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404 - Not found

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Project Overview

+

Background

+

Data about people’s health stored in electronic health records (EHRs) can play an important role in improving the quality of patient care. Much of the information in EHRs is recorded in ordinary language without any restriction on format ('free text'), as this is the natural way in which people communicate. However, if this information were stored in a standardised, structured format, computers will also be able to process the information to help clinicians find and interpret information for better and safer decision making. This would enable EHR systems such as Epic, the system in place at UCLH since April 2019, to support clinical decision making. For instance, the system may be able to ensure that a patient is not prescribed medicine that would give them an allergic reaction.

+

The challenge

+

Free text may contain words and abbreviations which may be interpreted in more than one way, such as 'HR', which can mean 'Hour' or 'Heart Rate'. Free text may also contain negations; for example, a diagnosis may be mentioned in the text but the rest of the sentence might say that it was ruled out. Although computers can be used to interpret free text, they cannot always get it right, so clinicians will always have to check the results to ensure patient safety. Expressing information in a structured way can avoid this problem, but has a big disadvantage - it can be time-consuming for clinicians to enter the information. This can mean that information is incomplete, or clinicians are so busy on the computer that they do not have time to listen to their patients.

+

Meeting the need

+

The aim of MiADE is to develop a system to support automatic conversion of the clinician’s free text into a structured format. The clinician can check the structured data immediately, before making it a formal part of the patient’s record. The system will record a patient’s diagnoses, medications and allergies in a structured way, using NHS-endorsed clinical data standards (e.g. FIHR and SNOMED CT). It will use a technique called Natural Language Processing (NLP). NLP has been used by research teams to extract information from existing EHRs but has rarely been used to improve the way information is entered in the first place. Our NLP system will continuously learn and improve as more text is analysed and checked by clinicians.

+

We will first test the system in University College London Hospitals, where a new EHR system called Epic is in place. We will study how effective it is, and how clinicians and patients find it when it is used in consultations. Based on feedback, we will make improvements and install it for testing at a second site (Great Ormond Street Hospital). Our aim is for the system to be eventually rolled out to more hospitals and doctors’ surgeries across the NHS.

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+ + + + + + + + + + \ No newline at end of file diff --git a/api-reference/annotator/index.html b/api-reference/annotator/index.html new file mode 100644 index 0000000..bf02641 --- /dev/null +++ b/api-reference/annotator/index.html @@ -0,0 +1,2777 @@ + + + + + + + + + + + + + + + + + + + + + + + + + Annotator - MiADE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Annotator

+ +
+ + + + +
+

+ Bases: ABC

+ + +

An abstract base class for annotators.

+

Annotators are responsible for processing medical notes and extracting relevant concepts from them.

+ + +

Attributes:

+ + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
cat + CAT + +
+

The MedCAT instance used for concept extraction.

+
+
config + AnnotatorConfig + +
+

The configuration for the annotator.

+
+
+ +
+ Source code in miade/annotators.py + 
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class Annotator(ABC):
+    """
+    An abstract base class for annotators.
+
+    Annotators are responsible for processing medical notes and extracting relevant concepts from them.
+
+    Attributes:
+        cat (CAT): The MedCAT instance used for concept extraction.
+        config (AnnotatorConfig): The configuration for the annotator.
+    """
+
+    def __init__(self, cat: CAT, config: AnnotatorConfig = None):
+        self.cat = cat
+        self.config = config if config is not None else AnnotatorConfig()
+
+        if self.config.negation_detection == "negex":
+            self._add_negex_pipeline()
+
+        # TODO make paragraph processing params configurable
+        self.structured_prob_lists = {
+            ParagraphType.prob: Relevance.PRESENT,
+            ParagraphType.imp: Relevance.PRESENT,
+            ParagraphType.pmh: Relevance.HISTORIC,
+        }
+        self.structured_med_lists = {
+            ParagraphType.med: SubstanceCategory.TAKING,
+            ParagraphType.allergy: SubstanceCategory.ADVERSE_REACTION,
+        }
+        self.irrelevant_paragraphs = [ParagraphType.ddx, ParagraphType.exam, ParagraphType.plan]
+
+    def _add_negex_pipeline(self) -> None:
+        """
+        Adds the negex pipeline to the MedCAT instance.
+        """
+        self.cat.pipe.spacy_nlp.add_pipe("sentencizer")
+        self.cat.pipe.spacy_nlp.enable_pipe("sentencizer")
+        self.cat.pipe.spacy_nlp.add_pipe("negex")
+
+    @property
+    @abstractmethod
+    def concept_types(self):
+        """
+        Abstract property that should return a list of concept types supported by the annotator.
+        """
+        pass
+
+    @property
+    @abstractmethod
+    def pipeline(self):
+        """
+        Abstract property that should return a list of pipeline steps for the annotator.
+        """
+        pass
+
+    @abstractmethod
+    def postprocess(self):
+        """
+        Abstract method that should implement the logic for post-processing extracted concepts.
+        """
+        pass
+
+    def run_pipeline(
+        self, note: Note, record_concepts: List[Concept], dosage_extractor: Optional[DosageExtractor] = None
+    ) -> List[Concept]:
+        """
+        Runs the annotation pipeline on a given note and returns the extracted concepts.
+
+        Args:
+            note (Note): The input note to process.
+            record_concepts (List[Concept]): The list of concepts from existing EHR records.
+            dosage_extractor (Optional[DosageExtractor]): An optional dosage extractor to add dosages to concepts.
+
+        Returns:
+            List[Concept]: The extracted concepts from the note.
+        """
+        # TODO: make this more extensible
+        concepts: List[Concept] = []
+
+        for pipe in self.pipeline:
+            if pipe not in self.config.disable:
+                if pipe == "preprocessor":
+                    note = self.preprocess(note)
+                elif pipe == "medcat":
+                    concepts = self.get_concepts(note)
+                elif pipe == "paragrapher":
+                    concepts = self.process_paragraphs(note, concepts)
+                elif pipe == "postprocessor":
+                    concepts = self.postprocess(concepts)
+                elif pipe == "deduplicator":
+                    concepts = self.deduplicate(concepts, record_concepts)
+                elif pipe == "dosage_extractor" and dosage_extractor is not None:
+                    concepts = self.add_dosages_to_concepts(dosage_extractor, concepts, note)
+
+        return concepts
+
+    def get_concepts(self, note: Note) -> List[Concept]:
+        """
+        Extracts concepts from a note using the MedCAT instance.
+
+        Args:
+            note (Note): The input note to extract concepts from.
+
+        Returns:
+            The extracted concepts from the note.
+        """
+        concepts: List[Concept] = []
+        for entity in self.cat.get_entities(note)["entities"].values():
+            try:
+                concepts.append(Concept.from_entity(entity))
+                log.debug(f"Detected concept ({concepts[-1].id} | {concepts[-1].name})")
+            except ValueError as e:
+                log.warning(f"Concept skipped: {e}")
+
+        return concepts
+
+    @staticmethod
+    def preprocess(note: Note) -> Note:
+        """
+        Preprocesses a note by cleaning its text and splitting it into paragraphs.
+
+        Args:
+            note (Note): The input note to preprocess.
+
+        Returns:
+            The preprocessed note.
+        """
+        note.clean_text()
+        note.get_paragraphs()
+
+        return note
+
+    @staticmethod
+    def deduplicate(concepts: List[Concept], record_concepts: Optional[List[Concept]]) -> List[Concept]:
+        """
+        Removes duplicate concepts from the extracted concepts list by strict ID matching.
+
+        Args:
+            concepts (List[Concept]): The list of extracted concepts.
+            record_concepts (Optional[List[Concept]]): The list of concepts from existing EHR records.
+
+        Returns:
+            The deduplicated list of concepts.
+        """
+        if record_concepts is not None:
+            record_ids = {record_concept.id for record_concept in record_concepts}
+            record_names = {record_concept.name for record_concept in record_concepts}
+        else:
+            record_ids = set()
+            record_names = set()
+
+        # Use an OrderedDict to keep track of ids as it preservers original MedCAT order (the order it appears in text)
+        filtered_concepts: List[Concept] = []
+        existing_concepts = OrderedDict()
+
+        # Filter concepts that are in record or exist in concept list
+        for concept in concepts:
+            if concept.id is not None and (concept.id in record_ids or concept.id in existing_concepts):
+                log.debug(f"Removed concept ({concept.id} | {concept.name}): concept id exists in record")
+            # check name match for null ids - VTM deduplication
+            elif concept.id is None and (concept.name in record_names or concept.name in existing_concepts.values()):
+                log.debug(f"Removed concept ({concept.id} | {concept.name}): concept name exists in record")
+            else:
+                filtered_concepts.append(concept)
+                existing_concepts[concept.id] = concept.name
+
+        return filtered_concepts
+
+    @staticmethod
+    def add_dosages_to_concepts(
+        dosage_extractor: DosageExtractor, concepts: List[Concept], note: Note
+    ) -> List[Concept]:
+        """
+        Gets dosages for medication concepts
+
+        Args:
+            dosage_extractor (DosageExtractor): The dosage extractor object
+            concepts (List[Concept]): List of concepts extracted
+            note (Note): The input note
+
+        Returns:
+            List of concepts with dosages for medication concepts
+        """
+
+        for ind, concept in enumerate(concepts):
+            next_med_concept = concepts[ind + 1] if len(concepts) > ind + 1 else None
+            dosage_string = get_dosage_string(concept, next_med_concept, note.text)
+            if len(dosage_string.split()) > 2:
+                concept.dosage = dosage_extractor(dosage_string)
+                concept.category = Category.MEDICATION if concept.dosage is not None else None
+                if concept.dosage is not None:
+                    log.debug(
+                        f"Extracted dosage for medication concept "
+                        f"({concept.id} | {concept.name}): {concept.dosage.text} {concept.dosage.dose}"
+                    )
+
+        return concepts
+
+    @staticmethod
+    def add_numbering_to_name(concepts: List[Concept]) -> List[Concept]:
+        """
+        Adds numbering to the names of problem concepts to control output ordering.
+
+        Args:
+            concepts (List[Concept]): The list of concepts to add numbering to.
+
+        Returns:
+            The list of concepts with numbering added to their names.
+        """
+        # Prepend numbering to problem concepts e.g. 00 asthma, 01 stroke...
+        for i, concept in enumerate(concepts):
+            concept.name = f"{i:02} {concept.name}"
+
+        return concepts
+
+    def __call__(
+        self,
+        note: Note,
+        record_concepts: Optional[List[Concept]] = None,
+        dosage_extractor: Optional[DosageExtractor] = None,
+    ) -> List[Concept]:
+        """
+        Runs the annotation pipeline on a given note and returns the extracted concepts.
+
+        Args:
+            note (Note): The input note to process.
+            record_concepts (Optional[List[Concept]]): The list of concepts from existing EHR records.
+            dosage_extractor (Optional[DosageExtractor]): The dosage extractor to use for extracting dosage information.
+
+        Returns:
+            List[Concept]: The extracted concepts from the note.
+        """
+        if dosage_extractor is not None:
+            concepts = self.run_pipeline(note, record_concepts, dosage_extractor)
+        else:
+            concepts = self.run_pipeline(note, record_concepts)
+
+        if self.config.add_numbering:
+            concepts = self.add_numbering_to_name(concepts)
+
+        return concepts
+
+
+ + + +
+ + + + + + + +
+ + + +

+ concept_types + + + abstractmethod + property + + +

+ + +
+ +

Abstract property that should return a list of concept types supported by the annotator.

+
+ +
+ +
+ + + +

+ pipeline + + + abstractmethod + property + + +

+ + +
+ +

Abstract property that should return a list of pipeline steps for the annotator.

+
+ +
+ + + +
+ + +

+ __call__(note, record_concepts=None, dosage_extractor=None) + +

+ + +
+ +

Runs the annotation pipeline on a given note and returns the extracted concepts.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
note + Note + +
+

The input note to process.

+
+ 		+ required +
record_concepts + Optional[List[Concept]] + +
+

The list of concepts from existing EHR records.

+
+ 		+ None +
dosage_extractor + Optional[DosageExtractor] + +
+

The dosage extractor to use for extracting dosage information.

+
+ 		+ None +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

List[Concept]: The extracted concepts from the note.

+
+
+ +
+ Source code in miade/annotators.py + 
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def __call__(
+    self,
+    note: Note,
+    record_concepts: Optional[List[Concept]] = None,
+    dosage_extractor: Optional[DosageExtractor] = None,
+) -> List[Concept]:
+    """
+    Runs the annotation pipeline on a given note and returns the extracted concepts.
+
+    Args:
+        note (Note): The input note to process.
+        record_concepts (Optional[List[Concept]]): The list of concepts from existing EHR records.
+        dosage_extractor (Optional[DosageExtractor]): The dosage extractor to use for extracting dosage information.
+
+    Returns:
+        List[Concept]: The extracted concepts from the note.
+    """
+    if dosage_extractor is not None:
+        concepts = self.run_pipeline(note, record_concepts, dosage_extractor)
+    else:
+        concepts = self.run_pipeline(note, record_concepts)
+
+    if self.config.add_numbering:
+        concepts = self.add_numbering_to_name(concepts)
+
+    return concepts
+
+
+
+ +
+ +
+ + +

+ add_dosages_to_concepts(dosage_extractor, concepts, note) + + + staticmethod + + +

+ + +
+ +

Gets dosages for medication concepts

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
dosage_extractor + DosageExtractor + +
+

The dosage extractor object

+
+ 		+ required +
concepts + List[Concept] + +
+

List of concepts extracted

+
+ 		+ required +
note + Note + +
+

The input note

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

List of concepts with dosages for medication concepts

+
+
+ +
+ Source code in miade/annotators.py + 
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@staticmethod
+def add_dosages_to_concepts(
+    dosage_extractor: DosageExtractor, concepts: List[Concept], note: Note
+) -> List[Concept]:
+    """
+    Gets dosages for medication concepts
+
+    Args:
+        dosage_extractor (DosageExtractor): The dosage extractor object
+        concepts (List[Concept]): List of concepts extracted
+        note (Note): The input note
+
+    Returns:
+        List of concepts with dosages for medication concepts
+    """
+
+    for ind, concept in enumerate(concepts):
+        next_med_concept = concepts[ind + 1] if len(concepts) > ind + 1 else None
+        dosage_string = get_dosage_string(concept, next_med_concept, note.text)
+        if len(dosage_string.split()) > 2:
+            concept.dosage = dosage_extractor(dosage_string)
+            concept.category = Category.MEDICATION if concept.dosage is not None else None
+            if concept.dosage is not None:
+                log.debug(
+                    f"Extracted dosage for medication concept "
+                    f"({concept.id} | {concept.name}): {concept.dosage.text} {concept.dosage.dose}"
+                )
+
+    return concepts
+
+
+
+ +
+ +
+ + +

+ add_numbering_to_name(concepts) + + + staticmethod + + +

+ + +
+ +

Adds numbering to the names of problem concepts to control output ordering.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
concepts + List[Concept] + +
+

The list of concepts to add numbering to.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

The list of concepts with numbering added to their names.

+
+
+ +
+ Source code in miade/annotators.py + 
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@staticmethod
+def add_numbering_to_name(concepts: List[Concept]) -> List[Concept]:
+    """
+    Adds numbering to the names of problem concepts to control output ordering.
+
+    Args:
+        concepts (List[Concept]): The list of concepts to add numbering to.
+
+    Returns:
+        The list of concepts with numbering added to their names.
+    """
+    # Prepend numbering to problem concepts e.g. 00 asthma, 01 stroke...
+    for i, concept in enumerate(concepts):
+        concept.name = f"{i:02} {concept.name}"
+
+    return concepts
+
+
+
+ +
+ +
+ + +

+ deduplicate(concepts, record_concepts) + + + staticmethod + + +

+ + +
+ +

Removes duplicate concepts from the extracted concepts list by strict ID matching.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
concepts + List[Concept] + +
+

The list of extracted concepts.

+
+ 		+ required +
record_concepts + Optional[List[Concept]] + +
+

The list of concepts from existing EHR records.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

The deduplicated list of concepts.

+
+
+ +
+ Source code in miade/annotators.py + 
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@staticmethod
+def deduplicate(concepts: List[Concept], record_concepts: Optional[List[Concept]]) -> List[Concept]:
+    """
+    Removes duplicate concepts from the extracted concepts list by strict ID matching.
+
+    Args:
+        concepts (List[Concept]): The list of extracted concepts.
+        record_concepts (Optional[List[Concept]]): The list of concepts from existing EHR records.
+
+    Returns:
+        The deduplicated list of concepts.
+    """
+    if record_concepts is not None:
+        record_ids = {record_concept.id for record_concept in record_concepts}
+        record_names = {record_concept.name for record_concept in record_concepts}
+    else:
+        record_ids = set()
+        record_names = set()
+
+    # Use an OrderedDict to keep track of ids as it preservers original MedCAT order (the order it appears in text)
+    filtered_concepts: List[Concept] = []
+    existing_concepts = OrderedDict()
+
+    # Filter concepts that are in record or exist in concept list
+    for concept in concepts:
+        if concept.id is not None and (concept.id in record_ids or concept.id in existing_concepts):
+            log.debug(f"Removed concept ({concept.id} | {concept.name}): concept id exists in record")
+        # check name match for null ids - VTM deduplication
+        elif concept.id is None and (concept.name in record_names or concept.name in existing_concepts.values()):
+            log.debug(f"Removed concept ({concept.id} | {concept.name}): concept name exists in record")
+        else:
+            filtered_concepts.append(concept)
+            existing_concepts[concept.id] = concept.name
+
+    return filtered_concepts
+
+
+
+ +
+ +
+ + +

+ get_concepts(note) + +

+ + +
+ +

Extracts concepts from a note using the MedCAT instance.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
note + Note + +
+

The input note to extract concepts from.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

The extracted concepts from the note.

+
+
+ +
+ Source code in miade/annotators.py + 
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def get_concepts(self, note: Note) -> List[Concept]:
+    """
+    Extracts concepts from a note using the MedCAT instance.
+
+    Args:
+        note (Note): The input note to extract concepts from.
+
+    Returns:
+        The extracted concepts from the note.
+    """
+    concepts: List[Concept] = []
+    for entity in self.cat.get_entities(note)["entities"].values():
+        try:
+            concepts.append(Concept.from_entity(entity))
+            log.debug(f"Detected concept ({concepts[-1].id} | {concepts[-1].name})")
+        except ValueError as e:
+            log.warning(f"Concept skipped: {e}")
+
+    return concepts
+
+
+
+ +
+ +
+ + +

+ postprocess() + + + abstractmethod + + +

+ + +
+ +

Abstract method that should implement the logic for post-processing extracted concepts.

+ +
+ Source code in miade/annotators.py + 
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@abstractmethod
+def postprocess(self):
+    """
+    Abstract method that should implement the logic for post-processing extracted concepts.
+    """
+    pass
+
+
+
+ +
+ +
+ + +

+ preprocess(note) + + + staticmethod + + +

+ + +
+ +

Preprocesses a note by cleaning its text and splitting it into paragraphs.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
note + Note + +
+

The input note to preprocess.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ Note + +
+

The preprocessed note.

+
+
+ +
+ Source code in miade/annotators.py + 
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@staticmethod
+def preprocess(note: Note) -> Note:
+    """
+    Preprocesses a note by cleaning its text and splitting it into paragraphs.
+
+    Args:
+        note (Note): The input note to preprocess.
+
+    Returns:
+        The preprocessed note.
+    """
+    note.clean_text()
+    note.get_paragraphs()
+
+    return note
+
+
+
+ +
+ +
+ + +

+ run_pipeline(note, record_concepts, dosage_extractor=None) + +

+ + +
+ +

Runs the annotation pipeline on a given note and returns the extracted concepts.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
note + Note + +
+

The input note to process.

+
+ 		+ required +
record_concepts + List[Concept] + +
+

The list of concepts from existing EHR records.

+
+ 		+ required +
dosage_extractor + Optional[DosageExtractor] + +
+

An optional dosage extractor to add dosages to concepts.

+
+ 		+ None +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

List[Concept]: The extracted concepts from the note.

+
+
+ +
+ Source code in miade/annotators.py + 
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def run_pipeline(
+    self, note: Note, record_concepts: List[Concept], dosage_extractor: Optional[DosageExtractor] = None
+) -> List[Concept]:
+    """
+    Runs the annotation pipeline on a given note and returns the extracted concepts.
+
+    Args:
+        note (Note): The input note to process.
+        record_concepts (List[Concept]): The list of concepts from existing EHR records.
+        dosage_extractor (Optional[DosageExtractor]): An optional dosage extractor to add dosages to concepts.
+
+    Returns:
+        List[Concept]: The extracted concepts from the note.
+    """
+    # TODO: make this more extensible
+    concepts: List[Concept] = []
+
+    for pipe in self.pipeline:
+        if pipe not in self.config.disable:
+            if pipe == "preprocessor":
+                note = self.preprocess(note)
+            elif pipe == "medcat":
+                concepts = self.get_concepts(note)
+            elif pipe == "paragrapher":
+                concepts = self.process_paragraphs(note, concepts)
+            elif pipe == "postprocessor":
+                concepts = self.postprocess(concepts)
+            elif pipe == "deduplicator":
+                concepts = self.deduplicate(concepts, record_concepts)
+            elif pipe == "dosage_extractor" and dosage_extractor is not None:
+                concepts = self.add_dosages_to_concepts(dosage_extractor, concepts, note)
+
+    return concepts
+
+
+
+ +
+ + + +
+ +
+ +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/api-reference/concept/index.html b/api-reference/concept/index.html new file mode 100644 index 0000000..d6d0d9c --- /dev/null +++ b/api-reference/concept/index.html @@ -0,0 +1,1628 @@ + + + + + + + + + + + + + + + + + + + + + + + + + Concept - MiADE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + + + + + + +
+ +
+ + + + +
+
+ + + +
+
+
+ + + + + + + + + +
+
+
+ + + + +
+
+ + + + + + + +

Concept

+ +
+ + + + +
+

+ Bases: object

+ + +

Represents a concept in the system.

+ + +

Attributes:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
id + str + +
+

The unique identifier of the concept.

+
+
name + str + +
+

The name of the concept.

+
+
category + Optional[Enum] + +
+

The category of the concept (optional).

+
+
start + Optional[int] + +
+

The start position of the concept (optional).

+
+
end + Optional[int] + +
+

The end position of the concept (optional).

+
+
dosage + Optional[Dosage] + +
+

The dosage of the concept (optional).

+
+
linked_concepts + Optional[List[Concept]] + +
+

The linked concepts of the concept (optional).

+
+
negex + Optional[bool] + +
+

The negex value of the concept (optional).

+
+
meta_anns + Optional[List[MetaAnnotations]] + +
+

The meta annotations of the concept (optional).

+
+
debug_dict + Optional[Dict] + +
+

The debug dictionary of the concept (optional).

+
+
+ +
+ Source code in miade/concept.py + 
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class Concept(object):
+    """Represents a concept in the system.
+
+    Attributes:
+        id (str): The unique identifier of the concept.
+        name (str): The name of the concept.
+        category (Optional[Enum]): The category of the concept (optional).
+        start (Optional[int]): The start position of the concept (optional).
+        end (Optional[int]): The end position of the concept (optional).
+        dosage (Optional[Dosage]): The dosage of the concept (optional).
+        linked_concepts (Optional[List[Concept]]): The linked concepts of the concept (optional).
+        negex (Optional[bool]): The negex value of the concept (optional).
+        meta_anns (Optional[List[MetaAnnotations]]): The meta annotations of the concept (optional).
+        debug_dict (Optional[Dict]): The debug dictionary of the concept (optional).
+    """
+
+    def __init__(
+        self,
+        id: str,
+        name: str,
+        category: Optional[Enum] = None,
+        start: Optional[int] = None,
+        end: Optional[int] = None,
+        dosage: Optional[Dosage] = None,
+        linked_concepts: Optional[List[Concept]] = None,
+        negex: Optional[bool] = None,
+        meta_anns: Optional[List[MetaAnnotations]] = None,
+        debug_dict: Optional[Dict] = None,
+    ):
+        self.name = name
+        self.id = id
+        self.category = category
+        self.start = start
+        self.end = end
+        self.dosage = dosage
+        self.linked_concepts = linked_concepts
+        self.negex = negex
+        self.meta = meta_anns
+        self.debug = debug_dict
+
+        if linked_concepts is None:
+            self.linked_concepts = []
+
+    @classmethod
+    def from_entity(cls, entity: Dict) -> Concept:
+        """
+        Converts an entity dictionary into a Concept object.
+
+        Args:
+            entity (Dict): The entity dictionary containing the necessary information.
+
+        Returns:
+            The Concept object created from the entity dictionary.
+        """
+        meta_anns = None
+        if entity["meta_anns"]:
+            meta_anns = [MetaAnnotations(**value) for value in entity["meta_anns"].values()]
+
+        return Concept(
+            id=entity["cui"],
+            name=entity[
+                "source_value"
+            ],  # can also use detected_name which is spell checked but delimited by ~ e.g. liver~failure
+            category=None,
+            start=entity["start"],
+            end=entity["end"],
+            negex=entity["negex"] if "negex" in entity else None,
+            meta_anns=meta_anns,
+        )
+
+    def __str__(self):
+        return (
+            f"{{name: {self.name}, id: {self.id}, category: {self.category}, start: {self.start}, end: {self.end},"
+            f" dosage: {self.dosage}, linked_concepts: {self.linked_concepts}, negex: {self.negex}, meta: {self.meta}}} "
+        )
+
+    def __hash__(self):
+        return hash((self.id, self.name, self.category))
+
+    def __eq__(self, other):
+        return self.id == other.id and self.name == other.name and self.category == other.category
+
+    def __lt__(self, other):
+        return int(self.id) < int(other.id)
+
+    def __gt__(self, other):
+        return int(self.id) > int(other.id)
+
+
+ + + +
+ + + + + + + + + +
+ + +

+ from_entity(entity) + + + classmethod + + +

+ + +
+ +

Converts an entity dictionary into a Concept object.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
entity + Dict + +
+

The entity dictionary containing the necessary information.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ Concept + +
+

The Concept object created from the entity dictionary.

+
+
+ +
+ Source code in miade/concept.py + 
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@classmethod
+def from_entity(cls, entity: Dict) -> Concept:
+    """
+    Converts an entity dictionary into a Concept object.
+
+    Args:
+        entity (Dict): The entity dictionary containing the necessary information.
+
+    Returns:
+        The Concept object created from the entity dictionary.
+    """
+    meta_anns = None
+    if entity["meta_anns"]:
+        meta_anns = [MetaAnnotations(**value) for value in entity["meta_anns"].values()]
+
+    return Concept(
+        id=entity["cui"],
+        name=entity[
+            "source_value"
+        ],  # can also use detected_name which is spell checked but delimited by ~ e.g. liver~failure
+        category=None,
+        start=entity["start"],
+        end=entity["end"],
+        negex=entity["negex"] if "negex" in entity else None,
+        meta_anns=meta_anns,
+    )
+
+
+
+ +
+ + + +
+ +
+ +

Category

+ + +
+ + + + +
+

+ Bases: Enum

+ + +
+ Source code in miade/concept.py + 
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+10
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+14
+15
class Category(Enum):
+    PROBLEM = 1
+    MEDICATION = 2
+    ALLERGY = 3
+    REACTION = 4
+    SEVERITY = 5
+    ALLERGY_TYPE = 6
+
+
+ + + +
+ + + + + + + + + + + +
+ +
+ +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/api-reference/dosage/index.html b/api-reference/dosage/index.html new file mode 100644 index 0000000..363370f --- /dev/null +++ b/api-reference/dosage/index.html @@ -0,0 +1,1602 @@ + + + + + + + + + + + + + + + + + + + + + + + + + Dosage - MiADE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + + + + + + +
+ +
+ + + + +
+
+ + + +
+
+
+ + + + + + + + + +
+
+
+ + + + +
+
+ + + + + + + +

Dosage

+ +
+ + + + +
+

+ Bases: object

+ + +

Container for drug dosage information

+ +
+ Source code in miade/dosage.py + 
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class Dosage(object):
+    """
+    Container for drug dosage information
+    """
+
+    def __init__(
+        self,
+        dose: Optional[Dose],
+        duration: Optional[Duration],
+        frequency: Optional[Frequency],
+        route: Optional[Route],
+        text: Optional[str] = None,
+    ):
+        self.text = text
+        self.dose = dose
+        self.duration = duration
+        self.frequency = frequency
+        self.route = route
+
+    @classmethod
+    def from_doc(cls, doc: Doc, calculate: bool = True):
+        """
+        Parses dosage from a spacy doc object.
+
+        Args:
+            doc (Doc): Spacy doc object with processed dosage text.
+            calculate (bool, optional): Whether to calculate duration if total and daily dose is given. Defaults to True.
+
+        Returns:
+            An instance of the class with the parsed dosage information.
+
+        """
+        quantities = []
+        units = []
+        dose_start = 1000
+        dose_end = 0
+        daily_dose = None
+        total_dose = None
+        route_text = None
+        duration_text = None
+
+        for ent in doc.ents:
+            if ent.label_ == "DOSAGE":
+                if ent._.total_dose:
+                    total_dose = float(ent.text)
+                else:
+                    quantities.append(ent.text)
+                    # get span of full dosage string - not strictly needed but nice to have
+                    if ent.start < dose_start:
+                        dose_start = ent.start
+                    if ent.end > dose_end:
+                        dose_end = ent.end
+            elif ent.label_ == "FORM":
+                if ent._.total_dose:
+                    # de facto unit is in total dose
+                    units = [ent.text]
+                else:
+                    units.append(ent.text)
+                    if ent.start < dose_start:
+                        dose_start = ent.start
+                    if ent.end > dose_end:
+                        dose_end = ent.end
+            elif ent.label_ == "DURATION":
+                duration_text = ent.text
+            elif ent.label_ == "ROUTE":
+                route_text = ent.text
+
+        dose = parse_dose(
+            text=" ".join(doc.text.split()[dose_start:dose_end]),
+            quantities=quantities,
+            units=units,
+            results=doc._.results,
+        )
+
+        frequency = parse_frequency(text=doc.text, results=doc._.results)
+
+        route = parse_route(text=route_text, dose=dose)
+
+        # technically not information recorded so will keep as an option
+        if calculate:
+            # if duration not given in text could extract this from total dose if given
+            if total_dose is not None and dose is not None and doc._.results["freq"]:
+                if dose.value is not None:
+                    daily_dose = float(dose.value) * (round(doc._.results["freq"] / doc._.results["time"]))
+                elif dose.high is not None:
+                    daily_dose = float(dose.high) * (round(doc._.results["freq"] / doc._.results["time"]))
+
+        duration = parse_duration(
+            text=duration_text,
+            results=doc._.results,
+            total_dose=total_dose,
+            daily_dose=daily_dose,
+        )
+
+        return cls(
+            text=doc._.original_text,
+            dose=dose,
+            duration=duration,
+            frequency=frequency,
+            route=route,
+        )
+
+    def __str__(self):
+        return f"{self.__dict__}"
+
+    def __eq__(self, other):
+        return self.__dict__ == other.__dict__
+
+
+ + + +
+ + + + + + + + + +
+ + +

+ from_doc(doc, calculate=True) + + + classmethod + + +

+ + +
+ +

Parses dosage from a spacy doc object.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
doc + Doc + +
+

Spacy doc object with processed dosage text.

