chakra-core · rhuanjl · Apr 8, 2020 · Apr 8, 2020
diff --git a/tc39 Proposals.md b/tc39 Proposals.md
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+# TC39 Stage 3 and 4 Proposals with ChakraCore Implementation status
+
+TC39 proposals are proposals for new features or significant changes to Javascript. Stage 4 proposals are finalised and have either been published as part of the Javascript specification or are due for imminent publication as such. Stage 3 proposals are proposals that are ready for implementation with minor refinements to be made based on feedback from the implementation process but are otherwise considered complete.
+
+Stage|CC Status|CC Ref|Proposal|Author|Champion(s)|Expected Publication Year|
+| --- | --- | --- | --- | --- | --- | ---|
+|4|In 1.11 |n/a| [`Array.prototype.includes`][array-includes]| Domenic Denicola| Domenic Denicola<br />Rick Waldron| 2016|
+|4|In 1.11 |n/a| [Exponentiation operator][exponentiation]| Rick Waldron| Rick Waldron| 2016|
+|4|In 1.11|[PR][Object-values-entries-pr]| [`Object.values`/`Object.entries`][object-values-entries]| Jordan Harband| Jordan Harband| 2017|
+|4|In 1.11|[PR][String-padding-pr] | [String padding][string-padding] | Jordan Harband | Jordan Harband<br />Rick Waldron| 2017|
+|4|In 1.11|[PR][Object-getOwnPropertyDescriptors-pr]| [`Object.getOwnPropertyDescriptors`][object-gopds] | Jordan Harband<br />Andrea Giammarchi| Jordan Harband<br />Andrea Giammarchi | 2017|
+|4|In 1.11|n/a| [Trailing commas in function parameter lists and calls][function-commas] | Jeff Morrison| Jeff Morrison | 2017|
+|4|In 1.11|n/a| [Async functions][async-await] | Brian Terlson| Brian Terlson | 2017|
+|4|Disabled behind flag|[Implementation][Implement-Shared] [Flag][Disable-Shared] | [Shared memory and atomics][atomics] | Lars T Hansen| Lars T Hansen | 2017|
+|4|Not Started|[Issue][Template-literal-issue] | [Lifting template literal restriction][template-literal-lift]| Tim Disney | Tim Disney| 2018|
+|4|In master|[PR][RegExp-dotall-PR] | [`s` (`dotAll`) flag for regular expressions][dot-all] | Mathias Bynens | Brian Terlson<br />Mathias Bynens | 2018|
+|4|Not Started|[Issue][Regexp-named-capture-issue] | [RegExp named capture groups][named-groups]| Gorkem Yakin<br />Daniel Ehrenberg | Daniel Ehrenberg<br />Brian Terlson<br />Mathias Bynens | 2018|
+|4|In master|[PR][Object-rest-spread-PR] | [Rest/Spread Properties][object-rest-spread] | Sebastian Markbåge | Sebastian Markbåge| 2018|
+|4|Not Started|[Issue][Regexp-lookbehind-assertions-issue] | [RegExp Lookbehind Assertions][lookbehind] | Gorkem Yakin<br />Nozomu Katō<br />Daniel Ehrenberg| Daniel Ehrenberg<br />Mathias Bynens| 2018|
+|4|Not Started|[Issue][Regexp-unicode-escapes-issue] | [RegExp Unicode Property Escapes][unicode-escapes] | Mathias Bynens | Brian Terlson<br />Daniel Ehrenberg<br />Mathias Bynens | 2018|
+|4|In 1.11|[PR][Promise-finally-PR] | [`Promise.prototype.finally`][finally] | Jordan Harband | Jordan Harband| 2018|
+|4|WIP|[PR][async-iteration-PR] | [Asynchronous Iteration][async-iteration]| Domenic Denicola | Domenic Denicola| 2018|
+|4|In master|[PR][Optional-catch-PR] | [Optional `catch` binding][optional-catch] | Michael Ficarra| Michael Ficarra | 2019|
+|4|In master|[PR][JSON-super-PR] | [JSON superset][json-superset] | Richard Gibson | Mark Miller<br />Mathias Bynens | 2019|
