tc39 proposal-pattern-matching issues

tc39 / proposal-pattern-matching

Pattern matching syntax for ECMAScript

https://tc39.es/proposal-pattern-matching/

MIT License

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issues

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Custom Matchers potentially improve Map and Set objects

#335 NagayamaToshiaki closed 1 day ago
2
It would be nice to have this too

#334 oleedd closed 2 months ago
3
Normative: remove RegularExpressionPattern

#333 Jack-Works closed 2 months ago
0
Champion Meeting Notes 2024-09-06

#332 tabatkins closed 2 months ago
2
Should we allow `super [ Expression ]` in `PatternMatchingMemberExpression`?

#331 JLHwung opened 4 months ago
3
Questions about match expression

#328 NagayamaToshiaki closed 2 months ago
1
Seemingly typo in Arglist Patterns Examples

#327 NagayamaToshiaki closed 6 months ago
0
Adding more real life implementations of the proposal

#326 R0DR160HM closed 7 months ago
0
Disallow { a }

#325 Jack-Works opened 7 months ago
9
Do we need iterator/object property caching?

#324 littledan opened 7 months ago
35
Syntax effects on rest of the language

#323 waldemarhorwat opened 7 months ago
0
Proposed simplification & increased symmetry

#322 erights opened 7 months ago
53
How do `if(<expression>)` guard patterns interact with array/object pattern caches?

#321 gibson042 opened 8 months ago
4
Many README "Examples" blocks are empty

#320 gibson042 opened 8 months ago
3
README implies that regular expression literals are privileged over other instances

#319 gibson042 closed 2 months ago
1
README and rendered spec are inconsistent about Symbol.matcher vs. Symbol.customMatcher

#318 gibson042 closed 8 months ago
1
`NaN`/`undefined`/`Infinity` should be matched as bindings rather than static values

#317 gibson042 opened 8 months ago
4
I have written a Pattern Matching library. RFC

#316 sumanthyedoti opened 8 months ago
0
Champion Meeting Notes, 2024-03-04

#315 tabatkins closed 8 months ago
2
let and relationship to extractors

#314 littledan closed 8 months ago
7
Where is this group's current draft?

#313 littledan closed 8 months ago
4
Why not Typescript-like syntax?

#312 lilnasy closed 11 months ago
3
Champion Meeting Notes, 2023-12-11

#311 tabatkins closed 11 months ago
1
JSON.parse[@@customMatcher]?

#310 Jack-Works opened 12 months ago
6
Consider type annotations as pattern syntax

#309 kaleidawave opened 1 year ago
2
Repeat a pattern many times inside array pattern

#308 Jack-Works closed 1 year ago
2
Champion Meeting Notes 2023-10-16

#307 tabatkins closed 1 year ago
0
Syntax feature layering

#306 Jack-Works opened 1 year ago
0
Could we re-evaluate what our "must-haves" are?

#305 rkirsling opened 1 year ago
9
Dropping `when` keyword from match clauses?

#304 tabatkins opened 1 year ago
17
Splitting Variable/Extractor matcher hook?

#303 tabatkins closed 8 months ago
8
Champion Meeting Notes 2023-10-02

#302 tabatkins closed 1 year ago
0
Maybe JS doesn't really need pattern matching

#301 theScottyJam closed 8 months ago
15
I guess

#300 LivioGama closed 1 year ago
1
https://dart.dev/language/patterns

#299 HudsonAfonso closed 8 months ago
1
Champion Meeting Notes 2023-09-18

#298 tabatkins closed 1 year ago
0
Change grammar to require using `let` or `const` for capturing values from within pattern.

#297 nmn closed 8 months ago
7
Why do you want to add a new keyword?

#296 simonovtony closed 1 year ago
7
Normative: New pattern matching design

#295 Jack-Works closed 8 months ago
2
Statement version of match expression

#294 Jack-Works opened 1 year ago
8
Update proposal to match new group consensus

#293 tabatkins closed 8 months ago
7
Allow providing error message in Matcher protocol

#292 theScottyJam opened 1 year ago
4
Inappropriate example

#291 TomokiMiyauci closed 1 year ago
2
Spec: Use Map instead of WeakMap

#290 Jack-Works closed 1 year ago
4
Pattern-matching `#record{}` & `#tuple[]`

#289 kael closed 1 year ago
3
Alternative syntax design: `case => ...` vs `when : ...`

#288 xieyuheng closed 2 years ago
11
Fixing anchor link

#287 getify closed 2 years ago
0
Stage 2 and `when`

#286 johnknoop closed 2 years ago
1
Fix a broken link in the README

#285 theScottyJam closed 2 years ago
1
Normative: add `expr is pattern` expression

#284 Jack-Works closed 2 years ago
0