+
+ 		+ required +
calculate + bool + +
+

Whether to calculate duration if total and daily dose is given. Defaults to True.

+
+ 		+ True +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ +
+

An instance of the class with the parsed dosage information.

+
+
+ +
+ Source code in miade/dosage.py + 
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@classmethod
+def from_doc(cls, doc: Doc, calculate: bool = True):
+    """
+    Parses dosage from a spacy doc object.
+
+    Args:
+        doc (Doc): Spacy doc object with processed dosage text.
+        calculate (bool, optional): Whether to calculate duration if total and daily dose is given. Defaults to True.
+
+    Returns:
+        An instance of the class with the parsed dosage information.
+
+    """
+    quantities = []
+    units = []
+    dose_start = 1000
+    dose_end = 0
+    daily_dose = None
+    total_dose = None
+    route_text = None
+    duration_text = None
+
+    for ent in doc.ents:
+        if ent.label_ == "DOSAGE":
+            if ent._.total_dose:
+                total_dose = float(ent.text)
+            else:
+                quantities.append(ent.text)
+                # get span of full dosage string - not strictly needed but nice to have
+                if ent.start < dose_start:
+                    dose_start = ent.start
+                if ent.end > dose_end:
+                    dose_end = ent.end
+        elif ent.label_ == "FORM":
+            if ent._.total_dose:
+                # de facto unit is in total dose
+                units = [ent.text]
+            else:
+                units.append(ent.text)
+                if ent.start < dose_start:
+                    dose_start = ent.start
+                if ent.end > dose_end:
+                    dose_end = ent.end
+        elif ent.label_ == "DURATION":
+            duration_text = ent.text
+        elif ent.label_ == "ROUTE":
+            route_text = ent.text
+
+    dose = parse_dose(
+        text=" ".join(doc.text.split()[dose_start:dose_end]),
+        quantities=quantities,
+        units=units,
+        results=doc._.results,
+    )
+
+    frequency = parse_frequency(text=doc.text, results=doc._.results)
+
+    route = parse_route(text=route_text, dose=dose)
+
+    # technically not information recorded so will keep as an option
+    if calculate:
+        # if duration not given in text could extract this from total dose if given
+        if total_dose is not None and dose is not None and doc._.results["freq"]:
+            if dose.value is not None:
+                daily_dose = float(dose.value) * (round(doc._.results["freq"] / doc._.results["time"]))
+            elif dose.high is not None:
+                daily_dose = float(dose.high) * (round(doc._.results["freq"] / doc._.results["time"]))
+
+    duration = parse_duration(
+        text=duration_text,
+        results=doc._.results,
+        total_dose=total_dose,
+        daily_dose=daily_dose,
+    )
+
+    return cls(
+        text=doc._.original_text,
+        dose=dose,
+        duration=duration,
+        frequency=frequency,
+        route=route,
+    )
+
+
+
+ +
+ + + +
+ +
+ +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/api-reference/dosageextractor/index.html b/api-reference/dosageextractor/index.html new file mode 100644 index 0000000..8e4511b --- /dev/null +++ b/api-reference/dosageextractor/index.html @@ -0,0 +1,1409 @@ + + + + + + + + + + + + + + + + + + + + + + + + + DosageExtractor - MiADE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + + + + + + +
+ +
+ + + + +
+
+ + + +
+
+
+ + + + + + + + + +
+
+
+ + + + +
+
+ + + + + + + +

DosageExtractor

+ +
+ + + + +
+ + +

Parses and extracts drug dosage

+ + +

Attributes:

+ + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
model + str + +
+

The name of the model to be used for dosage extraction.

+
+
dosage_extractor + Language + +
+

The Spacy pipeline for dosage extraction.

+
+
+ +
+ Source code in miade/dosageextractor.py + 
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class DosageExtractor:
+    """
+    Parses and extracts drug dosage
+
+    Attributes:
+        model (str): The name of the model to be used for dosage extraction.
+        dosage_extractor (Language): The Spacy pipeline for dosage extraction.
+    """
+
+    def __init__(self, model: str = "en_core_med7_lg"):
+        self.model = model
+        self.dosage_extractor = self._create_drugdoseade_pipeline()
+
+    def _create_drugdoseade_pipeline(self) -> Language:
+        """
+        Creates a spacy pipeline with given model (default med7)
+        and customised pipeline components for dosage extraction
+
+        Returns:
+            nlp (spacy.Language): The Spacy pipeline for dosage extraction.
+        """
+        nlp = spacy.load(self.model)
+        nlp.add_pipe("preprocessor", first=True)
+        nlp.add_pipe("pattern_matcher", before="ner")
+        nlp.add_pipe("entities_refiner", after="ner")
+
+        log.info(f"Loaded drug dosage extractor with model {self.model}")
+
+        return nlp
+
+    def extract(self, text: str, calculate: bool = True) -> Optional[Dosage]:
+        """
+        Processes a string that contains dosage instructions (excluding drug concept as this is handled by core)
+
+        Args:
+            text (str): The string containing dosage instructions.
+            calculate (bool): Whether to calculate duration from total and daily dose, if given.
+
+        Returns:
+            The dosage object with parsed dosages in CDA format.
+        """
+        doc = self.dosage_extractor(text)
+
+        log.debug(f"NER results: {[(e.text, e.label_, e._.total_dose) for e in doc.ents]}")
+        log.debug(f"Lookup results: {doc._.results}")
+
+        dosage = Dosage.from_doc(doc=doc, calculate=calculate)
+
+        if all(v is None for v in [dosage.dose, dosage.frequency, dosage.route, dosage.duration]):
+            return None
+
+        return dosage
+
+    def __call__(self, text: str, calculate: bool = True):
+        return self.extract(text, calculate)
+
+
+ + + +
+ + + + + + + + + +
+ + +

+ extract(text, calculate=True) + +

+ + +
+ +

Processes a string that contains dosage instructions (excluding drug concept as this is handled by core)

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
text + str + +
+

The string containing dosage instructions.

+
+ 		+ required +
calculate + bool + +
+

Whether to calculate duration from total and daily dose, if given.

+
+ 		+ True +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ Optional[Dosage] + +
+

The dosage object with parsed dosages in CDA format.

+
+
+ +
+ Source code in miade/dosageextractor.py + 
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def extract(self, text: str, calculate: bool = True) -> Optional[Dosage]:
+    """
+    Processes a string that contains dosage instructions (excluding drug concept as this is handled by core)
+
+    Args:
+        text (str): The string containing dosage instructions.
+        calculate (bool): Whether to calculate duration from total and daily dose, if given.
+
+    Returns:
+        The dosage object with parsed dosages in CDA format.
+    """
+    doc = self.dosage_extractor(text)
+
+    log.debug(f"NER results: {[(e.text, e.label_, e._.total_dose) for e in doc.ents]}")
+    log.debug(f"Lookup results: {doc._.results}")
+
+    dosage = Dosage.from_doc(doc=doc, calculate=calculate)
+
+    if all(v is None for v in [dosage.dose, dosage.frequency, dosage.route, dosage.duration]):
+        return None
+
+    return dosage
+
+
+
+ +
+ + + +
+ +
+ +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/api-reference/medsallergiesannotator/index.html b/api-reference/medsallergiesannotator/index.html new file mode 100644 index 0000000..264b1e3 --- /dev/null +++ b/api-reference/medsallergiesannotator/index.html @@ -0,0 +1,3026 @@ + + + + + + + + + + + + + + + + + + + + + + + + + MedsAllergiesAnnotator - MiADE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + + + + + + +
+ +
+ + + + +
+
+ + + +
+
+
+ + + + + + + + + +
+
+
+ + + + +
+
+ + + + + + + +

MedsAllergiesAnnotator

+ +
+ + + + +
+

+ Bases: Annotator

+ + +

Annotator class for medication and allergy concepts.

+

This class extends the Annotator base class and provides methods for running a pipeline of +annotation tasks on a given note, as well as validating and converting concepts related to +medications and allergies.

+ + +

Attributes:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
valid_meds + List[int] + +
+

A list of valid medication IDs.

+
+
reactions_subset_lookup + Dict[int, str] + +
+

A dictionary mapping reaction IDs to their corresponding subset IDs.

+
+
allergens_subset_lookup + Dict[int, str] + +
+

A dictionary mapping allergen IDs to their corresponding subset IDs.

+
+
allergy_type_lookup + Dict[str, List[str]] + +
+

A dictionary mapping allergen types to their corresponding codes.

+
+
vtm_to_vmp_lookup + Dict[str, str] + +
+

A dictionary mapping VTM (Virtual Therapeutic Moiety) IDs to VMP (Virtual Medicinal Product) IDs.

+
+
vtm_to_text_lookup + Dict[str, str] + +
+

A dictionary mapping VTM IDs to their corresponding text.

+
+
+ +
+ Source code in miade/annotators.py + 
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class MedsAllergiesAnnotator(Annotator):
+    """
+    Annotator class for medication and allergy concepts.
+
+    This class extends the `Annotator` base class and provides methods for running a pipeline of
+    annotation tasks on a given note, as well as validating and converting concepts related to
+    medications and allergies.
+
+    Attributes:
+        valid_meds (List[int]): A list of valid medication IDs.
+        reactions_subset_lookup (Dict[int, str]): A dictionary mapping reaction IDs to their corresponding subset IDs.
+        allergens_subset_lookup (Dict[int, str]): A dictionary mapping allergen IDs to their corresponding subset IDs.
+        allergy_type_lookup (Dict[str, List[str]]): A dictionary mapping allergen types to their corresponding codes.
+        vtm_to_vmp_lookup (Dict[str, str]): A dictionary mapping VTM (Virtual Therapeutic Moiety) IDs to VMP (Virtual Medicinal Product) IDs.
+        vtm_to_text_lookup (Dict[str, str]): A dictionary mapping VTM IDs to their corresponding text.
+    """
+
+    def __init__(self, cat: CAT, config: AnnotatorConfig = None):
+        super().__init__(cat, config)
+        self._load_med_allergy_lookup_data()
+
+    @property
+    def concept_types(self) -> List[Category]:
+        """
+        Returns a list of concept types.
+
+        Returns:
+            [Category.MEDICATION, Category.ALLERGY, Category.REACTION]
+        """
+        return [Category.MEDICATION, Category.ALLERGY, Category.REACTION]
+
+    @property
+    def pipeline(self) -> List[str]:
+        """
+        Returns a list of annotators in the pipeline.
+
+        The annotators are executed in the order they appear in the list.
+
+        Returns:
+            ["preprocessor", "medcat", "paragrapher", "postprocessor", "dosage_extractor", "vtm_converter", "deduplicator"]
+        """
+        return [
+            "preprocessor",
+            "medcat",
+            "paragrapher",
+            "postprocessor",
+            "dosage_extractor",
+            "vtm_converter",
+            "deduplicator",
+        ]
+
+    def run_pipeline(
+        self, note: Note, record_concepts: List[Concept], dosage_extractor: Optional[DosageExtractor]
+    ) -> List[Concept]:
+        """
+        Runs the annotation pipeline on the given note.
+
+        Args:
+            note (Note): The input note to run the pipeline on.
+            record_concepts (List[Concept]): The list of previously recorded concepts.
+            dosage_extractor (Optional[DosageExtractor]): The dosage extractor function.
+
+        Returns:
+            The list of annotated concepts.
+        """
+        concepts: List[Concept] = []
+
+        for pipe in self.pipeline:
+            if pipe not in self.config.disable:
+                if pipe == "preprocessor":
+                    note = self.preprocess(note)
+                elif pipe == "medcat":
+                    concepts = self.get_concepts(note)
+                elif pipe == "paragrapher":
+                    concepts = self.process_paragraphs(note, concepts)
+                elif pipe == "postprocessor":
+                    concepts = self.postprocess(concepts, note)
+                elif pipe == "deduplicator":
+                    concepts = self.deduplicate(concepts, record_concepts)
+                elif pipe == "vtm_converter":
+                    concepts = self.convert_VTM_to_VMP_or_text(concepts)
+                elif pipe == "dosage_extractor" and dosage_extractor is not None:
+                    concepts = self.add_dosages_to_concepts(dosage_extractor, concepts, note)
+
+        return concepts
+
+    def _load_med_allergy_lookup_data(self) -> None:
+        """
+        Loads the medication and allergy lookup data.
+        """
+        if self.config.lookup_data_path is None:
+            data_path = "./data/"
+            is_package_data = True
+            log.info("Loading preconfigured lookup data for MedsAllergiesAnnotator")
+        else:
+            data_path = self.config.lookup_data_path
+            is_package_data = False
+            log.info(f"Loading lookup data from {data_path} for MedsAllergiesAnnotator")
+            if not os.path.isdir(data_path):
+                raise RuntimeError(f"No lookup data configured: {data_path} does not exist!")
+
+        self.valid_meds = load_lookup_data(
+            data_path + "valid_meds.csv", is_package_data=is_package_data, no_header=True
+        )
+        self.reactions_subset_lookup = load_lookup_data(
+            data_path + "reactions_subset.csv", is_package_data=is_package_data, as_dict=True
+        )
+        self.allergens_subset_lookup = load_lookup_data(
+            data_path + "allergens_subset.csv", is_package_data=is_package_data, as_dict=True
+        )
+        self.allergy_type_lookup = load_allergy_type_combinations(
+            data_path + "allergy_type.csv", is_package_data=is_package_data
+        )
+        self.vtm_to_vmp_lookup = load_lookup_data(data_path + "vtm_to_vmp.csv", is_package_data=is_package_data)
+        self.vtm_to_text_lookup = load_lookup_data(
+            data_path + "vtm_to_text.csv", is_package_data=is_package_data, as_dict=True
+        )
+
+    def _validate_meds(self, concept) -> bool:
+        """
+        Validates if the concept is a valid medication.
+
+        Args:
+            concept: The concept to validate.
+
+        Returns:
+            True if the concept is a valid medication, False otherwise.
+        """
+        # check if substance is valid med
+        if int(concept.id) in self.valid_meds.values:
+            return True
+        return False
+
+    def _validate_and_convert_substance(self, concept) -> bool:
+        """
+        Validates and converts a substance concept for allergy.
+
+        Args:
+            concept: The substance concept to be validated and converted.
+
+        Returns:
+            True if the substance is valid and converted successfully, False otherwise.
+        """
+        # check if substance is valid substance for allergy - if it is, convert it to Epic subset and return that concept
+        lookup_result = self.allergens_subset_lookup.get(int(concept.id))
+        if lookup_result is not None:
+            log.debug(
+                f"Converted concept ({concept.id} | {concept.name}) to "
+                f"({lookup_result['subsetId']} | {concept.name}): valid Epic allergen subset"
+            )
+            concept.id = str(lookup_result["subsetId"])
+
+            # then check the allergen type from lookup result - e.g. drug, food
+            try:
+                concept.category = AllergenType(str(lookup_result["allergenType"]).lower())
+                log.debug(
+                    f"Assigned substance concept ({concept.id} | {concept.name}) "
+                    f"to allergen type category {concept.category}"
+                )
+            except ValueError as e:
+                log.warning(f"Allergen type not found for {concept.__str__()}: {e}")
+
+            return True
+        else:
+            log.warning(f"No lookup subset found for substance ({concept.id} | {concept.name})")
+            return False
+
+    def _validate_and_convert_reaction(self, concept) -> bool:
+        """
+        Validates and converts a reaction concept to the Epic subset.
+
+        Args:
+            concept: The concept to be validated and converted.
+
+        Returns:
+            True if the concept is a valid reaction and successfully converted to the Epic subset,
+                  False otherwise.
+        """
+        # check if substance is valid reaction - if it is, convert it to Epic subset and return that concept
+        lookup_result = self.reactions_subset_lookup.get(int(concept.id), None)
+        if lookup_result is not None:
+            log.debug(
+                f"Converted concept ({concept.id} | {concept.name}) to "
+                f"({lookup_result} | {concept.name}): valid Epic reaction subset"
+            )
+            concept.id = str(lookup_result)
+            return True
+        else:
+            log.warning(f"Reaction not found in Epic subset conversion for concept {concept.__str__()}")
+            return False
+
+    def _validate_and_convert_concepts(self, concept: Concept) -> Concept:
+        """
+        Validates and converts the given concept based on its metadata annotations.
+
+        Args:
+            concept (Concept): The concept to be validated and converted.
+
+        Returns:
+            The validated and converted concept.
+
+        """
+        meta_ann_values = [meta_ann.value for meta_ann in concept.meta] if concept.meta is not None else []
+
+        # assign categories
+        if SubstanceCategory.ADVERSE_REACTION in meta_ann_values:
+            if self._validate_and_convert_substance(concept):
+                self._convert_allergy_type_to_code(concept)
+                self._convert_allergy_severity_to_code(concept)
+                concept.category = Category.ALLERGY
+            else:
+                log.warning(f"Double-checking if concept ({concept.id} | {concept.name}) is in reaction subset")
+                if self._validate_and_convert_reaction(concept) and (
+                    ReactionPos.BEFORE_SUBSTANCE in meta_ann_values or ReactionPos.AFTER_SUBSTANCE in meta_ann_values
+                ):
+                    concept.category = Category.REACTION
+                else:
+                    log.warning(
+                        f"Reaction concept ({concept.id} | {concept.name}) not in subset or reaction_pos is NOT_REACTION"
+                    )
+        if SubstanceCategory.TAKING in meta_ann_values:
+            if self._validate_meds(concept):
+                concept.category = Category.MEDICATION
+        if SubstanceCategory.NOT_SUBSTANCE in meta_ann_values and (
+            ReactionPos.BEFORE_SUBSTANCE in meta_ann_values or ReactionPos.AFTER_SUBSTANCE in meta_ann_values
+        ):
+            if self._validate_and_convert_reaction(concept):
+                concept.category = Category.REACTION
+
+        return concept
+
+    @staticmethod
+    def _link_reactions_to_allergens(concept_list: List[Concept], note: Note, link_distance: int = 5) -> List[Concept]:
+        """
+        Links reaction concepts to allergen concepts based on their proximity in the given concept list.
+
+        Args:
+            concept_list (List[Concept]): The list of concepts to search for reaction and allergen concepts.
+            note (Note): The note object containing the text.
+            link_distance (int, optional): The maximum distance between a reaction and an allergen to be considered linked.
+                Defaults to 5.
+
+        Returns:
+            The updated concept list with reaction concepts removed and linked to their corresponding allergen concepts.
+        """
+        allergy_concepts = [concept for concept in concept_list if concept.category == Category.ALLERGY]
+        reaction_concepts = [concept for concept in concept_list if concept.category == Category.REACTION]
+
+        for reaction_concept in reaction_concepts:
+            nearest_allergy_concept = None
+            min_distance = inf
+            meta_ann_values = (
+                [meta_ann.value for meta_ann in reaction_concept.meta] if reaction_concept.meta is not None else []
+            )
+
+            for allergy_concept in allergy_concepts:
+                # skip if allergy is after and meta is before_substance
+                if ReactionPos.BEFORE_SUBSTANCE in meta_ann_values and allergy_concept.start < reaction_concept.start:
+                    continue
+                # skip if allergy is before and meta is after_substance
+                elif ReactionPos.AFTER_SUBSTANCE in meta_ann_values and allergy_concept.start > reaction_concept.start:
+                    continue
+                else:
+                    distance = calculate_word_distance(
+                        reaction_concept.start, reaction_concept.end, allergy_concept.start, allergy_concept.end, note
+                    )
+                    log.debug(
+                        f"Calculated distance between reaction {reaction_concept.name} "
+                        f"and allergen {allergy_concept.name}: {distance}"
+                    )
+                    if distance == -1:
+                        log.warning(
+                            f"Indices for {reaction_concept.name} or {allergy_concept.name} invalid: "
+                            f"({reaction_concept.start}, {reaction_concept.end})"
+                            f"({allergy_concept.start}, {allergy_concept.end})"
+                        )
+                        continue
+
+                    if distance <= link_distance and distance < min_distance:
+                        min_distance = distance
+                        nearest_allergy_concept = allergy_concept
+
+            if nearest_allergy_concept is not None:
+                nearest_allergy_concept.linked_concepts.append(reaction_concept)
+                log.debug(
+                    f"Linked reaction concept {reaction_concept.name} to "
+                    f"allergen concept {nearest_allergy_concept.name}"
+                )
+
+        # Remove the linked REACTION concepts from the main list
+        updated_concept_list = [concept for concept in concept_list if concept.category != Category.REACTION]
+
+        return updated_concept_list
+
+    @staticmethod
+    def _convert_allergy_severity_to_code(concept: Concept) -> bool:
+        """
+        Converts allergy severity to corresponding codes and links them to the concept.
+
+        Args:
+            concept (Concept): The concept to convert severity for.
+
+        Returns:
+            True if the conversion is successful, False otherwise.
+        """
+        meta_ann_values = [meta_ann.value for meta_ann in concept.meta] if concept.meta is not None else []
+        if Severity.MILD in meta_ann_values:
+            concept.linked_concepts.append(Concept(id="L", name="Low", category=Category.SEVERITY))
+        elif Severity.MODERATE in meta_ann_values:
+            concept.linked_concepts.append(Concept(id="M", name="Moderate", category=Category.SEVERITY))
+        elif Severity.SEVERE in meta_ann_values:
+            concept.linked_concepts.append(Concept(id="H", name="High", category=Category.SEVERITY))
+        elif Severity.UNSPECIFIED in meta_ann_values:
+            return True
+        else:
+            log.warning(f"No severity annotation associated with ({concept.id} | {concept.name})")
+            return False
+
+        log.debug(
+            f"Linked severity concept ({concept.linked_concepts[-1].id} | {concept.linked_concepts[-1].name}) "
+            f"to allergen concept ({concept.id} | {concept.name}): valid meta model output"
+        )
+
+        return True
+
+    def _convert_allergy_type_to_code(self, concept: Concept) -> bool:
+        """
+        Converts the allergy type of a concept to a code and adds it as a linked concept.
+
+        Args:
+            concept (Concept): The concept whose allergy type needs to be converted.
+
+        Returns:
+            True if the conversion and linking were successful, False otherwise.
+        """
+        # get the ALLERGYTYPE meta-annotation
+        allergy_type = [meta_ann for meta_ann in concept.meta if meta_ann.name == "allergy_type"]
+        if len(allergy_type) != 1:
+            log.warning(
+                f"Unable to map allergy type code: allergy_type meta-annotation "
+                f"not found for concept {concept.__str__()}"
+            )
+            return False
+        else:
+            allergy_type = allergy_type[0].value
+
+        # perform lookup with ALLERGYTYPE and AllergenType combination
+        lookup_combination: Tuple[str, str] = (concept.category.value, allergy_type.value)
+        allergy_type_lookup_result = self.allergy_type_lookup.get(lookup_combination)
+
+        # add resulting allergy type concept as to linked_concept
+        if allergy_type_lookup_result is not None:
+            concept.linked_concepts.append(
+                Concept(
+                    id=str(allergy_type_lookup_result[0]),
+                    name=allergy_type_lookup_result[1],
+                    category=Category.ALLERGY_TYPE,
+                )
+            )
+            log.debug(
+                f"Linked allergy_type concept ({allergy_type_lookup_result[0]} | {allergy_type_lookup_result[1]})"
+                f" to allergen concept ({concept.id} | {concept.name}): valid meta model output + allergytype lookup"
+            )
+        else:
+            log.warning(f"Allergen and adverse reaction type combination not found: {lookup_combination}")
+
+        return True
+
+    def _process_meta_ann_by_paragraph(self, concept: Concept, paragraph: Paragraph):
+        """
+        Process the meta annotations for a given concept and paragraph.
+
+        Args:
+            concept (Concept): The concept object.
+            paragraph (Paragraph): The paragraph object.
+
+        Returns:
+            None
+        """
+        # if paragraph is structured meds to convert to corresponding relevance
+        if paragraph.type in self.structured_med_lists:
+            for meta in concept.meta:
+                if meta.name == "substance_category" and meta.value in [
+                    SubstanceCategory.TAKING,
+                    SubstanceCategory.IRRELEVANT,
+                ]:
+                    new_relevance = self.structured_med_lists[paragraph.type]
+                    if meta.value != new_relevance:
+                        log.debug(
+                            f"Converted {meta.value} to "
+                            f"{new_relevance} for concept ({concept.id} | {concept.name}): "
+                            f"paragraph is {paragraph.type}"
+                        )
+                        meta.value = new_relevance
+        # if paragraph is probs or irrelevant section, convert substance to irrelevant
+        elif paragraph.type in self.structured_prob_lists or paragraph.type in self.irrelevant_paragraphs:
+            for meta in concept.meta:
+                if meta.name == "substance_category" and meta.value != SubstanceCategory.IRRELEVANT:
+                    log.debug(
+                        f"Converted {meta.value} to "
+                        f"{SubstanceCategory.IRRELEVANT} for concept ({concept.id} | {concept.name}): "
+                        f"paragraph is {paragraph.type}"
+                    )
+                    meta.value = SubstanceCategory.IRRELEVANT
+
+    def process_paragraphs(self, note: Note, concepts: List[Concept]) -> List[Concept]:
+        """
+        Process the paragraphs in a note and update the list of concepts.
+
+        Args:
+            note (Note): The note object containing the paragraphs.
+            concepts (List[Concept]): The list of concepts to be updated.
+
+        Returns:
+            The updated list of concepts.
+        """
+        for paragraph in note.paragraphs:
+            for concept in concepts:
+                if concept.start >= paragraph.start and concept.end <= paragraph.end:
+                    # log.debug(f"({concept.name} | {concept.id}) is in {paragraph.type}")
+                    if concept.meta:
+                        self._process_meta_ann_by_paragraph(concept, paragraph)
+
+        return concepts
+
+    def postprocess(self, concepts: List[Concept], note: Note) -> List[Concept]:
+        """
+        Postprocesses a list of concepts and links reactions to allergens.
+
+        Args:
+            concepts (List[Concept]): The list of concepts to be postprocessed.
+            note (Note): The note object associated with the concepts.
+
+        Returns:
+           The postprocessed list of concepts.
+        """
+        # deepcopy so we still have reference to original list of concepts
+        all_concepts = deepcopy(concepts)
+        processed_concepts = []
+
+        for concept in all_concepts:
+            concept = self._validate_and_convert_concepts(concept)
+            processed_concepts.append(concept)
+
+        processed_concepts = self._link_reactions_to_allergens(processed_concepts, note)
+
+        return processed_concepts
+
+    def convert_VTM_to_VMP_or_text(self, concepts: List[Concept]) -> List[Concept]:
+        """
+        Converts medication concepts from VTM (Virtual Therapeutic Moiety) to VMP (Virtual Medicinal Product) or text.
+
+        Args:
+            concepts (List[Concept]): A list of medication concepts.
+
+        Returns:
+            A list of medication concepts with updated IDs, names, and dosages.
+
+        """
+        # Get medication concepts
+        med_concepts = [concept for concept in concepts if concept.category == Category.MEDICATION]
+        self.vtm_to_vmp_lookup["dose"] = self.vtm_to_vmp_lookup["dose"].astype(float)
+
+        med_concepts_with_dose = []
+        # I don't know man...Need to improve dosage methods
+        for concept in med_concepts:
+            if concept.dosage is not None:
+                if concept.dosage.dose:
+                    if concept.dosage.dose.value is not None and concept.dosage.dose.unit is not None:
+                        med_concepts_with_dose.append(concept)
+
+        med_concepts_no_dose = [concept for concept in concepts if concept not in med_concepts_with_dose]
+
+        # Create a temporary DataFrame to match vtmId, dose, and unit
+        temp_df = pd.DataFrame(
+            {
+                "vtmId": [int(concept.id) for concept in med_concepts_with_dose],
+                "dose": [float(concept.dosage.dose.value) for concept in med_concepts_with_dose],
+                "unit": [concept.dosage.dose.unit for concept in med_concepts_with_dose],
+            }
+        )
+
+        # Merge with the lookup df to get vmpId
+        merged_df = temp_df.merge(self.vtm_to_vmp_lookup, on=["vtmId", "dose", "unit"], how="left")
+
+        # Update id in the concepts list
+        for index, concept in enumerate(med_concepts_with_dose):
+            # Convert VTM to VMP id
+            vmp_id = merged_df.at[index, "vmpId"]
+            if not pd.isna(vmp_id):
+                log.debug(
+                    f"Converted ({concept.id} | {concept.name}) to "
+                    f"({int(vmp_id)} | {concept.name + ' ' + str(int(concept.dosage.dose.value)) + concept.dosage.dose.unit} "
+                    f"tablets): valid extracted dosage + VMP lookup"
+                )
+                concept.id = str(int(vmp_id))
+                concept.name += " " + str(int(concept.dosage.dose.value)) + str(concept.dosage.dose.unit) + " tablets"
+                # If found VMP match change the dosage to 1 tablet
+                concept.dosage.dose.value = 1
+                concept.dosage.dose.unit = "{tbl}"
+            else:
+                # If no match with dose convert to text
+                lookup_result = self.vtm_to_text_lookup.get(int(concept.id))
+                if lookup_result is not None:
+                    log.debug(
+                        f"Converted ({concept.id} | {concept.name}) to (None | {lookup_result}: no match to VMP dosage lookup)"
+                    )
+                    concept.id = None
+                    concept.name = lookup_result
+
+        # Convert rest of VTMs that have no dose for VMP conversion to text
+        for concept in med_concepts_no_dose:
+            lookup_result = self.vtm_to_text_lookup.get(int(concept.id))
+            if lookup_result is not None:
+                log.debug(f"Converted ({concept.id} | {concept.name}) to (None | {lookup_result}): no dosage detected")
+                concept.id = None
+                concept.name = lookup_result
+
+        return concepts
+
+
+ + + +
+ + + + + + + +
+ + + +

+ concept_types: List[Category] + + + property + + +

+ + +
+ +

Returns a list of concept types.

