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support class static blocks (stage-4)

See original GitHub issue

What is the name of the syntax to implement? class static blocks

Please provide the TC39 URL for the syntax proposal: https://github.com/tc39/proposal-class-static-block

Please provide some example code for the new syntax:

// with static blocks:
class C {
  static x = ...;
  static y;
  static z;
  static {
    try {
      const obj = doSomethingWith(this.x);
      this.y = obj.y;
      this.z = obj.z;
    }
    catch {
      this.y = ...;
      this.z = ...;
    }
  }
}

Implementation Checklist

Please check off all items that have already been completed. Be sure to paste the pull request URLs next to each item so we can verify the work as done.

Ecma262 update: https://github.com/tc39/ecma262/pull/2440
ESTree update: https://github.com/estree/estree/pull/254
Acorn update: https://github.com/acornjs/acorn/pull/1063
eslint-visitor-keys update: https://github.com/eslint/eslint-visitor-keys/pull/29, https://github.com/eslint/eslint/pull/15277
espree update: https://github.com/eslint/espree/pull/518
eslint-scope update: https://github.com/eslint/eslint-scope/pull/80, https://github.com/eslint/eslint/pull/15321
eslint update:
- Code Path Analysis https://github.com/eslint/eslint/pull/15282
- Rules
  - block-scoped-var https://github.com/eslint/eslint/pull/15302
  - block-spacing https://github.com/eslint/eslint/pull/15297
  - brace-style https://github.com/eslint/eslint/pull/15322
  - class-methods-use-this https://github.com/eslint/eslint/pull/15298
  - complexity https://github.com/eslint/eslint/pull/15328
  - indent https://github.com/eslint/eslint/pull/15324
  - keyword-spacing https://github.com/eslint/eslint/pull/15289
  - lines-around-comment https://github.com/eslint/eslint/pull/15323
  - max-depth https://github.com/eslint/eslint/pull/15316
  - max-statements https://github.com/eslint/eslint/pull/15315
  - no-lone-blocks https://github.com/eslint/eslint/pull/15295
  - ~no-empty (or no-empty-function?)~ neither, possibly a new rule.
  - no-eval https://github.com/eslint/eslint/pull/15300
  - no-extra-semi https://github.com/eslint/eslint/pull/15287
  - no-inner-declarations https://github.com/eslint/eslint/pull/15290
  - no-invalid-this https://github.com/eslint/eslint/pull/15300
  - no-redeclare https://github.com/eslint/eslint/pull/15313
  - no-unused-expressions https://github.com/eslint/eslint/pull/15283
  - no-use-before-define https://github.com/eslint/eslint/pull/15312
  - one-var https://github.com/eslint/eslint/pull/15317
  - padded-blocks https://github.com/eslint/eslint/pull/15333
  - padding-line-between-statements https://github.com/eslint/eslint/pull/15318
  - prefer-const https://github.com/eslint/eslint/pull/15325
  - semi https://github.com/eslint/eslint/pull/15286
  - semi-style https://github.com/eslint/eslint/pull/15309
  - strict https://github.com/eslint/eslint/pull/15314
  - vars-on-top https://github.com/eslint/eslint/pull/15306

Are you willing to submit a pull request to implement this syntax? y

Issue Analytics

State:
Created 2 years ago
Reactions:6
Comments:12 (12 by maintainers)

Top GitHub Comments

2reactions

nzakascommented, Sep 2, 2021

This looks like it will need a new scope in eslint-scope and a new code path type.

1reaction

btmillscommented, Nov 21, 2021

All currently-known work to implement class static blocks just shipped in ESLint v8.3.0!

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