prettier/prettier (prettier)
### [`v2.8.8`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#288)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.8.7...2.8.8)
This version is a republished version of v2.8.7.
A bad version was accidentally published and [it can't be unpublished](https://togithub.com/npm/cli/issues/1686), apologies for the churn.
### [`v2.8.7`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#287)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.8.6...2.8.7)
[diff](https://togithub.com/prettier/prettier/compare/2.8.6...2.8.7)
##### Allow multiple decorators on same getter/setter ([#14584](https://togithub.com/prettier/prettier/pull/14584) by [@fisker](https://togithub.com/fisker))
```ts
// 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`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#286)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.8.5...2.8.6)
[diff](https://togithub.com/prettier/prettier/compare/2.8.5...2.8.6)
##### Allow decorators on private members and class expressions ([#14548](https://togithub.com/prettier/prettier/pull/14548) by [@fisker](https://togithub.com/fisker))
```ts
// 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`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#285)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.8.4...2.8.5)
[diff](https://togithub.com/prettier/prettier/compare/2.8.4...2.8.5)
##### Support TypeScript 5.0 ([#14391](https://togithub.com/prettier/prettier/pull/14391) by [@fisker](https://togithub.com/fisker), [#13819](https://togithub.com/prettier/prettier/pull/13819) by [@fisker](https://togithub.com/fisker), [@sosukesuzuki](https://togithub.com/sosukesuzuki))
TypeScript 5.0 introduces two new syntactic features:
- `const` modifiers for type parameters
- `export type *` declarations
##### Add missing parentheses for decorator ([#14393](https://togithub.com/prettier/prettier/pull/14393) by [@fisker](https://togithub.com/fisker))
```jsx
// 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](https://togithub.com/prettier/prettier/pull/14458) by [@fisker](https://togithub.com/fisker))
```tsx
// 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](https://togithub.com/prettier/prettier/pull/14516) by [@josephfrazier](https://togithub.com/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).
```html
;
;
```
### [`v2.8.4`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#284)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.8.3...2.8.4)
[diff](https://togithub.com/prettier/prettier/compare/2.8.3...2.8.4)
##### Fix leading comments in mapped types with `readonly` ([#13427](https://togithub.com/prettier/prettier/pull/13427) by [@thorn0](https://togithub.com/thorn0), [@sosukesuzuki](https://togithub.com/sosukesuzuki))
```tsx
// 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](https://togithub.com/prettier/prettier/pull/14067) by [@jamescdavis](https://togithub.com/jamescdavis))
This is a follow-up to [#13930](https://togithub.com/prettier/prettier/issues/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.
```hbs
{{! 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](https://togithub.com/prettier/prettier/pull/14206) by [@bolinfest](https://togithub.com/bolinfest))
In [Sapling SCM](https://sapling-scm.com/), `.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](https://togithub.com/prettier/prettier/pull/14262) by [@fisker](https://togithub.com/fisker))
```jsx
// Input
const a = /** @satisfies {Record} */ ({hello: 1337});
const b = /** @type {Record} */ ({hello: 1337});
// Prettier 2.8.3
const a = /** @satisfies {Record} */ { hello: 1337 };
const b = /** @type {Record} */ ({ hello: 1337 });
// Prettier 2.8.4
const a = /** @satisfies {Record} */ ({hello: 1337});
const b = /** @type {Record} */ ({hello: 1337});
```
##### Fix parens in inferred function return types with `extends` ([#14279](https://togithub.com/prettier/prettier/pull/14279) by [@fisker](https://togithub.com/fisker))
```ts
// Input
type Foo = T extends ((a) => a is infer R extends string) ? R : never;
// Prettier 2.8.3 (First format)
type Foo = 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 extends ((a) => a is infer R extends string) ? R : never;
```
### [`v2.8.3`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#283)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.8.2...2.8.3)
[diff](https://togithub.com/prettier/prettier/compare/2.8.2...2.8.3)
##### Allow self-closing tags on custom elements ([#14170](https://togithub.com/prettier/prettier/pull/14170) by [@fisker](https://togithub.com/fisker))
See [Angular v15.1.0 release note](https://togithub.com/angular/angular/releases/tag/15.1.0) for details.
```html
// Input
// Prettier 2.8.2
SyntaxError: Only void and foreign elements can be self closed "app-test" (1:1)
> 1 |
| ^^^^^^^^^
2 |
// Prettier 2.8.3
```
### [`v2.8.2`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#282)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.8.1...2.8.2)
[diff](https://togithub.com/prettier/prettier/compare/2.8.1...2.8.2)
##### Don't lowercase link references ([#13155](https://togithub.com/prettier/prettier/pull/13155) by [@DerekNonGeneric](https://togithub.com/DerekNonGeneric) & [@fisker](https://togithub.com/fisker))
```markdown
We now don't strictly follow the release notes format suggested by [Keep a Changelog].
[Keep a Changelog]: https://example.com/
We now don't strictly follow the release notes format suggested by [Keep a Changelog].
[keep a changelog]: https://example.com/
```
##### Preserve self-closing tags ([#13691](https://togithub.com/prettier/prettier/pull/13691) by [@dcyriller](https://togithub.com/dcyriller))
```hbs
{{! Input }}
{{! Prettier 2.8.1 }}
{{! Prettier 2.8.2 }}
```
##### Allow custom "else if"-like blocks with block params ([#13930](https://togithub.com/prettier/prettier/pull/13930) by [@jamescdavis](https://togithub.com/jamescdavis))
[#13507](https://togithub.com/prettier/prettier/issues/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.
```hbs
{{! 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](https://togithub.com/prettier/prettier/pull/13931) by [@jneander](https://togithub.com/jneander))
```scss
/* 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](https://togithub.com/prettier/prettier/pull/14000), [#14044](https://togithub.com/prettier/prettier/pull/14044) by [@fisker](https://togithub.com/fisker), [@thorn0](https://togithub.com/thorn0))
```jsx
// 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](https://togithub.com/prettier/prettier/pull/14007) by [@mvorisek](https://togithub.com/mvorisek))
```less
// 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](https://togithub.com/prettier/prettier/pull/14008) by [@mvorisek](https://togithub.com/mvorisek))
```less
// 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](https://togithub.com/prettier/prettier/pull/14034) by [@mvorisek](https://togithub.com/mvorisek))
```less
// 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](https://togithub.com/prettier/prettier/pull/14038) by [@fisker](https://togithub.com/fisker))
```jsx
// 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](https://togithub.com/prettier/prettier/pull/14042) by [@onishi-kohei](https://togithub.com/onishi-kohei))
```tsx
// 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](https://togithub.com/prettier/prettier/pull/14047) by [@thorn0](https://togithub.com/thorn0))
It was a regression in Prettier 2.6.0.
```jsx
// 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](https://togithub.com/prettier/prettier/pull/14049) by [@sosukesuzuki](https://togithub.com/sosukesuzuki))
[The bug that `@babel/parser` cannot parse auto accessors with type annotations](https://togithub.com/babel/babel/issues/15205) has been fixed. So we now support it via `babel-ts` parser.
```tsx
class Foo {
accessor prop: number;
}
```
##### Fix formatting of empty type parameters ([#14073](https://togithub.com/prettier/prettier/pull/14073) by [@fisker](https://togithub.com/fisker))
```jsx
// Input
const foo: bar = () => baz;
// Prettier 2.8.1
Error: Comment "comment" was not printed. Please report this error!
// Prettier 2.8.2
const foo: bar = () => baz;
```
##### Add parentheses to head of `ExpressionStatement` instead of the whole statement ([#14077](https://togithub.com/prettier/prettier/pull/14077) by [@fisker](https://togithub.com/fisker))
```jsx
// 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](https://togithub.com/prettier/prettier/pull/14081) by [@fisker](https://togithub.com/fisker))
```jsx
// 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
```
##### Fix formatting for comments inside JSX attribute ([#14082](https://togithub.com/prettier/prettier/pull/14082) by [@fisker](https://togithub.com/fisker))
```jsx
// Input
function MyFunctionComponent() {
}
// Prettier 2.8.1
Error: Comment "old" was not printed. Please report this error!
// Prettier 2.8.2
function MyFunctionComponent() {
;
}
```
##### Quote numeric keys for json-stringify parser ([#14083](https://togithub.com/prettier/prettier/pull/14083) by [@fisker](https://togithub.com/fisker))
```jsx
// Input
{0: 'value'}
// Prettier 2.8.1
{
0: "value"
}
// Prettier 2.8.2
{
"0": "value"
}
```
##### Fix removing commas from function arguments in maps ([#14089](https://togithub.com/prettier/prettier/pull/14089) by [@sosukesuzuki](https://togithub.com/sosukesuzuki))
```scss
/* 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](https://togithub.com/prettier/prettier/pull/14103) by [@fisker](https://togithub.com/fisker))
```less
// Input
a {
color: @colors[@white];
}
// Prettier 2.8.1
a {
color: @colors[ @white];
}
// Prettier 2.8.2
```
### [`v2.8.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#281)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.8.0...2.8.1)
[diff](https://togithub.com/prettier/prettier/compare/2.8.0...2.8.1)
##### Fix SCSS map in arguments ([#9184](https://togithub.com/prettier/prettier/pull/9184) by [@agamkrbit](https://togithub.com/agamkrbit))
```scss
// 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](https://togithub.com/prettier/prettier/pull/13919) by [@sosukesuzuki](https://togithub.com/sosukesuzuki))
Support for [Auto Accessors Syntax](https://devblogs.microsoft.com/typescript/announcing-typescript-4-9/#auto-accessors-in-classes) landed in TypeScript 4.9.
(Doesn't work well with `babel-ts` parser)
```tsx
class Foo {
accessor foo: number = 3;
}
```
### [`v2.8.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#280)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.7.1...2.8.0)
[diff](https://togithub.com/prettier/prettier/compare/2.7.1...2.8.0)
🔗 [Release Notes](https://prettier.io/blog/2022/11/23/2.8.0.html)
### [`v2.7.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#271)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.7.0...2.7.1)
[diff](https://togithub.com/prettier/prettier/compare/2.7.0...2.7.1)
##### Keep useful empty lines in description ([#13013](https://togithub.com/prettier/prettier/pull/13013) by [@chimurai](https://togithub.com/chimurai))
```graphql
```
### [`v2.7.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#Prettier-270)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.6.2...2.7.0)
"""
First line
Second Line
"""
type Person {
name: String
}
### [`v2.6.2`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#262)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.6.1...2.6.2)
[diff](https://togithub.com/prettier/prettier/compare/2.6.1...2.6.2)
##### Fix LESS/SCSS format error ([#12536](https://togithub.com/prettier/prettier/pull/12536) by [@fisker](https://togithub.com/fisker))
```less
// 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](https://togithub.com/prettier/prettier/pull/12567) by [@fisker](https://togithub.com/fisker), fixes in [`meriyah`](https://togithub.com/meriyah/meriyah/) by [@3cp](https://togithub.com/3cp))
Fixes bugs when parsing following valid code:
```js
foo(await bar());
```
```js
const regex = /.*/ms;
```
```js
const element =
{/w/.test(s)}
;
```
```js
class A extends B {
#privateMethod() {
super.method();
}
}
```
### [`v2.6.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#261)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.6.0...2.6.1)
[diff](https://togithub.com/prettier/prettier/compare/2.6.0...2.6.1)
##### Ignore `loglevel` when printing information ([#12477](https://togithub.com/prettier/prettier/pull/12477) by [@fisker](https://togithub.com/fisker))
```bash
```
### [`v2.6.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#Prettier-260)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.5.1...2.6.0)
prettier --loglevel silent --find-config-path index.js
### [`v2.5.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#251)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.5.0...2.5.1)
[diff](https://togithub.com/prettier/prettier/compare/2.5.0...2.5.1)
##### Improve formatting for empty tuple types ([#11884](https://togithub.com/prettier/prettier/pull/11884) by [@sosukesuzuki](https://togithub.com/sosukesuzuki))
```tsx
// 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](https://togithub.com/prettier/prettier/pull/11892) by [@fisker](https://togithub.com/fisker))
A internal change in Prettier@v2.5.0 accidentally breaks the Jest inline snapshot test.
##### Support Glimmer's named blocks ([#11899](https://togithub.com/prettier/prettier/pull/11899) by [@duailibe](https://togithub.com/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](https://emberjs.github.io/rfcs/0460-yieldable-named-blocks.html).
```hbs
// Input
<:named>
// Prettier 2.5.0
<:named />
// Prettier 2.5.1
<:named>
```
### [`v2.5.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#250)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.4.1...2.5.0)
[diff](https://togithub.com/prettier/prettier/compare/2.4.1...2.5.0)
🔗 [Release Notes](https://prettier.io/blog/2021/11/25/2.5.0.html)
### [`v2.4.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#241)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.4.0...2.4.1)
[diff](https://togithub.com/prettier/prettier/compare/2.4.0...2.4.1)
##### Fix wildcard syntax in `@forward` ([#11482](https://togithub.com/prettier/prettier/pull/11482)) ([#11487](https://togithub.com/prettier/prettier/pull/11487) by [@niksy](https://togithub.com/niksy))
```scss
// 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](https://togithub.com/prettier/prettier/pull/11514) by [@sosukesuzuki](https://togithub.com/sosukesuzuki))
A new `--debug-print-ast` CLI flag for debugging.
### [`v2.4.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#240)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.3.2...2.4.0)
[diff](https://togithub.com/prettier/prettier/compare/2.3.2...2.4.0)
🔗 [Release Notes](https://prettier.io/blog/2021/09/09/2.4.0.html)
### [`v2.3.2`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#232)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.3.1...2.3.2)
[diff](https://togithub.com/prettier/prettier/compare/2.3.1...2.3.2)
##### Fix failure on dir with trailing slash ([#11000](https://togithub.com/prettier/prettier/pull/11000) by [@fisker](https://togithub.com/fisker))
```console
$ ls
1.js 1.unknown
```
### [`v2.3.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#Prettier-231)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.3.0...2.3.1)
$ prettier . -l
1.js
$ prettier ./ -l
\[error] No supported files were found in the directory: "./".
### [`v2.3.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#230)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.2.1...2.3.0)
[diff](https://togithub.com/prettier/prettier/compare/2.2.1...2.3.0)
🔗 [Release Notes](https://prettier.io/blog/2021/05/09/2.3.0.html)
### [`v2.2.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#221)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.2.0...2.2.1)
[diff](https://togithub.com/prettier/prettier/compare/2.2.0...2.2.1)
##### Fix formatting for AssignmentExpression with ClassExpression ([#9741](https://togithub.com/prettier/prettier/pull/9741) by [@sosukesuzuki](https://togithub.com/sosukesuzuki))
```js
// Input
module.exports = class A extends B {
method() {
console.log("foo");
}
};
// