⬆️ upgrade prettier to v3.9.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
prettier (source)	3.6.2 → 3.9.6

---

Release Notes

prettier/prettier (prettier)

v3.9.6

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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

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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

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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) }}

v3.8.1

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diff

Include available printers in plugin type declarations (#​18706 by @​porada)

// Input
import * as prettierPluginEstree from "prettier/plugins/estree";

// Prettier 3.8.0
// Property 'printers' does not exist on type 'typeof import("prettier/plugins/estree")'. ts(2339)
prettierPluginEstree.printers.estree; //=> any

// Prettier 3.8.1
prettierPluginEstree.printers.estree; //=> Printer
prettierPluginEstree.printers["estree-json"]; //=> Printer

v3.8.0

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diff

🔗 Release Notes

v3.7.4

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diff

LWC: Avoid quote around interpolations (#​18383 by @​kovsu)

<!-- Input -->
<div foo={bar}>   </div>

<!-- Prettier 3.7.3 (--embedded-language-formatting off) -->
<div foo="{bar}"></div>

<!-- Prettier 3.7.4 (--embedded-language-formatting off) -->
<div foo={bar}></div>

TypeScript: Fix comment inside union type gets duplicated (#​18393 by @​fisker)

// Input
type Foo = (/** comment */ a | b) | c;

// Prettier 3.7.3
type Foo = /** comment */ (/** comment */ a | b) | c;

// Prettier 3.7.4
type Foo = /** comment */ (a | b) | c;

TypeScript: Fix unstable comment print in union type comments (#​18395 by @​fisker)

// Input
type X = (A | B) & (
  // comment
  A | B
);

// Prettier 3.7.3 (first format)
type X = (A | B) &
  (// comment
  A | B);

// Prettier 3.7.3 (second format)
type X = (
  | A
  | B // comment
) &
  (A | B);

// Prettier 3.7.4
type X = (A | B) &
  // comment
  (A | B);

v3.7.3

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diff

API: Fix prettier.getFileInfo() change that breaks VSCode extension (#​18375 by @​fisker)

An internal refactor accidentally broke the VSCode extension plugin loading.

v3.7.2

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diff

JavaScript: Fix string print when switching quotes (#​18351 by @​fisker)

// Input
console.log("A descriptor\\'s .kind must be \"method\" or \"field\".")

// Prettier 3.7.1
console.log('A descriptor\\'s .kind must be "method" or "field".');

// Prettier 3.7.2
console.log('A descriptor\\\'s .kind must be "method" or "field".');

JavaScript: Preserve quote for embedded HTML attribute values (#​18352 by @​kovsu)

// Input
const html = /* HTML */ ` <div class="${styles.banner}"></div> `;

// Prettier 3.7.1
const html = /* HTML */ ` <div class=${styles.banner}></div> `;

// Prettier 3.7.2
const html = /* HTML */ ` <div class="${styles.banner}"></div> `;

TypeScript: Fix comment in empty type literal (#​18364 by @​fisker)

// Input
export type XXX = {
  // tbd
};

// Prettier 3.7.1
export type XXX = { // tbd };

// Prettier 3.7.2
export type XXX = {
  // tbd
};

v3.7.1

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diff

API: Fix performance regression in doc printer (#​18342 by @​fisker)

Prettier 3.7.0 can be very slow when formatting big files, the regression has been fixed.

v3.7.0

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diff

🔗 Release Notes

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