+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Category] + +
+

[Category.MEDICATION, Category.ALLERGY, Category.REACTION]

+
+
+
+ +
+ +
+ + + +

+ pipeline: List[str] + + + property + + +

+ + +
+ +

Returns a list of annotators in the pipeline.

+

The annotators are executed in the order they appear in the list.

+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[str] + +
+

["preprocessor", "medcat", "paragrapher", "postprocessor", "dosage_extractor", "vtm_converter", "deduplicator"]

+
+
+
+ +
+ + + +
+ + +

+ convert_VTM_to_VMP_or_text(concepts) + +

+ + +
+ +

Converts medication concepts from VTM (Virtual Therapeutic Moiety) to VMP (Virtual Medicinal Product) or text.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
concepts + List[Concept] + +
+

A list of medication concepts.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

A list of medication concepts with updated IDs, names, and dosages.

+
+
+ +
+ Source code in miade/annotators.py + 
1125
+1126
+1127
+1128
+1129
+1130
+1131
+1132
+1133
+1134
+1135
+1136
+1137
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+1139
+1140
+1141
+1142
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+1146
+1147
+1148
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+1150
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+1190
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+1193
+1194
+1195
def convert_VTM_to_VMP_or_text(self, concepts: List[Concept]) -> List[Concept]:
+    """
+    Converts medication concepts from VTM (Virtual Therapeutic Moiety) to VMP (Virtual Medicinal Product) or text.
+
+    Args:
+        concepts (List[Concept]): A list of medication concepts.
+
+    Returns:
+        A list of medication concepts with updated IDs, names, and dosages.
+
+    """
+    # Get medication concepts
+    med_concepts = [concept for concept in concepts if concept.category == Category.MEDICATION]
+    self.vtm_to_vmp_lookup["dose"] = self.vtm_to_vmp_lookup["dose"].astype(float)
+
+    med_concepts_with_dose = []
+    # I don't know man...Need to improve dosage methods
+    for concept in med_concepts:
+        if concept.dosage is not None:
+            if concept.dosage.dose:
+                if concept.dosage.dose.value is not None and concept.dosage.dose.unit is not None:
+                    med_concepts_with_dose.append(concept)
+
+    med_concepts_no_dose = [concept for concept in concepts if concept not in med_concepts_with_dose]
+
+    # Create a temporary DataFrame to match vtmId, dose, and unit
+    temp_df = pd.DataFrame(
+        {
+            "vtmId": [int(concept.id) for concept in med_concepts_with_dose],
+            "dose": [float(concept.dosage.dose.value) for concept in med_concepts_with_dose],
+            "unit": [concept.dosage.dose.unit for concept in med_concepts_with_dose],
+        }
+    )
+
+    # Merge with the lookup df to get vmpId
+    merged_df = temp_df.merge(self.vtm_to_vmp_lookup, on=["vtmId", "dose", "unit"], how="left")
+
+    # Update id in the concepts list
+    for index, concept in enumerate(med_concepts_with_dose):
+        # Convert VTM to VMP id
+        vmp_id = merged_df.at[index, "vmpId"]
+        if not pd.isna(vmp_id):
+            log.debug(
+                f"Converted ({concept.id} | {concept.name}) to "
+                f"({int(vmp_id)} | {concept.name + ' ' + str(int(concept.dosage.dose.value)) + concept.dosage.dose.unit} "
+                f"tablets): valid extracted dosage + VMP lookup"
+            )
+            concept.id = str(int(vmp_id))
+            concept.name += " " + str(int(concept.dosage.dose.value)) + str(concept.dosage.dose.unit) + " tablets"
+            # If found VMP match change the dosage to 1 tablet
+            concept.dosage.dose.value = 1
+            concept.dosage.dose.unit = "{tbl}"
+        else:
+            # If no match with dose convert to text
+            lookup_result = self.vtm_to_text_lookup.get(int(concept.id))
+            if lookup_result is not None:
+                log.debug(
+                    f"Converted ({concept.id} | {concept.name}) to (None | {lookup_result}: no match to VMP dosage lookup)"
+                )
+                concept.id = None
+                concept.name = lookup_result
+
+    # Convert rest of VTMs that have no dose for VMP conversion to text
+    for concept in med_concepts_no_dose:
+        lookup_result = self.vtm_to_text_lookup.get(int(concept.id))
+        if lookup_result is not None:
+            log.debug(f"Converted ({concept.id} | {concept.name}) to (None | {lookup_result}): no dosage detected")
+            concept.id = None
+            concept.name = lookup_result
+
+    return concepts
+
+
+
+ +
+ +
+ + +

+ postprocess(concepts, note) + +

+ + +
+ +

Postprocesses a list of concepts and links reactions to allergens.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
concepts + List[Concept] + +
+

The list of concepts to be postprocessed.

+
+ 		+ required +
note + Note + +
+

The note object associated with the concepts.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

The postprocessed list of concepts.

+
+
+ +
+ Source code in miade/annotators.py + 
1102
+1103
+1104
+1105
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def postprocess(self, concepts: List[Concept], note: Note) -> List[Concept]:
+    """
+    Postprocesses a list of concepts and links reactions to allergens.
+
+    Args:
+        concepts (List[Concept]): The list of concepts to be postprocessed.
+        note (Note): The note object associated with the concepts.
+
+    Returns:
+       The postprocessed list of concepts.
+    """
+    # deepcopy so we still have reference to original list of concepts
+    all_concepts = deepcopy(concepts)
+    processed_concepts = []
+
+    for concept in all_concepts:
+        concept = self._validate_and_convert_concepts(concept)
+        processed_concepts.append(concept)
+
+    processed_concepts = self._link_reactions_to_allergens(processed_concepts, note)
+
+    return processed_concepts
+
+
+
+ +
+ +
+ + +

+ process_paragraphs(note, concepts) + +

+ + +
+ +

Process the paragraphs in a note and update the list of concepts.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
note + Note + +
+

The note object containing the paragraphs.

+
+ 		+ required +
concepts + List[Concept] + +
+

The list of concepts to be updated.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

The updated list of concepts.

+
+
+ +
+ Source code in miade/annotators.py + 
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def process_paragraphs(self, note: Note, concepts: List[Concept]) -> List[Concept]:
+    """
+    Process the paragraphs in a note and update the list of concepts.
+
+    Args:
+        note (Note): The note object containing the paragraphs.
+        concepts (List[Concept]): The list of concepts to be updated.
+
+    Returns:
+        The updated list of concepts.
+    """
+    for paragraph in note.paragraphs:
+        for concept in concepts:
+            if concept.start >= paragraph.start and concept.end <= paragraph.end:
+                # log.debug(f"({concept.name} | {concept.id}) is in {paragraph.type}")
+                if concept.meta:
+                    self._process_meta_ann_by_paragraph(concept, paragraph)
+
+    return concepts
+
+
+
+ +
+ +
+ + +

+ run_pipeline(note, record_concepts, dosage_extractor) + +

+ + +
+ +

Runs the annotation pipeline on the given note.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
note + Note + +
+

The input note to run the pipeline on.

+
+ 		+ required +
record_concepts + List[Concept] + +
+

The list of previously recorded concepts.

+
+ 		+ required +
dosage_extractor + Optional[DosageExtractor] + +
+

The dosage extractor function.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

The list of annotated concepts.

+
+
+ +
+ Source code in miade/annotators.py + 
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def run_pipeline(
+    self, note: Note, record_concepts: List[Concept], dosage_extractor: Optional[DosageExtractor]
+) -> List[Concept]:
+    """
+    Runs the annotation pipeline on the given note.
+
+    Args:
+        note (Note): The input note to run the pipeline on.
+        record_concepts (List[Concept]): The list of previously recorded concepts.
+        dosage_extractor (Optional[DosageExtractor]): The dosage extractor function.
+
+    Returns:
+        The list of annotated concepts.
+    """
+    concepts: List[Concept] = []
+
+    for pipe in self.pipeline:
+        if pipe not in self.config.disable:
+            if pipe == "preprocessor":
+                note = self.preprocess(note)
+            elif pipe == "medcat":
+                concepts = self.get_concepts(note)
+            elif pipe == "paragrapher":
+                concepts = self.process_paragraphs(note, concepts)
+            elif pipe == "postprocessor":
+                concepts = self.postprocess(concepts, note)
+            elif pipe == "deduplicator":
+                concepts = self.deduplicate(concepts, record_concepts)
+            elif pipe == "vtm_converter":
+                concepts = self.convert_VTM_to_VMP_or_text(concepts)
+            elif pipe == "dosage_extractor" and dosage_extractor is not None:
+                concepts = self.add_dosages_to_concepts(dosage_extractor, concepts, note)
+
+    return concepts
+
+
+
+ +
+ + + +
+ +
+ +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/api-reference/metaannotations/index.html b/api-reference/metaannotations/index.html new file mode 100644 index 0000000..80c51c0 --- /dev/null +++ b/api-reference/metaannotations/index.html @@ -0,0 +1,1235 @@ + + + + + + + + + + + + + + + + + + + + + + + + + MetaAnnotations - MiADE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + + + + + + +
+ +
+ + + + +
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+ + + +
+
+
+ + + + + + + + + +
+
+
+ + + + +
+
+ + + + + + + +

MetaAnnotations

+ +
+ + + + +
+

+ Bases: BaseModel

+ + +

Represents a meta annotation with a name, value, and optional confidence.

+ + +

Attributes:

+ + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
name + str + +
+

The name of the meta annotation.

+
+
value + Enum + +
+

The value of the meta annotation.

+
+
confidence + float + +
+

The confidence level of the meta annotation.

+
+
+ +
+ Source code in miade/metaannotations.py + 
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class MetaAnnotations(BaseModel):
+    """
+    Represents a meta annotation with a name, value, and optional confidence.
+
+    Attributes:
+        name (str): The name of the meta annotation.
+        value (Enum): The value of the meta annotation.
+        confidence (float, optional): The confidence level of the meta annotation.
+    """
+
+    name: str
+    value: Enum
+    confidence: Optional[float]
+
+    @validator("value", pre=True)
+    def validate_value(cls, value, values):
+        enum_dict = META_ANNS_DICT
+        if isinstance(value, str):
+            enum_type = enum_dict.get(values["name"])
+            if enum_type is not None:
+                try:
+                    return enum_type(value)
+                except ValueError:
+                    raise ValueError(f"Invalid value: {value}")
+            else:
+                raise ValueError(f"Invalid mapping for {values['name']}")
+
+        return value
+
+    def __eq__(self, other):
+        return self.name == other.name and self.value == other.value
+
+
+ + + +
+ + + + + + + + + + + +
+ +
+ +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/api-reference/note/index.html b/api-reference/note/index.html new file mode 100644 index 0000000..de454b9 --- /dev/null +++ b/api-reference/note/index.html @@ -0,0 +1,1524 @@ + + + + + + + + + + + + + + + + + + + + + + + + + Note - MiADE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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+ +
+ + + + +
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+ + + +
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+
+ + + + + + + + + +
+
+
+ + + + +
+
+ + + + + + + +

Note

+ +
+ + + + +
+

+ Bases: object

+ + +

Represents a note object.

+ + +

Attributes:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
text + str + +
+

The text content of the note.

+
+
raw_text + str + +
+

The raw text content of the note.

+
+
regex_config + str + +
+

The path to the regex configuration file.

+
+
paragraphs + Optional[List[Paragraph]] + +
+

A list of paragraphs in the note.

+
+
+ +
+ Source code in miade/note.py + 
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class Note(object):
+    """
+    Represents a note object.
+
+    Attributes:
+        text (str): The text content of the note.
+        raw_text (str): The raw text content of the note.
+        regex_config (str): The path to the regex configuration file.
+        paragraphs (Optional[List[Paragraph]]): A list of paragraphs in the note.
+    """
+
+    def __init__(self, text: str, regex_config_path: str = "./data/regex_para_chunk.csv"):
+        self.text = text
+        self.raw_text = text
+        self.regex_config = load_regex_config_mappings(regex_config_path)
+        self.paragraphs: Optional[List[Paragraph]] = []
+
+    def clean_text(self) -> None:
+        """
+        Cleans the text content of the note.
+
+        This method performs various cleaning operations on the text content of the note,
+        such as replacing spaces, removing punctuation, and removing empty lines.
+        """
+
+        # Replace all types of spaces with a single normal space, preserving "\n"
+        self.text = re.sub(r"(?:(?!\n)\s)+", " ", self.text)
+
+        # Remove en dashes that are not between two numbers
+        self.text = re.sub(r"(?<![0-9])-(?![0-9])", "", self.text)
+
+        # Remove all punctuation except full stops, question marks, dash and line breaks
+        self.text = re.sub(r"[^\w\s.,?\n-]", "", self.text)
+
+        # Remove spaces if the entire line (between two line breaks) is just spaces
+        self.text = re.sub(r"(?<=\n)\s+(?=\n)", "", self.text)
+
+    def get_paragraphs(self) -> None:
+        """
+        Splits the note into paragraphs.
+
+        This method splits the text content of the note into paragraphs based on double line breaks.
+        It also assigns a paragraph type to each paragraph based on matching patterns in the heading.
+        """
+
+        paragraphs = re.split(r"\n\n+", self.text)
+        start = 0
+
+        for text in paragraphs:
+            # Default to prose
+            paragraph_type = ParagraphType.prose
+
+            # Use re.search to find everything before first \n
+            match = re.search(r"^(.*?)(?:\n|$)([\s\S]*)", text)
+
+            # Check if a match is found
+            if match:
+                heading = match.group(1)
+                body = match.group(2)
+            else:
+                heading = text
+                body = ""
+
+            end = start + len(text)
+            paragraph = Paragraph(heading=heading, body=body, type=paragraph_type, start=start, end=end)
+            start = end + 2  # Account for the two newline characters
+
+            # Convert the heading to lowercase for case-insensitive matching
+            if heading:
+                heading = heading.lower()
+                # Iterate through the dictionary items and patterns
+                for paragraph_type, pattern in self.regex_config.items():
+                    if re.search(pattern, heading):
+                        paragraph.type = paragraph_type
+                        break  # Exit the loop if a match is found
+
+            self.paragraphs.append(paragraph)
+
+    def __str__(self):
+        return self.text
+
+
+ + + +
+ + + + + + + + + +
+ + +

+ clean_text() + +

+ + +
+ +

Cleans the text content of the note.

+

This method performs various cleaning operations on the text content of the note, +such as replacing spaces, removing punctuation, and removing empty lines.

+ +
+ Source code in miade/note.py + 
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def clean_text(self) -> None:
+    """
+    Cleans the text content of the note.
+
+    This method performs various cleaning operations on the text content of the note,
+    such as replacing spaces, removing punctuation, and removing empty lines.
+    """
+
+    # Replace all types of spaces with a single normal space, preserving "\n"
+    self.text = re.sub(r"(?:(?!\n)\s)+", " ", self.text)
+
+    # Remove en dashes that are not between two numbers
+    self.text = re.sub(r"(?<![0-9])-(?![0-9])", "", self.text)
+
+    # Remove all punctuation except full stops, question marks, dash and line breaks
+    self.text = re.sub(r"[^\w\s.,?\n-]", "", self.text)
+
+    # Remove spaces if the entire line (between two line breaks) is just spaces
+    self.text = re.sub(r"(?<=\n)\s+(?=\n)", "", self.text)
+
+
+
+ +
+ +
+ + +

+ get_paragraphs() + +

+ + +
+ +

Splits the note into paragraphs.

+

This method splits the text content of the note into paragraphs based on double line breaks. +It also assigns a paragraph type to each paragraph based on matching patterns in the heading.

+ +
+ Source code in miade/note.py + 
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def get_paragraphs(self) -> None:
+    """
+    Splits the note into paragraphs.
+
+    This method splits the text content of the note into paragraphs based on double line breaks.
+    It also assigns a paragraph type to each paragraph based on matching patterns in the heading.
+    """
+
+    paragraphs = re.split(r"\n\n+", self.text)
+    start = 0
+
+    for text in paragraphs:
+        # Default to prose
+        paragraph_type = ParagraphType.prose
+
+        # Use re.search to find everything before first \n
+        match = re.search(r"^(.*?)(?:\n|$)([\s\S]*)", text)
+
+        # Check if a match is found
+        if match:
+            heading = match.group(1)
+            body = match.group(2)
+        else:
+            heading = text
+            body = ""
+
+        end = start + len(text)
+        paragraph = Paragraph(heading=heading, body=body, type=paragraph_type, start=start, end=end)
+        start = end + 2  # Account for the two newline characters
+
+        # Convert the heading to lowercase for case-insensitive matching
+        if heading:
+            heading = heading.lower()
+            # Iterate through the dictionary items and patterns
+            for paragraph_type, pattern in self.regex_config.items():
+                if re.search(pattern, heading):
+                    paragraph.type = paragraph_type
+                    break  # Exit the loop if a match is found
+
+        self.paragraphs.append(paragraph)
+
+
+
+ +
+ + + +
+ +
+ +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/api-reference/noteprocessor/index.html b/api-reference/noteprocessor/index.html new file mode 100644 index 0000000..bfc0e94 --- /dev/null +++ b/api-reference/noteprocessor/index.html @@ -0,0 +1,2397 @@ + + + + + + + + + + + + + + + + + + + + + + + + + NoteProcessor - MiADE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + + + + + + +
+ +
+ + + + +
+
+ + + +
+
+
+ + + + + + + + + +
+
+
+ + + + +
+
+ + + + + + + +

NoteProcessor

+ +
+ + + + +
+ + +

Main processor of MiADE which extract, postprocesses, and deduplicates concepts given +annotators (MedCAT models), Note, and existing concepts

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
model_directory + Path + +
+

Path to directory that contains medcat models and a config.yaml file

+
+ 		+ required +
model_config_path + Path + +
+

Path to the model config file. Defaults to None.

+
+ 		+ None +
log_level + int + +
+

Log level. Defaults to logging.INFO.

+
+ 		+ INFO +
dosage_extractor_log_level + int + +
+

Log level for dosage extractor. Defaults to logging.INFO.

+
+ 		+ INFO +
device + str + +
+

Device to run inference on (cpu or gpu). Defaults to "cpu".

+
+ 		+ 'cpu' +
custom_annotators + List[Annotator] + +
+

List of custom annotators. Defaults to None.

+
+ 		+ None +
+ +
+ Source code in miade/core.py + 
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class NoteProcessor:
+    """
+    Main processor of MiADE which extract, postprocesses, and deduplicates concepts given
+    annotators (MedCAT models), Note, and existing concepts
+
+    Args:
+        model_directory (Path): Path to directory that contains medcat models and a config.yaml file
+        model_config_path (Path, optional): Path to the model config file. Defaults to None.
+        log_level (int, optional): Log level. Defaults to logging.INFO.
+        dosage_extractor_log_level (int, optional): Log level for dosage extractor. Defaults to logging.INFO.
+        device (str, optional): Device to run inference on (cpu or gpu). Defaults to "cpu".
+        custom_annotators (List[Annotator], optional): List of custom annotators. Defaults to None.
+    """
+
+    def __init__(
+        self,
+        model_directory: Path,
+        model_config_path: Path = None,
+        log_level: int = logging.INFO,
+        dosage_extractor_log_level: int = logging.INFO,
+        device: str = "cpu",
+        custom_annotators: Optional[List[Annotator]] = None,
+    ):
+        logging.getLogger("miade").setLevel(log_level)
+        logging.getLogger("miade.dosageextractor").setLevel(dosage_extractor_log_level)
+        logging.getLogger("miade.drugdoseade").setLevel(dosage_extractor_log_level)
+
+        self.device: str = device
+
+        self.annotators: List[Annotator] = []
+        self.model_directory: Path = model_directory
+        self.model_config_path: Path = model_config_path
+        self.model_factory: ModelFactory = self._load_model_factory(custom_annotators)
+        self.dosage_extractor: DosageExtractor = DosageExtractor()
+
+    def _load_config(self) -> Dict:
+        """
+        Loads the configuration file (config.yaml) in the configured model path.
+        If the model path is not explicitly passed, it defaults to the model directory.
+
+        Returns:
+            A dictionary containing the loaded config file.
+        """
+        if self.model_config_path is None:
+            config_path = os.path.join(self.model_directory, "config.yaml")
+        else:
+            config_path = self.model_config_path
+
+        if os.path.isfile(config_path):
+            log.info(f"Found config file {config_path}")
+        else:
+            log.error(f"No model config file found at {config_path}")
+
+        with open(config_path, "r") as f:
+            config = yaml.safe_load(f)
+
+        return config
+
+    def _load_model_factory(self, custom_annotators: Optional[List[Annotator]] = None) -> ModelFactory:
+        """
+        Loads the model factory which maps model aliases to MedCAT model IDs and MiADE annotators.
+
+        Args:
+            custom_annotators (List[Annotators], optional): List of custom annotators to initialize. Defaults to None.
+
+        Returns:
+            The initialized ModelFactory object.
+
+        Raises:
+            Exception: If there is an error loading MedCAT models.
+
+        """
+        meta_cat_config_dict = {"general": {"device": self.device}}
+        config_dict = self._load_config()
+        loaded_models = {}
+
+        # get model {id: cat_model}
+        log.info(f"Loading MedCAT models from {self.model_directory}")
+        for model_pack_filepath in self.model_directory.glob("*.zip"):
+            try:
+                cat = MiADE_CAT.load_model_pack(str(model_pack_filepath), meta_cat_config_dict=meta_cat_config_dict)
+                # temp fix reload to load stop words
+                cat.pipe._nlp = spacy.load(
+                    cat.config.general.spacy_model, disable=cat.config.general.spacy_disabled_components
+                )
+                cat._create_pipeline(config=cat.config)
+                cat_id = cat.config.version["id"]
+                loaded_models[cat_id] = cat
+            except Exception as e:
+                raise Exception(f"Error loading MedCAT models: {e}")
+
+        mapped_models = {}
+        # map to name if given {name: <class CAT>}
+        if "models" in config_dict:
+            for name, model_id in config_dict["models"].items():
+                cat_model = loaded_models.get(model_id)
+                if cat_model is None:
+                    log.warning(f"No match for model id {model_id} in {self.model_directory}, skipping")
+                    continue
+                mapped_models[name] = cat_model
+        else:
+            log.warning("No model ids configured!")
+
+        mapped_annotators = {}
+        # {name: <class Annotator>}
+        if "annotators" in config_dict:
+            for name, annotator_string in config_dict["annotators"].items():
+                if custom_annotators is not None:
+                    for annotator_class in custom_annotators:
+                        if annotator_class.__name__ == annotator_string:
+                            mapped_annotators[name] = annotator_class
+                            break
+                if name not in mapped_annotators:
+                    try:
+                        annotator_class = getattr(sys.modules[__name__], annotator_string)
+                        mapped_annotators[name] = annotator_class
+                    except AttributeError as e:
+                        log.warning(f"{annotator_string} not found: {e}")
+        else:
+            log.warning("No annotators configured!")
+
+        mapped_configs = {}
+        if "general" in config_dict:
+            for name, config in config_dict["general"].items():
+                try:
+                    mapped_configs[name] = AnnotatorConfig(**config)
+                except Exception as e:
+                    log.error(f"Error processing config for '{name}': {str(e)}")
+        else:
+            log.warning("No general settings configured, using default settings.")
+
+        model_factory_config = {"models": mapped_models, "annotators": mapped_annotators, "configs": mapped_configs}
+
+        return ModelFactory(**model_factory_config)
+
+    def add_annotator(self, name: str) -> None:
+        """
+        Adds an annotator to the processor.
+
+        Args:
+            name (str): The alias of the annotator to add.
+
+        Returns:
+            None
+
+        Raises:
+            Exception: If there is an error creating the annotator.
+        """
+        try:
+            annotator = create_annotator(name, self.model_factory)
+            log.info(
+                f"Added {type(annotator).__name__} to processor with config {self.model_factory.configs.get(name)}"
+            )
+        except Exception as e:
+            raise Exception(f"Error creating annotator: {e}")
+
+        self.annotators.append(annotator)
+
+    def remove_annotator(self, name: str) -> None:
+        """
+        Removes an annotator from the processor.
+
+        Args:
+            name (str): The alias of the annotator to remove.
+
+        Returns:
+            None
+        """
+        annotator_found = False
+        annotator_name = self.model_factory.annotators[name]
+
+        for annotator in self.annotators:
+            if type(annotator).__name__ == annotator_name.__name__:
+                self.annotators.remove(annotator)
+                annotator_found = True
+                log.info(f"Removed {type(annotator).__name__} from processor")
+                break
+
+        if not annotator_found:
+            log.warning(f"Annotator {type(name).__name__} not found in processor")
+
+    def print_model_cards(self) -> None:
+        """
+        Prints the model cards for each annotator in the `annotators` list.
+
+        Each model card includes the name of the annotator's class and its category.
+        """
+        for annotator in self.annotators:
+            print(f"{type(annotator).__name__}: {annotator.cat}")
+
+    def process(self, note: Note, record_concepts: Optional[List[Concept]] = None) -> List[Concept]:
+        """
+        Process the given note and extract concepts using the loaded annotators.
+
+        Args:
+            note (Note): The note to be processed.
+            record_concepts (Optional[List[Concept]]): A list of existing concepts in the EHR record.
+
+        Returns:
+            A list of extracted concepts.
+
+        """
+        if not self.annotators:
+            log.warning("No annotators loaded, use .add_annotator() to load annotators")
+            return []
+
+        concepts: List[Concept] = []
+
+        for annotator in self.annotators:
+            log.debug(f"Processing concepts with {type(annotator).__name__}")
+            if Category.MEDICATION in annotator.concept_types:
+                detected_concepts = annotator(note, record_concepts, self.dosage_extractor)
+                concepts.extend(detected_concepts)
+            else:
+                detected_concepts = annotator(note, record_concepts)
+                concepts.extend(detected_concepts)
+
+        return concepts
+
+    def get_concept_dicts(
+        self, note: Note, filter_uncategorized: bool = True, record_concepts: Optional[List[Concept]] = None
+    ) -> List[Dict]:
+        """
+        Returns concepts in dictionary format.
+
+        Args:
+            note (Note): Note containing text to extract concepts from.
+            filter_uncategorized (bool): If True, does not return concepts where category=None. Default is True.
+            record_concepts (Optional[List[Concept]]): List of concepts in existing record.
+
+        Returns:
+            Extracted concepts in JSON-compatible dictionary format.
+        """
+        concepts = self.process(note, record_concepts)
+        concept_list = []
+        for concept in concepts:
+            if filter_uncategorized and concept.category is None:
+                continue
+            concept_dict = concept.__dict__
+            if concept.dosage is not None:
+                concept_dict["dosage"] = {
+                    "dose": concept.dosage.dose.dict() if concept.dosage.dose else None,
+                    "duration": concept.dosage.duration.dict() if concept.dosage.duration else None,
+                    "frequency": concept.dosage.frequency.dict() if concept.dosage.frequency else None,
+                    "route": concept.dosage.route.dict() if concept.dosage.route else None,
+                }
+            if concept.meta is not None:
+                meta_anns = []
+                for meta in concept.meta:
+                    meta_dict = meta.__dict__
+                    meta_dict["value"] = meta.value.name
+                    meta_anns.append(meta_dict)
+                concept_dict["meta"] = meta_anns
+            if concept.category is not None:
+                concept_dict["category"] = concept.category.name
+            concept_list.append(concept_dict)
+
+        return concept_list
+
+
+ + + +
+ + + + + + + + + +
+ + +

+ add_annotator(name) + +

+ + +
+ +

Adds an annotator to the processor.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
name + str + +
+

The alias of the annotator to add.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ None + +
+

None

+
+
+ + +

Raises:

+ + + + + + + + + + + + + +
TypeDescription
+ Exception + +
+

If there is an error creating the annotator.

+
+
+ +
+ Source code in miade/core.py + 
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def add_annotator(self, name: str) -> None:
+    """
+    Adds an annotator to the processor.
+
+    Args:
+        name (str): The alias of the annotator to add.
+
+    Returns:
+        None
+
+    Raises:
+        Exception: If there is an error creating the annotator.
+    """
+    try:
+        annotator = create_annotator(name, self.model_factory)
+        log.info(
+            f"Added {type(annotator).__name__} to processor with config {self.model_factory.configs.get(name)}"
+        )
+    except Exception as e:
+        raise Exception(f"Error creating annotator: {e}")
+
+    self.annotators.append(annotator)
+
+
+
+ +
+ +
+ + +

+ get_concept_dicts(note, filter_uncategorized=True, record_concepts=None) + +

+ + +
+ +

Returns concepts in dictionary format.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
note + Note + +
+

Note containing text to extract concepts from.

+
+ 		+ required +
filter_uncategorized + bool + +
+

If True, does not return concepts where category=None. Default is True.

+
+ 		+ True +
record_concepts + Optional[List[Concept]] + +
+

List of concepts in existing record.

+
+ 		+ None +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Dict] + +
+

Extracted concepts in JSON-compatible dictionary format.

