chore(deps): update linters

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@typescript-eslint/eslint-plugin (source)	8.57.1 → 8.64.0
@typescript-eslint/parser (source)	8.57.1 → 8.64.0
eslint (source)	9.39.4 → 9.39.5
prettier (source)	3.8.1 → 3.9.5

---

Release Notes

typescript-eslint/typescript-eslint (@​typescript-eslint/eslint-plugin)

v8.64.0

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🚀 Features

• eslint-plugin: [no-loop-func] support using / await using declarations and deprecate the rule (#​12500)
• typescript-estree: throw for invalid definite assignment in class properties (#​12543)

🩹 Fixes

• eslint-plugin: [require-array-sort-compare] handle constrained arrays (#​12512)

❤️ Thank You

• Evyatar Daud @​StyleShit
• 송재욱

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.63.0

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🚀 Features

• eslint-plugin: [no-misused-promises] detect async usage of a sync dispose usage (#​12426)

🩹 Fixes

• eslint-plugin: [no-base-to-string] don't flag a shadowed String() call (#​12492)
• eslint-plugin: [no-unnecessary-type-assertion] handle optional-chained calls to overloaded functions (#​12491, #​12485)
• eslint-plugin: [method-signature-style] suggest converting readonly function properties instead of emitting invalid syntax (#​12447, #​12446)

❤️ Thank You

• Evyatar Daud @​StyleShit
• Kristjan @​KristjanTammekivi
• Michael Naumov @​mnaoumov
• Serhii Leniv @​Serhii-Leniv
• 송재욱

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.62.1

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🩹 Fixes

• eslint-plugin: [no-unnecessary-type-assertion] parenthesize object literal at left edge of expression statement (#​12443, #​12418)
• eslint-plugin: [no-unnecessary-boolean-literal-compare] preserve boolean result in fixer for nullable true comparisons (#​12365)
• eslint-plugin: [prefer-optional-chain] use suggestion instead of autofix for trailing binary operator (#​12328)

❤️ Thank You

• Kirk Waiblinger @​kirkwaiblinger
• mdm317
• Patrick Aleite
• 송재욱

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.62.0

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🚀 Features

• remove redundant package.json "files" (#​12444)

❤️ Thank You

• Kirk Waiblinger @​kirkwaiblinger

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.61.1

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🩹 Fixes

• eslint-plugin: [no-unnecessary-template-expression] respect ECMAScript line terminators (#​12388)
• eslint-plugin: [no-unnecessary-boolean-literal-compare] fix precedence bug in autofix (#​12413)
• eslint-plugin: [no-unnecessary-type-assertion] wrap object literal in parens when removing TSTypeAssertion in arrow body (#​12394, #​12393)
• eslint-plugin: [no-unnecessary-type-assertion] avoid false positive for template literal expressions (#​12281)
• eslint-plugin: [consistent-indexed-object-style] do not remove comments when fixing (#​12396, #​10577)

❤️ Thank You

• Anas @​anasm266
• Deftera @​Deftera186
• Kirk Waiblinger @​kirkwaiblinger
• lumir
• Sarath Francis @​sarathfrancis90

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.61.0

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🚀 Features

• ast-spec: change type of UnaryExpression.prefix to always true (#​12372)

❤️ Thank You

• Kirk Waiblinger @​kirkwaiblinger

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.60.1

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🩹 Fixes

• eslint-plugin: [no-shadow] correct rule to match ESLint v10 handling (#​12182)
• eslint-plugin: respect ECMAScript line terminators in ts-comment rules (#​12352)

❤️ Thank You

• lumir
• Nevette Bailey @​nevette-bailey

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.60.0

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This was a version bump only for eslint-plugin to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.4

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🩹 Fixes

• eslint-plugin: [no-floating-promises] stack overflow when using recursive types (#​12294)

❤️ Thank You

• Evyatar Daud @​StyleShit

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.3

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This was a version bump only for eslint-plugin to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.2

