⬆️ Updates prettier to v2.8.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
prettier (source)	2.3.0 -> 2.8.8
@​types/prettier	2.2.3 -> 2.7.3

---

Release Notes

prettier/prettier (prettier)

v2.8.8

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This version is a republished version of v2.8.7.
A bad version was accidentally published and it can't be unpublished, apologies for the churn.

v2.8.7

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diff

Allow multiple decorators on same getter/setter (#​14584 by @​fisker)

// Input
class A {
  @​decorator()
  get foo () {}
  
  @​decorator()
  set foo (value) {}
}

// Prettier 2.8.6
SyntaxError: Decorators cannot be applied to multiple get/set accessors of the same name. (5:3)
  3 |   get foo () {}
  4 |   
> 5 |   @​decorator()
    |   ^^^^^^^^^^^^
  6 |   set foo (value) {}
  7 | }

// Prettier 2.8.7
class A {
  @​decorator()
  get foo() {}

  @​decorator()
  set foo(value) {}
}

v2.8.6

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diff

Allow decorators on private members and class expressions (#​14548 by @​fisker)

// Input
class A {
  @​decorator()
  #privateMethod () {}
}

// Prettier 2.8.5
SyntaxError: Decorators are not valid here. (2:3)
  1 | class A {
> 2 |   @​decorator()
    |   ^^^^^^^^^^^^
  3 |   #privateMethod () {}
  4 | }

// Prettier 2.8.6
class A {
  @​decorator()
  #privateMethod() {}
}

v2.8.5

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diff

Support TypeScript 5.0 (#​14391 by @​fisker, #​13819 by @​fisker, @​sosukesuzuki)

TypeScript 5.0 introduces two new syntactic features:

• const modifiers for type parameters
• export type * declarations

Add missing parentheses for decorator (#​14393 by @​fisker)

// Input
class Person {
  @​(myDecoratorArray[0])
  greet() {}
}

// Prettier 2.8.4
class Person {
  @​myDecoratorArray[0]
  greet() {}
}

// Prettier 2.8.5
class Person {
  @​(myDecoratorArray[0])
  greet() {}
}

Add parentheses for TypeofTypeAnnotation to improve readability (#​14458 by @​fisker)

// Input
type A = (typeof node.children)[];

// Prettier 2.8.4
type A = typeof node.children[];

// Prettier 2.8.5
type A = (typeof node.children)[];

Support max_line_length=off when parsing .editorconfig (#​14516 by @​josephfrazier)

If an .editorconfig file is in your project and it sets max_line_length=off for the file you're formatting,
it will be interpreted as a printWidth of Infinity rather than being ignored
(which previously resulted in the default printWidth of 80 being applied, if not overridden by Prettier-specific configuration).

<!-- Input -->
<div className='HelloWorld' title={`You are visitor number ${ num }`} onMouseOver={onMouseOver}/>

<!-- Prettier 2.8.4 -->
<div
  className="HelloWorld"
  title={`You are visitor number ${num}`}
  onMouseOver={onMouseOver}
/>;

<!-- Prettier 2.8.5 -->
<div className="HelloWorld" title={`You are visitor number ${num}`} onMouseOver={onMouseOver} />;

v2.8.4

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diff

Fix leading comments in mapped types with readonly (#​13427 by @​thorn0, @​sosukesuzuki)

// Input
type Type = {
  // comment
  readonly [key in Foo];
};

// Prettier 2.8.3
type Type = {
  readonly // comment
  [key in Foo];
};

// Prettier 2.8.4
type Type = {
  // comment
  readonly [key in Foo];
};

Group params in opening block statements (#​14067 by @​jamescdavis)

This is a follow-up to #​13930 to establish wrapping consistency between opening block statements and else blocks by
grouping params in opening blocks. This causes params to break to a new line together and not be split across lines
unless the length of params exceeds the print width. This also updates the else block wrapping to behave exactly the
same as opening blocks.