+
+
+ +
+ Source code in miade/core.py + 
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def get_concept_dicts(
+    self, note: Note, filter_uncategorized: bool = True, record_concepts: Optional[List[Concept]] = None
+) -> List[Dict]:
+    """
+    Returns concepts in dictionary format.
+
+    Args:
+        note (Note): Note containing text to extract concepts from.
+        filter_uncategorized (bool): If True, does not return concepts where category=None. Default is True.
+        record_concepts (Optional[List[Concept]]): List of concepts in existing record.
+
+    Returns:
+        Extracted concepts in JSON-compatible dictionary format.
+    """
+    concepts = self.process(note, record_concepts)
+    concept_list = []
+    for concept in concepts:
+        if filter_uncategorized and concept.category is None:
+            continue
+        concept_dict = concept.__dict__
+        if concept.dosage is not None:
+            concept_dict["dosage"] = {
+                "dose": concept.dosage.dose.dict() if concept.dosage.dose else None,
+                "duration": concept.dosage.duration.dict() if concept.dosage.duration else None,
+                "frequency": concept.dosage.frequency.dict() if concept.dosage.frequency else None,
+                "route": concept.dosage.route.dict() if concept.dosage.route else None,
+            }
+        if concept.meta is not None:
+            meta_anns = []
+            for meta in concept.meta:
+                meta_dict = meta.__dict__
+                meta_dict["value"] = meta.value.name
+                meta_anns.append(meta_dict)
+            concept_dict["meta"] = meta_anns
+        if concept.category is not None:
+            concept_dict["category"] = concept.category.name
+        concept_list.append(concept_dict)
+
+    return concept_list
+
+
+
+ +
+ +
+ + +

+ print_model_cards() + +

+ + +
+ +

Prints the model cards for each annotator in the annotators list.

+

Each model card includes the name of the annotator's class and its category.

+ +
+ Source code in miade/core.py + 
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def print_model_cards(self) -> None:
+    """
+    Prints the model cards for each annotator in the `annotators` list.
+
+    Each model card includes the name of the annotator's class and its category.
+    """
+    for annotator in self.annotators:
+        print(f"{type(annotator).__name__}: {annotator.cat}")
+
+
+
+ +
+ +
+ + +

+ process(note, record_concepts=None) + +

+ + +
+ +

Process the given note and extract concepts using the loaded annotators.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
note + Note + +
+

The note to be processed.

+
+ 		+ required +
record_concepts + Optional[List[Concept]] + +
+

A list of existing concepts in the EHR record.

+
+ 		+ None +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

A list of extracted concepts.

+
+
+ +
+ Source code in miade/core.py + 
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def process(self, note: Note, record_concepts: Optional[List[Concept]] = None) -> List[Concept]:
+    """
+    Process the given note and extract concepts using the loaded annotators.
+
+    Args:
+        note (Note): The note to be processed.
+        record_concepts (Optional[List[Concept]]): A list of existing concepts in the EHR record.
+
+    Returns:
+        A list of extracted concepts.
+
+    """
+    if not self.annotators:
+        log.warning("No annotators loaded, use .add_annotator() to load annotators")
+        return []
+
+    concepts: List[Concept] = []
+
+    for annotator in self.annotators:
+        log.debug(f"Processing concepts with {type(annotator).__name__}")
+        if Category.MEDICATION in annotator.concept_types:
+            detected_concepts = annotator(note, record_concepts, self.dosage_extractor)
+            concepts.extend(detected_concepts)
+        else:
+            detected_concepts = annotator(note, record_concepts)
+            concepts.extend(detected_concepts)
+
+    return concepts
+
+
+
+ +
+ +
+ + +

+ remove_annotator(name) + +

+ + +
+ +

Removes an annotator from the processor.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
name + str + +
+

The alias of the annotator to remove.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ None + +
+

None

+
+
+ +
+ Source code in miade/core.py + 
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def remove_annotator(self, name: str) -> None:
+    """
+    Removes an annotator from the processor.
+
+    Args:
+        name (str): The alias of the annotator to remove.
+
+    Returns:
+        None
+    """
+    annotator_found = False
+    annotator_name = self.model_factory.annotators[name]
+
+    for annotator in self.annotators:
+        if type(annotator).__name__ == annotator_name.__name__:
+            self.annotators.remove(annotator)
+            annotator_found = True
+            log.info(f"Removed {type(annotator).__name__} from processor")
+            break
+
+    if not annotator_found:
+        log.warning(f"Annotator {type(name).__name__} not found in processor")
+
+
+
+ +
+ + + +
+ +
+ +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/api-reference/problemsannotator/index.html b/api-reference/problemsannotator/index.html new file mode 100644 index 0000000..20359ff --- /dev/null +++ b/api-reference/problemsannotator/index.html @@ -0,0 +1,2064 @@ + + + + + + + + + + + + + + + + + + + + + + + + + ProblemsAnnotator - MiADE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + + + + + + +
+ +
+ + + + +
+
+ + + +
+
+
+ + + + + + + + + +
+
+
+ + + + +
+
+ + + + + + + +

ProblemsAnnotator

+ +
+ + + + +
+

+ Bases: Annotator

+ + +

Annotator class for identifying and processing problems in medical notes.

+

This class extends the base Annotator class and provides specific functionality +for identifying and processing problems in medical notes. It implements methods +for loading problem lookup data, processing meta annotations, filtering concepts, +and post-processing the annotated concepts.

+ + +

Attributes:

+ + + + + + + + + + + + + + + + + + + + +
NameTypeDescription
cat + CAT + +
+

The CAT (Concept Annotation Tool) instance used for annotation.

+
+
config + AnnotatorConfig + +
+

The configuration object for the annotator.

+
+
+ + +
+ Properties +

concept_types (list): A list of concept types supported by this annotator. +pipeline (list): The list of processing steps in the annotation pipeline.

+
+
+ Source code in miade/annotators.py + 
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class ProblemsAnnotator(Annotator):
+    """
+    Annotator class for identifying and processing problems in medical notes.
+
+    This class extends the base `Annotator` class and provides specific functionality
+    for identifying and processing problems in medical notes. It implements methods
+    for loading problem lookup data, processing meta annotations, filtering concepts,
+    and post-processing the annotated concepts.
+
+    Attributes:
+        cat (CAT): The CAT (Concept Annotation Tool) instance used for annotation.
+        config (AnnotatorConfig): The configuration object for the annotator.
+
+    Properties:
+        concept_types (list): A list of concept types supported by this annotator.
+        pipeline (list): The list of processing steps in the annotation pipeline.
+    """
+
+    def __init__(self, cat: CAT, config: AnnotatorConfig = None):
+        super().__init__(cat, config)
+        self._load_problems_lookup_data()
+
+    @property
+    def concept_types(self) -> List[Category]:
+        """
+        Get the list of concept types supported by this annotator.
+
+        Returns:
+            [Category.PROBLEM]
+        """
+        return [Category.PROBLEM]
+
+    @property
+    def pipeline(self) -> List[str]:
+        """
+        Get the list of processing steps in the annotation pipeline.
+
+        Returns:
+            ["preprocessor", "medcat", "paragrapher", "postprocessor", "deduplicator"]
+        """
+        return ["preprocessor", "medcat", "paragrapher", "postprocessor", "deduplicator"]
+
+    def _load_problems_lookup_data(self) -> None:
+        """
+        Load the problem lookup data. Load prepackaged lookups if lookup_data_path is None.
+
+        Raises:
+            RuntimeError: If the lookup data directory does not exist.
+        """
+        if self.config.lookup_data_path is None:
+            data_path = "./data/"
+            is_package_data = True
+            log.info("Loading preconfigured lookup data for ProblemsAnnotator")
+        else:
+            data_path = self.config.lookup_data_path
+            is_package_data = False
+            log.info(f"Loading lookup data from {data_path} for ProblemsAnnotator")
+            if not os.path.isdir(data_path):
+                raise RuntimeError(f"No lookup data configured: {data_path} does not exist!")
+
+        self.negated_lookup = load_lookup_data(data_path + "negated.csv", is_package_data=is_package_data, as_dict=True)
+        self.historic_lookup = load_lookup_data(
+            data_path + "historic.csv", is_package_data=is_package_data, as_dict=True
+        )
+        self.suspected_lookup = load_lookup_data(
+            data_path + "suspected.csv", is_package_data=is_package_data, as_dict=True
+        )
+        self.filtering_blacklist = load_lookup_data(
+            data_path + "problem_blacklist.csv", is_package_data=is_package_data, no_header=True
+        )
+
+    def _process_meta_annotations(self, concept: Concept) -> Optional[Concept]:
+        """
+        Process the meta annotations for a concept.
+
+        Args:
+            concept (Concept): The concept to process.
+
+        Returns:
+           The processed concept, or None if it should be removed.
+
+        Raises:
+            ValueError: If the concept has an invalid negex value.
+        """
+        # Add, convert, or ignore concepts
+        meta_ann_values = [meta_ann.value for meta_ann in concept.meta] if concept.meta is not None else []
+
+        convert = False
+        tag = ""
+        # only get meta model results if negex is false
+        if concept.negex is not None:
+            if concept.negex:
+                convert = self.negated_lookup.get(int(concept.id), False)
+                tag = " (negated)"
+            elif Presence.SUSPECTED in meta_ann_values:
+                convert = self.suspected_lookup.get(int(concept.id), False)
+                tag = " (suspected)"
+            elif Relevance.HISTORIC in meta_ann_values:
+                convert = self.historic_lookup.get(int(concept.id), False)
+                tag = " (historic)"
+        else:
+            if Presence.NEGATED in meta_ann_values:
+                convert = self.negated_lookup.get(int(concept.id), False)
+                tag = " (negated)"
+            elif Presence.SUSPECTED in meta_ann_values:
+                convert = self.suspected_lookup.get(int(concept.id), False)
+                tag = " (suspected)"
+            elif Relevance.HISTORIC in meta_ann_values:
+                convert = self.historic_lookup.get(int(concept.id), False)
+                tag = " (historic)"
+
+        if convert:
+            if tag == " (negated)" and concept.negex:
+                log.debug(
+                    f"Converted concept ({concept.id} | {concept.name}) to ({str(convert)} | {concept.name + tag}): "
+                    f"negation detected by negex"
+                )
+            else:
+                log.debug(
+                    f"Converted concept ({concept.id} | {concept.name}) to ({str(convert)} | {concept.name + tag}):"
+                    f"detected by meta model"
+                )
+            concept.id = str(convert)
+            concept.name += tag
+        else:
+            if concept.negex:
+                log.debug(f"Removed concept ({concept.id} | {concept.name}): negation (negex) with no conversion match")
+                return None
+            if concept.negex is None and Presence.NEGATED in meta_ann_values:
+                log.debug(
+                    f"Removed concept ({concept.id} | {concept.name}): negation (meta model) with no conversion match"
+                )
+                return None
+            if Presence.SUSPECTED in meta_ann_values:
+                log.debug(f"Removed concept ({concept.id} | {concept.name}): suspected with no conversion match")
+                return None
+            if Relevance.IRRELEVANT in meta_ann_values:
+                log.debug(f"Removed concept ({concept.id} | {concept.name}): irrelevant concept")
+                return None
+            if Relevance.HISTORIC in meta_ann_values:
+                log.debug(f"No change to concept ({concept.id} | {concept.name}): historic with no conversion match")
+
+        concept.category = Category.PROBLEM
+
+        return concept
+
+    def _is_blacklist(self, concept):
+        """
+        Check if a concept is in the filtering blacklist.
+
+        Args:
+            concept: The concept to check.
+
+        Returns:
+            True if the concept is in the blacklist, False otherwise.
+        """
+        # filtering blacklist
+        if int(concept.id) in self.filtering_blacklist.values:
+            log.debug(f"Removed concept ({concept.id} | {concept.name}): concept in problems blacklist")
+            return True
+        return False
+
+    def _process_meta_ann_by_paragraph(
+        self, concept: Concept, paragraph: Paragraph, prob_concepts_in_structured_sections: List[Concept]
+    ):
+        """
+        Process the meta annotations for a concept based on the paragraph type.
+
+        Args:
+            concept (Concept): The concept to process.
+            paragraph (Paragraph): The paragraph containing the concept.
+            prob_concepts_in_structured_sections (List[Concept]): The list of problem concepts in structured sections.
+        """
+        # if paragraph is structured problems section, add to prob list and convert to corresponding relevance
+        if paragraph.type in self.structured_prob_lists:
+            prob_concepts_in_structured_sections.append(concept)
+            for meta in concept.meta:
+                if meta.name == "relevance" and meta.value == Relevance.IRRELEVANT:
+                    new_relevance = self.structured_prob_lists[paragraph.type]
+                    log.debug(
+                        f"Converted {meta.value} to "
+                        f"{new_relevance} for concept ({concept.id} | {concept.name}): "
+                        f"paragraph is {paragraph.type}"
+                    )
+                    meta.value = new_relevance
+        # if paragraph is meds or irrelevant section, convert problems to irrelevant
+        elif paragraph.type in self.structured_med_lists or paragraph.type in self.irrelevant_paragraphs:
+            for meta in concept.meta:
+                if meta.name == "relevance" and meta.value != Relevance.IRRELEVANT:
+                    log.debug(
+                        f"Converted {meta.value} to "
+                        f"{Relevance.IRRELEVANT} for concept ({concept.id} | {concept.name}): "
+                        f"paragraph is {paragraph.type}"
+                    )
+                    meta.value = Relevance.IRRELEVANT
+
+    def process_paragraphs(self, note: Note, concepts: List[Concept]) -> List[Concept]:
+        """
+        Process the paragraphs in a note and filter the concepts.
+
+        Args:
+            note (Note): The note to process.
+            concepts (List[Concept]): The list of concepts to filter.
+
+        Returns:
+            The filtered list of concepts.
+        """
+        prob_concepts_in_structured_sections: List[Concept] = []
+
+        for paragraph in note.paragraphs:
+            for concept in concepts:
+                if concept.start >= paragraph.start and concept.end <= paragraph.end:
+                    # log.debug(f"({concept.name} | {concept.id}) is in {paragraph.type}")
+                    if concept.meta:
+                        self._process_meta_ann_by_paragraph(concept, paragraph, prob_concepts_in_structured_sections)
+
+        # if more than set no. concepts in prob or imp or pmh sections, return only those and ignore all other concepts
+        if len(prob_concepts_in_structured_sections) > self.config.structured_list_limit:
+            log.debug(
+                f"Ignoring concepts elsewhere in the document because "
+                f"more than {self.config.structured_list_limit} concepts exist "
+                f"in prob, imp, pmh structured sections: {len(prob_concepts_in_structured_sections)}"
+            )
+            return prob_concepts_in_structured_sections
+
+        return concepts
+
+    def postprocess(self, concepts: List[Concept]) -> List[Concept]:
+        """
+        Post-process the concepts and filter out irrelevant concepts.
+
+        Args:
+            concepts (List[Concept]): The list of concepts to post-process.
+
+        Returns:
+            The filtered list of concepts.
+        """
+        # deepcopy so we still have reference to original list of concepts
+        all_concepts = deepcopy(concepts)
+        filtered_concepts = []
+        for concept in all_concepts:
+            if self._is_blacklist(concept):
+                continue
+            # meta annotations
+            concept = self._process_meta_annotations(concept)
+            # ignore concepts filtered by meta-annotations
+            if concept is None:
+                continue
+            filtered_concepts.append(concept)
+
+        return filtered_concepts
+
+
+ + + +
+ + + + + + + +
+ + + +

+ concept_types: List[Category] + + + property + + +

+ + +
+ +

Get the list of concept types supported by this annotator.

+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Category] + +
+

[Category.PROBLEM]

+
+
+
+ +
+ +
+ + + +

+ pipeline: List[str] + + + property + + +

+ + +
+ +

Get the list of processing steps in the annotation pipeline.

+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[str] + +
+

["preprocessor", "medcat", "paragrapher", "postprocessor", "deduplicator"]

+
+
+
+ +
+ + + +
+ + +

+ postprocess(concepts) + +

+ + +
+ +

Post-process the concepts and filter out irrelevant concepts.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
concepts + List[Concept] + +
+

The list of concepts to post-process.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

The filtered list of concepts.

+
+
+ +
+ Source code in miade/annotators.py + 
651
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+655
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+658
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+664
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+667
+668
+669
+670
+671
+672
+673
+674
def postprocess(self, concepts: List[Concept]) -> List[Concept]:
+    """
+    Post-process the concepts and filter out irrelevant concepts.
+
+    Args:
+        concepts (List[Concept]): The list of concepts to post-process.
+
+    Returns:
+        The filtered list of concepts.
+    """
+    # deepcopy so we still have reference to original list of concepts
+    all_concepts = deepcopy(concepts)
+    filtered_concepts = []
+    for concept in all_concepts:
+        if self._is_blacklist(concept):
+            continue
+        # meta annotations
+        concept = self._process_meta_annotations(concept)
+        # ignore concepts filtered by meta-annotations
+        if concept is None:
+            continue
+        filtered_concepts.append(concept)
+
+    return filtered_concepts
+
+
+
+ +
+ +
+ + +

+ process_paragraphs(note, concepts) + +

+ + +
+ +

Process the paragraphs in a note and filter the concepts.

+ + +

Parameters:

+ + + + + + + + + + + + + + + + + + + + + + + +
NameTypeDescriptionDefault
note + Note + +
+

The note to process.

+
+ 		+ required +
concepts + List[Concept] + +
+

The list of concepts to filter.

+
+ 		+ required +
+ + +

Returns:

+ + + + + + + + + + + + + +
TypeDescription
+ List[Concept] + +
+

The filtered list of concepts.

