diff --git a/encoding_functions.go b/encoding_functions.go index 1e95372..48238dc 100644 --- a/encoding_functions.go +++ b/encoding_functions.go @@ -6,6 +6,8 @@ import ( "encoding/base64" "encoding/json" "strings" + + "sigs.k8s.io/yaml" ) // Base64Encode encodes a string into its Base64 representation. @@ -117,7 +119,7 @@ func (fh *FunctionHandler) FromJson(v string) any { // // Example: // -// jsonStr := fh.ToJson(map[string]interface{}{"name": "John", "age": 30}) +// jsonStr := fh.ToJson(map[string]any{"name": "John", "age": 30}) // fmt.Println(jsonStr) // Output: {"age":30,"name":"John"} func (fh *FunctionHandler) ToJson(v any) string { output, _ := fh.MustToJson(v) @@ -136,7 +138,7 @@ func (fh *FunctionHandler) ToJson(v any) string { // // Example: // -// prettyJson := fh.ToPrettyJson(map[string]interface{}{"name": "John", "age": 30}) +// prettyJson := fh.ToPrettyJson(map[string]any{"name": "John", "age": 30}) // fmt.Println(prettyJson) // Output: { // // "age": 30, // // "name": "John" @@ -158,13 +160,54 @@ func (fh *FunctionHandler) ToPrettyJson(v any) string { // // Example: // -// rawJson := fh.ToRawJson(map[string]interface{}{"content": "
Hello World!
"}) +// rawJson := fh.ToRawJson(map[string]any{"content": "
Hello World!
"}) // fmt.Println(rawJson) // Output: {"content":"
Hello World!
"} func (fh *FunctionHandler) ToRawJson(v any) string { output, _ := fh.MustToRawJson(v) return output } +// FromYAML deserializes a YAML string into a Go map. +// +// Parameters: +// +// str string - the YAML string to deserialize. +// +// Returns: +// +// any - a map representing the YAML data. Returns nil if deserialization fails. +// +// Example: +// +// {{ "name: John Doe\nage: 30" | fromYAML }} // Output: map[name:John Doe age:30] +func (fh *FunctionHandler) FromYAML(str string) any { + var m = make(map[string]any) + + if err := yaml.Unmarshal([]byte(str), &m); err != nil { + return nil + } + + return m +} + +// ToYAML serializes a Go data structure to a YAML string. +// +// Parameters: +// +// v any - the data structure to serialize. +// +// Returns: +// +// string - the YAML string representation of the data structure. +// +// Example: +// +// {{ {"name": "John Doe", "age": 30} | toYAML }} // Output: "name: John Doe\nage: 30\n" +func (fh *FunctionHandler) ToYAML(v any) string { + result, _ := fh.MustToYAML(v) + return result +} + // MustFromJson decodes a JSON string into a Go data structure, returning an // error if decoding fails. // @@ -257,3 +300,47 @@ func (fh *FunctionHandler) MustToRawJson(v any) (string, error) { } return strings.TrimSuffix(buf.String(), "\n"), nil } + +// MustFromYaml deserializes a YAML string into a Go data structure, returning +// the result along with any error that occurs. +// +// Parameters: +// +// v string - the YAML string to deserialize. +// +// Returns: +// +// any - the Go data structure representing the deserialized YAML content. +// error - an error if the YAML content cannot be deserialized. +// +// Example: +// +// {{ "name: John Doe\nage: 30" | mustFromYaml }} // Output: map[name:John Doe age:30], nil +func (fh *FunctionHandler) MustFromYAML(v string) (any, error) { + var output any + err := yaml.Unmarshal([]byte(v), &output) + return output, err +} + +// MustToYAML serializes a Go data structure to a YAML string and returns any error that occurs during the serialization. +// +// Parameters: +// +// v any - the data structure to serialize. +// +// Returns: +// +// string - the YAML string representation of the data structure. +// error - error if the serialization fails. +// +// Example: +// +// {{ {"name": "John Doe", "age": 30} | mustToYAML }} // Output: "name: John Doe\nage: 30\n", nil +func (fh *FunctionHandler) MustToYAML(v any) (string, error) { + data, err := yaml.Marshal(v) + if err != nil { + return "", err + } + + return strings.TrimSuffix(string(data), "\n"), nil +} diff --git a/encoding_functions_test.go b/encoding_functions_test.go index a2be72c..6a9cd36 100644 --- a/encoding_functions_test.go +++ b/encoding_functions_test.go @@ -81,6 +81,26 @@ func TestToRawJson(t *testing.T) { runTestCases(t, tests) } +func TestFromYAML(t *testing.T) { + var tests = testCases{ + {"TestEmptyInput", `{{ "" | fromYaml }}`, "map[]", nil}, + {"TestVariableInput", `{{ .V | fromYaml }}`, "map[bar:map[baz:1] foo:55]", map[string]any{"V": "foo: 