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🩹 Fixes

• eslint-plugin: [no-deprecated] object destructuring values should be treated as declarations (#​12292)
• eslint-plugin: [no-unsafe-type-assertion] handle crash on recursive template literal types (#​12150)

❤️ Thank You

• Dima Barabash
• Kirk Waiblinger @​kirkwaiblinger

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.1

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🩹 Fixes

• eslint-plugin: [no-unnecessary-condition] treat void as nullish in no-unnecessary-condition (#​12241)
• eslint-plugin: [no-unnecessary-type-arguments] handle instantiation expressions (#​12220)
• eslint-plugin: [no-unnecessary-type-assertion] avoid false positive in logical assignment assertions (#​12278)
• eslint-plugin: [no-unnecessary-type-assertion] preserve phantom type arguments in generic inference (#​12269)
• eslint-plugin: [no-unnecessary-type-assertion] preserve index signatures in undefined unions (#​12257)
• eslint-plugin: [no-unnecessary-type-assertion] fix crash "TypeError: checker.getTypeArguments is not a function" (#​12246)

❤️ Thank You

• anasm266 @​anasm266
• Anshika Jain @​Anshikakalpana
• Ulrich Stark
• yugo innami @​nami8824

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.0

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🚀 Features

• eslint-plugin: [no-unnecessary-type-assertion] report more cases based on assignability (#​11789)

❤️ Thank You

• Ulrich Stark

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.58.2

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🩹 Fixes

• eslint-plugin: [no-unnecessary-condition] use assignability checks in checkTypePredicates (#​12147)
• remove tsbuildinfo cache file from published packages (#​12187)

❤️ Thank You

• Abhijeet Singh @​cseas
• 송재욱

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.58.1

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🩹 Fixes

• eslint-plugin: [no-unused-vars] fix false negative for type predicate parameter (#​12004)

❤️ Thank You

• MinJae @​Ju-MINJAE

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.58.0

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🚀 Features

• support TypeScript 6 (#​12124)

🩹 Fixes

• eslint-plugin: [prefer-regexp-exec] avoid fixing unknown RegExp flags (#​12161)
• eslint-plugin: [no-extraneous-class] handle index signatures (#​12142)
• eslint-plugin: crash in no-unnecessary-type-arguments (#​12163)

❤️ Thank You

• ej shafran @​ej-shafran
• Evyatar Daud @​StyleShit
• GG ZIBLAKING
• milkboy2564 @​SeolJaeHyeok
• teee32 @​teee32

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.57.2

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🩹 Fixes

• eslint-plugin: [prefer-readonly-parameter-types] preserve type alias infomation (#​11954)
• eslint-plugin: [no-useless-default-assignment] skip reporting false positives for unresolved type parameters (#​12127)
• eslint-plugin: [no-unsafe-return] false positive on unwrapping generic (#​12125)
• eslint-plugin: [no-restricted-types] flag banned generics in extends or implements (#​12120)
• eslint-plugin: [array-type] ignore Array and ReadonlyArray without type arguments (#​11971)
• eslint-plugin: [prefer-optional-chain] remove dangling closing parenthesis (#​11865)

❤️ Thank You

• Kirk Waiblinger @​kirkwaiblinger
• Konv Suu
• mdm317
• Newton Yuan @​NewtonYuan
• SungHyun627 @​SungHyun627
• Tamashoo @​Tamashoo

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

typescript-eslint/typescript-eslint (@​typescript-eslint/parser)

v8.64.0

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.63.0

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.62.1

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.62.0

Compare Source

🚀 Features

• remove redundant package.json "files" (#​12444)

❤️ Thank You

• Kirk Waiblinger @​kirkwaiblinger

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.61.1

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.61.0

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.60.1

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.60.0

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.4

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.3

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.2

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.1

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.59.0

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.58.2

Compare Source

🩹 Fixes

• remove tsbuildinfo cache file from published packages (#​12187)

❤️ Thank You

• Abhijeet Singh @​cseas

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.58.1

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.58.0

Compare Source

🚀 Features

• support TypeScript 6 (#​12124)

❤️ Thank You

• Evyatar Daud @​StyleShit

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.57.2

Compare Source

This was a version bump only for parser to align it with other projects, there were no code changes.