+
+
+ +
+ Source code in miade/annotators.py + 
620
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+622
+623
+624
+625
+626
+627
+628
+629
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+641
+642
+643
+644
+645
+646
+647
+648
+649
def process_paragraphs(self, note: Note, concepts: List[Concept]) -> List[Concept]:
+    """
+    Process the paragraphs in a note and filter the concepts.
+
+    Args:
+        note (Note): The note to process.
+        concepts (List[Concept]): The list of concepts to filter.
+
+    Returns:
+        The filtered list of concepts.
+    """
+    prob_concepts_in_structured_sections: List[Concept] = []
+
+    for paragraph in note.paragraphs:
+        for concept in concepts:
+            if concept.start >= paragraph.start and concept.end <= paragraph.end:
+                # log.debug(f"({concept.name} | {concept.id}) is in {paragraph.type}")
+                if concept.meta:
+                    self._process_meta_ann_by_paragraph(concept, paragraph, prob_concepts_in_structured_sections)
+
+    # if more than set no. concepts in prob or imp or pmh sections, return only those and ignore all other concepts
+    if len(prob_concepts_in_structured_sections) > self.config.structured_list_limit:
+        log.debug(
+            f"Ignoring concepts elsewhere in the document because "
+            f"more than {self.config.structured_list_limit} concepts exist "
+            f"in prob, imp, pmh structured sections: {len(prob_concepts_in_structured_sections)}"
+        )
+        return prob_concepts_in_structured_sections
+
+    return concepts
+
+
+
+ +
+ + + +
+ +
+ +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/assets/_mkdocstrings.css b/assets/_mkdocstrings.css new file mode 100644 index 0000000..85449ec --- /dev/null +++ b/assets/_mkdocstrings.css @@ -0,0 +1,119 @@ + +/* Avoid breaking parameter names, etc. in table cells. */ +.doc-contents td code { + word-break: normal !important; +} + +/* No line break before first paragraph of descriptions. */ +.doc-md-description, +.doc-md-description>p:first-child { + display: inline; +} + +/* Max width for docstring sections tables. */ +.doc .md-typeset__table, +.doc .md-typeset__table table { + display: table !important; + width: 100%; +} + +.doc .md-typeset__table tr { + display: table-row; +} + +/* Defaults in Spacy table style. */ +.doc-param-default { + float: right; +} + +/* Backward-compatibility: docstring section titles in bold. */ +.doc-section-title { + font-weight: bold; +} + +/* Symbols in Navigation and ToC. */ +:root, +[data-md-color-scheme="default"] { + --doc-symbol-attribute-fg-color: #953800; + --doc-symbol-function-fg-color: #8250df; + --doc-symbol-method-fg-color: #8250df; + --doc-symbol-class-fg-color: #0550ae; + --doc-symbol-module-fg-color: #5cad0f; + + --doc-symbol-attribute-bg-color: #9538001a; + --doc-symbol-function-bg-color: #8250df1a; + --doc-symbol-method-bg-color: #8250df1a; + --doc-symbol-class-bg-color: #0550ae1a; + --doc-symbol-module-bg-color: #5cad0f1a; +} + +[data-md-color-scheme="slate"] { + --doc-symbol-attribute-fg-color: #ffa657; + --doc-symbol-function-fg-color: #d2a8ff; + --doc-symbol-method-fg-color: #d2a8ff; + --doc-symbol-class-fg-color: #79c0ff; + --doc-symbol-module-fg-color: #baff79; + + --doc-symbol-attribute-bg-color: #ffa6571a; + --doc-symbol-function-bg-color: #d2a8ff1a; + --doc-symbol-method-bg-color: #d2a8ff1a; + --doc-symbol-class-bg-color: #79c0ff1a; + --doc-symbol-module-bg-color: #baff791a; +} + +code.doc-symbol { + border-radius: .1rem; + font-size: .85em; + padding: 0 .3em; + font-weight: bold; +} + +code.doc-symbol-attribute { + color: var(--doc-symbol-attribute-fg-color); + background-color: var(--doc-symbol-attribute-bg-color); +} + +code.doc-symbol-attribute::after { + content: "attr"; +} + +code.doc-symbol-function { + color: var(--doc-symbol-function-fg-color); + background-color: var(--doc-symbol-function-bg-color); +} + +code.doc-symbol-function::after { + content: "func"; +} + +code.doc-symbol-method { + color: var(--doc-symbol-method-fg-color); + background-color: var(--doc-symbol-method-bg-color); +} + +code.doc-symbol-method::after { + content: "meth"; +} + +code.doc-symbol-class { + color: var(--doc-symbol-class-fg-color); + background-color: var(--doc-symbol-class-bg-color); +} + +code.doc-symbol-class::after { + content: "class"; +} + +code.doc-symbol-module { + color: var(--doc-symbol-module-fg-color); + background-color: var(--doc-symbol-module-bg-color); +} + +code.doc-symbol-module::after { + content: "mod"; +} + +.doc-signature .autorefs { + color: inherit; + border-bottom: 1px dotted currentcolor; +} diff --git a/assets/images/favicon.png b/assets/images/favicon.png new file mode 100644 index 0000000..1cf13b9 Binary files /dev/null and b/assets/images/favicon.png differ diff --git a/assets/javascripts/bundle.fe8b6f2b.min.js b/assets/javascripts/bundle.fe8b6f2b.min.js new file mode 100644 index 0000000..cf778d4 --- /dev/null +++ b/assets/javascripts/bundle.fe8b6f2b.min.js @@ -0,0 +1,29 @@ +"use strict";(()=>{var Fi=Object.create;var gr=Object.defineProperty;var ji=Object.getOwnPropertyDescriptor;var Wi=Object.getOwnPropertyNames,Dt=Object.getOwnPropertySymbols,Ui=Object.getPrototypeOf,xr=Object.prototype.hasOwnProperty,no=Object.prototype.propertyIsEnumerable;var oo=(e,t,r)=>t in e?gr(e,t,{enumerable:!0,configurable:!0,writable:!0,value:r}):e[t]=r,R=(e,t)=>{for(var r in t||(t={}))xr.call(t,r)&&oo(e,r,t[r]);if(Dt)for(var r of Dt(t))no.call(t,r)&&oo(e,r,t[r]);return e};var io=(e,t)=>{var r={};for(var o in 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rect.divider{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}defs #statediagram-barbEnd{stroke:var(--md-mermaid-edge-color)}.attributeBoxEven,.attributeBoxOdd{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.entityBox{fill:var(--md-mermaid-label-bg-color);stroke:var(--md-mermaid-node-fg-color)}.entityLabel{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.relationshipLabelBox{fill:var(--md-mermaid-label-bg-color);fill-opacity:1;background-color:var(--md-mermaid-label-bg-color);opacity:1}.relationshipLabel{fill:var(--md-mermaid-label-fg-color)}.relationshipLine{stroke:var(--md-mermaid-edge-color)}defs #ONE_OR_MORE_END *,defs #ONE_OR_MORE_START *,defs #ONLY_ONE_END *,defs #ONLY_ONE_START *,defs #ZERO_OR_MORE_END *,defs #ZERO_OR_MORE_START *,defs #ZERO_OR_ONE_END *,defs #ZERO_OR_ONE_START *{stroke:var(--md-mermaid-edge-color)!important}defs #ZERO_OR_MORE_END circle,defs #ZERO_OR_MORE_START circle{fill:var(--md-mermaid-label-bg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man line{fill:var(--md-mermaid-sequence-actorman-bg-color);stroke:var(--md-mermaid-sequence-actorman-line-color)}.messageLine0,.messageLine1{stroke:var(--md-mermaid-sequence-message-line-color)}.note{fill:var(--md-mermaid-sequence-note-bg-color);stroke:var(--md-mermaid-sequence-note-border-color)}.loopText,.loopText>tspan,.messageText,.noteText>tspan{stroke:none;font-family:var(--md-mermaid-font-family)!important}.messageText{fill:var(--md-mermaid-sequence-message-fg-color)}.loopText,.loopText>tspan{fill:var(--md-mermaid-sequence-loop-fg-color)}.noteText>tspan{fill:var(--md-mermaid-sequence-note-fg-color)}#arrowhead path{fill:var(--md-mermaid-sequence-message-line-color);stroke:none}.loopLine{fill:var(--md-mermaid-sequence-loop-bg-color);stroke:var(--md-mermaid-sequence-loop-border-color)}.labelBox{fill:var(--md-mermaid-sequence-label-bg-color);stroke:none}.labelText,.labelText>span{fill:var(--md-mermaid-sequence-label-fg-color);font-family:var(--md-mermaid-font-family)}.sequenceNumber{fill:var(--md-mermaid-sequence-number-fg-color)}rect.rect{fill:var(--md-mermaid-sequence-box-bg-color);stroke:none}rect.rect+text.text{fill:var(--md-mermaid-sequence-box-fg-color)}defs #sequencenumber{fill:var(--md-mermaid-sequence-number-bg-color)!important}";var Br,Da=0;function Va(){return typeof mermaid=="undefined"||mermaid instanceof Element?wt("https://unpkg.com/mermaid@10/dist/mermaid.min.js"):I(void 0)}function In(e){return e.classList.remove("mermaid"),Br||(Br=Va().pipe(E(()=>mermaid.initialize({startOnLoad:!1,themeCSS:Rn,sequence:{actorFontSize:"16px",messageFontSize:"16px",noteFontSize:"16px"}})),m(()=>{}),G(1))),Br.subscribe(()=>ao(this,null,function*(){e.classList.add("mermaid");let t=`__mermaid_${Da++}`,r=x("div",{class:"mermaid"}),o=e.textContent,{svg:n,fn:i}=yield mermaid.render(t,o),a=r.attachShadow({mode:"closed"});a.innerHTML=n,e.replaceWith(r),i==null||i(a)})),Br.pipe(m(()=>({ref:e})))}var Fn=x("table");function jn(e){return e.replaceWith(Fn),Fn.replaceWith(On(e)),I({ref:e})}function Na(e){let t=e.find(r=>r.checked)||e[0];return S(...e.map(r=>d(r,"change").pipe(m(()=>P(`label[for="${r.id}"]`))))).pipe(Q(P(`label[for="${t.id}"]`)),m(r=>({active:r})))}function Wn(e,{viewport$:t,target$:r}){let o=P(".tabbed-labels",e),n=$(":scope > input",e),i=Qr("prev");e.append(i);let a=Qr("next");return e.append(a),C(()=>{let s=new g,p=s.pipe(X(),ne(!0));z([s,ge(e),tt(e)]).pipe(U(p),Le(1,me)).subscribe({next([{active:c},l]){let f=Ue(c),{width:u}=ce(c);e.style.setProperty("--md-indicator-x",`${f.x}px`),e.style.setProperty("--md-indicator-width",`${u}px`);let h=pr(o);(f.xh.x+l.width)&&o.scrollTo({left:Math.max(0,f.x-16),behavior:"smooth"})},complete(){e.style.removeProperty("--md-indicator-x"),e.style.removeProperty("--md-indicator-width")}}),z([De(o),ge(o)]).pipe(U(p)).subscribe(([c,l])=>{let f=Tt(o);i.hidden=c.x<16,a.hidden=c.x>f.width-l.width-16}),S(d(i,"click").pipe(m(()=>-1)),d(a,"click").pipe(m(()=>1))).pipe(U(p)).subscribe(c=>{let{width:l}=ce(o);o.scrollBy({left:l*c,behavior:"smooth"})}),r.pipe(U(p),b(c=>n.includes(c))).subscribe(c=>c.click()),o.classList.add("tabbed-labels--linked");for(let c of n){let l=P(`label[for="${c.id}"]`);l.replaceChildren(x("a",{href:`#${l.htmlFor}`,tabIndex:-1},...Array.from(l.childNodes))),d(l.firstElementChild,"click").pipe(U(p),b(f=>!(f.metaKey||f.ctrlKey)),E(f=>{f.preventDefault(),f.stopPropagation()})).subscribe(()=>{history.replaceState({},"",`#${l.htmlFor}`),l.click()})}return B("content.tabs.link")&&s.pipe(Ce(1),ee(t)).subscribe(([{active:c},{offset:l}])=>{let f=c.innerText.trim();if(c.hasAttribute("data-md-switching"))c.removeAttribute("data-md-switching");else{let u=e.offsetTop-l.y;for(let w of $("[data-tabs]"))for(let A of $(":scope > input",w)){let te=P(`label[for="${A.id}"]`);if(te!==c&&te.innerText.trim()===f){te.setAttribute("data-md-switching",""),A.click();break}}window.scrollTo({top:e.offsetTop-u});let h=__md_get("__tabs")||[];__md_set("__tabs",[...new Set([f,...h])])}}),s.pipe(U(p)).subscribe(()=>{for(let c of $("audio, video",e))c.pause()}),Na(n).pipe(E(c=>s.next(c)),L(()=>s.complete()),m(c=>R({ref:e},c)))}).pipe(Qe(se))}function Un(e,{viewport$:t,target$:r,print$:o}){return S(...$(".annotate:not(.highlight)",e).map(n=>Cn(n,{target$:r,print$:o})),...$("pre:not(.mermaid) > code",e).map(n=>$n(n,{target$:r,print$:o})),...$("pre.mermaid",e).map(n=>In(n)),...$("table:not([class])",e).map(n=>jn(n)),...$("details",e).map(n=>Pn(n,{target$:r,print$:o})),...$("[data-tabs]",e).map(n=>Wn(n,{viewport$:t,target$:r})),...$("[title]",e).filter(()=>B("content.tooltips")).map(n=>lt(n,{viewport$:t})))}function za(e,{alert$:t}){return t.pipe(v(r=>S(I(!0),I(!1).pipe(Ge(2e3))).pipe(m(o=>({message:r,active:o})))))}function Dn(e,t){let r=P(".md-typeset",e);return C(()=>{let o=new g;return o.subscribe(({message:n,active:i})=>{e.classList.toggle("md-dialog--active",i),r.textContent=n}),za(e,t).pipe(E(n=>o.next(n)),L(()=>o.complete()),m(n=>R({ref:e},n)))})}var qa=0;function Qa(e,t){document.body.append(e);let{width:r}=ce(e);e.style.setProperty("--md-tooltip-width",`${r}px`),e.remove();let o=cr(t),n=typeof o!="undefined"?De(o):I({x:0,y:0}),i=S(et(t),kt(t)).pipe(K());return z([i,n]).pipe(m(([a,s])=>{let{x:p,y:c}=Ue(t),l=ce(t),f=t.closest("table");return f&&t.parentElement&&(p+=f.offsetLeft+t.parentElement.offsetLeft,c+=f.offsetTop+t.parentElement.offsetTop),{active:a,offset:{x:p-s.x+l.width/2-r/2,y:c-s.y+l.height+8}}}))}function Vn(e){let t=e.title;if(!t.length)return O;let r=`__tooltip_${qa++}`,o=Pt(r,"inline"),n=P(".md-typeset",o);return n.innerHTML=t,C(()=>{let i=new g;return i.subscribe({next({offset:a}){o.style.setProperty("--md-tooltip-x",`${a.x}px`),o.style.setProperty("--md-tooltip-y",`${a.y}px`)},complete(){o.style.removeProperty("--md-tooltip-x"),o.style.removeProperty("--md-tooltip-y")}}),S(i.pipe(b(({active:a})=>a)),i.pipe(_e(250),b(({active:a})=>!a))).subscribe({next({active:a}){a?(e.insertAdjacentElement("afterend",o),e.setAttribute("aria-describedby",r),e.removeAttribute("title")):(o.remove(),e.removeAttribute("aria-describedby"),e.setAttribute("title",t))},complete(){o.remove(),e.removeAttribute("aria-describedby"),e.setAttribute("title",t)}}),i.pipe(Le(16,me)).subscribe(({active:a})=>{o.classList.toggle("md-tooltip--active",a)}),i.pipe(ct(125,me),b(()=>!!e.offsetParent),m(()=>e.offsetParent.getBoundingClientRect()),m(({x:a})=>a)).subscribe({next(a){a?o.style.setProperty("--md-tooltip-0",`${-a}px`):o.style.removeProperty("--md-tooltip-0")},complete(){o.style.removeProperty("--md-tooltip-0")}}),Qa(o,e).pipe(E(a=>i.next(a)),L(()=>i.complete()),m(a=>R({ref:e},a)))}).pipe(Qe(se))}function Ka({viewport$:e}){if(!B("header.autohide"))return I(!1);let t=e.pipe(m(({offset:{y:n}})=>n),Ye(2,1),m(([n,i])=>[nMath.abs(i-n.y)>100),m(([,[n]])=>n),K()),o=Ve("search");return z([e,o]).pipe(m(([{offset:n},i])=>n.y>400&&!i),K(),v(n=>n?r:I(!1)),Q(!1))}function Nn(e,t){return C(()=>z([ge(e),Ka(t)])).pipe(m(([{height:r},o])=>({height:r,hidden:o})),K((r,o)=>r.height===o.height&&r.hidden===o.hidden),G(1))}function zn(e,{header$:t,main$:r}){return C(()=>{let o=new g,n=o.pipe(X(),ne(!0));o.pipe(Z("active"),We(t)).subscribe(([{active:a},{hidden:s}])=>{e.classList.toggle("md-header--shadow",a&&!s),e.hidden=s});let i=ue($("[title]",e)).pipe(b(()=>B("content.tooltips")),oe(a=>Vn(a)));return r.subscribe(o),t.pipe(U(n),m(a=>R({ref:e},a)),Pe(i.pipe(U(n))))})}function Ya(e,{viewport$:t,header$:r}){return mr(e,{viewport$:t,header$:r}).pipe(m(({offset:{y:o}})=>{let{height:n}=ce(e);return{active:o>=n}}),Z("active"))}function qn(e,t){return C(()=>{let r=new g;r.subscribe({next({active:n}){e.classList.toggle("md-header__title--active",n)},complete(){e.classList.remove("md-header__title--active")}});let o=fe(".md-content h1");return typeof o=="undefined"?O:Ya(o,t).pipe(E(n=>r.next(n)),L(()=>r.complete()),m(n=>R({ref:e},n)))})}function Qn(e,{viewport$:t,header$:r}){let o=r.pipe(m(({height:i})=>i),K()),n=o.pipe(v(()=>ge(e).pipe(m(({height:i})=>({top:e.offsetTop,bottom:e.offsetTop+i})),Z("bottom"))));return z([o,n,t]).pipe(m(([i,{top:a,bottom:s},{offset:{y:p},size:{height:c}}])=>(c=Math.max(0,c-Math.max(0,a-p,i)-Math.max(0,c+p-s)),{offset:a-i,height:c,active:a-i<=p})),K((i,a)=>i.offset===a.offset&&i.height===a.height&&i.active===a.active))}function Ba(e){let t=__md_get("__palette")||{index:e.findIndex(o=>matchMedia(o.getAttribute("data-md-color-media")).matches)},r=Math.max(0,Math.min(t.index,e.length-1));return I(...e).pipe(oe(o=>d(o,"change").pipe(m(()=>o))),Q(e[r]),m(o=>({index:e.indexOf(o),color:{media:o.getAttribute("data-md-color-media"),scheme:o.getAttribute("data-md-color-scheme"),primary:o.getAttribute("data-md-color-primary"),accent:o.getAttribute("data-md-color-accent")}})),G(1))}function Kn(e){let t=$("input",e),r=x("meta",{name:"theme-color"});document.head.appendChild(r);let o=x("meta",{name:"color-scheme"});document.head.appendChild(o);let n=$t("(prefers-color-scheme: light)");return C(()=>{let i=new g;return i.subscribe(a=>{if(document.body.setAttribute("data-md-color-switching",""),a.color.media==="(prefers-color-scheme)"){let s=matchMedia("(prefers-color-scheme: light)"),p=document.querySelector(s.matches?"[data-md-color-media='(prefers-color-scheme: light)']":"[data-md-color-media='(prefers-color-scheme: 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Gr=Vt(Yr());function Ga(e){e.setAttribute("data-md-copying","");let t=e.closest("[data-copy]"),r=t?t.getAttribute("data-copy"):e.innerText;return e.removeAttribute("data-md-copying"),r.trimEnd()}function Bn({alert$:e}){Gr.default.isSupported()&&new F(t=>{new Gr.default("[data-clipboard-target], [data-clipboard-text]",{text:r=>r.getAttribute("data-clipboard-text")||Ga(P(r.getAttribute("data-clipboard-target")))}).on("success",r=>t.next(r))}).pipe(E(t=>{t.trigger.focus()}),m(()=>Ee("clipboard.copied"))).subscribe(e)}function Gn(e,t){return e.protocol=t.protocol,e.hostname=t.hostname,e}function Ja(e,t){let r=new Map;for(let o of $("url",e)){let n=P("loc",o),i=[Gn(new URL(n.textContent),t)];r.set(`${i[0]}`,i);for(let a of $("[rel=alternate]",o)){let s=a.getAttribute("href");s!=null&&i.push(Gn(new URL(s),t))}}return r}function ur(e){return mn(new URL("sitemap.xml",e)).pipe(m(t=>Ja(t,new URL(e))),ve(()=>I(new Map)))}function Xa(e,t){if(!(e.target instanceof Element))return O;let r=e.target.closest("a");if(r===null)return O;if(r.target||e.metaKey||e.ctrlKey)return O;let o=new URL(r.href);return o.search=o.hash="",t.has(`${o}`)?(e.preventDefault(),I(new URL(r.href))):O}function Jn(e){let t=new Map;for(let r of $(":scope > *",e.head))t.set(r.outerHTML,r);return t}function Xn(e){for(let t of $("[href], [src]",e))for(let r of["href","src"]){let o=t.getAttribute(r);if(o&&!/^(?:[a-z]+:)?\/\//i.test(o)){t[r]=t[r];break}}return I(e)}function Za(e){for(let o of["[data-md-component=announce]","[data-md-component=container]","[data-md-component=header-topic]","[data-md-component=outdated]","[data-md-component=logo]","[data-md-component=skip]",...B("navigation.tabs.sticky")?["[data-md-component=tabs]"]:[]]){let n=fe(o),i=fe(o,e);typeof n!="undefined"&&typeof i!="undefined"&&n.replaceWith(i)}let t=Jn(document);for(let[o,n]of Jn(e))t.has(o)?t.delete(o):document.head.appendChild(n);for(let o of t.values()){let n=o.getAttribute("name");n!=="theme-color"&&n!=="color-scheme"&&o.remove()}let r=Se("container");return je($("script",r)).pipe(v(o=>{let n=e.createElement("script");if(o.src){for(let i of o.getAttributeNames())n.setAttribute(i,o.getAttribute(i));return o.replaceWith(n),new F(i=>{n.onload=()=>i.complete()})}else return n.textContent=o.textContent,o.replaceWith(n),O}),X(),ne(document))}function Zn({location$:e,viewport$:t,progress$:r}){let o=ye();if(location.protocol==="file:")return O;let n=ur(o.base);I(document).subscribe(Xn);let i=d(document.body,"click").pipe(We(n),v(([p,c])=>Xa(p,c)),pe()),a=d(window,"popstate").pipe(m(xe),pe());i.pipe(ee(t)).subscribe(([p,{offset:c}])=>{history.replaceState(c,""),history.pushState(null,"",p)}),S(i,a).subscribe(e);let s=e.pipe(Z("pathname"),v(p=>ln(p,{progress$:r}).pipe(ve(()=>(pt(p,!0),O)))),v(Xn),v(Za),pe());return S(s.pipe(ee(e,(p,c)=>c)),s.pipe(v(()=>e),Z("pathname"),v(()=>e),Z("hash")),e.pipe(K((p,c)=>p.pathname===c.pathname&&p.hash===c.hash),v(()=>i),E(()=>history.back()))).subscribe(p=>{var c,l;history.state!==null||!p.hash?window.scrollTo(0,(l=(c=history.state)==null?void 0:c.y)!=null?l:0):(history.scrollRestoration="auto",sn(p.hash),history.scrollRestoration="manual")}),e.subscribe(()=>{history.scrollRestoration="manual"}),d(window,"beforeunload").subscribe(()=>{history.scrollRestoration="auto"}),t.pipe(Z("offset"),_e(100)).subscribe(({offset:p})=>{history.replaceState(p,"")}),s}var ri=Vt(ti());function oi(e){let t=e.separator.split("|").map(n=>n.replace(/(\(\?[!=<][^)]+\))/g,"").length===0?"\uFFFD":n).join("|"),r=new RegExp(t,"img"),o=(n,i,a)=>`${i}${a}`;return n=>{n=n.replace(/[\s*+\-:~^]+/g," ").trim();let i=new RegExp(`(^|${e.separator}|)(${n.replace(/[|\\{}()[\]^$+*?.-]/g,"\\$&").replace(r,"|")})`,"img");return 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g,o=r.pipe(X(),ne(!0));z([t.pipe(Ae(It)),r],(i,a)=>a).pipe(Z("value")).subscribe(({value:i})=>t.next({type:2,data:i})),r.pipe(Z("focus")).subscribe(({focus:i})=>{i&&Je("search",i)}),d(e.form,"reset").pipe(U(o)).subscribe(()=>e.focus());let n=P("header [for=__search]");return d(n,"click").subscribe(()=>e.focus()),ns(e,{worker$:t}).pipe(E(i=>r.next(i)),L(()=>r.complete()),m(i=>R({ref:e},i)),G(1))}function si(e,{worker$:t,query$:r}){let o=new g,n=tn(e.parentElement).pipe(b(Boolean)),i=e.parentElement,a=P(":scope > :first-child",e),s=P(":scope > :last-child",e);Ve("search").subscribe(l=>s.setAttribute("role",l?"list":"presentation")),o.pipe(ee(r),Ur(t.pipe(Ae(It)))).subscribe(([{items:l},{value:f}])=>{switch(l.length){case 0:a.textContent=f.length?Ee("search.result.none"):Ee("search.result.placeholder");break;case 1:a.textContent=Ee("search.result.one");break;default:let u=sr(l.length);a.textContent=Ee("search.result.other",u)}});let 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g,n=Se("search-query"),i=S(d(n,"keydown"),d(n,"focus")).pipe(be(se),m(()=>n.value),K());return o.pipe(We(i),m(([{suggest:s},p])=>{let c=p.split(/([\s-]+)/);if(s!=null&&s.length&&c[c.length-1]){let l=s[s.length-1];l.startsWith(c[c.length-1])&&(c[c.length-1]=l)}else c.length=0;return c})).subscribe(s=>e.innerHTML=s.join("").replace(/\s/g," ")),r.pipe(b(({mode:s})=>s==="search")).subscribe(s=>{switch(s.type){case"ArrowRight":e.innerText.length&&n.selectionStart===n.value.length&&(n.value=e.innerText);break}}),t.pipe(b(dr),m(({data:s})=>s)).pipe(E(s=>o.next(s)),L(()=>o.complete()),m(()=>({ref:e})))}function li(e,{index$:t,keyboard$:r}){let o=ye();try{let n=ni(o.search,t),i=Se("search-query",e),a=Se("search-result",e);d(e,"click").pipe(b(({target:p})=>p instanceof Element&&!!p.closest("a"))).subscribe(()=>Je("search",!1)),r.pipe(b(({mode:p})=>p==="search")).subscribe(p=>{let c=Re();switch(p.type){case"Enter":if(c===i){let l=new Map;for(let f of $(":first-child [href]",a)){let 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z([t,r.pipe(Q(xe()),b(o=>!!o.searchParams.get("h")))]).pipe(m(([o,n])=>oi(o.config)(n.searchParams.get("h"))),m(o=>{var a;let n=new Map,i=document.createNodeIterator(e,NodeFilter.SHOW_TEXT);for(let s=i.nextNode();s;s=i.nextNode())if((a=s.parentElement)!=null&&a.offsetHeight){let p=s.textContent,c=o(p);c.length>p.length&&n.set(s,c)}for(let[s,p]of n){let{childNodes:c}=x("span",null,p);s.replaceWith(...Array.from(c))}return{ref:e,nodes:n}}))}function as(e,{viewport$:t,main$:r}){let o=e.closest(".md-grid"),n=o.offsetTop-o.parentElement.offsetTop;return z([r,t]).pipe(m(([{offset:i,height:a},{offset:{y:s}}])=>(a=a+Math.min(n,Math.max(0,s-i))-n,{height:a,locked:s>=i+n})),K((i,a)=>i.height===a.height&&i.locked===a.locked))}function Jr(e,o){var n=o,{header$:t}=n,r=io(n,["header$"]);let i=P(".md-sidebar__scrollwrap",e),{y:a}=Ue(i);return C(()=>{let s=new g,p=s.pipe(X(),ne(!0)),c=s.pipe(Le(0,me));return c.pipe(ee(t)).subscribe({next([{height:l},{height:f}]){i.style.height=`${l-2*a}px`,e.style.top=`${f}px`},complete(){i.style.height="",e.style.top=""}}),c.pipe(Ae()).subscribe(()=>{for(let l of $(".md-nav__link--active[href]",e)){if(!l.clientHeight)continue;let f=l.closest(".md-sidebar__scrollwrap");if(typeof f!="undefined"){let u=l.offsetTop-f.offsetTop,{height:h}=ce(f);f.scrollTo({top:u-h/2})}}}),ue($("label[tabindex]",e)).pipe(oe(l=>d(l,"click").pipe(be(se),m(()=>l),U(p)))).subscribe(l=>{let f=P(`[id="${l.htmlFor}"]`);P(`[aria-labelledby="${l.id}"]`).setAttribute("aria-expanded",`${f.checked}`)}),as(e,r).pipe(E(l=>s.next(l)),L(()=>s.complete()),m(l=>R({ref:e},l)))})}function fi(e,t){if(typeof t!="undefined"){let r=`https://api.github.com/repos/${e}/${t}`;return Ct(Ne(`${r}/releases/latest`).pipe(ve(()=>O),m(o=>({version:o.tag_name})),Be({})),Ne(r).pipe(ve(()=>O),m(o=>({stars:o.stargazers_count,forks:o.forks_count})),Be({}))).pipe(m(([o,n])=>R(R({},o),n)))}else{let r=`https://api.github.com/users/${e}`;return Ne(r).pipe(m(o=>({repositories:o.public_repos})),Be({}))}}function ui(e,t){let r=`https://${e}/api/v4/projects/${encodeURIComponent(t)}`;return Ne(r).pipe(ve(()=>O),m(({star_count:o,forks_count:n})=>({stars:o,forks:n})),Be({}))}function di(e){let t=e.match(/^.+github\.com\/([^/]+)\/?([^/]+)?/i);if(t){let[,r,o]=t;return fi(r,o)}if(t=e.match(/^.+?([^/]*gitlab[^/]+)\/(.+?)\/?$/i),t){let[,r,o]=t;return ui(r,o)}return O}var ss;function cs(e){return ss||(ss=C(()=>{let t=__md_get("__source",sessionStorage);if(t)return I(t);if(ae("consent").length){let o=__md_get("__consent");if(!(o&&o.github))return O}return di(e.href).pipe(E(o=>__md_set("__source",o,sessionStorage)))}).pipe(ve(()=>O),b(t=>Object.keys(t).length>0),m(t=>({facts:t})),G(1)))}function hi(e){let t=P(":scope > :last-child",e);return C(()=>{let r=new g;return 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n=t.pipe(m(({offset:{y:a}})=>a),Ye(2,1),m(([a,s])=>a>s&&s>0),K()),i=r.pipe(m(({active:a})=>a));return z([i,n]).pipe(m(([a,s])=>!(a&&s)),K(),U(o.pipe(Ce(1))),ne(!0),st({delay:250}),m(a=>({hidden:a})))}function gi(e,{viewport$:t,header$:r,main$:o,target$:n}){let i=new g,a=i.pipe(X(),ne(!0));return i.subscribe({next({hidden:s}){e.hidden=s,s?(e.setAttribute("tabindex","-1"),e.blur()):e.removeAttribute("tabindex")},complete(){e.style.top="",e.hidden=!0,e.removeAttribute("tabindex")}}),r.pipe(U(a),Z("height")).subscribe(({height:s})=>{e.style.top=`${s+16}px`}),d(e,"click").subscribe(s=>{s.preventDefault(),window.scrollTo({top:0})}),ms(e,{viewport$:t,main$:o,target$:n}).pipe(E(s=>i.next(s)),L(()=>i.complete()),m(s=>R({ref:e},s)))}function xi({document$:e,viewport$:t}){e.pipe(v(()=>$(".md-ellipsis")),oe(r=>tt(r).pipe(U(e.pipe(Ce(1))),b(o=>o),m(()=>r),Te(1))),b(r=>r.offsetWidth{let o=r.innerText,n=r.closest("a")||r;return n.title=o,B("content.tooltips")?lt(n,{viewport$:t}).pipe(U(e.pipe(Ce(1))),L(()=>n.removeAttribute("title"))):O})).subscribe(),B("content.tooltips")&&e.pipe(v(()=>$(".md-status")),oe(r=>lt(r,{viewport$:t}))).subscribe()}function yi({document$:e,tablet$:t}){e.pipe(v(()=>$(".md-toggle--indeterminate")),E(r=>{r.indeterminate=!0,r.checked=!1}),oe(r=>d(r,"change").pipe(Dr(()=>r.classList.contains("md-toggle--indeterminate")),m(()=>r))),ee(t)).subscribe(([r,o])=>{r.classList.remove("md-toggle--indeterminate"),o&&(r.checked=!1)})}function fs(){return/(iPad|iPhone|iPod)/.test(navigator.userAgent)}function Ei({document$:e}){e.pipe(v(()=>$("[data-md-scrollfix]")),E(t=>t.removeAttribute("data-md-scrollfix")),b(fs),oe(t=>d(t,"touchstart").pipe(m(()=>t)))).subscribe(t=>{let r=t.scrollTop;r===0?t.scrollTop=1:r+t.offsetHeight===t.scrollHeight&&(t.scrollTop=r-1)})}function wi({viewport$:e,tablet$:t}){z([Ve("search"),t]).pipe(m(([r,o])=>r&&!o),v(r=>I(r).pipe(Ge(r?400:100))),ee(e)).subscribe(([r,{offset:{y:o}}])=>{if(r)document.body.setAttribute("data-md-scrolllock",""),document.body.style.top=`-${o}px`;else{let n=-1*parseInt(document.body.style.top,10);document.body.removeAttribute("data-md-scrolllock"),document.body.style.top="",n&&window.scrollTo(0,n)}})}Object.entries||(Object.entries=function(e){let t=[];for(let r of Object.keys(e))t.push([r,e[r]]);return t});Object.values||(Object.values=function(e){let t=[];for(let r of Object.keys(e))t.push(e[r]);return t});typeof Element!="undefined"&&(Element.prototype.scrollTo||(Element.prototype.scrollTo=function(e,t){typeof e=="object"?(this.scrollLeft=e.left,this.scrollTop=e.top):(this.scrollLeft=e,this.scrollTop=t)}),Element.prototype.replaceWith||(Element.prototype.replaceWith=function(...e){let t=this.parentNode;if(t){e.length===0&&t.removeChild(this);for(let r=e.length-1;r>=0;r--){let o=e[r];typeof o=="string"?o=document.createTextNode(o):o.parentNode&&o.parentNode.removeChild(o),r?t.insertBefore(this.previousSibling,o):t.replaceChild(o,this)}}}));function us(){return location.protocol==="file:"?wt(`${new URL("search/search_index.js",Xr.base)}`).pipe(m(()=>__index),G(1)):Ne(new URL("search/search_index.json",Xr.base))}document.documentElement.classList.remove("no-js");document.documentElement.classList.add("js");var ot=Yo(),jt=nn(),Ot=cn(jt),Zr=on(),Oe=bn(),hr=$t("(min-width: 960px)"),Si=$t("(min-width: 1220px)"),Oi=pn(),Xr=ye(),Mi=document.forms.namedItem("search")?us():Ke,eo=new g;Bn({alert$:eo});var to=new g;B("navigation.instant")&&Zn({location$:jt,viewport$:Oe,progress$:to}).subscribe(ot);var Ti;((Ti=Xr.version)==null?void 0:Ti.provider)==="mike"&&ii({document$:ot});S(jt,Ot).pipe(Ge(125)).subscribe(()=>{Je("drawer",!1),Je("search",!1)});Zr.pipe(b(({mode:e})=>e==="global")).subscribe(e=>{switch(e.type){case"p":case",":let t=fe("link[rel=prev]");typeof t!="undefined"&&pt(t);break;case"n":case".":let r=fe("link[rel=next]");typeof r!="undefined"&&pt(r);break;case"Enter":let o=Re();o instanceof HTMLLabelElement&&o.click()}});xi({viewport$:Oe,document$:ot});yi({document$:ot,tablet$:hr});Ei({document$:ot});wi({viewport$:Oe,tablet$:hr});var rt=Nn(Se("header"),{viewport$:Oe}),Ft=ot.pipe(m(()=>Se("main")),v(e=>Qn(e,{viewport$:Oe,header$:rt})),G(1)),ds=S(...ae("consent").map(e=>xn(e,{target$:Ot})),...ae("dialog").map(e=>Dn(e,{alert$:eo})),...ae("header").map(e=>zn(e,{viewport$:Oe,header$:rt,main$:Ft})),...ae("palette").map(e=>Kn(e)),...ae("progress").map(e=>Yn(e,{progress$:to})),...ae("search").map(e=>li(e,{index$:Mi,keyboard$:Zr})),...ae("source").map(e=>hi(e))),hs=C(()=>S(...ae("announce").map(e=>gn(e)),...ae("content").map(e=>Un(e,{viewport$:Oe,target$:Ot,print$:Oi})),...ae("content").map(e=>B("search.highlight")?mi(e,{index$:Mi,location$:jt}):O),...ae("header-title").map(e=>qn(e,{viewport$:Oe,header$:rt})),...ae("sidebar").map(e=>e.getAttribute("data-md-type")==="navigation"?Nr(Si,()=>Jr(e,{viewport$:Oe,header$:rt,main$:Ft})):Nr(hr,()=>Jr(e,{viewport$:Oe,header$:rt,main$:Ft}))),...ae("tabs").map(e=>bi(e,{viewport$:Oe,header$:rt})),...ae("toc").map(e=>vi(e,{viewport$:Oe,header$:rt,main$:Ft,target$:Ot})),...ae("top").map(e=>gi(e,{viewport$:Oe,header$:rt,main$:Ft,target$:Ot})))),Li=ot.pipe(v(()=>hs),Pe(ds),G(1));Li.subscribe();window.document$=ot;window.location$=jt;window.target$=Ot;window.keyboard$=Zr;window.viewport$=Oe;window.tablet$=hr;window.screen$=Si;window.print$=Oi;window.alert$=eo;window.progress$=to;window.component$=Li;})(); 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"sourcesContent": ["(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (factory());\n}(this, (function () { 'use strict';\n\n /**\n * Applies the :focus-visible polyfill at the given scope.\n * A scope in this case is either the top-level Document or a Shadow Root.\n *\n * @param {(Document|ShadowRoot)} scope\n * @see https://github.com/WICG/focus-visible\n */\n function applyFocusVisiblePolyfill(scope) {\n var hadKeyboardEvent = true;\n var hadFocusVisibleRecently = false;\n var hadFocusVisibleRecentlyTimeout = null;\n\n var inputTypesAllowlist = {\n text: true,\n search: true,\n url: true,\n tel: true,\n email: true,\n password: true,\n number: true,\n date: true,\n month: true,\n week: true,\n time: true,\n datetime: true,\n 'datetime-local': true\n };\n\n /**\n * Helper function for legacy browsers and iframes which sometimes focus\n * elements like document, body, and non-interactive SVG.\n * @param {Element} el\n */\n function isValidFocusTarget(el) {\n if (\n el &&\n el !== document &&\n el.nodeName !== 'HTML' &&\n el.nodeName !== 'BODY' &&\n 'classList' in el &&\n 'contains' in el.classList\n ) {\n return true;\n }\n return false;\n }\n\n /**\n * Computes whether the given element should automatically trigger the\n * `focus-visible` class being added, i.e. whether it should always match\n * `:focus-visible` when focused.\n * @param {Element} el\n * @return {boolean}\n */\n function focusTriggersKeyboardModality(el) {\n var type = el.type;\n var tagName = el.tagName;\n\n if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n return true;\n }\n\n if (tagName === 'TEXTAREA' && !el.readOnly) {\n return true;\n }\n\n if (el.isContentEditable) {\n return true;\n }\n\n return false;\n }\n\n /**\n * Add the `focus-visible` class to the given element if it was not added by\n * the author.\n * @param {Element} el\n */\n function addFocusVisibleClass(el) {\n if (el.classList.contains('focus-visible')) {\n return;\n }\n el.classList.add('focus-visible');\n el.setAttribute('data-focus-visible-added', '');\n }\n\n /**\n * Remove the `focus-visible` class from the given element if it was not\n * originally added by the author.\n * @param {Element} el\n */\n function removeFocusVisibleClass(el) {\n if (!el.hasAttribute('data-focus-visible-added')) {\n return;\n }\n el.classList.remove('focus-visible');\n el.removeAttribute('data-focus-visible-added');\n }\n\n /**\n * If the most recent user interaction was via the keyboard;\n * and the key press did not include a meta, alt/option, or control key;\n * then the modality is keyboard. Otherwise, the modality is not keyboard.\n * Apply `focus-visible` to any current active element and keep track\n * of our keyboard modality state with `hadKeyboardEvent`.\n * @param {KeyboardEvent} e\n */\n function onKeyDown(e) {\n if (e.metaKey || e.altKey || e.ctrlKey) {\n return;\n }\n\n if (isValidFocusTarget(scope.activeElement)) {\n addFocusVisibleClass(scope.activeElement);\n }\n\n hadKeyboardEvent = true;\n }\n\n /**\n * If at any point a user clicks with a pointing device, ensure that we change\n * the modality away from keyboard.\n * This avoids the situation where a user presses a key on an already focused\n * element, and then clicks on a different element, focusing it with a\n * pointing device, while we still think we're in keyboard modality.\n * @param {Event} e\n */\n function onPointerDown(e) {\n hadKeyboardEvent = false;\n }\n\n /**\n * On `focus`, add the `focus-visible` class to the target if:\n * - the target received focus as a result of keyboard navigation, or\n * - the event target is an element that will likely require interaction\n * via the keyboard (e.g. a text box)\n * @param {Event} e\n */\n function onFocus(e) {\n // Prevent IE from focusing the document or HTML element.\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n addFocusVisibleClass(e.target);\n }\n }\n\n /**\n * On `blur`, remove the `focus-visible` class from the target.\n * @param {Event} e\n */\n function onBlur(e) {\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (\n e.target.classList.contains('focus-visible') ||\n e.target.hasAttribute('data-focus-visible-added')\n ) {\n // To detect a tab/window switch, we look for a blur event followed\n // rapidly by a visibility change.\n // If we don't see a visibility change within 100ms, it's probably a\n // regular focus change.\n hadFocusVisibleRecently = true;\n window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n hadFocusVisibleRecently = false;\n }, 100);\n removeFocusVisibleClass(e.target);\n }\n }\n\n /**\n * If the user changes tabs, keep track of whether or not the previously\n * focused element had .focus-visible.