{{! Input }}
{{#block param param param param param param param param param param as |blockParam|}}
  Hello
{{else block param param param param param param param param param param as |blockParam|}}
  There
{{/block}}

{{! Prettier 2.8.3 }}
{{#block
  param
  param
  param
  param
  param
  param
  param
  param
  param
  param
  as |blockParam|
}}
  Hello
{{else block param
param
param
param
param
param
param
param
param
param}}
  There
{{/block}}

{{! Prettier 2.8.4 }}
{{#block
  param param param param param param param param param param
  as |blockParam|
}}
  Hello
{{else block
  param param param param param param param param param param
  as |blockParam|
}}
  There
{{/block}}

Ignore files in .sl/ (#​14206 by @​bolinfest)

In Sapling SCM, .sl/ is the folder where it stores its state, analogous to .git/ in Git. It should be ignored in Prettier like the other SCM folders.

Recognize @satisfies in Closure-style type casts (#​14262 by @​fisker)

// Input
const a = /** @&#8203;satisfies {Record<string, string>} */ ({hello: 1337});
const b = /** @&#8203;type {Record<string, string>} */ ({hello: 1337});

// Prettier 2.8.3
const a = /** @&#8203;satisfies {Record<string, string>} */ { hello: 1337 };
const b = /** @&#8203;type {Record<string, string>} */ ({ hello: 1337 });

// Prettier 2.8.4
const a = /** @&#8203;satisfies {Record<string, string>} */ ({hello: 1337});
const b = /** @&#8203;type {Record<string, string>} */ ({hello: 1337});

Fix parens in inferred function return types with extends (#​14279 by @​fisker)

// Input
type Foo<T> = T extends ((a) => a is infer R extends string) ? R : never;

// Prettier 2.8.3 (First format)
type Foo<T> = T extends (a) => a is infer R extends string ? R : never;

// Prettier 2.8.3 (Second format)
SyntaxError: '?' expected. 

// Prettier 2.8.4
type Foo<T> = T extends ((a) => a is infer R extends string) ? R : never;

v2.8.3

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diff

Allow self-closing tags on custom elements (#​14170 by @​fisker)

See Angular v15.1.0 release note for details.

// Input
<app-test/>

// Prettier 2.8.2
SyntaxError: Only void and foreign elements can be self closed "app-test" (1:1)
> 1 | <app-test/>
    | ^^^^^^^^^
  2 |

// Prettier 2.8.3
<app-test />

v2.8.2

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diff

Don't lowercase link references (#​13155 by @​DerekNonGeneric & @​fisker)

<!-- Input -->
We now don't strictly follow the release notes format suggested by [Keep a Changelog].

[Keep a Changelog]: https://example.com/

<!-- Prettier 2.8.1 -->
We now don't strictly follow the release notes format suggested by [Keep a Changelog].

[keep a changelog]: https://example.com/
<!--
^^^^^^^^^^^^^^^^^^ lowercased
-->

<!-- Prettier 2.8.2 -->
<Same as input>

Preserve self-closing tags (#​13691 by @​dcyriller)

{{! Input }}
<div />
<div></div>
<custom-component />
<custom-component></custom-component>
<i />
<i></i>
<Component />
<Component></Component>

{{! Prettier 2.8.1 }}
<div></div>
<div></div>
<custom-component></custom-component>
<custom-component></custom-component>
<i></i>
<i></i>
<Component />
<Component />

{{! Prettier 2.8.2 }}
<div />
<div></div>
<custom-component />
<custom-component></custom-component>
<i />
<i></i>
<Component />
<Component />

Allow custom "else if"-like blocks with block params (#​13930 by @​jamescdavis)

#​13507 added support for custom block keywords used with else, but failed to allow block params. This updates printer-glimmer to allow block params with custom "else if"-like blocks.

