compat

Documentation

Index

• Variables
• type CSSFeature
  • func UnsupportedCSSFeatures(constraints map[Engine][]int) (unsupported CSSFeature)
  • func (features CSSFeature) ApplyOverrides(overrides CSSFeature, mask CSSFeature) CSSFeature
  • func (features CSSFeature) Has(feature CSSFeature) bool
• type Engine
  • func (e Engine) String() string
• type JSFeature
  • func UnsupportedJSFeatures(constraints map[Engine][]int) (unsupported JSFeature)
  • func (features JSFeature) ApplyOverrides(overrides JSFeature, mask JSFeature) JSFeature
  • func (features JSFeature) Has(feature JSFeature) bool

Variables

var CSSFeatureToString = map[CSSFeature]string{
	HexRGBA:        "hex-rgba",
	RebeccaPurple:  "rebecca-purple",
	Modern_RGB_HSL: "modern-rgb-hsl",
	InsetProperty:  "inset-property",
	Nesting:        "nesting",
}

var JSFeatureToString = map[JSFeature]string{
	ArbitraryModuleNamespaceNames: "arbitrary-module-namespace-names",
	ArraySpread:                   "array-spread",
	Arrow:                         "arrow",
	AsyncAwait:                    "async-await",
	AsyncGenerator:                "async-generator",
	Bigint:                        "bigint",
	Class:                         "class",
	ClassField:                    "class-field",
	ClassPrivateAccessor:          "class-private-accessor",
	ClassPrivateBrandCheck:        "class-private-brand-check",
	ClassPrivateField:             "class-private-field",
	ClassPrivateMethod:            "class-private-method",
	ClassPrivateStaticAccessor:    "class-private-static-accessor",
	ClassPrivateStaticField:       "class-private-static-field",
	ClassPrivateStaticMethod:      "class-private-static-method",
	ClassStaticBlocks:             "class-static-blocks",
	ClassStaticField:              "class-static-field",
	ConstAndLet:                   "const-and-let",
	DefaultArgument:               "default-argument",
	Destructuring:                 "destructuring",
	DynamicImport:                 "dynamic-import",
	ExponentOperator:              "exponent-operator",
	ExportStarAs:                  "export-star-as",
	ForAwait:                      "for-await",
	ForOf:                         "for-of",
	Generator:                     "generator",
	Hashbang:                      "hashbang",
	ImportAssertions:              "import-assertions",
	ImportMeta:                    "import-meta",
	LogicalAssignment:             "logical-assignment",
	NestedRestBinding:             "nested-rest-binding",
	NewTarget:                     "new-target",
	NodeColonPrefixImport:         "node-colon-prefix-import",
	NodeColonPrefixRequire:        "node-colon-prefix-require",
	NullishCoalescing:             "nullish-coalescing",
	ObjectAccessors:               "object-accessors",
	ObjectExtensions:              "object-extensions",
	ObjectRestSpread:              "object-rest-spread",
	OptionalCatchBinding:          "optional-catch-binding",
	OptionalChain:                 "optional-chain",
	RegexpDotAllFlag:              "regexp-dot-all-flag",
	RegexpLookbehindAssertions:    "regexp-lookbehind-assertions",
	RegexpMatchIndices:            "regexp-match-indices",
	RegexpNamedCaptureGroups:      "regexp-named-capture-groups",
	RegexpStickyAndUnicodeFlags:   "regexp-sticky-and-unicode-flags",
	RegexpUnicodePropertyEscapes:  "regexp-unicode-property-escapes",
	RestArgument:                  "rest-argument",
	TemplateLiteral:               "template-literal",
	TopLevelAwait:                 "top-level-await",
	TypeofExoticObjectIsObject:    "typeof-exotic-object-is-object",
	UnicodeEscapes:                "unicode-escapes",
}

var StringToCSSFeature = map[string]CSSFeature{
	"hex-rgba":       HexRGBA,
	"rebecca-purple": RebeccaPurple,
	"modern-rgb-hsl": Modern_RGB_HSL,
	"inset-property": InsetProperty,
	"nesting":        Nesting,
}