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

eslint/eslint (eslint)

v9.39.5

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prettier/prettier (prettier)

v3.9.5

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diff

Markdown: Cap ordered list mark at 999,999,999 (#​19351 by @​tats-u)

CommonMark parsers only support ordered list item numbers up to 999,999,999.

With this change, Prettier now caps the ordered list item number at 999,999,999 to ensure that the output is correctly parsed as an ordered list by CommonMark parsers. Numbers larger than 999,999,999 are not parsed as list item numbers and are left unchanged in the output:

<!-- Input -->
999999998. text
999999998. text
999999998. text
999999998. text

1234567890123456789012) text

<!-- Prettier 3.9.4 -->
999999998. text
999999999. text
1000000000. text
1000000001. text

1234567890123456789012) text

<!-- Prettier 3.9.5 -->
999999998. text
999999999. text
999999999. text
999999999. text

1234567890123456789012) text

Markdown: Avoid corrupting empty link with title (#​19487 by @​andersk)

Do not remove <> from an inline link or image with an empty URL and a title, as this removal would change its interpretation.

<!-- Input -->
[link](<> "title")

<!-- Prettier 3.9.4 -->
[link]( "title")

<!-- Prettier 3.9.5 -->
[link](<> "title")

Less: Remove extra spaces after [ in map lookups (#​19503 by @​kovsu)

// Input
.foo {
  color: #theme[ primary];
  color: #theme[@​name];
  color: #theme[@​@​name];
}

// Prettier 3.9.4
.foo {
  color: #theme[ primary];
  color: #theme[ @​name];
  color: #theme[ @​@​name];
}

// Prettier 3.9.5
.foo {
  color: #theme[primary];
  color: #theme[@​name];
  color: #theme[@​@​name];
}

CSS: Prevent addition space in type() with + (#​19516 by @​bigandy)

This fixes the addition space before + in CSS type() declaration. For example type(<number>+) was being converted into type(<number> +) which is invalid CSS and does not work.

/* Input */
div {
  border-radius: attr(br type(<length>+));
}

/* Prettier 3.9.4 */
div {
  border-radius: attr(br type(<length> +));
}

/* Prettier 3.9.5 */
div {
  border-radius: attr(br type(<length>+));
}

Less: Remove spaces between merge markers and colons (#​19517 by @​kovsu)

// Input
a {
  box-shadow  +  : 0 0 1px #​000;
}

// Prettier 3.9.4
a {
  box-shadow+  : 0 0 1px #​000;
}

// Prettier 3.9.5
a {
  box-shadow+: 0 0 1px #​000;
}

Markdown: Preserve wiki links with aliases (#​19527 by @​kovsu)

<!-- Input -->
[[Foo:Bar]]

<!-- Prettier 3.9.4 -->
[[Foo]]

<!-- Prettier 3.9.5 -->
[[Foo:Bar]]

TypeScript: Fix comments being dropped on shorthand type import/export specifiers (#​19565 by @​kirkwaiblinger)

// Input
export { type /* comment */ T } from "foo";
import { type /* comment */ T } from "foo";

// Prettier 3.9.4
Error: Comment "comment" was not printed. Please report this error!

// Prettier 3.9.5
export { type /* comment */ T } from "foo";
import { type /* comment */ T } from "foo";

Miscellaneous: Preserving comments' placement property (#​19567 by @​Janther)

Prettier@​3.9.0 deleted an undocumented property on comments, which was already used by plugins, comment.placement is now available again after comment attach.