{{! Input }}
{{#when isAtWork as |work|}}
  Ship that
  {{work}}!
{{else when isReading as |book|}}
  You can finish
  {{book}}
  eventually...
{{else}}
  Go to bed!
{{/when}}

{{! Prettier 2.8.1 }}
{{#when isAtWork as |work|}}
  Ship that
  {{work}}!
{{else when isReading}}
  You can finish
  {{book}}
  eventually...
{{else}}
  Go to bed!
{{/when}}

{{! Prettier 2.8.2 }}
{{#when isAtWork as |work|}}
  Ship that
  {{work}}!
{{else when isReading as |book|}}
  You can finish
  {{book}}
  eventually...
{{else}}
  Go to bed!
{{/when}}

Preserve empty lines between nested SCSS maps (#​13931 by @​jneander)

/* Input */
$map: (
  'one': (
     'key': 'value',
  ),

  'two': (
     'key': 'value',
  ),
)

/* Prettier 2.8.1 */
$map: (
  'one': (
     'key': 'value',
  ),
  'two': (
     'key': 'value',
  ),
)

/* Prettier 2.8.2 */
$map: (
  'one': (
     'key': 'value',
  ),

  'two': (
     'key': 'value',
  ),
)

Fix missing parentheses when an expression statement starts with let[ (#​14000, #​14044 by @​fisker, @​thorn0)

// Input
(let[0] = 2);

// Prettier 2.8.1
let[0] = 2;

// Prettier 2.8.1 (second format)
SyntaxError: Unexpected token (1:5)
> 1 | let[0] = 2;
    |     ^
  2 |

// Prettier 2.8.2
(let)[0] = 2;

Fix semicolon duplicated at the end of LESS file (#​14007 by @​mvorisek)

// Input
@​variable: {
  field: something;
};

// Prettier 2.8.1
@​variable: {
  field: something;
}; ;

// Prettier 2.8.2
@​variable: {
  field: something;
};

Fix no space after unary minus when followed by opening parenthesis in LESS (#​14008 by @​mvorisek)

// Input
.unary_minus_single {
  margin: -(@​a);
}

.unary_minus_multi {
  margin: 0 -(@​a);
}

.binary_minus {
  margin: 0 - (@​a);
}

// Prettier 2.8.1
.unary_minus_single {
  margin: - (@​a);
}

.unary_minus_multi {
  margin: 0 - (@​a);
}

.binary_minus {
  margin: 0 - (@​a);
}

// Prettier 2.8.2
.unary_minus_single {
  margin: -(@​a);
}

.unary_minus_multi {
  margin: 0 -(@​a);
}

.binary_minus {
  margin: 0 - (@​a);
}

Do not change case of property name if inside a variable declaration in LESS (#​14034 by @​mvorisek)

// Input
@​var: {
  preserveCase: 0;
};

// Prettier 2.8.1
@​var: {
  preservecase: 0;
};

// Prettier 2.8.2
@​var: {
  preserveCase: 0;
};

Fix formatting for auto-accessors with comments (#​14038 by @​fisker)

// Input
class A {
  @​dec()
  // comment
  accessor b;
}

// Prettier 2.8.1
class A {
  @​dec()
  accessor // comment
  b;
}

// Prettier 2.8.1 (second format)
class A {
  @​dec()
  accessor; // comment
  b;
}

// Prettier 2.8.2
class A {
  @​dec()
  // comment
  accessor b;
}

Add parentheses for TSTypeQuery to improve readability (#​14042 by @​onishi-kohei)

// Input
a as (typeof node.children)[number]
a as (typeof node.children)[]
a as ((typeof node.children)[number])[]

// Prettier 2.8.1
a as typeof node.children[number];
a as typeof node.children[];
a as typeof node.children[number][];

// Prettier 2.8.2
a as (typeof node.children)[number];
a as (typeof node.children)[];
a as (typeof node.children)[number][];

Fix displacing of comments in default switch case (#​14047 by @​thorn0)

It was a regression in Prettier 2.6.0.

