[pull] develop from mermaid-js:develop

[pull]

See Commits and Changes for more details.

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Created by pull[bot] (v2.0.0-alpha.1)

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Summary by Sourcery

Update flowchart syntax to allow "@" symbols within node labels, addressing issue mermaid-js#6195.

Bug Fixes:

• Fixed an issue where "@" symbols were not allowed inside node labels in flowcharts.

Tests:

• Added tests to verify that "@" symbols are correctly parsed within node labels in flowcharts.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request introduces a fix that allows the use of the @ symbol in node labels within the flowchart diagrams. It also updates the mermaid initialization to include a callback function and sets the default font to Arial.

Sequence diagram for mermaid initialization with callback

sequenceDiagram
    participant User
    participant Browser
    participant Mermaid
    User->>Browser: Load page
    Browser->>Mermaid: Initialize
    Mermaid->>Browser: Set callback
    Browser->>User: Display alert 'It worked'

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Class diagram for flowchart parser changes

classDiagram
    class FlowParser {
        +parse(input: string)
        +getData(): LayoutData
    }
    class LayoutData {
        +nodes: Node[]
    }
    class Node {
        +label: string
    }
    FlowParser --> LayoutData
    LayoutData --> Node
    note for Node "Now supports @ symbol in labels"

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File-Level Changes

Change	Details	Files
Allow the use of the @ symbol in node labels.	Added a test case to verify that the @ symbol can be used in node labels. Modified the parser to allow the @ symbol in node labels.	packages/mermaid/src/diagrams/flowchart/parser/flow-node-data.spec.js packages/mermaid/src/diagrams/flowchart/parser/flow.jison
Update mermaid initialization.	Added a callback function to the mermaid initialization. Set the default font to Arial.	cypress/platform/knsv2.html
Updated changeset file.	Added a changeset file to track the changes.	.changeset/chatty-elephants-warn.md

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