\n * @param {Event} e\n */\n function onVisibilityChange(e) {\n if (document.visibilityState === 'hidden') {\n // If the tab becomes active again, the browser will handle calling focus\n // on the element (Safari actually calls it twice).\n // If this tab change caused a blur on an element with focus-visible,\n // re-apply the class when the user switches back to the tab.\n if (hadFocusVisibleRecently) {\n hadKeyboardEvent = true;\n }\n addInitialPointerMoveListeners();\n }\n }\n\n /**\n * Add a group of listeners to detect usage of any pointing devices.\n * These listeners will be added when the polyfill first loads, and anytime\n * the window is blurred, so that they are active when the window regains\n * focus.\n */\n function addInitialPointerMoveListeners() {\n document.addEventListener('mousemove', onInitialPointerMove);\n document.addEventListener('mousedown', onInitialPointerMove);\n document.addEventListener('mouseup', onInitialPointerMove);\n document.addEventListener('pointermove', onInitialPointerMove);\n document.addEventListener('pointerdown', onInitialPointerMove);\n document.addEventListener('pointerup', onInitialPointerMove);\n document.addEventListener('touchmove', onInitialPointerMove);\n document.addEventListener('touchstart', onInitialPointerMove);\n document.addEventListener('touchend', onInitialPointerMove);\n }\n\n function removeInitialPointerMoveListeners() {\n document.removeEventListener('mousemove', onInitialPointerMove);\n document.removeEventListener('mousedown', onInitialPointerMove);\n document.removeEventListener('mouseup', onInitialPointerMove);\n document.removeEventListener('pointermove', onInitialPointerMove);\n document.removeEventListener('pointerdown', onInitialPointerMove);\n document.removeEventListener('pointerup', onInitialPointerMove);\n document.removeEventListener('touchmove', onInitialPointerMove);\n document.removeEventListener('touchstart', onInitialPointerMove);\n document.removeEventListener('touchend', onInitialPointerMove);\n }\n\n /**\n * When the polfyill first loads, assume the user is in keyboard modality.\n * If any event is received from a pointing device (e.g. mouse, pointer,\n * touch), turn off keyboard modality.\n * This accounts for situations where focus enters the page from the URL bar.\n * @param {Event} e\n */\n function onInitialPointerMove(e) {\n // Work around a Safari quirk that fires a mousemove on whenever the\n // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n return;\n }\n\n hadKeyboardEvent = false;\n removeInitialPointerMoveListeners();\n }\n\n // For some kinds of state, we are interested in changes at the global scope\n // only. For example, global pointer input, global key presses and global\n // visibility change should affect the state at every scope:\n document.addEventListener('keydown', onKeyDown, true);\n document.addEventListener('mousedown', onPointerDown, true);\n document.addEventListener('pointerdown', onPointerDown, true);\n document.addEventListener('touchstart', onPointerDown, true);\n document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n addInitialPointerMoveListeners();\n\n // For focus and blur, we specifically care about state changes in the local\n // scope. This is because focus / blur events that originate from within a\n // shadow root are not re-dispatched from the host element if it was already\n // the active element in its own scope:\n scope.addEventListener('focus', onFocus, true);\n scope.addEventListener('blur', onBlur, true);\n\n // We detect that a node is a ShadowRoot by ensuring that it is a\n // DocumentFragment and also has a host property. This check covers native\n // implementation and polyfill implementation transparently. If we only cared\n // about the native implementation, we could just check if the scope was\n // an instance of a ShadowRoot.\n if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n // have a root element to add a class to. So, we add this attribute to the\n // host element instead:\n scope.host.setAttribute('data-js-focus-visible', '');\n } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n document.documentElement.classList.add('js-focus-visible');\n document.documentElement.setAttribute('data-js-focus-visible', '');\n }\n }\n\n // It is important to wrap all references to global window and document in\n // these checks to support server-side rendering use cases\n // @see https://github.com/WICG/focus-visible/issues/199\n if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n // Make the polyfill helper globally available. This can be used as a signal\n // to interested libraries that wish to coordinate with the polyfill for e.g.,\n // applying the polyfill to a shadow root:\n window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n // Notify interested libraries of the polyfill's presence, in case the\n // polyfill was loaded lazily:\n var event;\n\n try {\n event = new CustomEvent('focus-visible-polyfill-ready');\n } catch (error) {\n // IE11 does not support using CustomEvent as a constructor directly:\n event = document.createEvent('CustomEvent');\n event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n }\n\n window.dispatchEvent(event);\n }\n\n if (typeof document !== 'undefined') {\n // Apply the polyfill to the global document, so that no JavaScript\n // coordination is required to use the polyfill in the top-level document:\n applyFocusVisiblePolyfill(document);\n }\n\n})));\n", "/*!\n * clipboard.js v2.0.11\n * https://clipboardjs.com/\n *\n * Licensed MIT \u00A9 Zeno Rocha\n */\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardJS\"] = factory();\n\telse\n\t\troot[\"ClipboardJS\"] = factory();\n})(this, function() {\nreturn /******/ (function() { // webpackBootstrap\n/******/ \tvar __webpack_modules__ = ({\n\n/***/ 686:\n/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n\n// EXPORTS\n__webpack_require__.d(__webpack_exports__, {\n \"default\": function() { return /* binding */ clipboard; }\n});\n\n// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js\nvar tiny_emitter = __webpack_require__(279);\nvar tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);\n// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js\nvar listen = __webpack_require__(370);\nvar listen_default = /*#__PURE__*/__webpack_require__.n(listen);\n// EXTERNAL MODULE: ./node_modules/select/src/select.js\nvar src_select = __webpack_require__(817);\nvar select_default = /*#__PURE__*/__webpack_require__.n(src_select);\n;// CONCATENATED MODULE: ./src/common/command.js\n/**\n * Executes a given operation type.\n * @param {String} type\n * @return {Boolean}\n */\nfunction command(type) {\n try {\n return document.execCommand(type);\n } catch (err) {\n return false;\n }\n}\n;// CONCATENATED MODULE: ./src/actions/cut.js\n\n\n/**\n * Cut action wrapper.\n * @param {String|HTMLElement} target\n * @return {String}\n */\n\nvar ClipboardActionCut = function ClipboardActionCut(target) {\n var selectedText = select_default()(target);\n command('cut');\n return selectedText;\n};\n\n/* harmony default export */ var actions_cut = (ClipboardActionCut);\n;// CONCATENATED MODULE: ./src/common/create-fake-element.js\n/**\n * Creates a fake textarea element with a value.\n * @param {String} value\n * @return {HTMLElement}\n */\nfunction createFakeElement(value) {\n var isRTL = document.documentElement.getAttribute('dir') === 'rtl';\n var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS\n\n fakeElement.style.fontSize = '12pt'; // Reset box model\n\n fakeElement.style.border = '0';\n fakeElement.style.padding = '0';\n fakeElement.style.margin = '0'; // Move element out of screen horizontally\n\n fakeElement.style.position = 'absolute';\n fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically\n\n var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n fakeElement.style.top = \"\".concat(yPosition, \"px\");\n fakeElement.setAttribute('readonly', '');\n fakeElement.value = value;\n return fakeElement;\n}\n;// CONCATENATED MODULE: ./src/actions/copy.js\n\n\n\n/**\n * Create fake copy action wrapper using a fake element.\n * @param {String} target\n * @param {Object} options\n * @return {String}\n */\n\nvar fakeCopyAction = function fakeCopyAction(value, options) {\n var fakeElement = createFakeElement(value);\n options.container.appendChild(fakeElement);\n var selectedText = select_default()(fakeElement);\n command('copy');\n fakeElement.remove();\n return selectedText;\n};\n/**\n * Copy action wrapper.\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @return {String}\n */\n\n\nvar ClipboardActionCopy = function ClipboardActionCopy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n var selectedText = '';\n\n if (typeof target === 'string') {\n selectedText = fakeCopyAction(target, options);\n } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {\n // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange\n selectedText = fakeCopyAction(target.value, options);\n } else {\n selectedText = select_default()(target);\n command('copy');\n }\n\n return selectedText;\n};\n\n/* harmony default export */ var actions_copy = (ClipboardActionCopy);\n;// CONCATENATED MODULE: ./src/actions/default.js\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\n/**\n * Inner function which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n * @param {Object} options\n */\n\nvar ClipboardActionDefault = function ClipboardActionDefault() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n // Defines base properties passed from constructor.\n var _options$action = options.action,\n action = _options$action === void 0 ? 'copy' : _options$action,\n container = options.container,\n target = options.target,\n text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.\n\n if (action !== 'copy' && action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n } // Sets the `target` property using an element that will be have its content copied.\n\n\n if (target !== undefined) {\n if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n if (action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n } // Define selection strategy based on `text` property.\n\n\n if (text) {\n return actions_copy(text, {\n container: container\n });\n } // Defines which selection strategy based on `target` property.\n\n\n if (target) {\n return action === 'cut' ? actions_cut(target) : actions_copy(target, {\n container: container\n });\n }\n};\n\n/* harmony default export */ var actions_default = (ClipboardActionDefault);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n var attribute = \"data-clipboard-\".concat(suffix);\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n var _super = _createSuper(Clipboard);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n var _this;\n\n _classCallCheck(this, Clipboard);\n\n _this = _super.call(this);\n\n _this.resolveOptions(options);\n\n _this.listenClick(trigger);\n\n return _this;\n }\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n _createClass(Clipboard, [{\n key: \"resolveOptions\",\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: \"listenClick\",\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: \"onClick\",\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n var action = this.action(trigger) || 'copy';\n var text = actions_default({\n action: action,\n container: this.container,\n target: this.target(trigger),\n text: this.text(trigger)\n }); // Fires an event based on the copy operation result.\n\n this.emit(text ? 'success' : 'error', {\n action: action,\n text: text,\n trigger: trigger,\n clearSelection: function clearSelection() {\n if (trigger) {\n trigger.focus();\n }\n\n window.getSelection().removeAllRanges();\n }\n });\n }\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultAction\",\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultTarget\",\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n /**\n * Allow fire programmatically a copy action\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @returns Text copied.\n */\n\n }, {\n key: \"defaultText\",\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.listener.destroy();\n }\n }], [{\n key: \"copy\",\n value: function copy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n return actions_copy(target, options);\n }\n /**\n * Allow fire programmatically a cut action\n * @param {String|HTMLElement} target\n * @returns Text cutted.\n */\n\n }, {\n key: \"cut\",\n value: function cut(target) {\n return actions_cut(target);\n }\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: \"isSupported\",\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n return support;\n }\n }]);\n\n return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from 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liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(686);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "/*\n * Copyright (c) 2016-2024 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\n\nimport {\n EMPTY,\n NEVER,\n Observable,\n Subject,\n defer,\n delay,\n filter,\n map,\n merge,\n mergeWith,\n shareReplay,\n switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n at,\n getActiveElement,\n getOptionalElement,\n requestJSON,\n setLocation,\n setToggle,\n watchDocument,\n watchKeyboard,\n watchLocation,\n watchLocationTarget,\n watchMedia,\n watchPrint,\n watchScript,\n watchViewport\n} from \"./browser\"\nimport {\n getComponentElement,\n getComponentElements,\n mountAnnounce,\n mountBackToTop,\n mountConsent,\n mountContent,\n mountDialog,\n mountHeader,\n mountHeaderTitle,\n mountPalette,\n mountProgress,\n mountSearch,\n mountSearchHiglight,\n mountSidebar,\n mountSource,\n mountTableOfContents,\n mountTabs,\n watchHeader,\n watchMain\n} from \"./components\"\nimport {\n SearchIndex,\n setupClipboardJS,\n setupInstantNavigation,\n setupVersionSelector\n} from \"./integrations\"\nimport {\n patchEllipsis,\n patchIndeterminate,\n patchScrollfix,\n patchScrolllock\n} from \"./patches\"\nimport \"./polyfills\"\n\n/* ----------------------------------------------------------------------------\n * Functions - @todo refactor\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch search index\n *\n * @returns Search index observable\n */\nfunction fetchSearchIndex(): Observable {\n if (location.protocol === \"file:\") {\n return watchScript(\n `${new URL(\"search/search_index.js\", config.base)}`\n )\n .pipe(\n // @ts-ignore - @todo fix typings\n map(() => __index),\n shareReplay(1)\n )\n } else {\n return requestJSON(\n new URL(\"search/search_index.json\", config.base)\n )\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$ = watchLocationTarget(location$)\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$ = watchMedia(\"(min-width: 960px)\")\nconst screen$ = watchMedia(\"(min-width: 1220px)\")\nconst print$ = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n ? fetchSearchIndex()\n : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject()\nsetupClipboardJS({ alert$ })\n\n/* Set up progress indicator */\nconst progress$ = new Subject()\n\n/* Set up instant navigation, if enabled */\nif (feature(\"navigation.instant\"))\n setupInstantNavigation({ location$, viewport$, progress$ })\n .subscribe(document$)\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n setupVersionSelector({ document$ })\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n .pipe(\n delay(125)\n )\n .subscribe(() => {\n setToggle(\"drawer\", false)\n setToggle(\"search\", false)\n })\n\n/* Set up global keyboard handlers */\nkeyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Go to previous page */\n case \"p\":\n case \",\":\n const prev = getOptionalElement(\"link[rel=prev]\")\n if (typeof prev !== \"undefined\")\n setLocation(prev)\n break\n\n /* Go to next page */\n case \"n\":\n case \".\":\n const next = getOptionalElement(\"link[rel=next]\")\n if (typeof next !== \"undefined\")\n setLocation(next)\n break\n\n /* Expand navigation, see https://bit.ly/3ZjG5io */\n case \"Enter\":\n const active = getActiveElement()\n if (active instanceof HTMLLabelElement)\n active.click()\n }\n })\n\n/* Set up patches */\npatchEllipsis({ viewport$, document$ })\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n .pipe(\n map(() => getComponentElement(\"main\")),\n switchMap(el => watchMain(el, { viewport$, header$ })),\n shareReplay(1)\n )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n /* Consent */\n ...getComponentElements(\"consent\")\n .map(el => mountConsent(el, { target$ })),\n\n /* Dialog */\n ...getComponentElements(\"dialog\")\n .map(el => mountDialog(el, { alert$ })),\n\n /* Header */\n ...getComponentElements(\"header\")\n .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n /* Color palette */\n ...getComponentElements(\"palette\")\n .map(el => mountPalette(el)),\n\n /* Progress bar */\n ...getComponentElements(\"progress\")\n .map(el => mountProgress(el, { progress$ })),\n\n /* Search */\n ...getComponentElements(\"search\")\n .map(el => mountSearch(el, { index$, keyboard$ })),\n\n /* Repository information */\n ...getComponentElements(\"source\")\n .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n /* Announcement bar */\n ...getComponentElements(\"announce\")\n .map(el => mountAnnounce(el)),\n\n /* Content */\n ...getComponentElements(\"content\")\n .map(el => mountContent(el, { viewport$, target$, print$ })),\n\n /* Search highlighting */\n ...getComponentElements(\"content\")\n .map(el => feature(\"search.highlight\")\n ? mountSearchHiglight(el, { index$, location$ })\n : EMPTY\n ),\n\n /* Header title */\n ...getComponentElements(\"header-title\")\n .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n /* Sidebar */\n ...getComponentElements(\"sidebar\")\n .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n ),\n\n /* Navigation tabs */\n ...getComponentElements(\"tabs\")\n .map(el => mountTabs(el, { viewport$, header$ })),\n\n /* Table of contents */\n ...getComponentElements(\"toc\")\n .map(el => mountTableOfContents(el, {\n viewport$, header$, main$, target$\n })),\n\n /* Back-to-top button */\n ...getComponentElements(\"top\")\n .map(el => mountBackToTop(el, { viewport$, header$, main$, target$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n .pipe(\n switchMap(() => content$),\n mergeWith(control$),\n shareReplay(1)\n )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$ = document$ /* Document observable */\nwindow.location$ = location$ /* Location subject */\nwindow.target$ = target$ /* Location target observable */\nwindow.keyboard$ = keyboard$ /* Keyboard observable */\nwindow.viewport$ = viewport$ /* Viewport observable */\nwindow.tablet$ = tablet$ /* Media tablet observable */\nwindow.screen$ = screen$ /* Media screen observable */\nwindow.print$ = print$ /* Media print observable */\nwindow.alert$ = alert$ /* Alert subject */\nwindow.progress$ = progress$ /* Progress indicator subject */\nwindow.component$ = component$ /* Component observable */\n", "/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n}\r\n\r\nexport function __spreadArray(to, from, pack) {\r\n if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\r\n if (ar || !(i in from)) {\r\n if (!ar) ar = Array.prototype.slice.call(from, 0, i);\r\n ar[i] = from[i];\r\n }\r\n }\r\n return to.concat(ar || Array.prototype.slice.call(from));\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\r\n return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\r\n if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\r\n return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\r\n}\r\n", "/**\n * Returns true if the object is a function.\n * @param value The value to check\n */\nexport function isFunction(value: any): value is (...args: any[]) => any {\n return typeof value === 'function';\n}\n", "/**\n * Used to create Error subclasses until the community moves away from ES5.\n *\n * This is because compiling from TypeScript down to ES5 has issues with subclassing Errors\n * as well as other built-in types: https://github.com/Microsoft/TypeScript/issues/12123\n *\n * @param createImpl A factory function to create the actual constructor implementation. The returned\n * function should be a named function that calls `_super` internally.\n */\nexport function createErrorClass(createImpl: (_super: any) => any): T {\n const _super = (instance: any) => {\n Error.call(instance);\n instance.stack = new Error().stack;\n };\n\n const ctorFunc = createImpl(_super);\n ctorFunc.prototype = Object.create(Error.prototype);\n ctorFunc.prototype.constructor = ctorFunc;\n return ctorFunc;\n}\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface UnsubscriptionError extends Error {\n readonly errors: any[];\n}\n\nexport interface UnsubscriptionErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (errors: any[]): UnsubscriptionError;\n}\n\n/**\n * An error thrown when one or more errors have occurred during the\n * `unsubscribe` of a {@link Subscription}.\n */\nexport const UnsubscriptionError: UnsubscriptionErrorCtor = createErrorClass(\n (_super) =>\n function UnsubscriptionErrorImpl(this: any, errors: (Error | string)[]) {\n _super(this);\n this.message = errors\n ? `${errors.length} errors occurred during unsubscription:\n${errors.map((err, i) => `${i + 1}) ${err.toString()}`).join('\\n ')}`\n : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n }\n);\n", "/**\n * Removes an item from an array, mutating it.\n * @param arr The array to remove the item from\n * @param item The item to remove\n */\nexport function arrRemove(arr: T[] | undefined | null, item: T) {\n if (arr) {\n const index = arr.indexOf(item);\n 0 <= index && arr.splice(index, 1);\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nimport { SubscriptionLike, TeardownLogic, Unsubscribable } from './types';\nimport { arrRemove } from './util/arrRemove';\n\n/**\n * Represents a disposable resource, such as the execution of an Observable. A\n * Subscription has one important method, `unsubscribe`, that takes no argument\n * and just disposes the resource held by the subscription.\n *\n * Additionally, subscriptions may be grouped together through the `add()`\n * method, which will attach a child Subscription to the current Subscription.\n * When a Subscription is unsubscribed, all its children (and its grandchildren)\n * will be unsubscribed as well.\n *\n * @class Subscription\n */\nexport class Subscription implements SubscriptionLike {\n /** @nocollapse */\n public static EMPTY = (() => {\n const empty = new Subscription();\n empty.closed = true;\n return empty;\n })();\n\n /**\n * A flag to indicate whether this Subscription has already been unsubscribed.\n */\n public closed = false;\n\n private _parentage: Subscription[] | Subscription | null = null;\n\n /**\n * The list of registered finalizers to execute upon unsubscription. Adding and removing from this\n * list occurs in the {@link #add} and {@link #remove} methods.\n */\n private _finalizers: Exclude[] | null = null;\n\n /**\n * @param initialTeardown A function executed first as part of the finalization\n * process that is kicked off when {@link #unsubscribe} is called.\n */\n constructor(private initialTeardown?: () => void) {}\n\n /**\n * Disposes the resources held by the subscription. May, for instance, cancel\n * an ongoing Observable execution or cancel any other type of work that\n * started when the Subscription was created.\n * @return {void}\n */\n unsubscribe(): void {\n let errors: any[] | undefined;\n\n if (!this.closed) {\n this.closed = true;\n\n // Remove this from it's parents.\n const { _parentage } = this;\n if (_parentage) {\n this._parentage = null;\n if (Array.isArray(_parentage)) {\n for (const parent of _parentage) {\n parent.remove(this);\n }\n } else {\n _parentage.remove(this);\n }\n }\n\n const { initialTeardown: initialFinalizer } = this;\n if (isFunction(initialFinalizer)) {\n try {\n initialFinalizer();\n } catch (e) {\n errors = e instanceof UnsubscriptionError ? e.errors : [e];\n }\n }\n\n const { _finalizers } = this;\n if (_finalizers) {\n this._finalizers = null;\n for (const finalizer of _finalizers) {\n try {\n execFinalizer(finalizer);\n } catch (err) {\n errors = errors ?? [];\n if (err instanceof UnsubscriptionError) {\n errors = [...errors, ...err.errors];\n } else {\n errors.push(err);\n }\n }\n }\n }\n\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n }\n }\n\n /**\n * Adds a finalizer to this subscription, so that finalization will be unsubscribed/called\n * when this subscription is unsubscribed. If this subscription is already {@link #closed},\n * because it has already been unsubscribed, then whatever finalizer is passed to it\n * will automatically be executed (unless the finalizer itself is also a closed subscription).\n *\n * Closed Subscriptions cannot be added as finalizers to any subscription. Adding a closed\n * subscription to a any subscription will result in no operation. (A noop).\n *\n * Adding a subscription to itself, or adding `null` or `undefined` will not perform any\n * operation at all. (A noop).\n *\n * `Subscription` instances that are added to this instance will automatically remove themselves\n * if they are unsubscribed. Functions and {@link Unsubscribable} objects that you wish to remove\n * will need to be removed manually with {@link #remove}\n *\n * @param teardown The finalization logic to add to this subscription.\n */\n add(teardown: TeardownLogic): void {\n // Only add the finalizer if it's not undefined\n // and don't add a subscription to itself.\n if (teardown && teardown !== this) {\n if (this.closed) {\n // If this subscription is already closed,\n // execute whatever finalizer is handed to it automatically.\n execFinalizer(teardown);\n } else {\n if (teardown instanceof Subscription) {\n // We don't add closed subscriptions, and we don't add the same subscription\n // twice. Subscription unsubscribe is idempotent.\n if (teardown.closed || teardown._hasParent(this)) {\n return;\n }\n teardown._addParent(this);\n }\n (this._finalizers = this._finalizers ?? []).push(teardown);\n }\n }\n }\n\n /**\n * Checks to see if a this subscription already has a particular parent.\n * This will signal that this subscription has already been added to the parent in question.\n * @param parent the parent to check for\n */\n private _hasParent(parent: Subscription) {\n const { _parentage } = this;\n return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));\n }\n\n /**\n * Adds a parent to this subscription so it can be removed from the parent if it\n * unsubscribes on it's own.\n *\n * NOTE: THIS ASSUMES THAT {@link _hasParent} HAS ALREADY BEEN CHECKED.\n * @param parent The parent subscription to add\n */\n private _addParent(parent: Subscription) {\n const { _parentage } = this;\n this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;\n }\n\n /**\n * Called on a child when it is removed via {@link #remove}.\n * @param parent The parent to remove\n */\n private _removeParent(parent: Subscription) {\n const { _parentage } = this;\n if (_parentage === parent) {\n this._parentage = null;\n } else if (Array.isArray(_parentage)) {\n arrRemove(_parentage, parent);\n }\n }\n\n /**\n * Removes a finalizer from this subscription that was previously added with the {@link #add} method.\n *\n * Note that `Subscription` instances, when unsubscribed, will automatically remove themselves\n * from every other `Subscription` they have been added to. This means that using the `remove` method\n * is not a common thing and should be used thoughtfully.\n *\n * If you add the same finalizer instance of a function or an unsubscribable object to a `Subscription` instance\n * more than once, you will need to call `remove` the same number of times to remove all instances.\n *\n * All finalizer instances are removed to free up memory upon unsubscription.\n *\n * @param teardown The finalizer to remove from this subscription\n */\n remove(teardown: Exclude): void {\n const { _finalizers } = this;\n _finalizers && arrRemove(_finalizers, teardown);\n\n if (teardown instanceof Subscription) {\n teardown._removeParent(this);\n }\n }\n}\n\nexport const EMPTY_SUBSCRIPTION = Subscription.EMPTY;\n\nexport function isSubscription(value: any): value is Subscription {\n return (\n value instanceof Subscription ||\n (value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe))\n );\n}\n\nfunction execFinalizer(finalizer: Unsubscribable | (() => void)) {\n if (isFunction(finalizer)) {\n finalizer();\n } else {\n finalizer.unsubscribe();\n }\n}\n", "import { Subscriber } from './Subscriber';\nimport { ObservableNotification } from './types';\n\n/**\n * The {@link GlobalConfig} object for RxJS. It is used to configure things\n * like how to react on unhandled errors.\n */\nexport const config: GlobalConfig = {\n onUnhandledError: null,\n onStoppedNotification: null,\n Promise: undefined,\n useDeprecatedSynchronousErrorHandling: false,\n useDeprecatedNextContext: false,\n};\n\n/**\n * The global configuration object for RxJS, used to configure things\n * like how to react on unhandled errors. Accessible via {@link config}\n * object.\n */\nexport interface GlobalConfig {\n /**\n * A registration point for unhandled errors from RxJS. These are errors that\n * cannot were not handled by consuming code in the usual subscription path. For\n * example, if you have this configured, and you subscribe to an observable without\n * providing an error handler, errors from that subscription will end up here. This\n * will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onUnhandledError: ((err: any) => void) | null;\n\n /**\n * A registration point for notifications that cannot be sent to subscribers because they\n * have completed, errored or have been explicitly unsubscribed. By default, next, complete\n * and error notifications sent to stopped subscribers are noops. However, sometimes callers\n * might want a different behavior. For example, with sources that attempt to report errors\n * to stopped subscribers, a caller can configure RxJS to throw an unhandled error instead.\n * This will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onStoppedNotification: ((notification: ObservableNotification, subscriber: Subscriber) => void) | null;\n\n /**\n * The promise constructor used by default for {@link Observable#toPromise toPromise} and {@link Observable#forEach forEach}\n * methods.\n *\n * @deprecated As of version 8, RxJS will no longer support this sort of injection of a\n * Promise constructor. If you need a Promise implementation other than native promises,\n * please polyfill/patch Promise as you see appropriate. Will be removed in v8.\n */\n Promise?: PromiseConstructorLike;\n\n /**\n * If true, turns on synchronous error rethrowing, which is a deprecated behavior\n * in v6 and higher. This behavior enables bad patterns like wrapping a subscribe\n * call in a try/catch block. It also enables producer interference, a nasty bug\n * where a multicast can be broken for all observers by a downstream consumer with\n * an unhandled error. DO NOT USE THIS FLAG UNLESS IT'S NEEDED TO BUY TIME\n * FOR MIGRATION REASONS.\n *\n * @deprecated As of version 8, RxJS will no longer support synchronous throwing\n * of unhandled errors. All errors will be thrown on a separate call stack to prevent bad\n * behaviors described above. Will be removed in v8.\n */\n useDeprecatedSynchronousErrorHandling: boolean;\n\n /**\n * If true, enables an as-of-yet undocumented feature from v5: The ability to access\n * `unsubscribe()` via `this` context in `next` functions created in observers passed\n * to `subscribe`.\n *\n * This is being removed because the performance was severely problematic, and it could also cause\n * issues when types other than POJOs are passed to subscribe as subscribers, as they will likely have\n * their `this` context overwritten.\n *\n * @deprecated As of version 8, RxJS will no longer support altering the\n * context of next functions provided as part of an observer to Subscribe. Instead,\n * you will have access to a subscription or a signal or token that will allow you to do things like\n * unsubscribe and test closed status. Will be removed in v8.\n */\n useDeprecatedNextContext: boolean;\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetTimeoutFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearTimeoutFunction = (handle: TimerHandle) => void;\n\ninterface TimeoutProvider {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n delegate:\n | {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n }\n | undefined;\n}\n\nexport const timeoutProvider: TimeoutProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setTimeout(handler: () => void, timeout?: number, ...args) {\n const { delegate } = timeoutProvider;\n if (delegate?.setTimeout) {\n return delegate.setTimeout(handler, timeout, ...args);\n }\n return setTimeout(handler, timeout, ...args);\n },\n clearTimeout(handle) {\n const { delegate } = timeoutProvider;\n return (delegate?.clearTimeout || clearTimeout)(handle as any);\n },\n delegate: undefined,\n};\n", "import { config } from '../config';\nimport { timeoutProvider } from '../scheduler/timeoutProvider';\n\n/**\n * Handles an error on another job either with the user-configured {@link onUnhandledError},\n * or by throwing it on that new job so it can be picked up by `window.onerror`, `process.on('error')`, etc.\n *\n * This should be called whenever there is an error that is out-of-band with the subscription\n * or when an error hits a terminal boundary of the subscription and no error handler was provided.\n *\n * @param err the error to report\n */\nexport function reportUnhandledError(err: any) {\n timeoutProvider.setTimeout(() => {\n const { onUnhandledError } = config;\n if (onUnhandledError) {\n // Execute the user-configured error handler.\n onUnhandledError(err);\n } else {\n // Throw so it is picked up by the runtime's uncaught error mechanism.\n throw err;\n }\n });\n}\n", "/* tslint:disable:no-empty */\nexport function noop() { }\n", "import { CompleteNotification, NextNotification, ErrorNotification } from './types';\n\n/**\n * A completion object optimized for memory use and created to be the\n * same \"shape\" as other notifications in v8.