+|4|In master|[PR][Symbol-description-PR] | [`Symbol.prototype.description`][symbol-description] | Michael Ficarra| Michael Ficarra | 2019|
+|4|In master|[PR][Function-toString-PR] | [`Function.prototype.toString` revision][function-to-string] | Michael Ficarra| Michael Ficarra | 2019|
+|4|In master|[PR][Object-fromEntries-PR] | [`Object.fromEntries`][object-from-entries]| Darien Maillet Valentine | Jordan Harband<br />Kevin Gibbons | 2019|
+|4|In master|[PR][Wellformed-stringify-PR] | [Well-formed `JSON.stringify`][well-formed-stringify]| Richard Gibson | Mathias Bynens| 2019|
+|4|In master|[PR][String-trim-PR] | [`String.prototype.{trimStart,trimEnd}`][trims]| Sebastian Markbåge | Sebastian Markbåge<br />Mathias Bynens| 2019|
+|4|In master|[PR][Array-flat-PR] | [`Array.prototype.{flat,flatMap}`][flat] | Brian Terlson<br />Michael Ficarra<br />Mathias Bynens | Brian Terlson<br />Michael Ficarra| 2019|
+|4|Not Started|[Issue][String-replaceAll-Issue] | [`String.prototype.matchAll`][matchall]| Jordan Harband | Jordan Harband| 2020|
+|4|Flagged in 1.11 enabled in Master|[PR][Dynamic-import-PR] | [`import()`][dynamic-import] | Domenic Denicola | Domenic Denicola| 2020|
+|4|WIP|[Issue][BigInt-Issue] | [`BigInt`][bigint] | Daniel Ehrenberg | Daniel Ehrenberg| 2020|
+|4|In master|[PR][Promise-allSettled-PR] | [`Promise.allSettled`][allsettled] | Jason Williams<br />Robert Pamely<br />Mathias Bynens| Mathias Bynens| 2020|
+|4|In master|[PR][globalThis-PR] | [`globalThis`][globalThis] | Jordan Harband | Jordan Harband| 2020|
+|4|Not Started| | [`for-in` mechanics][for-in-mechanics] | Kevin Gibbons| Kevin Gibbons | 2020|
+|4|Not Started|[Issue][Optional-chaining-issue] | [Optional Chaining][chaining]| Gabriel Isenberg<br />Claude Pache<br />Dustin Savery| Gabriel Isenberg<br />Dustin Savery<br />Justin Ridgewell<br />Daniel Rosenwasser |2020|
+|4|WIP|[PR][Nullish-coallescing-PR] | [Nullish coalescing Operator][nullish-coalescing]| Gabriel Isenberg | Gabriel Isenberg<br />Justin Ridgewell<br />Daniel Rosenwasser |2020 |
+|4|In master|[PR][Import-meta-PR] | [`import.meta`][import-meta] | Domenic Denicola | Gus Caplan| 2020|
+|3|Not Started| | [Legacy RegExp features in JavaScript][regexp-legacy]| Claude Pache| Mark Miller<br />Claude Pache |
+|3|Not Started| | [Private instance methods and accessors][private-methods]| Daniel Ehrenberg| Daniel Ehrenberg<br />Kevin Gibbons |
+|3|Not Started|[Issue][class-fields-issue] | [Class Public Instance Fields & Private Instance Fields][class-fields] | Daniel Ehrenberg<br />Kevin Gibbons | Daniel Ehrenberg<br />Jeff Morrison<br />Kevin Smith<br />Kevin Gibbons |
+|3|Not Started| | [Static class fields and private static methods][static-class-features]| Daniel Ehrenberg<br />Kevin Gibbons<br />Jeff Morrison<br />Kevin Smith | Shu-Yu Guo<br />Daniel Ehrenberg|
+|3|In master|[PR][hashbang-PR] | [Hashbang Grammar][hashbang-grammar] | Bradley Farias| Bradley Farias| 
+|3|In master|[PR][numeric-seperator-PR] | [Numeric separators][numeric_separators] | Sam Goto<br />Rick Waldron| Sam Goto<br />Rick Waldron|
+|3|WIP|[Issue][top-level-await-issue] | [Top-level `await`][await] | Myles Borins| Myles Borins|
+|3|Not Started| | [WeakRefs][weakrefs] | Dean Tribble<br />Sathya Gunasekaran| Dean Tribble<br />Mark Miller<br />Till Schneidereit<br />Sathya Gunasekaran<br />Daniel Ehrenberg |
+|3|Not Started| | [RegExp Match Indices][regex-match-indices]| Ron Buckton | Ron Buckton |