// Input
switch (state) {
  default:
    result = state; // no change
    break;
}

// Prettier 2.8.1
switch (state) {
  default: // no change
    result = state;
    break;
}

// Prettier 2.8.2
switch (state) {
  default:
    result = state; // no change
    break;
}

Support type annotations on auto accessors via babel-ts (#​14049 by @​sosukesuzuki)

The bug that @babel/parser cannot parse auto accessors with type annotations has been fixed. So we now support it via babel-ts parser.

class Foo {
  accessor prop: number;
}

Fix formatting of empty type parameters (#​14073 by @​fisker)

// Input
const foo: bar</* comment */> = () => baz;

// Prettier 2.8.1
Error: Comment "comment" was not printed. Please report this error!

// Prettier 2.8.2
const foo: bar</* comment */> = () => baz;

Add parentheses to head of ExpressionStatement instead of the whole statement (#​14077 by @​fisker)

// Input
({}).toString.call(foo) === "[object Array]"
  ? foo.forEach(iterateArray)
  : iterateObject(foo);

// Prettier 2.8.1
({}.toString.call(foo) === "[object Array]"
  ? foo.forEach(iterateArray)
  : iterateObject(foo));

// Prettier 2.8.2
({}).toString.call(foo.forEach) === "[object Array]"
  ? foo.forEach(iterateArray)
  : iterateObject(foo);

Fix comments after directive (#​14081 by @​fisker)

// Input
"use strict" /* comment */;

// Prettier 2.8.1 (with other js parsers except `babel`)
Error: Comment "comment" was not printed. Please report this error!

// Prettier 2.8.2
<Same as input>

Fix formatting for comments inside JSX attribute (#​14082 by @​fisker)

// Input
function MyFunctionComponent() {
  <button label=/*old*/"new">button</button>
}

// Prettier 2.8.1
Error: Comment "old" was not printed. Please report this error!

// Prettier 2.8.2
function MyFunctionComponent() {
  <button label=/*old*/ "new">button</button>;
}

Quote numeric keys for json-stringify parser (#​14083 by @​fisker)

// Input
{0: 'value'}

// Prettier 2.8.1
{
  0: "value"
}

// Prettier 2.8.2
{
  "0": "value"
}

Fix removing commas from function arguments in maps (#​14089 by @​sosukesuzuki)

/* Input */
$foo: map-fn(
  (
    "#{prop}": inner-fn($first, $second),
  )
);

/* Prettier 2.8.1 */
$foo: map-fn(("#{prop}": inner-fn($first $second)));

/* Prettier 2.8.2 */
$foo: map-fn(
  (
    "#{prop}": inner-fn($first, $second),
  )
);

Do not insert space in LESS property access (#​14103 by @​fisker)

// Input
a {
  color: @​colors[@​white];
}

// Prettier 2.8.1
a {
  color: @​colors[ @​white];
}

// Prettier 2.8.2
<Same as input>

v2.8.1

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diff

Fix SCSS map in arguments (#​9184 by @​agamkrbit)

// Input
$display-breakpoints: map-deep-merge(
  (
    "print-only": "only print",
    "screen-only": "only screen",
    "xs-only": "only screen and (max-width: #{map-get($grid-breakpoints, "sm")-1})",
  ),
  $display-breakpoints
);

// Prettier 2.8.0
$display-breakpoints: map-deep-merge(
  (
    "print-only": "only print",
    "screen-only": "only screen",
    "xs-only": "only screen and (max-width: #{map-get($grid-breakpoints, " sm
      ")-1})",
  ),
  $display-breakpoints
);

// Prettier 2.8.1
$display-breakpoints: map-deep-merge(
  (
    "print-only": "only print",
    "screen-only": "only screen",
    "xs-only": "only screen and (max-width: #{map-get($grid-breakpoints, "sm")-1})",
  ),
  $display-breakpoints
);

Support auto accessors syntax (#​13919 by @​sosukesuzuki)

Support for Auto Accessors Syntax landed in TypeScript 4.9.

