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fix(eslint-plugin): [typedef] stop enforcing rule for assignment expressions #4958

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merged 3 commits into from May 16, 2022
Merged

fix(eslint-plugin): [typedef] stop enforcing rule for assignment expressions #4958

merged 3 commits into from May 16, 2022

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danstiner
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@danstiner danstiner commented May 10, 2022

PR Checklist

Overview

Assignment expressions cannot have type annotations themselves, so we should not try to require they do in the typedef rule.

As a simple example, the following is valid typescript and should not get an error or warning from the typedef rule.

let a: number;
[a] = [1];

Done on-stream with @JoshuaKGoldberg

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Thanks for the PR, @danstiner!

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codecov bot commented May 10, 2022

Codecov Report

Merging #4958 (8b860c7) into main (77e15a9) will increase coverage by 1.60%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##             main    #4958      +/-   ##
==========================================
+ Coverage   92.64%   94.24%   +1.60%     
==========================================
  Files         190      153      -37     
  Lines       10251     8307    -1944     
  Branches     3249     2704     -545     
==========================================
- Hits         9497     7829    -1668     
+ Misses        502      263     -239     
+ Partials      252      215      -37     
Flag Coverage Δ
unittest 94.24% <66.66%> (+1.60%) ⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files Coverage Δ
packages/eslint-plugin/src/rules/array-type.ts 97.18% <ø> (ø)
packages/eslint-plugin/src/rules/ban-types.ts 100.00% <ø> (ø)
packages/eslint-plugin/src/rules/typedef.ts 96.00% <66.66%> (-1.27%) ⬇️
packages/type-utils/src/getDeclaration.ts
...escript-estree/src/semantic-or-syntactic-errors.ts
packages/type-utils/src/getTypeArguments.ts
packages/typescript-estree/src/convert.ts
packages/typescript-estree/src/node-utils.ts
packages/type-utils/src/getTypeName.ts
packages/type-utils/src/isUnsafeAssignment.ts
... and 30 more

@danstiner danstiner marked this pull request as ready for review May 10, 2022 21:20
@bradzacher bradzacher added the bug Something isn't working label May 10, 2022
@bradzacher bradzacher changed the title fix(eslint-plugin): stop enforcing typedef rule for assignment expressions fix(eslint-plugin): [typedef] stop enforcing rule for assignment expressions May 10, 2022
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@JoshuaKGoldberg JoshuaKGoldberg left a comment

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This looks great to me, thanks @danstiner! Only not approving because I was on the stream and an a partial co-author sort of.

Re the codecov drop: that todo we mentioned about how node.parent shouldn't be nullable is coming into play. When we eventually fix for it, hopefully we'll be able to get rid of this and a bunch of other ?.s.

@bradzacher bradzacher merged commit 04a216c into typescript-eslint:main May 16, 2022
@danstiner danstiner deleted the bug-4725-fix-typedef-on-array-expressions branch May 16, 2022 19:58
crapStone pushed a commit to Calciumdibromid/CaBr2 that referenced this pull request May 19, 2022
This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint) | devDependencies | minor | [`5.23.0` -> `5.25.0`](https://renovatebot.com/diffs/npm/@typescript-eslint%2feslint-plugin/5.23.0/5.25.0) |
| [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint) | devDependencies | minor | [`5.23.0` -> `5.25.0`](https://renovatebot.com/diffs/npm/@typescript-eslint%2fparser/5.23.0/5.25.0) |

---

### Release Notes

<details>
<summary>typescript-eslint/typescript-eslint (@&#8203;typescript-eslint/eslint-plugin)</summary>

### [`v5.25.0`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#&#8203;5250-httpsgithubcomtypescript-eslinttypescript-eslintcomparev5240v5250-2022-05-17)

[Compare Source](typescript-eslint/typescript-eslint@v5.24.0...v5.25.0)

##### Bug Fixes

-   **eslint-plugin:** \[typedef] stop enforcing rule for assignment expressions ([#&#8203;4958](typescript-eslint/typescript-eslint#4958)) ([04a216c](typescript-eslint/typescript-eslint@04a216c))
-   **eslint-plugin:** strict config should not extend recommended ([#&#8203;5005](typescript-eslint/typescript-eslint#5005)) ([05d71c2](typescript-eslint/typescript-eslint@05d71c2))
-   **website:** correct Presets link to be Configs ([#&#8203;5004](typescript-eslint/typescript-eslint#5004)) ([e18e91c](typescript-eslint/typescript-eslint@e18e91c))

##### Features

-   **eslint-plugin:** \[no-empty-function] new allow option overrideMethods ([#&#8203;4923](typescript-eslint/typescript-eslint#4923)) ([13c05ae](typescript-eslint/typescript-eslint@13c05ae))
-   **eslint-plugin:** deprecate `no-duplicate-imports` in favour of `import/no-duplicates` ([#&#8203;4973](typescript-eslint/typescript-eslint#4973)) ([1d2e41a](typescript-eslint/typescript-eslint@1d2e41a))
-   update to TypeScript 4.7-rc ([#&#8203;4829](typescript-eslint/typescript-eslint#4829)) ([6fe783c](typescript-eslint/typescript-eslint@6fe783c))

### [`v5.24.0`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#&#8203;5240-httpsgithubcomtypescript-eslinttypescript-eslintcomparev5230v5240-2022-05-16)

[Compare Source](typescript-eslint/typescript-eslint@v5.23.0...v5.24.0)

##### Bug Fixes

-   **eslint-plugin:** \[array-type] in fixer add missing parens for constructor types [#&#8203;4756](typescript-eslint/typescript-eslint#4756) ([#&#8203;4971](typescript-eslint/typescript-eslint#4971)) ([0377070](typescript-eslint/typescript-eslint@0377070))

##### Features

-   **eslint-plugin:** Add BigInt object type to default ban-types list ([#&#8203;4970](typescript-eslint/typescript-eslint#4970)) ([1867728](typescript-eslint/typescript-eslint@1867728))
-   **eslint-plugin:** add new 'strict' config ([#&#8203;4706](typescript-eslint/typescript-eslint#4706)) ([4a500b2](typescript-eslint/typescript-eslint@4a500b2))

</details>

<details>
<summary>typescript-eslint/typescript-eslint (@&#8203;typescript-eslint/parser)</summary>

### [`v5.25.0`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/parser/CHANGELOG.md#&#8203;5250-httpsgithubcomtypescript-eslinttypescript-eslintcomparev5240v5250-2022-05-17)

[Compare Source](typescript-eslint/typescript-eslint@v5.24.0...v5.25.0)

**Note:** Version bump only for package [@&#8203;typescript-eslint/parser](https://github.com/typescript-eslint/parser)

### [`v5.24.0`](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/parser/CHANGELOG.md#&#8203;5240-httpsgithubcomtypescript-eslinttypescript-eslintcomparev5230v5240-2022-05-16)

[Compare Source](typescript-eslint/typescript-eslint@v5.23.0...v5.24.0)

**Note:** Version bump only for package [@&#8203;typescript-eslint/parser](https://github.com/typescript-eslint/parser)

</details>

---

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♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these updates again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

Co-authored-by: cabr2-bot <cabr2.help@gmail.com>
Reviewed-on: https://codeberg.org/Calciumdibromid/CaBr2/pulls/1357
Reviewed-by: 6543 <6543@noreply.codeberg.org>
Co-authored-by: Calciumdibromid Bot <cabr2_bot@noreply.codeberg.org>
Co-committed-by: Calciumdibromid Bot <cabr2_bot@noreply.codeberg.org>
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[typedef] False positive errors on deep destructuring
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