+|3|Not Started|[Issue][String-replaceAll-Issue] | [`String.prototype.replaceAll`][replace-all] | Peter Marshall<br />Jakob Gruber<br />Mathias Bynens| Mathias Bynens|
+|3|WIP|[PR][Promise-any-PR] | [`Promise.any`][promise-any] | Mathias Bynens<br />Kevin Gibbons<br />Sergey Rubanov | Mathias Bynens|
+|3|Not Started| | [`Atomics.waitAsync`][nonblocking] | Lars Hansen | Shu-yu Guo<br />Lars Hansen |
+|3|Not Started| | [Logical Assignment Operators][logical-assignment] | Justin Ridgewell| Justin Ridgewell <br /> Hemanth HM|
+
+
+
+[array-includes]: https://github.com/tc39/Array.prototype.includes
+[exponentiation]: https://github.com/tc39/proposal-exponentiation-operator
+[object-values-entries]: https://github.com/tc39/proposal-object-values-entries
+[string-padding]: https://github.com/tc39/proposal-string-pad-start-end
+[object-gopds]: https://github.com/tc39/proposal-object-getownpropertydescriptors
+[function-commas]: https://github.com/tc39/proposal-trailing-function-commas
+[async-await]: https://github.com/tc39/ecmascript-asyncawait
+[atomics]: https://github.com/tc39/ecmascript_sharedmem
+[template-literal-lift]: https://github.com/tc39/proposal-template-literal-revision
+[dot-all]: https://github.com/tc39/proposal-regexp-dotall-flag
+[named-groups]: https://github.com/tc39/proposal-regexp-named-groups
+[object-rest-spread]: https://github.com/tc39/proposal-object-rest-spread
+[lookbehind]: https://github.com/tc39/proposal-regexp-lookbehind
+[unicode-escapes]: https://github.com/tc39/proposal-regexp-unicode-property-escapes
+[finally]: https://github.com/tc39/proposal-promise-finally
+[async-iteration]: https://github.com/tc39/proposal-async-iteration
+[optional-catch]: https://github.com/tc39/proposal-optional-catch-binding
+[json-superset]: https://github.com/tc39/proposal-json-superset
+[symbol-description]: https://github.com/tc39/proposal-Symbol-description
+[function-to-string]: https://github.com/tc39/Function-prototype-toString-revision
+[object-from-entries]: https://github.com/tc39/proposal-object-from-entries
+[well-formed-stringify]: https://github.com/tc39/proposal-well-formed-stringify
+[trims]: https://github.com/tc39/proposal-string-left-right-trim
+[flat]: https://github.com/tc39/proposal-flatMap
+[matchall]: https://github.com/tc39/String.prototype.matchAll
+[dynamic-import]: https://github.com/tc39/proposal-dynamic-import
+[allsettled]: https://github.com/tc39/proposal-promise-allSettled
+[bigint]: https://github.com/tc39/proposal-bigint
+[globalThis]: https://github.com/tc39/proposal-global
+[for-in-mechanics]: https://github.com/tc39/proposal-for-in-order
+[chaining]: https://github.com/tc39/proposal-optional-chaining
+[nullish-coalescing]: https://github.com/tc39/proposal-nullish-coalescing
+[import-meta]: https://github.com/tc39/proposal-import-meta
+[regexp-legacy]: https://github.com/tc39/proposal-regexp-legacy-features
+[tests-regexp-legacy]: https://github.com/tc39/test262/issues/2371
+[class-fields]: https://github.com/tc39/proposal-class-fields
+[tests-class-fields]: https://github.com/tc39/test262/issues/1161
+[numeric_separators]: https://github.com/tc39/proposal-numeric-separator
+[private-methods]: https://github.com/tc39/proposal-private-methods
+[weakrefs]: https://github.com/tc39/proposal-weakrefs
+[nonblocking]: https://github.com/tc39/proposal-atomics-wait-async