\n * @internal\n */\nexport const COMPLETE_NOTIFICATION = (() => createNotification('C', undefined, undefined) as CompleteNotification)();\n\n/**\n * Internal use only. Creates an optimized error notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function errorNotification(error: any): ErrorNotification {\n return createNotification('E', undefined, error) as any;\n}\n\n/**\n * Internal use only. Creates an optimized next notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function nextNotification(value: T) {\n return createNotification('N', value, undefined) as NextNotification;\n}\n\n/**\n * Ensures that all notifications created internally have the same \"shape\" in v8.\n *\n * TODO: This is only exported to support a crazy legacy test in `groupBy`.\n * @internal\n */\nexport function createNotification(kind: 'N' | 'E' | 'C', value: any, error: any) {\n return {\n kind,\n value,\n error,\n };\n}\n", "import { config } from '../config';\n\nlet context: { errorThrown: boolean; error: any } | null = null;\n\n/**\n * Handles dealing with errors for super-gross mode. Creates a context, in which\n * any synchronously thrown errors will be passed to {@link captureError}. Which\n * will record the error such that it will be rethrown after the call back is complete.\n * TODO: Remove in v8\n * @param cb An immediately executed function.\n */\nexport function errorContext(cb: () => void) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n const isRoot = !context;\n if (isRoot) {\n context = { errorThrown: false, error: null };\n }\n cb();\n if (isRoot) {\n const { errorThrown, error } = context!;\n context = null;\n if (errorThrown) {\n throw error;\n }\n }\n } else {\n // This is the general non-deprecated path for everyone that\n // isn't crazy enough to use super-gross mode (useDeprecatedSynchronousErrorHandling)\n cb();\n }\n}\n\n/**\n * Captures errors only in super-gross mode.\n * @param err the error to capture\n */\nexport function captureError(err: any) {\n if (config.useDeprecatedSynchronousErrorHandling && context) {\n context.errorThrown = true;\n context.error = err;\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { Observer, ObservableNotification } from './types';\nimport { isSubscription, Subscription } from './Subscription';\nimport { config } from './config';\nimport { reportUnhandledError } from './util/reportUnhandledError';\nimport { noop } from './util/noop';\nimport { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';\nimport { timeoutProvider } from './scheduler/timeoutProvider';\nimport { captureError } from './util/errorContext';\n\n/**\n * Implements the {@link Observer} interface and extends the\n * {@link Subscription} class. While the {@link Observer} is the public API for\n * consuming the values of an {@link Observable}, all Observers get converted to\n * a Subscriber, in order to provide Subscription-like capabilities such as\n * `unsubscribe`. Subscriber is a common type in RxJS, and crucial for\n * implementing operators, but it is rarely used as a public API.\n *\n * @class Subscriber\n */\nexport class Subscriber extends Subscription implements Observer {\n /**\n * A static factory for a Subscriber, given a (potentially partial) definition\n * of an Observer.\n * @param next The `next` callback of an Observer.\n * @param error The `error` callback of an\n * Observer.\n * @param complete The `complete` callback of an\n * Observer.\n * @return A Subscriber wrapping the (partially defined)\n * Observer represented by the given arguments.\n * @nocollapse\n * @deprecated Do not use. Will be removed in v8. There is no replacement for this\n * method, and there is no reason to be creating instances of `Subscriber` directly.\n * If you have a specific use case, please file an issue.\n */\n static create(next?: (x?: T) => void, error?: (e?: any) => void, complete?: () => void): Subscriber {\n return new SafeSubscriber(next, error, complete);\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected isStopped: boolean = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected destination: Subscriber | Observer; // this `any` is the escape hatch to erase extra type param (e.g. R)\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * There is no reason to directly create an instance of Subscriber. This type is exported for typings reasons.\n */\n constructor(destination?: Subscriber | Observer) {\n super();\n if (destination) {\n this.destination = destination;\n // Automatically chain subscriptions together here.\n // if destination is a Subscription, then it is a Subscriber.\n if (isSubscription(destination)) {\n destination.add(this);\n }\n } else {\n this.destination = EMPTY_OBSERVER;\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `next` from\n * the Observable, with a value. The Observable may call this method 0 or more\n * times.\n * @param {T} [value] The `next` value.\n * @return {void}\n */\n next(value?: T): void {\n if (this.isStopped) {\n handleStoppedNotification(nextNotification(value), this);\n } else {\n this._next(value!);\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `error` from\n * the Observable, with an attached `Error`. Notifies the Observer that\n * the Observable has experienced an error condition.\n * @param {any} [err] The `error` exception.\n * @return {void}\n */\n error(err?: any): void {\n if (this.isStopped) {\n handleStoppedNotification(errorNotification(err), this);\n } else {\n this.isStopped = true;\n this._error(err);\n }\n }\n\n /**\n * The {@link Observer} callback to receive a valueless notification of type\n * `complete` from the Observable. Notifies the Observer that the Observable\n * has finished sending push-based notifications.\n * @return {void}\n */\n complete(): void {\n if (this.isStopped) {\n handleStoppedNotification(COMPLETE_NOTIFICATION, this);\n } else {\n this.isStopped = true;\n this._complete();\n }\n }\n\n unsubscribe(): void {\n if (!this.closed) {\n this.isStopped = true;\n super.unsubscribe();\n this.destination = null!;\n }\n }\n\n protected _next(value: T): void {\n this.destination.next(value);\n }\n\n protected _error(err: any): void {\n try {\n this.destination.error(err);\n } finally {\n this.unsubscribe();\n }\n }\n\n protected _complete(): void {\n try {\n this.destination.complete();\n } finally {\n this.unsubscribe();\n }\n }\n}\n\n/**\n * This bind is captured here because we want to be able to have\n * compatibility with monoid libraries that tend to use a method named\n * `bind`. In particular, a library called Monio requires this.\n */\nconst _bind = Function.prototype.bind;\n\nfunction bind any>(fn: Fn, thisArg: any): Fn {\n return _bind.call(fn, thisArg);\n}\n\n/**\n * Internal optimization only, DO NOT EXPOSE.\n * @internal\n */\nclass ConsumerObserver implements Observer {\n constructor(private partialObserver: Partial>) {}\n\n next(value: T): void {\n const { partialObserver } = this;\n if (partialObserver.next) {\n try {\n partialObserver.next(value);\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n\n error(err: any): void {\n const { partialObserver } = this;\n if (partialObserver.error) {\n try {\n partialObserver.error(err);\n } catch (error) {\n handleUnhandledError(error);\n }\n } else {\n handleUnhandledError(err);\n }\n }\n\n complete(): void {\n const { partialObserver } = this;\n if (partialObserver.complete) {\n try {\n partialObserver.complete();\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n}\n\nexport class SafeSubscriber extends Subscriber {\n constructor(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((e?: any) => void) | null,\n complete?: (() => void) | null\n ) {\n super();\n\n let partialObserver: Partial>;\n if (isFunction(observerOrNext) || !observerOrNext) {\n // The first argument is a function, not an observer. The next\n // two arguments *could* be observers, or they could be empty.\n partialObserver = {\n next: (observerOrNext ?? undefined) as (((value: T) => void) | undefined),\n error: error ?? undefined,\n complete: complete ?? undefined,\n };\n } else {\n // The first argument is a partial observer.\n let context: any;\n if (this && config.useDeprecatedNextContext) {\n // This is a deprecated path that made `this.unsubscribe()` available in\n // next handler functions passed to subscribe. This only exists behind a flag\n // now, as it is *very* slow.\n context = Object.create(observerOrNext);\n context.unsubscribe = () => this.unsubscribe();\n partialObserver = {\n next: observerOrNext.next && bind(observerOrNext.next, context),\n error: observerOrNext.error && bind(observerOrNext.error, context),\n complete: observerOrNext.complete && bind(observerOrNext.complete, context),\n };\n } else {\n // The \"normal\" path. Just use the partial observer directly.\n partialObserver = observerOrNext;\n }\n }\n\n // Wrap the partial observer to ensure it's a full observer, and\n // make sure proper error handling is accounted for.\n this.destination = new ConsumerObserver(partialObserver);\n }\n}\n\nfunction handleUnhandledError(error: any) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n captureError(error);\n } else {\n // Ideal path, we report this as an unhandled error,\n // which is thrown on a new call stack.\n reportUnhandledError(error);\n }\n}\n\n/**\n * An error handler used when no error handler was supplied\n * to the SafeSubscriber -- meaning no error handler was supplied\n * do the `subscribe` call on our observable.\n * @param err The error to handle\n */\nfunction defaultErrorHandler(err: any) {\n throw err;\n}\n\n/**\n * A handler for notifications that cannot be sent to a stopped subscriber.\n * @param notification The notification being sent\n * @param subscriber The stopped subscriber\n */\nfunction handleStoppedNotification(notification: ObservableNotification, subscriber: Subscriber) {\n const { onStoppedNotification } = config;\n onStoppedNotification && timeoutProvider.setTimeout(() => onStoppedNotification(notification, subscriber));\n}\n\n/**\n * The observer used as a stub for subscriptions where the user did not\n * pass any arguments to `subscribe`. Comes with the default error handling\n * behavior.\n */\nexport const EMPTY_OBSERVER: Readonly> & { closed: true } = {\n closed: true,\n next: noop,\n error: defaultErrorHandler,\n complete: noop,\n};\n", "/**\n * Symbol.observable or a string \"@@observable\". Used for interop\n *\n * @deprecated We will no longer be exporting this symbol in upcoming versions of RxJS.\n * Instead polyfill and use Symbol.observable directly *or* use https://www.npmjs.com/package/symbol-observable\n */\nexport const observable: string | symbol = (() => (typeof Symbol === 'function' && Symbol.observable) || '@@observable')();\n", "/**\n * This function takes one parameter and just returns it. Simply put,\n * this is like `(x: T): T => x`.\n *\n * ## Examples\n *\n * This is useful in some cases when using things like `mergeMap`\n *\n * ```ts\n * import { interval, take, map, range, mergeMap, identity } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(5));\n *\n * const result$ = source$.pipe(\n * map(i => range(i)),\n * mergeMap(identity) // same as mergeMap(x => x)\n * );\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * Or when you want to selectively apply an operator\n *\n * ```ts\n * import { interval, take, identity } from 'rxjs';\n *\n * const shouldLimit = () => Math.random() < 0.5;\n *\n * const source$ = interval(1000);\n *\n * const result$ = source$.pipe(shouldLimit() ? take(5) : identity);\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * @param x Any value that is returned by this function\n * @returns The value passed as the first parameter to this function\n */\nexport function identity(x: T): T {\n return x;\n}\n", "import { identity } from './identity';\nimport { UnaryFunction } from '../types';\n\nexport function pipe(): typeof identity;\nexport function pipe(fn1: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction, fn3: UnaryFunction): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction,\n ...fns: UnaryFunction[]\n): UnaryFunction;\n\n/**\n * pipe() can be called on one or more functions, each of which can take one argument (\"UnaryFunction\")\n * and uses it to return a value.\n * It returns a function that takes one argument, passes it to the first UnaryFunction, and then\n * passes the result to the next one, passes that result to the next one, and so on. \n */\nexport function pipe(...fns: Array>): UnaryFunction {\n return pipeFromArray(fns);\n}\n\n/** @internal */\nexport function pipeFromArray(fns: Array>): UnaryFunction {\n if (fns.length === 0) {\n return identity as UnaryFunction;\n }\n\n if (fns.length === 1) {\n return fns[0];\n }\n\n return function piped(input: T): R {\n return fns.reduce((prev: any, fn: UnaryFunction) => fn(prev), input as any);\n };\n}\n", "import { Operator } from './Operator';\nimport { SafeSubscriber, Subscriber } from './Subscriber';\nimport { isSubscription, Subscription } from './Subscription';\nimport { TeardownLogic, OperatorFunction, Subscribable, Observer } from './types';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nimport { isFunction } from './util/isFunction';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A representation of any set of values over any amount of time. This is the most basic building block\n * of RxJS.\n *\n * @class Observable\n */\nexport class Observable implements Subscribable {\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n source: Observable | undefined;\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n operator: Operator | undefined;\n\n /**\n * @constructor\n * @param {Function} subscribe the function that is called when the Observable is\n * initially subscribed to. This function is given a Subscriber, to which new values\n * can be `next`ed, or an `error` method can be called to raise an error, or\n * `complete` can be called to notify of a successful completion.\n */\n constructor(subscribe?: (this: Observable, subscriber: Subscriber) => TeardownLogic) {\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n\n // HACK: Since TypeScript inherits static properties too, we have to\n // fight against TypeScript here so Subject can have a different static create signature\n /**\n * Creates a new Observable by calling the Observable constructor\n * @owner Observable\n * @method create\n * @param {Function} subscribe? the subscriber function to be passed to the Observable constructor\n * @return {Observable} a new observable\n * @nocollapse\n * @deprecated Use `new Observable()` instead. Will be removed in v8.\n */\n static create: (...args: any[]) => any = (subscribe?: (subscriber: Subscriber) => TeardownLogic) => {\n return new Observable(subscribe);\n };\n\n /**\n * Creates a new Observable, with this Observable instance as the source, and the passed\n * operator defined as the new observable's operator.\n * @method lift\n * @param operator the operator defining the operation to take on the observable\n * @return a new observable with the Operator applied\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * If you have implemented an operator using `lift`, it is recommended that you create an\n * operator by simply returning `new Observable()` directly. See \"Creating new operators from\n * scratch\" section here: https://rxjs.dev/guide/operators\n */\n lift(operator?: Operator): Observable {\n const observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n }\n\n subscribe(observerOrNext?: Partial> | ((value: T) => void)): Subscription;\n /** @deprecated Instead of passing separate callback arguments, use an observer argument. Signatures taking separate callback arguments will be removed in v8. Details: https://rxjs.dev/deprecations/subscribe-arguments */\n subscribe(next?: ((value: T) => void) | null, error?: ((error: any) => void) | null, complete?: (() => void) | null): Subscription;\n /**\n * Invokes an execution of an Observable and registers Observer handlers for notifications it will emit.\n *\n * Use it when you have all these Observables, but still nothing is happening.\n *\n * `subscribe` is not a regular operator, but a method that calls Observable's internal `subscribe` function. It\n * might be for example a function that you passed to Observable's constructor, but most of the time it is\n * a library implementation, which defines what will be emitted by an Observable, and when it be will emitted. This means\n * that calling `subscribe` is actually the moment when Observable starts its work, not when it is created, as it is often\n * the thought.\n *\n * Apart from starting the execution of an Observable, this method allows you to listen for values\n * that an Observable emits, as well as for when it completes or errors. You can achieve this in two\n * of the following ways.\n *\n * The first way is creating an object that implements {@link Observer} interface. It should have methods\n * defined by that interface, but note that it should be just a regular JavaScript object, which you can create\n * yourself in any way you want (ES6 class, classic function constructor, object literal etc.). In particular, do\n * not attempt to use any RxJS implementation details to create Observers - you don't need them. Remember also\n * that your object does not have to implement all methods. If you find yourself creating a method that doesn't\n * do anything, you can simply omit it. Note however, if the `error` method is not provided and an error happens,\n * it will be thrown asynchronously. Errors thrown asynchronously cannot be caught using `try`/`catch`. Instead,\n * use the {@link onUnhandledError} configuration option or use a runtime handler (like `window.onerror` or\n * `process.on('error)`) to be notified of unhandled errors. Because of this, it's recommended that you provide\n * an `error` method to avoid missing thrown errors.\n *\n * The second way is to give up on Observer object altogether and simply provide callback functions in place of its methods.\n * This means you can provide three functions as arguments to `subscribe`, where the first function is equivalent\n * of a `next` method, the second of an `error` method and the third of a `complete` method. Just as in case of an Observer,\n * if you do not need to listen for something, you can omit a function by passing `undefined` or `null`,\n * since `subscribe` recognizes these functions by where they were placed in function call. When it comes\n * to the `error` function, as with an Observer, if not provided, errors emitted by an Observable will be thrown asynchronously.\n *\n * You can, however, subscribe with no parameters at all. This may be the case where you're not interested in terminal events\n * and you also handled emissions internally by using operators (e.g. using `tap`).\n *\n * Whichever style of calling `subscribe` you use, in both cases it returns a Subscription object.\n * This object allows you to call `unsubscribe` on it, which in turn will stop the work that an Observable does and will clean\n * up all resources that an Observable used. Note that cancelling a subscription will not call `complete` callback\n * provided to `subscribe` function, which is reserved for a regular completion signal that comes from an Observable.\n *\n * Remember that callbacks provided to `subscribe` are not guaranteed to be called asynchronously.\n * It is an Observable itself that decides when these functions will be called. For example {@link of}\n * by default emits all its values synchronously. Always check documentation for how given Observable\n * will behave when subscribed and if its default behavior can be modified with a `scheduler`.\n *\n * #### Examples\n *\n * Subscribe with an {@link guide/observer Observer}\n *\n * ```ts\n * import { of } from 'rxjs';\n *\n * const sumObserver = {\n * sum: 0,\n * next(value) {\n * console.log('Adding: ' + value);\n * this.sum = this.sum + value;\n * },\n * error() {\n * // We actually could just remove this method,\n * // since we do not really care about errors right now.\n * },\n * complete() {\n * console.log('Sum equals: ' + this.sum);\n * }\n * };\n *\n * of(1, 2, 3) // Synchronously emits 1, 2, 3 and then completes.\n * .subscribe(sumObserver);\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Subscribe with functions ({@link deprecations/subscribe-arguments deprecated})\n *\n * ```ts\n * import { of } from 'rxjs'\n *\n * let sum = 0;\n *\n * of(1, 2, 3).subscribe(\n * value => {\n * console.log('Adding: ' + value);\n * sum = sum + value;\n * },\n * undefined,\n * () => console.log('Sum equals: ' + sum)\n * );\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Cancel a subscription\n *\n * ```ts\n * import { interval } from 'rxjs';\n *\n * const subscription = interval(1000).subscribe({\n * next(num) {\n * console.log(num)\n * },\n * complete() {\n * // Will not be called, even when cancelling subscription.\n * console.log('completed!');\n * }\n * });\n *\n * setTimeout(() => {\n * subscription.unsubscribe();\n * console.log('unsubscribed!');\n * }, 2500);\n *\n * // Logs:\n * // 0 after 1s\n * // 1 after 2s\n * // 'unsubscribed!' after 2.5s\n * ```\n *\n * @param {Observer|Function} observerOrNext (optional) Either an observer with methods to be called,\n * or the first of three possible handlers, which is the handler for each value emitted from the subscribed\n * Observable.\n * @param {Function} error (optional) A handler for a terminal event resulting from an error. If no error handler is provided,\n * the error will be thrown asynchronously as unhandled.\n * @param {Function} complete (optional) A handler for a terminal event resulting from successful completion.\n * @return {Subscription} a subscription reference to the registered handlers\n * @method subscribe\n */\n subscribe(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((error: any) => void) | null,\n complete?: (() => void) | null\n ): Subscription {\n const subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);\n\n errorContext(() => {\n const { operator, source } = this;\n subscriber.add(\n operator\n ? // We're dealing with a subscription in the\n // operator chain to one of our lifted operators.\n operator.call(subscriber, source)\n : source\n ? // If `source` has a value, but `operator` does not, something that\n // had intimate knowledge of our API, like our `Subject`, must have\n // set it. We're going to just call `_subscribe` directly.\n this._subscribe(subscriber)\n : // In all other cases, we're likely wrapping a user-provided initializer\n // function, so we need to catch errors and handle them appropriately.\n this._trySubscribe(subscriber)\n );\n });\n\n return subscriber;\n }\n\n /** @internal */\n protected _trySubscribe(sink: Subscriber): TeardownLogic {\n try {\n return this._subscribe(sink);\n } catch (err) {\n // We don't need to return anything in this case,\n // because it's just going to try to `add()` to a subscription\n // above.\n sink.error(err);\n }\n }\n\n /**\n * Used as a NON-CANCELLABLE means of subscribing to an observable, for use with\n * APIs that expect promises, like `async/await`. You cannot unsubscribe from this.\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * #### Example\n *\n * ```ts\n * import { interval, take } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(4));\n *\n * async function getTotal() {\n * let total = 0;\n *\n * await source$.forEach(value => {\n * total += value;\n * console.log('observable -> ' + value);\n * });\n *\n * return total;\n * }\n *\n * getTotal().then(\n * total => console.log('Total: ' + total)\n * );\n *\n * // Expected:\n * // 'observable -> 0'\n * // 'observable -> 1'\n * // 'observable -> 2'\n * // 'observable -> 3'\n * // 'Total: 6'\n * ```\n *\n * @param next a handler for each value emitted by the observable\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n */\n forEach(next: (value: T) => void): Promise;\n\n /**\n * @param next a handler for each value emitted by the observable\n * @param promiseCtor a constructor function used to instantiate the Promise\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n * @deprecated Passing a Promise constructor will no longer be available\n * in upcoming versions of RxJS. This is because it adds weight to the library, for very\n * little benefit. If you need this functionality, it is recommended that you either\n * polyfill Promise, or you create an adapter to convert the returned native promise\n * to whatever promise implementation you wanted. Will be removed in v8.\n */\n forEach(next: (value: T) => void, promiseCtor: PromiseConstructorLike): Promise;\n\n forEach(next: (value: T) => void, promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n const subscriber = new SafeSubscriber({\n next: (value) => {\n try {\n next(value);\n } catch (err) {\n reject(err);\n subscriber.unsubscribe();\n }\n },\n error: reject,\n complete: resolve,\n });\n this.subscribe(subscriber);\n }) as Promise;\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): TeardownLogic {\n return this.source?.subscribe(subscriber);\n }\n\n /**\n * An interop point defined by the es7-observable spec https://github.com/zenparsing/es-observable\n * @method Symbol.observable\n * @return {Observable} this instance of the observable\n */\n [Symbol_observable]() {\n return this;\n }\n\n /* tslint:disable:max-line-length */\n pipe(): Observable;\n pipe(op1: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction, op3: OperatorFunction): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction,\n ...operations: OperatorFunction[]\n ): Observable;\n /* tslint:enable:max-line-length */\n\n /**\n * Used to stitch together functional operators into a chain.\n * @method pipe\n * @return {Observable} the Observable result of all of the operators having\n * been called in the order they were passed in.\n *\n * ## Example\n *\n * ```ts\n * import { interval, filter, map, scan } from 'rxjs';\n *\n * interval(1000)\n * .pipe(\n * filter(x => x % 2 === 0),\n * map(x => x + x),\n * scan((acc, x) => acc + x)\n * )\n * .subscribe(x => console.log(x));\n * ```\n */\n pipe(...operations: OperatorFunction[]): Observable {\n return pipeFromArray(operations)(this);\n }\n\n /* tslint:disable:max-line-length */\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: typeof Promise): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: PromiseConstructorLike): Promise;\n /* tslint:enable:max-line-length */\n\n /**\n * Subscribe to this Observable and get a Promise resolving on\n * `complete` with the last emission (if any).\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * @method toPromise\n * @param [promiseCtor] a constructor function used to instantiate\n * the Promise\n * @return A Promise that resolves with the last value emit, or\n * rejects on an error. If there were no emissions, Promise\n * resolves with undefined.\n * @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise\n */\n toPromise(promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n let value: T | undefined;\n this.subscribe(\n (x: T) => (value = x),\n (err: any) => reject(err),\n () => resolve(value)\n );\n }) as Promise;\n }\n}\n\n/**\n * Decides between a passed promise constructor from consuming code,\n * A default configured promise constructor, and the native promise\n * constructor and returns it. If nothing can be found, it will throw\n * an error.\n * @param promiseCtor The optional promise constructor to passed by consuming code\n */\nfunction getPromiseCtor(promiseCtor: PromiseConstructorLike | undefined) {\n return promiseCtor ?? config.Promise ?? Promise;\n}\n\nfunction isObserver(value: any): value is Observer {\n return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);\n}\n\nfunction isSubscriber(value: any): value is Subscriber {\n return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction } from '../types';\nimport { isFunction } from './isFunction';\n\n/**\n * Used to determine if an object is an Observable with a lift function.\n */\nexport function hasLift(source: any): source is { lift: InstanceType['lift'] } {\n return isFunction(source?.lift);\n}\n\n/**\n * Creates an `OperatorFunction`. Used to define operators throughout the library in a concise way.\n * @param init The logic to connect the liftedSource to the subscriber at the moment of subscription.\n */\nexport function operate(\n init: (liftedSource: Observable, subscriber: Subscriber) => (() => void) | void\n): OperatorFunction {\n return (source: Observable) => {\n if (hasLift(source)) {\n return source.lift(function (this: Subscriber, liftedSource: Observable) {\n try {\n return init(liftedSource, this);\n } catch (err) {\n this.error(err);\n }\n });\n }\n throw new TypeError('Unable to lift unknown Observable type');\n };\n}\n", "import { Subscriber } from '../Subscriber';\n\n/**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional teardown logic here. This will only be called on teardown if the\n * subscriber itself is not already closed. This is called after all other teardown logic is executed.\n */\nexport function createOperatorSubscriber(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n onFinalize?: () => void\n): Subscriber {\n return new OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize);\n}\n\n/**\n * A generic helper for allowing operators to be created with a Subscriber and\n * use closures to capture necessary state from the operator function itself.\n */\nexport class OperatorSubscriber extends Subscriber {\n /**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional finalization logic here. This will only be called on finalization if the\n * subscriber itself is not already closed. This is called after all other finalization logic is executed.\n * @param shouldUnsubscribe An optional check to see if an unsubscribe call should truly unsubscribe.\n * NOTE: This currently **ONLY** exists to support the strange behavior of {@link groupBy}, where unsubscription\n * to the resulting observable does not actually disconnect from the source if there are active subscriptions\n * to any grouped observable. (DO NOT EXPOSE OR USE EXTERNALLY!!!)\n */\n constructor(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n private onFinalize?: () => void,\n private shouldUnsubscribe?: () => boolean\n ) {\n // It's important - for performance reasons - that all of this class's\n // members are initialized and that they are always initialized in the same\n // order. This will ensure that all OperatorSubscriber instances have the\n // same hidden class in V8. This, in turn, will help keep the number of\n // hidden classes involved in property accesses within the base class as\n // low as possible. If the number of hidden classes involved exceeds four,\n // the property accesses will become megamorphic and performance penalties\n // will be incurred - i.e. inline caches won't be used.\n //\n // The reasons for ensuring all instances have the same hidden class are\n // further discussed in this blog post from Benedikt Meurer:\n // https://benediktmeurer.de/2018/03/23/impact-of-polymorphism-on-component-based-frameworks-like-react/\n super(destination);\n this._next = onNext\n ? function (this: OperatorSubscriber, value: T) {\n try {\n onNext(value);\n } catch (err) {\n destination.error(err);\n }\n }\n : super._next;\n this._error = onError\n ? function (this: OperatorSubscriber, err: any) {\n try {\n onError(err);\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._error;\n this._complete = onComplete\n ? function (this: OperatorSubscriber) {\n try {\n onComplete();\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._complete;\n }\n\n unsubscribe() {\n if (!this.shouldUnsubscribe || this.shouldUnsubscribe()) {\n const { closed } = this;\n super.unsubscribe();\n // Execute additional teardown if we have any and we didn't already do so.\n !closed && this.onFinalize?.();\n }\n }\n}\n", "import { Subscription } from '../Subscription';\n\ninterface AnimationFrameProvider {\n schedule(callback: FrameRequestCallback): Subscription;\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n delegate:\n | {\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n }\n | undefined;\n}\n\nexport const animationFrameProvider: AnimationFrameProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n schedule(callback) {\n let request = requestAnimationFrame;\n let cancel: typeof cancelAnimationFrame | undefined = cancelAnimationFrame;\n const { delegate } = animationFrameProvider;\n if (delegate) {\n request = delegate.requestAnimationFrame;\n cancel = delegate.cancelAnimationFrame;\n }\n const handle = request((timestamp) => {\n // Clear the cancel function. The request has been fulfilled, so\n // attempting to cancel the request upon unsubscription would be\n // pointless.\n cancel = undefined;\n callback(timestamp);\n });\n return new Subscription(() => cancel?.(handle));\n },\n requestAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.requestAnimationFrame || requestAnimationFrame)(...args);\n },\n cancelAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.cancelAnimationFrame || cancelAnimationFrame)(...args);\n },\n delegate: undefined,\n};\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface ObjectUnsubscribedError extends Error {}\n\nexport interface ObjectUnsubscribedErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (): ObjectUnsubscribedError;\n}\n\n/**\n * An error thrown when an action is invalid because the object has been\n * unsubscribed.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n *\n * @class ObjectUnsubscribedError\n */\nexport const ObjectUnsubscribedError: ObjectUnsubscribedErrorCtor = createErrorClass(\n (_super) =>\n function ObjectUnsubscribedErrorImpl(this: any) {\n _super(this);\n this.name = 'ObjectUnsubscribedError';\n this.message = 'object unsubscribed';\n }\n);\n", "import { Operator } from './Operator';\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription, EMPTY_SUBSCRIPTION } from './Subscription';\nimport { Observer, SubscriptionLike, TeardownLogic } from './types';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { arrRemove } from './util/arrRemove';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A Subject is a special type of Observable that allows values to be\n * multicasted to many Observers. Subjects are like EventEmitters.\n *\n * Every Subject is an Observable and an Observer. You can subscribe to a\n * Subject, and you can call next to feed values as well as error and complete.