Flow: Stop enforcing empty module declaration to break (#​19568 by @​fisker)

// Input
declare module "foo" {}

// Prettier 3.9.4
declare module "foo" {
}

// Prettier 3.9.5
declare module "foo" {}

Angular: Support expression for exhaustive typechecking (#​19571 by @​fisker)

<!-- Input -->
@&#8203;switch (state.mode) {
  @&#8203;default never(state);
}

<!-- Prettier 3.9.4 -->
@&#8203;switch (state.mode) {
  @&#8203;default never;
}

<!-- Prettier 3.9.5 -->
@&#8203;switch (state.mode) {
  @&#8203;default never(state);
}

TypeScript: Ignore comments inside mapped type when checking type parameter comments (#​19572 by @​fisker)

// Input
foo<{
  // comment
  [key in keyof Foo]: number
}>();

// Prettier 3.9.4
foo<
  {
    // comment
    [key in keyof Foo]: number;
  }
>();

// Prettier 3.9.5
foo<{
  // comment
  [key in keyof Foo]: number;
}>();

Less: Fix adjacent block comments being corrupted (#​19574 by @​kovsu)

// Input
/* a *//* b */
/* a */* {
  color: red;
}

// Prettier 3.9.4
/* a */
/* b */
/* a * {
  color: red;
}

// Prettier 3.9.5
/* a */ /* b */
/* a */
* {
  color: red;
}

JavaScript: Handle dangling comments in SwitchStatement (#​19581 by @​fisker)

// Input
switch (foo) {
 // comment
}

// Prettier 3.9.4
switch (
  foo
  // comment
) {
}

// Prettier 3.9.5
switch (foo) {
  // comment
}

TypeScript: Remove space in comment-only object type (#​19583 by @​fisker)

// Input
var foo = {
  /* comment */
};
type Foo = {
  /* comment */
};

// Prettier 3.9.4
var foo = {/* comment */};
type Foo = { /* comment */ };

// Prettier 3.9.5
var foo = {/* comment */};
type Foo = {/* comment */};

v3.9.4

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v3.9.3

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v3.9.2

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v3.9.1

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v3.9.0

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diff

🔗 Release Notes

v3.8.5

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v3.8.4

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diff

Markdown: Fix blank lines between list items and nested sub-lists being removed in Markdown/MDX (#​17746 by @​byplayer)

Prettier was removing blank lines between list items and their nested sub-lists, converting loose lists into tight lists and changing their semantic meaning.

<!-- Input -->
- a

  - b

- c

  - d

<!-- Prettier 3.8.3 -->
- a
  - b
- c
  - d

<!-- Prettier 3.8.4 -->
- a

  - b

- c

  - d

v3.8.3

Compare Source

diff

SCSS: Prevent trailing comma in if() function (#​18471 by @​kovsu)

// Input
$value: if(sass(false): 1; else: -1);

// Prettier 3.8.2
$value: if(
  sass(false): 1; else: -1,
);

// Prettier 3.8.3
$value: if(sass(false): 1; else: -1);

v3.8.2

Compare Source

diff

Angular: Support Angular v21.2 (#​18722, #​19034 by @​fisker)

Exhaustive typechecking with @default never;

<!-- Input -->
@&#8203;switch (foo) {
  @&#8203;case (1) {}
  @&#8203;default never;
}

<!-- Prettier 3.8.1 -->
SyntaxError: Incomplete block "default never". If you meant to write the @&#8203; character, you should use the "&#&#8203;64;" HTML entity instead. (3:3)

<!-- Prettier 3.8.2 -->
@&#8203;switch (foo) {
  @&#8203;case (1) {}
  @&#8203;default never;
}

arrow function and instanceof expressions.

<!-- Input -->
@&#8203;let fn = (a) =>        a?    1:2;

{{ fn ( a         instanceof b)}}

<!-- Prettier 3.8.1 -->
@&#8203;let fn = (a) =>        a?    1:2;

{{ fn ( a         instanceof b)}}

<!-- Prettier 3.8.2 -->
@&#8203;let fn = (a) => (a ? 1 : 2);

{{ fn(a instanceof b) }}

---

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