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js_table.go
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// This file was automatically generated by "js_table.ts"
package compat
type Engine uint8
const (
Chrome Engine = iota
Deno
Edge
ES
Firefox
Hermes
IE
IOS
Node
Opera
Rhino
Safari
)
func (e Engine) String() string {
switch e {
case Chrome:
return "chrome"
case Deno:
return "deno"
case Edge:
return "edge"
case ES:
return "es"
case Firefox:
return "firefox"
case Hermes:
return "hermes"
case IE:
return "ie"
case IOS:
return "ios"
case Node:
return "node"
case Opera:
return "opera"
case Rhino:
return "rhino"
case Safari:
return "safari"
}
return ""
}
func (e Engine) IsBrowser() bool {
switch e {
case Chrome, Edge, Firefox, IE, IOS, Opera, Safari:
return true
}
return false
}
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
Decorators
DefaultArgument
Destructuring
DynamicImport
ExponentOperator
ExportStarAs
ForAwait
ForOf
FunctionNameConfigurable
FunctionOrClassPropertyAccess
Generator
Hashbang
ImportAssertions
ImportAttributes
ImportMeta
InlineScript
LogicalAssignment
NestedRestBinding
NewTarget
NodeColonPrefixImport
NodeColonPrefixRequire
NullishCoalescing
ObjectAccessors
ObjectExtensions
ObjectRestSpread
OptionalCatchBinding
OptionalChain
RegexpDotAllFlag
RegexpLookbehindAssertions
RegexpMatchIndices
RegexpNamedCaptureGroups
RegexpSetNotation
RegexpStickyAndUnicodeFlags
RegexpUnicodePropertyEscapes
RestArgument
TemplateLiteral
TopLevelAwait
TypeofExoticObjectIsObject
UnicodeEscapes
Using
)
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,
"decorators": Decorators,
"default-argument": DefaultArgument,
"destructuring": Destructuring,
"dynamic-import": DynamicImport,
"exponent-operator": ExponentOperator,
"export-star-as": ExportStarAs,
"for-await": ForAwait,
"for-of": ForOf,
"function-name-configurable": FunctionNameConfigurable,
"function-or-class-property-access": FunctionOrClassPropertyAccess,
"generator": Generator,
"hashbang": Hashbang,
"import-assertions": ImportAssertions,
"import-attributes": ImportAttributes,
"import-meta": ImportMeta,
"inline-script": InlineScript,
"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-set-notation": RegexpSetNotation,
"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,
"using": Using,
}
func (features JSFeature) Has(feature JSFeature) bool {
return (features & feature) != 0
}
func (features JSFeature) ApplyOverrides(overrides JSFeature, mask JSFeature) JSFeature {
return (features & ^mask) | (overrides & mask)
}
var jsTable = map[JSFeature]map[Engine][]versionRange{
ArbitraryModuleNamespaceNames: {
Chrome: {{start: v{90, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{87, 0, 0}}},
IOS: {{start: v{14, 5, 0}}},
Node: {{start: v{16, 0, 0}}},
Safari: {{start: v{14, 1, 0}}},
},
ArraySpread: {
// Note: The latest version of "IE" failed 15 tests including: spread syntax for iterable objects: spreading non-iterables is a runtime error
// Note: The latest version of "Rhino" failed 15 tests including: spread syntax for iterable objects: spreading non-iterables is a runtime error
Chrome: {{start: v{46, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{13, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{36, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{5, 0, 0}}},
Opera: {{start: v{33, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
Arrow: {
// Note: The latest version of "Hermes" failed 3 tests including: arrow functions: lexical "super" binding in constructors
// Note: The latest version of "IE" failed 13 tests including: arrow functions: "this" unchanged by call or apply
// Note: The latest version of "Rhino" failed 3 tests including: arrow functions: lexical "new.target" binding
Chrome: {{start: v{49, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{13, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{45, 0, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{6, 0, 0}}},
Opera: {{start: v{36, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
AsyncAwait: {
// Note: The latest version of "Hermes" failed 4 tests including: async functions: async arrow functions
// Note: The latest version of "IE" failed 16 tests including: async functions: async arrow functions