55\nbar:\n baz: 1\n"}}, + {"TestAccessField", `{{ (.V | fromYaml).foo }}`, "55", map[string]any{"V": "foo: 55"}}, + {"TestInvalidInput", `{{ .V | fromYaml }}`, "", map[string]any{"V": "foo: :: baz"}}, + } + + runTestCases(t, tests) +} + +func TestToYAML(t *testing.T) { + var tests = testCases{ + {"TestEmptyInput", `{{ "" | toYaml }}`, "\"\"", nil}, + {"TestVariableInput", `{{ .V | toYaml }}`, "bar: baz\nfoo: 55", map[string]any{"V": map[string]any{"foo": 55, "bar": "baz"}}}, + } + + runTestCases(t, tests) +} + func TestMustFromJson(t *testing.T) { var tests = mustTestCases{ {testCase{"TestEmptyInput", `{{ "" | mustFromJson }}`, "", nil}, "unexpected end"}, @@ -120,3 +140,23 @@ func TestMustToRawJson(t *testing.T) { runMustTestCases(t, tests) } + +func TestMustFromYAML(t *testing.T) { + var tests = mustTestCases{ + {testCase{"TestEmptyInput", `{{ "foo: :: baz" | mustFromYaml }}`, "", nil}, "error converting YAML to JSON"}, + {testCase{"TestVariableInput", `{{ .V | mustFromYaml }}`, "map[bar:map[baz:1] foo:55]", map[string]any{"V": "foo: 55\nbar:\n baz: 1\n"}}, ""}, + {testCase{"TestInvalidInput", `{{ .V | mustFromYaml }}`, "", map[string]any{"V": ":"}}, "did not find expected key"}, + } + + runMustTestCases(t, tests) +} + +func TestMustToYAML(t *testing.T) { + var tests = mustTestCases{ + {testCase{"TestEmptyInput", `{{ "" | mustToYaml }}`, "\"\"", nil}, ""}, + {testCase{"TestVariableInput", `{{ .V | mustToYaml }}`, "bar: baz\nfoo: 55", map[string]any{"V": map[string]any{"foo": 55, "bar": "baz"}}}, ""}, + {testCase{"TestInvalidInput", `{{ .V | mustToYaml }}`, "", map[string]any{"V": make(chan int)}}, "json: unsupported type: chan int"}, + } + + runMustTestCases(t, tests) +} diff --git a/go.mod b/go.mod index 98ff7bb..7a9ffd4 100644 --- a/go.mod +++ b/go.mod @@ -6,13 +6,12 @@ require ( dario.cat/mergo v1.0.0 github.com/Masterminds/semver/v3 v3.2.1 github.com/google/uuid v1.6.0 - github.com/huandu/xstrings v1.4.0 github.com/mitchellh/copystructure v1.2.0 - github.com/shopspring/decimal v1.3.1 github.com/spf13/cast v1.6.0 github.com/stretchr/testify v1.9.0 golang.org/x/crypto v0.21.0 golang.org/x/text v0.14.0 + sigs.k8s.io/yaml v1.4.0 ) require ( diff --git a/go.sum b/go.sum index 71e8634..9be0186 100644 --- a/go.sum +++ b/go.sum @@ -10,8 +10,6 @@ github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38= github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= -github.com/huandu/xstrings v1.4.0 h1:D17IlohoQq4UcpqD7fDk80P7l+lwAmlFaBHgOipl2FU= -github.com/huandu/xstrings v1.4.0/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq4ovT0aE= github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk= github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= @@ -24,8 +22,6 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8= github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs= -github.com/shopspring/decimal v1.3.1 h1:2Usl1nmF/WZucqkFZhnfFYxxxu8LG21F6nPQBE5gKV8= -github.com/shopspring/decimal v1.3.1/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o= github.com/spf13/cast v1.6.0 h1:GEiTHELF+vaR5dhz3VqZfFSzZjYbgeKDpBxQVS4GYJ0= github.com/spf13/cast v1.6.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo= github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg= @@ -38,3 +34,5 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E= +sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY= diff --git a/sprout.go b/sprout.go index 2e7feec..5a8ea97 100644 --- a/sprout.go +++ b/sprout.go @@ -193,10 +193,14 @@ func FuncMap(opts ...FunctionHandlerOption) template.FuncMap { fnHandler.funcMap["toJson"] = fnHandler.ToJson fnHandler.funcMap["toPrettyJson"] = fnHandler.ToPrettyJson fnHandler.funcMap["toRawJson"] = fnHandler.ToRawJson + fnHandler.funcMap["fromYaml"] = fnHandler.FromYAML + fnHandler.funcMap["toYaml"] = fnHandler.ToYAML fnHandler.funcMap["mustFromJson"] = fnHandler.MustFromJson fnHandler.funcMap["mustToJson"] = fnHandler.MustToJson fnHandler.funcMap["mustToPrettyJson"] = fnHandler.MustToPrettyJson fnHandler.funcMap["mustToRawJson"] = fnHandler.MustToRawJson + fnHandler.funcMap["mustFromYaml"] = fnHandler.MustFromYAML + fnHandler.funcMap["mustToYaml"] = fnHandler.MustToYAML fnHandler.funcMap["ternary"] = fnHandler.Ternary fnHandler.funcMap["deepCopy"] = fnHandler.DeepCopy fnHandler.funcMap["mustDeepCopy"] = fnHandler.MustDeepCopy