\n */\nexport class Subject extends Observable implements SubscriptionLike {\n closed = false;\n\n private currentObservers: Observer[] | null = null;\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n observers: Observer[] = [];\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n isStopped = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n hasError = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n thrownError: any = null;\n\n /**\n * Creates a \"subject\" by basically gluing an observer to an observable.\n *\n * @nocollapse\n * @deprecated Recommended you do not use. Will be removed at some point in the future. Plans for replacement still under discussion.\n */\n static create: (...args: any[]) => any = (destination: Observer, source: Observable): AnonymousSubject => {\n return new AnonymousSubject(destination, source);\n };\n\n constructor() {\n // NOTE: This must be here to obscure Observable's constructor.\n super();\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n lift(operator: Operator): Observable {\n const subject = new AnonymousSubject(this, this);\n subject.operator = operator as any;\n return subject as any;\n }\n\n /** @internal */\n protected _throwIfClosed() {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n }\n\n next(value: T) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n if (!this.currentObservers) {\n this.currentObservers = Array.from(this.observers);\n }\n for (const observer of this.currentObservers) {\n observer.next(value);\n }\n }\n });\n }\n\n error(err: any) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.hasError = this.isStopped = true;\n this.thrownError = err;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.error(err);\n }\n }\n });\n }\n\n complete() {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.isStopped = true;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.complete();\n }\n }\n });\n }\n\n unsubscribe() {\n this.isStopped = this.closed = true;\n this.observers = this.currentObservers = null!;\n }\n\n get observed() {\n return this.observers?.length > 0;\n }\n\n /** @internal */\n protected _trySubscribe(subscriber: Subscriber): TeardownLogic {\n this._throwIfClosed();\n return super._trySubscribe(subscriber);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._checkFinalizedStatuses(subscriber);\n return this._innerSubscribe(subscriber);\n }\n\n /** @internal */\n protected _innerSubscribe(subscriber: Subscriber) {\n const { hasError, isStopped, observers } = this;\n if (hasError || isStopped) {\n return EMPTY_SUBSCRIPTION;\n }\n this.currentObservers = null;\n observers.push(subscriber);\n return new Subscription(() => {\n this.currentObservers = null;\n arrRemove(observers, subscriber);\n });\n }\n\n /** @internal */\n protected _checkFinalizedStatuses(subscriber: Subscriber) {\n const { hasError, thrownError, isStopped } = this;\n if (hasError) {\n subscriber.error(thrownError);\n } else if (isStopped) {\n subscriber.complete();\n }\n }\n\n /**\n * Creates a new Observable with this Subject as the source. You can do this\n * to create custom Observer-side logic of the Subject and conceal it from\n * code that uses the Observable.\n * @return {Observable} Observable that the Subject casts to\n */\n asObservable(): Observable {\n const observable: any = new Observable();\n observable.source = this;\n return observable;\n }\n}\n\n/**\n * @class AnonymousSubject\n */\nexport class AnonymousSubject extends Subject {\n constructor(\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n public destination?: Observer,\n source?: Observable\n ) {\n super();\n this.source = source;\n }\n\n next(value: T) {\n this.destination?.next?.(value);\n }\n\n error(err: any) {\n this.destination?.error?.(err);\n }\n\n complete() {\n this.destination?.complete?.();\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n return this.source?.subscribe(subscriber) ?? EMPTY_SUBSCRIPTION;\n }\n}\n", "import { Subject } from './Subject';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\n\n/**\n * A variant of Subject that requires an initial value and emits its current\n * value whenever it is subscribed to.\n *\n * @class BehaviorSubject\n */\nexport class BehaviorSubject extends Subject {\n constructor(private _value: T) {\n super();\n }\n\n get value(): T {\n return this.getValue();\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n const subscription = super._subscribe(subscriber);\n !subscription.closed && subscriber.next(this._value);\n return subscription;\n }\n\n getValue(): T {\n const { hasError, thrownError, _value } = this;\n if (hasError) {\n throw thrownError;\n }\n this._throwIfClosed();\n return _value;\n }\n\n next(value: T): void {\n super.next((this._value = value));\n }\n}\n", "import { TimestampProvider } from '../types';\n\ninterface DateTimestampProvider extends TimestampProvider {\n delegate: TimestampProvider | undefined;\n}\n\nexport const dateTimestampProvider: DateTimestampProvider = {\n now() {\n // Use the variable rather than `this` so that the function can be called\n // without being bound to the provider.\n return (dateTimestampProvider.delegate || Date).now();\n },\n delegate: undefined,\n};\n", "import { Subject } from './Subject';\nimport { TimestampProvider } from './types';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * A variant of {@link Subject} that \"replays\" old values to new subscribers by emitting them when they first subscribe.\n *\n * `ReplaySubject` has an internal buffer that will store a specified number of values that it has observed. Like `Subject`,\n * `ReplaySubject` \"observes\" values by having them passed to its `next` method. When it observes a value, it will store that\n * value for a time determined by the configuration of the `ReplaySubject`, as passed to its constructor.\n *\n * When a new subscriber subscribes to the `ReplaySubject` instance, it will synchronously emit all values in its buffer in\n * a First-In-First-Out (FIFO) manner. The `ReplaySubject` will also complete, if it has observed completion; and it will\n * error if it has observed an error.\n *\n * There are two main configuration items to be concerned with:\n *\n * 1. `bufferSize` - This will determine how many items are stored in the buffer, defaults to infinite.\n * 2. `windowTime` - The amount of time to hold a value in the buffer before removing it from the buffer.\n *\n * Both configurations may exist simultaneously. So if you would like to buffer a maximum of 3 values, as long as the values\n * are less than 2 seconds old, you could do so with a `new ReplaySubject(3, 2000)`.\n *\n * ### Differences with BehaviorSubject\n *\n * `BehaviorSubject` is similar to `new ReplaySubject(1)`, with a couple of exceptions:\n *\n * 1. `BehaviorSubject` comes \"primed\" with a single value upon construction.\n * 2. `ReplaySubject` will replay values, even after observing an error, where `BehaviorSubject` will not.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n * @see {@link shareReplay}\n */\nexport class ReplaySubject extends Subject {\n private _buffer: (T | number)[] = [];\n private _infiniteTimeWindow = true;\n\n /**\n * @param bufferSize The size of the buffer to replay on subscription\n * @param windowTime The amount of time the buffered items will stay buffered\n * @param timestampProvider An object with a `now()` method that provides the current timestamp. This is used to\n * calculate the amount of time something has been buffered.\n */\n constructor(\n private _bufferSize = Infinity,\n private _windowTime = Infinity,\n private _timestampProvider: TimestampProvider = dateTimestampProvider\n ) {\n super();\n this._infiniteTimeWindow = _windowTime === Infinity;\n this._bufferSize = Math.max(1, _bufferSize);\n this._windowTime = Math.max(1, _windowTime);\n }\n\n next(value: T): void {\n const { isStopped, _buffer, _infiniteTimeWindow, _timestampProvider, _windowTime } = this;\n if (!isStopped) {\n _buffer.push(value);\n !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);\n }\n this._trimBuffer();\n super.next(value);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._trimBuffer();\n\n const subscription = this._innerSubscribe(subscriber);\n\n const { _infiniteTimeWindow, _buffer } = this;\n // We use a copy here, so reentrant code does not mutate our array while we're\n // emitting it to a new subscriber.\n const copy = _buffer.slice();\n for (let i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {\n subscriber.next(copy[i] as T);\n }\n\n this._checkFinalizedStatuses(subscriber);\n\n return subscription;\n }\n\n private _trimBuffer() {\n const { _bufferSize, _timestampProvider, _buffer, _infiniteTimeWindow } = this;\n // If we don't have an infinite buffer size, and we're over the length,\n // use splice to truncate the old buffer values off. Note that we have to\n // double the size for instances where we're not using an infinite time window\n // because we're storing the values and the timestamps in the same array.\n const adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;\n _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);\n\n // Now, if we're not in an infinite time window, remove all values where the time is\n // older than what is allowed.\n if (!_infiniteTimeWindow) {\n const now = _timestampProvider.now();\n let last = 0;\n // Search the array for the first timestamp that isn't expired and\n // truncate the buffer up to that point.\n for (let i = 1; i < _buffer.length && (_buffer[i] as number) <= now; i += 2) {\n last = i;\n }\n last && _buffer.splice(0, last + 1);\n }\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Subscription } from '../Subscription';\nimport { SchedulerAction } from '../types';\n\n/**\n * A unit of work to be executed in a `scheduler`. An action is typically\n * created from within a {@link SchedulerLike} and an RxJS user does not need to concern\n * themselves about creating and manipulating an Action.\n *\n * ```ts\n * class Action extends Subscription {\n * new (scheduler: Scheduler, work: (state?: T) => void);\n * schedule(state?: T, delay: number = 0): Subscription;\n * }\n * ```\n *\n * @class Action\n */\nexport class Action extends Subscription {\n constructor(scheduler: Scheduler, work: (this: SchedulerAction, state?: T) => void) {\n super();\n }\n /**\n * Schedules this action on its parent {@link SchedulerLike} for execution. May be passed\n * some context object, `state`. May happen at some point in the future,\n * according to the `delay` parameter, if specified.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler.\n * @return {void}\n */\n public schedule(state?: T, delay: number = 0): Subscription {\n return this;\n }\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetIntervalFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearIntervalFunction = (handle: TimerHandle) => void;\n\ninterface IntervalProvider {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n delegate:\n | {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n }\n | undefined;\n}\n\nexport const intervalProvider: IntervalProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setInterval(handler: () => void, timeout?: number, ...args) {\n const { delegate } = intervalProvider;\n if (delegate?.setInterval) {\n return delegate.setInterval(handler, timeout, ...args);\n }\n return setInterval(handler, timeout, ...args);\n },\n clearInterval(handle) {\n const { delegate } = intervalProvider;\n return (delegate?.clearInterval || clearInterval)(handle as any);\n },\n delegate: undefined,\n};\n", "import { Action } from './Action';\nimport { SchedulerAction } from '../types';\nimport { Subscription } from '../Subscription';\nimport { AsyncScheduler } from './AsyncScheduler';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncAction extends Action {\n public id: TimerHandle | undefined;\n public state?: T;\n // @ts-ignore: Property has no initializer and is not definitely assigned\n public delay: number;\n protected pending: boolean = false;\n\n constructor(protected scheduler: AsyncScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n public schedule(state?: T, delay: number = 0): Subscription {\n if (this.closed) {\n return this;\n }\n\n // Always replace the current state with the new state.\n this.state = state;\n\n const id = this.id;\n const scheduler = this.scheduler;\n\n //\n // Important implementation note:\n //\n // Actions only execute once by default, unless rescheduled from within the\n // scheduled callback. This allows us to implement single and repeat\n // actions via the same code path, without adding API surface area, as well\n // as mimic traditional recursion but across asynchronous boundaries.\n //\n // However, JS runtimes and timers distinguish between intervals achieved by\n // serial `setTimeout` calls vs. a single `setInterval` call. An interval of\n // serial `setTimeout` calls can be individually delayed, which delays\n // scheduling the next `setTimeout`, and so on. `setInterval` attempts to\n // guarantee the interval callback will be invoked more precisely to the\n // interval period, regardless of load.\n //\n // Therefore, we use `setInterval` to schedule single and repeat actions.\n // If the action reschedules itself with the same delay, the interval is not\n // canceled. If the action doesn't reschedule, or reschedules with a\n // different delay, the interval will be canceled after scheduled callback\n // execution.\n //\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n\n // Set the pending flag indicating that this action has been scheduled, or\n // has recursively rescheduled itself.\n this.pending = true;\n\n this.delay = delay;\n // If this action has already an async Id, don't request a new one.\n this.id = this.id ?? this.requestAsyncId(scheduler, this.id, delay);\n\n return this;\n }\n\n protected requestAsyncId(scheduler: AsyncScheduler, _id?: TimerHandle, delay: number = 0): TimerHandle {\n return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n }\n\n protected recycleAsyncId(_scheduler: AsyncScheduler, id?: TimerHandle, delay: number | null = 0): TimerHandle | undefined {\n // If this action is rescheduled with the same delay time, don't clear the interval id.\n if (delay != null && this.delay === delay && this.pending === false) {\n return id;\n }\n // Otherwise, if the action's delay time is different from the current delay,\n // or the action has been rescheduled before it's executed, clear the interval id\n if (id != null) {\n intervalProvider.clearInterval(id);\n }\n\n return undefined;\n }\n\n /**\n * Immediately executes this action and the `work` it contains.\n * @return {any}\n */\n public execute(state: T, delay: number): any {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n\n this.pending = false;\n const error = this._execute(state, delay);\n if (error) {\n return error;\n } else if (this.pending === false && this.id != null) {\n // Dequeue if the action didn't reschedule itself. Don't call\n // unsubscribe(), because the action could reschedule later.\n // For example:\n // ```\n // scheduler.schedule(function doWork(counter) {\n // /* ... I'm a busy worker bee ... */\n // var originalAction = this;\n // /* wait 100ms before rescheduling the action */\n // setTimeout(function () {\n // originalAction.schedule(counter + 1);\n // }, 100);\n // }, 1000);\n // ```\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n }\n\n protected _execute(state: T, _delay: number): any {\n let errored: boolean = false;\n let errorValue: any;\n try {\n this.work(state);\n } catch (e) {\n errored = true;\n // HACK: Since code elsewhere is relying on the \"truthiness\" of the\n // return here, we can't have it return \"\" or 0 or false.\n // TODO: Clean this up when we refactor schedulers mid-version-8 or so.\n errorValue = e ? e : new Error('Scheduled action threw falsy error');\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n }\n\n unsubscribe() {\n if (!this.closed) {\n const { id, scheduler } = this;\n const { actions } = scheduler;\n\n this.work = this.state = this.scheduler = null!;\n this.pending = false;\n\n arrRemove(actions, this);\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n\n this.delay = null!;\n super.unsubscribe();\n }\n }\n}\n", "import { Action } from './scheduler/Action';\nimport { Subscription } from './Subscription';\nimport { SchedulerLike, SchedulerAction } from './types';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * An execution context and a data structure to order tasks and schedule their\n * execution. Provides a notion of (potentially virtual) time, through the\n * `now()` getter method.\n *\n * Each unit of work in a Scheduler is called an `Action`.\n *\n * ```ts\n * class Scheduler {\n * now(): number;\n * schedule(work, delay?, state?): Subscription;\n * }\n * ```\n *\n * @class Scheduler\n * @deprecated Scheduler is an internal implementation detail of RxJS, and\n * should not be used directly. Rather, create your own class and implement\n * {@link SchedulerLike}. Will be made internal in v8.\n */\nexport class Scheduler implements SchedulerLike {\n public static now: () => number = dateTimestampProvider.now;\n\n constructor(private schedulerActionCtor: typeof Action, now: () => number = Scheduler.now) {\n this.now = now;\n }\n\n /**\n * A getter method that returns a number representing the current time\n * (at the time this function was called) according to the scheduler's own\n * internal clock.\n * @return {number} A number that represents the current time. May or may not\n * have a relation to wall-clock time. May or may not refer to a time unit\n * (e.g. milliseconds).\n */\n public now: () => number;\n\n /**\n * Schedules a function, `work`, for execution. May happen at some point in\n * the future, according to the `delay` parameter, if specified. May be passed\n * some context object, `state`, which will be passed to the `work` function.\n *\n * The given arguments will be processed an stored as an Action object in a\n * queue of actions.\n *\n * @param {function(state: ?T): ?Subscription} work A function representing a\n * task, or some unit of work to be executed by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler itself.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @return {Subscription} A subscription in order to be able to unsubscribe\n * the scheduled work.\n */\n public schedule(work: (this: SchedulerAction, state?: T) => void, delay: number = 0, state?: T): Subscription {\n return new this.schedulerActionCtor(this, work).schedule(state, delay);\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Action } from './Action';\nimport { AsyncAction } from './AsyncAction';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncScheduler extends Scheduler {\n public actions: Array> = [];\n /**\n * A flag to indicate whether the Scheduler is currently executing a batch of\n * queued actions.\n * @type {boolean}\n * @internal\n */\n public _active: boolean = false;\n /**\n * An internal ID used to track the latest asynchronous task such as those\n * coming from `setTimeout`, `setInterval`, `requestAnimationFrame`, and\n * others.\n * @type {any}\n * @internal\n */\n public _scheduled: TimerHandle | undefined;\n\n constructor(SchedulerAction: typeof Action, now: () => number = Scheduler.now) {\n super(SchedulerAction, now);\n }\n\n public flush(action: AsyncAction): void {\n const { actions } = this;\n\n if (this._active) {\n actions.push(action);\n return;\n }\n\n let error: any;\n this._active = true;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions.shift()!)); // exhaust the scheduler queue\n\n this._active = false;\n\n if (error) {\n while ((action = actions.shift()!)) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\n/**\n *\n * Async Scheduler\n *\n * Schedule task as if you used setTimeout(task, duration)\n *\n * `async` scheduler schedules tasks asynchronously, by putting them on the JavaScript\n * event loop queue. It is best used to delay tasks in time or to schedule tasks repeating\n * in intervals.\n *\n * If you just want to \"defer\" task, that is to perform it right after currently\n * executing synchronous code ends (commonly achieved by `setTimeout(deferredTask, 0)`),\n * better choice will be the {@link asapScheduler} scheduler.\n *\n * ## Examples\n * Use async scheduler to delay task\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * const task = () => console.log('it works!');\n *\n * asyncScheduler.schedule(task, 2000);\n *\n * // After 2 seconds logs:\n * // \"it works!\"\n * ```\n *\n * Use async scheduler to repeat task in intervals\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * function task(state) {\n * console.log(state);\n * this.schedule(state + 1, 1000); // `this` references currently executing Action,\n * // which we reschedule with new state and delay\n * }\n *\n * asyncScheduler.schedule(task, 3000, 0);\n *\n * // Logs:\n * // 0 after 3s\n * // 1 after 4s\n * // 2 after 5s\n * // 3 after 6s\n * ```\n */\n\nexport const asyncScheduler = new AsyncScheduler(AsyncAction);\n\n/**\n * @deprecated Renamed to {@link asyncScheduler}. Will be removed in v8.\n */\nexport const async = asyncScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { Subscription } from '../Subscription';\nimport { QueueScheduler } from './QueueScheduler';\nimport { SchedulerAction } from '../types';\nimport { TimerHandle } from './timerHandle';\n\nexport class QueueAction extends AsyncAction {\n constructor(protected scheduler: QueueScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n public schedule(state?: T, delay: number = 0): Subscription {\n if (delay > 0) {\n return super.schedule(state, delay);\n }\n this.delay = delay;\n this.state = state;\n this.scheduler.flush(this);\n return this;\n }\n\n public execute(state: T, delay: number): any {\n return delay > 0 || this.closed ? super.execute(state, delay) : this._execute(state, delay);\n }\n\n protected requestAsyncId(scheduler: QueueScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n // If delay exists and is greater than 0, or if the delay is null (the\n // action wasn't rescheduled) but was originally scheduled as an async\n // action, then recycle as an async action.\n\n if ((delay != null && delay > 0) || (delay == null && this.delay > 0)) {\n return super.requestAsyncId(scheduler, id, delay);\n }\n\n // Otherwise flush the scheduler starting with this action.\n scheduler.flush(this);\n\n // HACK: In the past, this was returning `void`. However, `void` isn't a valid\n // `TimerHandle`, and generally the return value here isn't really used. So the\n // compromise is to return `0` which is both \"falsy\" and a valid `TimerHandle`,\n // as opposed to refactoring every other instanceo of `requestAsyncId`.\n return 0;\n }\n}\n", "import { AsyncScheduler } from './AsyncScheduler';\n\nexport class QueueScheduler extends AsyncScheduler {\n}\n", "import { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\n\n/**\n *\n * Queue Scheduler\n *\n * Put every next task on a queue, instead of executing it immediately\n *\n * `queue` scheduler, when used with delay, behaves the same as {@link asyncScheduler} scheduler.\n *\n * When used without delay, it schedules given task synchronously - executes it right when\n * it is scheduled. However when called recursively, that is when inside the scheduled task,\n * another task is scheduled with queue scheduler, instead of executing immediately as well,\n * that task will be put on a queue and wait for current one to finish.\n *\n * This means that when you execute task with `queue` scheduler, you are sure it will end\n * before any other task scheduled with that scheduler will start.\n *\n * ## Examples\n * Schedule recursively first, then do something\n * ```ts\n * import { queueScheduler } from 'rxjs';\n *\n * queueScheduler.schedule(() => {\n * queueScheduler.schedule(() => console.log('second')); // will not happen now, but will be put on a queue\n *\n * console.log('first');\n * });\n *\n * // Logs:\n * // \"first\"\n * // \"second\"\n * ```\n *\n * Reschedule itself recursively\n * ```ts\n * import { queueScheduler } from 'rxjs';\n *\n * queueScheduler.schedule(function(state) {\n * if (state !== 0) {\n * console.log('before', state);\n * this.schedule(state - 1); // `this` references currently executing Action,\n * // which we reschedule with new state\n * console.log('after', state);\n * }\n * }, 0, 3);\n *\n * // In scheduler that runs recursively, you would expect:\n * // \"before\", 3\n * // \"before\", 2\n * // \"before\", 1\n * // \"after\", 1\n * // \"after\", 2\n * // \"after\", 3\n *\n * // But with queue it logs:\n * // \"before\", 3\n * // \"after\", 3\n * // \"before\", 2\n * // \"after\", 2\n * // \"before\", 1\n * // \"after\", 1\n * ```\n */\n\nexport const queueScheduler = new QueueScheduler(QueueAction);\n\n/**\n * @deprecated Renamed to {@link queueScheduler}. Will be removed in v8.\n */\nexport const queue = queueScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nimport { SchedulerAction } from '../types';\nimport { animationFrameProvider } from './animationFrameProvider';\nimport { TimerHandle } from './timerHandle';\n\nexport class AnimationFrameAction extends AsyncAction {\n constructor(protected scheduler: AnimationFrameScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n protected requestAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n // If delay is greater than 0, request as an async action.\n if (delay !== null && delay > 0) {\n return super.requestAsyncId(scheduler, id, delay);\n }\n // Push the action to the end of the scheduler queue.\n scheduler.actions.push(this);\n // If an animation frame has already been requested, don't request another\n // one. If an animation frame hasn't been requested yet, request one. Return\n // the current animation frame request id.\n return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(() => scheduler.flush(undefined)));\n }\n\n protected recycleAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle | undefined {\n // If delay exists and is greater than 0, or if the delay is null (the\n // action wasn't rescheduled) but was originally scheduled as an async\n // action, then recycle as an async action.\n if (delay != null ? delay > 0 : this.delay > 0) {\n return super.recycleAsyncId(scheduler, id, delay);\n }\n // If the scheduler queue has no remaining actions with the same async id,\n // cancel the requested animation frame and set the scheduled flag to\n // undefined so the next AnimationFrameAction will request its own.\n const { actions } = scheduler;\n if (id != null && actions[actions.length - 1]?.id !== id) {\n animationFrameProvider.cancelAnimationFrame(id as number);\n scheduler._scheduled = undefined;\n }\n // Return undefined so the action knows to request a new async id if it's rescheduled.\n return undefined;\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\nexport class AnimationFrameScheduler extends AsyncScheduler {\n public flush(action?: AsyncAction): void {\n this._active = true;\n // The async id that effects a call to flush is stored in _scheduled.\n // Before executing an action, it's necessary to check the action's async\n // id to determine whether it's supposed to be executed in the current\n // flush.\n // Previous implementations of this method used a count to determine this,\n // but that was unsound, as actions that are unsubscribed - i.e. cancelled -\n // are removed from the actions array and that can shift actions that are\n // scheduled to be executed in a subsequent flush into positions at which\n // they are executed within the current flush.\n const flushId = this._scheduled;\n this._scheduled = undefined;\n\n const { actions } = this;\n let error: any;\n action = action || actions.shift()!;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions[0]) && action.id === flushId && actions.shift());\n\n this._active = false;\n\n if (error) {\n while ((action = actions[0]) && action.id === flushId && actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\n\n/**\n *\n * Animation Frame Scheduler\n *\n * Perform task when `window.requestAnimationFrame` would fire\n *\n * When `animationFrame` scheduler is used with delay, it will fall back to {@link asyncScheduler} scheduler\n * behaviour.\n *\n * Without delay, `animationFrame` scheduler can be used to create smooth browser animations.\n * It makes sure scheduled task will happen just before next browser content repaint,\n * thus performing animations as efficiently as possible.\n *\n * ## Example\n * Schedule div height animation\n * ```ts\n * // html:
\n * import { animationFrameScheduler } from 'rxjs';\n *\n * const div = document.querySelector('div');\n *\n * animationFrameScheduler.schedule(function(height) {\n * div.style.height = height + \"px\";\n *\n * this.schedule(height + 1); // `this` references currently executing Action,\n * // which we reschedule with new state\n * }, 0, 0);\n *\n * // You will see a div element growing in height\n * ```\n */\n\nexport const animationFrameScheduler = new AnimationFrameScheduler(AnimationFrameAction);\n\n/**\n * @deprecated Renamed to {@link animationFrameScheduler}. Will be removed in v8.\n */\nexport const animationFrame = animationFrameScheduler;\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\n\n/**\n * A simple Observable that emits no items to the Observer and immediately\n * emits a complete notification.\n *\n * Just emits 'complete', and nothing else.\n *\n * ![](empty.png)\n *\n * A simple Observable that only emits the complete notification. It can be used\n * for composing with other Observables, such as in a {@link mergeMap}.\n *\n * ## Examples\n *\n * Log complete notification\n *\n * ```ts\n * import { EMPTY } from 'rxjs';\n *\n * EMPTY.subscribe({\n * next: () => console.log('Next'),\n * complete: () => console.log('Complete!')\n * });\n *\n * // Outputs\n * // Complete!\n * ```\n *\n * Emit the number 7, then complete\n *\n * ```ts\n * import { EMPTY, startWith } from 'rxjs';\n *\n * const result = EMPTY.pipe(startWith(7));\n * result.subscribe(x => console.log(x));\n *\n * // Outputs\n * // 7\n * ```\n *\n * Map and flatten only odd numbers to the sequence `'a'`, `'b'`, `'c'`\n *\n * ```ts\n * import { interval, mergeMap, of, EMPTY } from 'rxjs';\n *\n * const interval$ = interval(1000);\n * const result = interval$.pipe(\n * mergeMap(x => x % 2 === 1 ? of('a', 'b', 'c') : EMPTY),\n * );\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following to the console:\n * // x is equal to the count on the interval, e.g. (0, 1, 2, 3, ...)\n * // x will occur every 1000ms\n * // if x % 2 is equal to 1, print a, b, c (each on its own)\n * // if x % 2 is not equal to 1, nothing will be output\n * ```\n *\n * @see {@link Observable}\n * @see {@link NEVER}\n * @see {@link of}\n * @see {@link throwError}\n */\nexport const EMPTY = new Observable((subscriber) => subscriber.complete());\n\n/**\n * @param scheduler A {@link SchedulerLike} to use for scheduling\n * the emission of the complete notification.\n * @deprecated Replaced with the {@link EMPTY} constant or {@link scheduled} (e.g. `scheduled([], scheduler)`). Will be removed in v8.\n */\nexport function empty(scheduler?: SchedulerLike) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\n\nfunction emptyScheduled(scheduler: SchedulerLike) {\n return new Observable((subscriber) => scheduler.schedule(() => subscriber.complete()));\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport function isScheduler(value: any): value is SchedulerLike {\n return value && isFunction(value.schedule);\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\nimport { isScheduler } from './isScheduler';\n\nfunction last(arr: T[]): T | undefined {\n return arr[arr.length - 1];\n}\n\nexport function popResultSelector(args: any[]): ((...args: unknown[]) => unknown) | undefined {\n return isFunction(last(args)) ? args.pop() : undefined;\n}\n\nexport function popScheduler(args: any[]): SchedulerLike | undefined {\n return isScheduler(last(args)) ? args.pop() : undefined;\n}\n\nexport function popNumber(args: any[], defaultValue: number): number {\n return typeof last(args) === 'number' ? args.pop()! : defaultValue;\n}\n", "export const isArrayLike = ((x: any): x is ArrayLike => x && typeof x.length === 'number' && typeof x !== 'function');", "import { isFunction } from \"./isFunction\";\n\n/**\n * Tests to see if the object is \"thennable\".\n * @param value the object to test\n */\nexport function isPromise(value: any): value is PromiseLike {\n return isFunction(value?.then);\n}\n", "import { InteropObservable } from '../types';\nimport { observable as Symbol_observable } from '../symbol/observable';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being Observable (but not necessary an Rx Observable) */\nexport function isInteropObservable(input: any): input is InteropObservable {\n return isFunction(input[Symbol_observable]);\n}\n", "import { isFunction } from './isFunction';\n\nexport function isAsyncIterable(obj: any): obj is AsyncIterable {\n return Symbol.asyncIterator && isFunction(obj?.[Symbol.asyncIterator]);\n}\n", "/**\n * Creates the TypeError to throw if an invalid object is passed to `from` or `scheduled`.\n * @param input The object that was passed.\n */\nexport function createInvalidObservableTypeError(input: any) {\n // TODO: We should create error codes that can be looked up, so this can be less verbose.\n return new TypeError(\n `You provided ${\n input !== null && typeof input === 'object' ? 'an invalid object' : `'${input}'`\n } where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.`\n );\n}\n", "export function getSymbolIterator(): symbol {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator' as any;\n }\n\n return Symbol.iterator;\n}\n\nexport const iterator = getSymbolIterator();\n", "import { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being an Iterable */\nexport function isIterable(input: any): input is Iterable {\n return isFunction(input?.[Symbol_iterator]);\n}\n", "import { ReadableStreamLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport async function* readableStreamLikeToAsyncGenerator(readableStream: ReadableStreamLike): AsyncGenerator {\n const reader = readableStream.getReader();\n try {\n while (true) {\n const { value, done } = await reader.read();\n if (done) {\n return;\n }\n yield value!;\n }\n } finally {\n reader.releaseLock();\n }\n}\n\nexport function isReadableStreamLike(obj: any): obj is ReadableStreamLike {\n // We don't want to use instanceof checks because they would return\n // false for instances from another Realm, like an