// Note: The latest version of "Rhino" failed 16 tests including: async functions: async arrow functions
Chrome: {{start: v{55, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{15, 0, 0}}},
ES: {{start: v{2017, 0, 0}}},
Firefox: {{start: v{52, 0, 0}}},
IOS: {{start: v{11, 0, 0}}},
Node: {{start: v{7, 6, 0}}},
Opera: {{start: v{42, 0, 0}}},
Safari: {{start: v{11, 0, 0}}},
},
AsyncGenerator: {
// Note: The latest version of "Hermes" failed this test: Asynchronous Iterators: async generators
// Note: The latest version of "IE" failed this test: Asynchronous Iterators: async generators
// Note: The latest version of "Rhino" failed this test: Asynchronous Iterators: async generators
Chrome: {{start: v{63, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2018, 0, 0}}},
Firefox: {{start: v{57, 0, 0}}},
IOS: {{start: v{12, 0, 0}}},
Node: {{start: v{10, 0, 0}}},
Opera: {{start: v{50, 0, 0}}},
Safari: {{start: v{12, 0, 0}}},
},
Bigint: {
// Note: The latest version of "IE" failed this test: BigInt: basic functionality
Chrome: {{start: v{67, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2020, 0, 0}}},
Firefox: {{start: v{68, 0, 0}}},
Hermes: {{start: v{0, 12, 0}}},
IOS: {{start: v{14, 0, 0}}},
Node: {{start: v{10, 4, 0}}},
Opera: {{start: v{54, 0, 0}}},
Rhino: {{start: v{1, 7, 14}}},
Safari: {{start: v{14, 0, 0}}},
},
Class: {
// Note: The latest version of "Hermes" failed 24 tests including: class: accessor properties
// Note: The latest version of "IE" failed 24 tests including: class: accessor properties
// Note: The latest version of "Rhino" failed 24 tests including: class: accessor properties
Chrome: {{start: v{49, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{13, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{45, 0, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{6, 0, 0}}},
Opera: {{start: v{36, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
ClassField: {
// Note: The latest version of "Hermes" failed 2 tests including: instance class fields: computed instance class fields
// Note: The latest version of "IE" failed 2 tests including: instance class fields: computed instance class fields
// Note: The latest version of "Rhino" failed 2 tests including: instance class fields: computed instance class fields
Chrome: {{start: v{73, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{69, 0, 0}}},
IOS: {{start: v{14, 0, 0}}},
Node: {{start: v{12, 0, 0}}},
Opera: {{start: v{60, 0, 0}}},
Safari: {{start: v{14, 0, 0}}},
},
ClassPrivateAccessor: {
// Note: The latest version of "Hermes" failed this test: private class methods: private accessor properties
// Note: The latest version of "IE" failed this test: private class methods: private accessor properties
// Note: The latest version of "Rhino" failed this test: private class methods: private accessor properties
Chrome: {{start: v{84, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{84, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{90, 0, 0}}},
IOS: {{start: v{15, 0, 0}}},
Node: {{start: v{14, 6, 0}}},
Opera: {{start: v{70, 0, 0}}},
Safari: {{start: v{15, 0, 0}}},
},
ClassPrivateBrandCheck: {
// Note: The latest version of "Hermes" failed this test: Ergonomic brand checks for private fields
// Note: The latest version of "IE" failed this test: Ergonomic brand checks for private fields
// Note: The latest version of "Rhino" failed this test: Ergonomic brand checks for private fields
Chrome: {{start: v{91, 0, 0}}},
Deno: {{start: v{1, 9, 0}}},
Edge: {{start: v{91, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{90, 0, 0}}},
IOS: {{start: v{15, 0, 0}}},
Node: {{start: v{16, 4, 0}}},
Opera: {{start: v{77, 0, 0}}},
Safari: {{start: v{15, 0, 0}}},
},
ClassPrivateField: {
// Note: The latest version of "Hermes" failed 4 tests including: instance class fields: optional deep private instance class fields access
// Note: The latest version of "IE" failed 4 tests including: instance class fields: optional deep private instance class fields access
// Note: The latest version of "Rhino" failed 4 tests including: instance class fields: optional deep private instance class fields access