var StringToJSFeature = map[string]JSFeature{
	"arbitrary-module-namespace-names": ArbitraryModuleNamespaceNames,
	"array-spread":                     ArraySpread,
	"arrow":                            Arrow,
	"async-await":                      AsyncAwait,
	"async-generator":                  AsyncGenerator,
	"bigint":                           Bigint,
	"class":                            Class,
	"class-field":                      ClassField,
	"class-private-accessor":           ClassPrivateAccessor,
	"class-private-brand-check":        ClassPrivateBrandCheck,
	"class-private-field":              ClassPrivateField,
	"class-private-method":             ClassPrivateMethod,
	"class-private-static-accessor":    ClassPrivateStaticAccessor,
	"class-private-static-field":       ClassPrivateStaticField,
	"class-private-static-method":      ClassPrivateStaticMethod,
	"class-static-blocks":              ClassStaticBlocks,
	"class-static-field":               ClassStaticField,
	"const-and-let":                    ConstAndLet,
	"default-argument":                 DefaultArgument,
	"destructuring":                    Destructuring,
	"dynamic-import":                   DynamicImport,
	"exponent-operator":                ExponentOperator,
	"export-star-as":                   ExportStarAs,
	"for-await":                        ForAwait,
	"for-of":                           ForOf,
	"generator":                        Generator,
	"hashbang":                         Hashbang,
	"import-assertions":                ImportAssertions,
	"import-meta":                      ImportMeta,
	"logical-assignment":               LogicalAssignment,
	"nested-rest-binding":              NestedRestBinding,
	"new-target":                       NewTarget,
	"node-colon-prefix-import":         NodeColonPrefixImport,
	"node-colon-prefix-require":        NodeColonPrefixRequire,
	"nullish-coalescing":               NullishCoalescing,
	"object-accessors":                 ObjectAccessors,
	"object-extensions":                ObjectExtensions,
	"object-rest-spread":               ObjectRestSpread,
	"optional-catch-binding":           OptionalCatchBinding,
	"optional-chain":                   OptionalChain,
	"regexp-dot-all-flag":              RegexpDotAllFlag,
	"regexp-lookbehind-assertions":     RegexpLookbehindAssertions,
	"regexp-match-indices":             RegexpMatchIndices,
	"regexp-named-capture-groups":      RegexpNamedCaptureGroups,
	"regexp-sticky-and-unicode-flags":  RegexpStickyAndUnicodeFlags,
	"regexp-unicode-property-escapes":  RegexpUnicodePropertyEscapes,
	"rest-argument":                    RestArgument,
	"template-literal":                 TemplateLiteral,
	"top-level-await":                  TopLevelAwait,
	"typeof-exotic-object-is-object":   TypeofExoticObjectIsObject,
	"unicode-escapes":                  UnicodeEscapes,
}

Types

type CSSFeature

type CSSFeature uint8

const (
	HexRGBA CSSFeature = 1 << iota

	RebeccaPurple

	// This feature includes all of the following:
	// - Allow floats in rgb() and rgba()
	// - hsl() can accept alpha values
	// - rgb() can accept alpha values
	// - Space-separated functional color notations
	Modern_RGB_HSL

	InsetProperty
	Nesting
)

func UnsupportedCSSFeatures

func UnsupportedCSSFeatures(constraints map[Engine][]int) (unsupported CSSFeature)

Return all features that are not available in at least one environment

func (CSSFeature) ApplyOverrides

func (features CSSFeature) ApplyOverrides(overrides CSSFeature, mask CSSFeature) CSSFeature

func (CSSFeature) Has

func (features CSSFeature) Has(feature CSSFeature) bool

type Engine

type Engine uint8

const (
	Chrome Engine = iota
	Edge
	ES
	Firefox
	Hermes
	IE
	IOS
	Node
	Opera
	Rhino
	Safari
)

func (Engine) String

func (e Engine) String() string

type JSFeature

type JSFeature uint64

const (
	ArbitraryModuleNamespaceNames JSFeature = 1 << iota
	ArraySpread
	Arrow
	AsyncAwait
	AsyncGenerator
	Bigint
	Class
	ClassField
	ClassPrivateAccessor
	ClassPrivateBrandCheck
	ClassPrivateField
	ClassPrivateMethod
	ClassPrivateStaticAccessor
	ClassPrivateStaticField
	ClassPrivateStaticMethod
	ClassStaticBlocks
	ClassStaticField
	ConstAndLet
	DefaultArgument
	Destructuring
	DynamicImport
	ExponentOperator
	ExportStarAs
	ForAwait
	ForOf
	Generator
	Hashbang
	ImportAssertions
	ImportMeta
	LogicalAssignment
	NestedRestBinding
	NewTarget
	NodeColonPrefixImport
	NodeColonPrefixRequire
	NullishCoalescing
	ObjectAccessors
	ObjectExtensions
	ObjectRestSpread
	OptionalCatchBinding
	OptionalChain
	RegexpDotAllFlag
	RegexpLookbehindAssertions
	RegexpMatchIndices
	RegexpNamedCaptureGroups
	RegexpStickyAndUnicodeFlags
	RegexpUnicodePropertyEscapes
	RestArgument
	TemplateLiteral
	TopLevelAwait
	TypeofExoticObjectIsObject
	UnicodeEscapes
)

func UnsupportedJSFeatures

func UnsupportedJSFeatures(constraints map[Engine][]int) (unsupported JSFeature)

Return all features that are not available in at least one environment

func (JSFeature) ApplyOverrides

func (features JSFeature) ApplyOverrides(overrides JSFeature, mask JSFeature) JSFeature

func (JSFeature) Has

func (features JSFeature) Has(feature JSFeature) bool