(Doesn't work well with babel-ts parser)

class Foo {
  accessor foo: number = 3;
}

v2.8.0

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diff

🔗 Release Notes

v2.7.1

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diff

Keep useful empty lines in description (#​13013 by @​chimurai)

v2.7.0

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"""
First line
Second Line
"""
type Person {
name: String
}

v2.6.2

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diff

Fix LESS/SCSS format error (#​12536 by @​fisker)

// Input
.background-gradient(@​cut) {
    background: linear-gradient(
        to right,
        @​white 0%,
        @​white (@​cut - 0.01%),
        @​portal-background @​cut,
        @​portal-background 100%
    );
}

// Prettier 2.6.1
TypeError: Cannot read properties of undefined (reading 'endOffset')

// Prettier 2.6.2
.background-gradient(@​cut) {
  background: linear-gradient(
    to right,
    @​white 0%,
    @​white (@​cut - 0.01%),
    @​portal-background @​cut,
    @​portal-background 100%
  );
}

Update meriyah to fix several bugs (#​12567 by @​fisker, fixes in meriyah by @​3cp)

Fixes bugs when parsing following valid code:

foo(await bar());

const regex = /.*/ms;

const element = <p>{/w/.test(s)}</p>;

class A extends B {
  #privateMethod() {
    super.method();
  }
}

v2.6.1

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diff

Ignore loglevel when printing information (#​12477 by @​fisker)

v2.6.0

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prettier --loglevel silent --find-config-path index.js

v2.5.1

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diff

Improve formatting for empty tuple types (#​11884 by @​sosukesuzuki)

// Input
type Foo =
  Foooooooooooooooooooooooooooooooooooooooooooooooooooooooooo extends []
    ? Foo3
    : Foo4;

// Prettier 2.5.0
type Foo = Foooooooooooooooooooooooooooooooooooooooooooooooooooooooooo extends [

]
  ? Foo3
  : Foo4;

// Prettier 2.5.0 (tailingCommma = all)
// Invalid TypeScript code
type Foo = Foooooooooooooooooooooooooooooooooooooooooooooooooooooooooo extends [
  ,
]
  ? Foo3
  : Foo4;

// Prettier 2.5.1
type Foo =
  Foooooooooooooooooooooooooooooooooooooooooooooooooooooooooo extends []
    ? Foo3
    : Foo4;

Fix compatibility with Jest inline snapshot test (#​11892 by @​fisker)

A internal change in Prettier@v2.5.0 accidentally breaks the Jest inline snapshot test.

Support Glimmer's named blocks (#​11899 by @​duailibe)

Prettier already supported this feature, but it converted empty named blocks to self-closing, which is not supported by the Glimmer compiler.

See: Glimmer's named blocks.

// Input
<Component>
  <:named></:named>
</Component>

// Prettier 2.5.0
<Component>
  <:named />
</Component>

// Prettier 2.5.1
<Component>
  <:named></:named>
</Component>

v2.5.0

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diff

🔗 Release Notes

v2.4.1

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diff

Fix wildcard syntax in @forward (#​11482) (#​11487 by @​niksy)

// Input
@​forward "library" as btn-*;

// Prettier 2.4.0
@​forward "library" as btn- *;

// Prettier 2.4.1
@​forward "library" as btn-*;

Add new CLI option debug-print-ast (#​11514 by @​sosukesuzuki)

A new --debug-print-ast CLI flag for debugging.

v2.4.0

Compare Source

diff

🔗 Release Notes

v2.3.2

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diff

Fix failure on dir with trailing slash (#​11000 by @​fisker)

$ ls
1.js  1.unknown

v2.3.1

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$ prettier . -l
1.js
$ prettier ./ -l
[error] No supported files were found in the directory: "./".

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Packages	Version	New capabilities	Transitives	Size	Publisher
@types/prettier	2.2.3...2.7.3	None	+0/-0	49.8 kB	types
prettier	2.3.0...2.8.8	environment	+0/-0	11.2 MB	prettier-bot