Chrome: {{start: v{84, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{84, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{90, 0, 0}}},
IOS: {{start: v{14, 5, 0}}},
Node: {{start: v{14, 6, 0}}},
Opera: {{start: v{70, 0, 0}}},
Safari: {{start: v{14, 1, 0}}},
},
ClassPrivateMethod: {
// Note: The latest version of "Hermes" failed this test: private class methods: private instance methods
// Note: The latest version of "IE" failed this test: private class methods: private instance methods
// Note: The latest version of "Rhino" failed this test: private class methods: private instance methods
Chrome: {{start: v{84, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{84, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{90, 0, 0}}},
IOS: {{start: v{15, 0, 0}}},
Node: {{start: v{14, 6, 0}}},
Opera: {{start: v{70, 0, 0}}},
Safari: {{start: v{15, 0, 0}}},
},
ClassPrivateStaticAccessor: {
// Note: The latest version of "Hermes" failed this test: private class methods: private static accessor properties
// Note: The latest version of "IE" failed this test: private class methods: private static accessor properties
// Note: The latest version of "Rhino" failed this test: private class methods: private static accessor properties
Chrome: {{start: v{84, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{84, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{90, 0, 0}}},
IOS: {{start: v{15, 0, 0}}},
Node: {{start: v{14, 6, 0}}},
Opera: {{start: v{70, 0, 0}}},
Safari: {{start: v{15, 0, 0}}},
},
ClassPrivateStaticField: {
// Note: The latest version of "Hermes" failed this test: static class fields: private static class fields
// Note: The latest version of "IE" failed this test: static class fields: private static class fields
// Note: The latest version of "Rhino" failed this test: static class fields: private static class fields
Chrome: {{start: v{74, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{90, 0, 0}}},
IOS: {{start: v{14, 5, 0}}},
Node: {{start: v{12, 0, 0}}},
Opera: {{start: v{62, 0, 0}}},
Safari: {{start: v{14, 1, 0}}},
},
ClassPrivateStaticMethod: {
// Note: The latest version of "Hermes" failed this test: private class methods: private static methods
// Note: The latest version of "IE" failed this test: private class methods: private static methods
// Note: The latest version of "Rhino" failed this test: private class methods: private static methods
Chrome: {{start: v{84, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{84, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{90, 0, 0}}},
IOS: {{start: v{15, 0, 0}}},
Node: {{start: v{14, 6, 0}}},
Opera: {{start: v{70, 0, 0}}},
Safari: {{start: v{15, 0, 0}}},
},
ClassStaticBlocks: {
Chrome: {{start: v{91, 0, 0}}},
Deno: {{start: v{1, 14, 0}}},
Edge: {{start: v{94, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{93, 0, 0}}},
IOS: {{start: v{16, 4, 0}}},
Node: {{start: v{16, 11, 0}}},
Opera: {{start: v{80, 0, 0}}},
Safari: {{start: v{16, 4, 0}}},
},
ClassStaticField: {
// Note: The latest version of "Hermes" failed 2 tests including: static class fields: computed static class fields
// Note: The latest version of "IE" failed 2 tests including: static class fields: computed static class fields
// Note: The latest version of "Rhino" failed 2 tests including: static class fields: computed static class fields
Chrome: {{start: v{73, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{75, 0, 0}}},
IOS: {{start: v{14, 5, 0}}},
Node: {{start: v{12, 0, 0}}},
Opera: {{start: v{60, 0, 0}}},
Safari: {{start: v{14, 1, 0}}},
},
ConstAndLet: {
// Note: The latest version of "Hermes" failed 20 tests including: const: for loop statement scope
// Note: The latest version of "IE" failed 6 tests including: const: for-in loop iteration scope
// Note: The latest version of "Rhino" failed 22 tests including: const: cannot be in statements
Chrome: {{start: v{49, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{14, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{51, 0, 0}}},
IOS: {{start: v{11, 0, 0}}},
Node: {{start: v{6, 0, 0}}},
Opera: {{start: v{36, 0, 0}}},
Safari: {{start: v{11, 0, 0}}},
},
Decorators: {},
DefaultArgument: {
// Note: The latest version of "Hermes" failed 2 tests including: default function parameters: separate scope