+[replace-all]: https://github.com/tc39/proposal-string-replaceall
+[static-class-features]: http://github.com/tc39/proposal-static-class-features/
+[await]: https://github.com/tc39/proposal-top-level-await
+[hashbang-grammar]: https://github.com/tc39/proposal-hashbang
+[richer-keys]: https://github.com/tc39/proposal-richer-keys
+[regex-match-indices]: https://github.com/tc39/proposal-regexp-match-Indices
+[resource-management]: https://github.com/tc39/proposal-using-statement
+[standard-library]: https://github.com/tc39/proposal-javascript-standard-library
+[private-declarations]: https://github.com/tc39/proposal-private-declarations
+[promise-any]: https://github.com/tc39/proposal-promise-any
+[logical-assignment]: https://github.com/tc39/proposal-logical-assignment
+
+[Object-values-entries-pr]: https://github.com/microsoft/ChakraCore/pull/171
+[String-padding-pr]: https://github.com/microsoft/ChakraCore/pull/174
+[Object-getOwnPropertyDescriptors-pr]: https://github.com/microsoft/ChakraCore/pull/1202
+[Implement-Shared]: https://github.com/microsoft/ChakraCore/pull/2939
+[Disable-Shared]: https://github.com/microsoft/ChakraCore/commit/ee2538d7b38be8093d9c9341d761d4e8267050bc
+[Template-literal-issue]: https://github.com/microsoft/ChakraCore/issues/2344
+[RegExp-dotall-PR]: https://github.com/microsoft/ChakraCore/pull/5592
+[Regexp-named-capture-issue]: https://github.com/microsoft/ChakraCore/issues/3928
+[Object-rest-spread-PR]: https://github.com/microsoft/ChakraCore/pull/6130
+[Regexp-lookbehind-assertions-issue]: https://github.com/microsoft/ChakraCore/issues/3448
+[Regexp-unicode-escapes-issue]: https://github.com/microsoft/ChakraCore/issues/2969
+[Promise-finally-PR]: https://github.com/microsoft/ChakraCore/pull/4668
+[async-iteration-PR]: https://github.com/microsoft/ChakraCore/pull/6312
+[Optional-catch-PR]: https://github.com/microsoft/ChakraCore/pull/5310
+[JSON-super-PR]: https://github.com/microsoft/ChakraCore/pull/6211
+[Symbol-description-PR]: https://github.com/microsoft/ChakraCore/pull/5828
+[Function-toString-PR]: https://github.com/microsoft/ChakraCore/pull/5446
+[Object-fromEntries-PR]: https://github.com/microsoft/ChakraCore/pull/5622
+[Wellformed-stringify-PR]: https://github.com/microsoft/ChakraCore/pull/6206
+[String-trim-PR]: https://github.com/microsoft/ChakraCore/pull/5693
+[Array-flat-PR]: https://github.com/microsoft/ChakraCore/pull/5573
+[String-replaceAll-Issue]: https://github.com/microsoft/ChakraCore/issues/6297
+[Dynamic-import-PR]: https://github.com/microsoft/ChakraCore/pull/6233
+[BigInt-Issue]: https://github.com/microsoft/ChakraCore/issues/5440
+[Promise-allSettled-PR]: https://github.com/microsoft/ChakraCore/pull/6138
+[globalThis-PR]: https://github.com/microsoft/ChakraCore/pull/5885
+[Optional-chaining-issue]: https://github.com/microsoft/ChakraCore/issues/6349
+[Nullish-coallescing-PR]: https://github.com/microsoft/ChakraCore/pull/6254
+[Import-meta-PR]: https://github.com/microsoft/ChakraCore/pull/6156
+[class-fields-issue]: https://github.com/microsoft/ChakraCore/issues/6136
+[hashbang-PR]: https://github.com/microsoft/ChakraCore/pull/6145
+[numeric-seperator-PR]: https://github.com/microsoft/ChakraCore/pull/6143
+[top-level-await-issue]: https://github.com/microsoft/ChakraCore/issues/6262
+[Promise-any-PR]: https://github.com/microsoft/ChakraCore/pull/6301