// Note: The latest version of "IE" failed 7 tests including: default function parameters: arguments object interaction
// Note: The latest version of "Rhino" failed 7 tests including: default function parameters: arguments object interaction
Chrome: {{start: v{49, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{14, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{53, 0, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{6, 0, 0}}},
Opera: {{start: v{36, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
Destructuring: {
// Note: The latest version of "Hermes" failed 3 tests including: destructuring, declarations: defaults, let temporal dead zone
// Note: The latest version of "IE" failed 71 tests including: destructuring, assignment: chained iterable destructuring
// Note: The latest version of "Rhino" failed 33 tests including: destructuring, assignment: computed properties
Chrome: {{start: v{51, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{18, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{53, 0, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{6, 5, 0}}},
Opera: {{start: v{38, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
DynamicImport: {
Chrome: {{start: v{63, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{67, 0, 0}}},
IOS: {{start: v{11, 0, 0}}},
Node: {{start: v{12, 20, 0}, end: v{13, 0, 0}}, {start: v{13, 2, 0}}},
Opera: {{start: v{50, 0, 0}}},
Safari: {{start: v{11, 1, 0}}},
},
ExponentOperator: {
// Note: The latest version of "IE" failed 3 tests including: exponentiation (**) operator: assignment
Chrome: {{start: v{52, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{14, 0, 0}}},
ES: {{start: v{2016, 0, 0}}},
Firefox: {{start: v{52, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{10, 3, 0}}},
Node: {{start: v{7, 0, 0}}},
Opera: {{start: v{39, 0, 0}}},
Rhino: {{start: v{1, 7, 14}}},
Safari: {{start: v{10, 1, 0}}},
},
ExportStarAs: {
Chrome: {{start: v{72, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2020, 0, 0}}},
Firefox: {{start: v{80, 0, 0}}},
IOS: {{start: v{14, 5, 0}}},
Node: {{start: v{13, 2, 0}}},
Opera: {{start: v{60, 0, 0}}},
Safari: {{start: v{14, 1, 0}}},
},
ForAwait: {
// Note: The latest version of "Hermes" failed this test: Asynchronous Iterators: for-await-of loops
// Note: The latest version of "IE" failed this test: Asynchronous Iterators: for-await-of loops
// Note: The latest version of "Rhino" failed this test: Asynchronous Iterators: for-await-of loops
Chrome: {{start: v{63, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2018, 0, 0}}},
Firefox: {{start: v{57, 0, 0}}},
IOS: {{start: v{12, 0, 0}}},
Node: {{start: v{10, 0, 0}}},
Opera: {{start: v{50, 0, 0}}},
Safari: {{start: v{12, 0, 0}}},
},
ForOf: {
// Note: The latest version of "IE" failed 9 tests including: for..of loops: iterator closing, break
// Note: The latest version of "Rhino" failed 4 tests including: for..of loops: iterator closing, break
Chrome: {{start: v{51, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{15, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{53, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{6, 5, 0}}},
Opera: {{start: v{38, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
FunctionNameConfigurable: {
// Note: The latest version of "IE" failed this test: function "name" property: isn't writable, is configurable
// Note: The latest version of "Rhino" failed this test: function "name" property: isn't writable, is configurable
Chrome: {{start: v{43, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{12, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{38, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{4, 0, 0}}},
Opera: {{start: v{30, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
FunctionOrClassPropertyAccess: {
Chrome: {{start: v{0, 0, 0}}},
Deno: {{start: v{0, 0, 0}}},
Edge: {{start: v{0, 0, 0}}},
ES: {{start: v{0, 0, 0}}},
Firefox: {{start: v{0, 0, 0}}},
Hermes: {{start: v{0, 0, 0}}},
IE: {{start: v{0, 0, 0}}},
IOS: {{start: v{0, 0, 0}}},
Node: {{start: v{0, 0, 0}}},
Opera: {{start: v{0, 0, 0}}},
Rhino: {{start: v{0, 0, 0}}},
Safari: {{start: v{16, 3, 0}}},
},
Generator: {
// Note: The latest version of "Hermes" failed 3 tests including: generators: computed shorthand generators, classes
// Note: The latest version of "IE" failed 27 tests including: generators: %GeneratorPrototype%
// Note: The latest version of "Rhino" failed 15 tests including: generators: %GeneratorPrototype%
Chrome: {{start: v{50, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{13, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{53, 0, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{6, 0, 0}}},
Opera: {{start: v{37, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
Hashbang: {
// Note: The latest version of "IE" failed this test: Hashbang Grammar
// Note: The latest version of "Rhino" failed this test: Hashbang Grammar
Chrome: {{start: v{74, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
Firefox: {{start: v{67, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{13, 4, 0}}},
Node: {{start: v{12, 5, 0}}},
Opera: {{start: v{62, 0, 0}}},
Safari: {{start: v{13, 1, 0}}},
},
ImportAssertions: {
Chrome: {{start: v{91, 0, 0}}},
Deno: {{start: v{1, 17, 0}}},
Edge: {{start: v{91, 0, 0}}},
Node: {{start: v{16, 14, 0}}},
},
ImportAttributes: {
Chrome: {{start: v{123, 0, 0}}},
Deno: {{start: v{1, 37, 0}}},
Edge: {{start: v{123, 0, 0}}},
IOS: {{start: v{17, 2, 0}}},
Node: {{start: v{20, 10, 0}}},
Opera: {{start: v{109, 0, 0}}},
Safari: {{start: v{17, 2, 0}}},
},
ImportMeta: {
Chrome: {{start: v{64, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2020, 0, 0}}},
Firefox: {{start: v{62, 0, 0}}},
IOS: {{start: v{12, 0, 0}}},
Node: {{start: v{10, 4, 0}}},
Opera: {{start: v{51, 0, 0}}},
Safari: {{start: v{11, 1, 0}}},
},
InlineScript: {},
LogicalAssignment: {
// Note: The latest version of "IE" failed 9 tests including: Logical Assignment: &&= basic support
// Note: The latest version of "Rhino" failed 9 tests including: Logical Assignment: &&= basic support
Chrome: {{start: v{85, 0, 0}}},
Deno: {{start: v{1, 2, 0}}},
Edge: {{start: v{85, 0, 0}}},
ES: {{start: v{2021, 0, 0}}},
Firefox: {{start: v{79, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{14, 0, 0}}},
Node: {{start: v{15, 0, 0}}},
Opera: {{start: v{71, 0, 0}}},
Safari: {{start: v{14, 0, 0}}},
},
NestedRestBinding: {
// Note: The latest version of "IE" failed 2 tests including: nested rest destructuring, declarations
// Note: The latest version of "Rhino" failed 2 tests including: nested rest destructuring, declarations
Chrome: {{start: v{49, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{14, 0, 0}}},
ES: {{start: v{2016, 0, 0}}},
Firefox: {{start: v{47, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{10, 3, 0}}},
Node: {{start: v{6, 0, 0}}},
Opera: {{start: v{36, 0, 0}}},
Safari: {{start: v{10, 1, 0}}},
},
NewTarget: {
// Note: The latest version of "IE" failed 2 tests including: new.target: assignment is an early error
// Note: The latest version of "Rhino" failed 2 tests including: new.target: assignment is an early error
Chrome: {{start: v{46, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{14, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{41, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{5, 0, 0}}},
Opera: {{start: v{33, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
NodeColonPrefixImport: {
Node: {{start: v{12, 20, 0}, end: v{13, 0, 0}}, {start: v{14, 13, 1}}},
},
NodeColonPrefixRequire: {
Node: {{start: v{14, 18, 0}, end: v{15, 0, 0}}, {start: v{16, 0, 0}}},
},
NullishCoalescing: {
// Note: The latest version of "IE" failed this test: nullish coalescing operator (??)
// Note: The latest version of "Rhino" failed this test: nullish coalescing operator (??)
Chrome: {{start: v{80, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{80, 0, 0}}},
ES: {{start: v{2020, 0, 0}}},
Firefox: {{start: v{72, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{13, 4, 0}}},
Node: {{start: v{14, 0, 0}}},
Opera: {{start: v{67, 0, 0}}},
Safari: {{start: v{13, 1, 0}}},
},
ObjectAccessors: {
Chrome: {{start: v{5, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{12, 0, 0}}},
ES: {{start: v{5, 0, 0}}},
Firefox: {{start: v{2, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IE: {{start: v{9, 0, 0}}},
IOS: {{start: v{6, 0, 0}}},
Node: {{start: v{0, 4, 0}}},
Opera: {{start: v{10, 10, 0}}},
Rhino: {{start: v{1, 7, 13}}},
Safari: {{start: v{3, 1, 0}}},
},
ObjectExtensions: {
// Note: The latest version of "IE" failed 6 tests including: object literal extensions: computed accessors
// Note: The latest version of "Rhino" failed 3 tests including: object literal extensions: computed accessors
Chrome: {{start: v{44, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{12, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{34, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{4, 0, 0}}},
Opera: {{start: v{31, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
ObjectRestSpread: {
// Note: The latest version of "IE" failed 2 tests including: object rest/spread properties: object rest properties
// Note: The latest version of "Rhino" failed 2 tests including: object rest/spread properties: object rest properties
Chrome: {{start: v{60, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2018, 0, 0}}},
Firefox: {{start: v{55, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{11, 3, 0}}},
Node: {{start: v{8, 3, 0}}},
Opera: {{start: v{47, 0, 0}}},
Safari: {{start: v{11, 1, 0}}},
},
OptionalCatchBinding: {
// Note: The latest version of "IE" failed 3 tests including: optional catch binding: await
// Note: The latest version of "Rhino" failed 3 tests including: optional catch binding: await
Chrome: {{start: v{66, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2019, 0, 0}}},
Firefox: {{start: v{58, 0, 0}}},
Hermes: {{start: v{0, 12, 0}}},
IOS: {{start: v{11, 3, 0}}},
Node: {{start: v{10, 0, 0}}},
Opera: {{start: v{53, 0, 0}}},
Safari: {{start: v{11, 1, 0}}},
},
OptionalChain: {
// Note: The latest version of "IE" failed 5 tests including: optional chaining operator (?.): optional bracket access
// Note: The latest version of "Rhino" failed 5 tests including: optional chaining operator (?.): optional bracket access
Chrome: {{start: v{91, 0, 0}}},
Deno: {{start: v{1, 9, 0}}},
Edge: {{start: v{91, 0, 0}}},
ES: {{start: v{2020, 0, 0}}},
Firefox: {{start: v{74, 0, 0}}},
Hermes: {{start: v{0, 12, 0}}},
IOS: {{start: v{13, 4, 0}}},
Node: {{start: v{16, 1, 0}}},
Opera: {{start: v{77, 0, 0}}},
Safari: {{start: v{13, 1, 0}}},
},
RegexpDotAllFlag: {
// Note: The latest version of "IE" failed this test: s (dotAll) flag for regular expressions
// Note: The latest version of "Rhino" failed this test: s (dotAll) flag for regular expressions
Chrome: {{start: v{62, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2018, 0, 0}}},
Firefox: {{start: v{78, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{11, 3, 0}}},
Node: {{start: v{8, 10, 0}}},
Opera: {{start: v{49, 0, 0}}},
Safari: {{start: v{11, 1, 0}}},
},
RegexpLookbehindAssertions: {
// Note: The latest version of "IE" failed this test: RegExp Lookbehind Assertions
// Note: The latest version of "Rhino" failed this test: RegExp Lookbehind Assertions
Chrome: {{start: v{62, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2018, 0, 0}}},
Firefox: {{start: v{78, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{16, 4, 0}}},
Node: {{start: v{8, 10, 0}}},
Opera: {{start: v{49, 0, 0}}},
Safari: {{start: v{16, 4, 0}}},
},
RegexpMatchIndices: {
Chrome: {{start: v{90, 0, 0}}},
Deno: {{start: v{1, 8, 0}}},
Edge: {{start: v{90, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{88, 0, 0}}},
IOS: {{start: v{15, 0, 0}}},
Node: {{start: v{16, 0, 0}}},
Opera: {{start: v{76, 0, 0}}},
Safari: {{start: v{15, 0, 0}}},
},
RegexpNamedCaptureGroups: {
// Note: The latest version of "Hermes" failed this test: RegExp named capture groups
// Note: The latest version of "IE" failed this test: RegExp named capture groups
// Note: The latest version of "Rhino" failed this test: RegExp named capture groups
Chrome: {{start: v{64, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{79, 0, 0}}},
ES: {{start: v{2018, 0, 0}}},
Firefox: {{start: v{78, 0, 0}}},
IOS: {{start: v{11, 3, 0}}},
Node: {{start: v{10, 0, 0}}},
Opera: {{start: v{51, 0, 0}}},
Safari: {{start: v{11, 1, 0}}},
},
RegexpSetNotation: {},
RegexpStickyAndUnicodeFlags: {
// Note: The latest version of "IE" failed 6 tests including: RegExp "y" and "u" flags: "u" flag
// Note: The latest version of "Rhino" failed 6 tests including: RegExp "y" and "u" flags: "u" flag
Chrome: {{start: v{50, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{13, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{46, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{12, 0, 0}}},
Node: {{start: v{6, 0, 0}}},
Opera: {{start: v{37, 0, 0}}},
Safari: {{start: v{12, 0, 0}}},
},
RegexpUnicodePropertyEscapes: {
// Note: The latest version of "Chrome" failed this test: RegExp Unicode Property Escapes: Unicode 15.1
// Note: The latest version of "Firefox" failed this test: RegExp Unicode Property Escapes: Unicode 15.1
// Note: The latest version of "Hermes" failed 8 tests including: RegExp Unicode Property Escapes: Unicode 11
// Note: The latest version of "IE" failed 8 tests including: RegExp Unicode Property Escapes: Unicode 11
// Note: The latest version of "IOS" failed this test: RegExp Unicode Property Escapes: Unicode 15.1
// Note: The latest version of "Rhino" failed 8 tests including: RegExp Unicode Property Escapes: Unicode 11
// Note: The latest version of "Safari" failed this test: RegExp Unicode Property Escapes: Unicode 15.1
ES: {{start: v{2018, 0, 0}}},
Node: {{start: v{18, 20, 0}, end: v{19, 0, 0}}, {start: v{20, 12, 0}, end: v{21, 0, 0}}, {start: v{21, 3, 0}}},
},
RestArgument: {
// Note: The latest version of "Hermes" failed this test: rest parameters: function 'length' property
// Note: The latest version of "IE" failed 5 tests including: rest parameters: arguments object interaction
// Note: The latest version of "Rhino" failed 5 tests including: rest parameters: arguments object interaction
Chrome: {{start: v{47, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{12, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{43, 0, 0}}},
IOS: {{start: v{10, 0, 0}}},
Node: {{start: v{6, 0, 0}}},
Opera: {{start: v{34, 0, 0}}},
Safari: {{start: v{10, 0, 0}}},
},
TemplateLiteral: {
// Note: The latest version of "Hermes" failed this test: template literals: TemplateStrings call site caching
// Note: The latest version of "IE" failed 7 tests including: template literals: TemplateStrings call site caching
// Note: The latest version of "Rhino" failed 2 tests including: template literals: basic functionality
Chrome: {{start: v{41, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{13, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{34, 0, 0}}},
IOS: {{start: v{13, 0, 0}}},
Node: {{start: v{10, 0, 0}}},
Opera: {{start: v{28, 0, 0}}},
Safari: {{start: v{13, 0, 0}}},
},
TopLevelAwait: {
Chrome: {{start: v{89, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{89, 0, 0}}},
ES: {{start: v{2022, 0, 0}}},
Firefox: {{start: v{89, 0, 0}}},
IOS: {{start: v{15, 0, 0}}},
Node: {{start: v{14, 8, 0}}},
Opera: {{start: v{75, 0, 0}}},
Safari: {{start: v{15, 0, 0}}},
},
TypeofExoticObjectIsObject: {
Chrome: {{start: v{0, 0, 0}}},
Deno: {{start: v{0, 0, 0}}},
Edge: {{start: v{0, 0, 0}}},
ES: {{start: v{2020, 0, 0}}},
Firefox: {{start: v{0, 0, 0}}},
Hermes: {{start: v{0, 0, 0}}},
IOS: {{start: v{0, 0, 0}}},
Node: {{start: v{0, 0, 0}}},
Opera: {{start: v{0, 0, 0}}},
Rhino: {{start: v{0, 0, 0}}},
Safari: {{start: v{0, 0, 0}}},
},
UnicodeEscapes: {
// Note: The latest version of "IE" failed 2 tests including: Unicode code point escapes: in identifiers
// Note: The latest version of "Rhino" failed 4 tests including: Unicode code point escapes: in identifiers
Chrome: {{start: v{44, 0, 0}}},
Deno: {{start: v{1, 0, 0}}},
Edge: {{start: v{12, 0, 0}}},
ES: {{start: v{2015, 0, 0}}},
Firefox: {{start: v{53, 0, 0}}},
Hermes: {{start: v{0, 7, 0}}},
IOS: {{start: v{9, 0, 0}}},
Node: {{start: v{4, 0, 0}}},
Opera: {{start: v{31, 0, 0}}},
Safari: {{start: v{9, 0, 0}}},
},
Using: {},
}
// Return all features that are not available in at least one environment
func UnsupportedJSFeatures(constraints map[Engine]Semver) (unsupported JSFeature) {
for feature, engines := range jsTable {
if feature == InlineScript {
continue // This is purely user-specified
}
for engine, version := range constraints {
if versionRanges, ok := engines[engine]; !ok || !isVersionSupported(versionRanges, version) {
unsupported |= feature
}
}
}
return
}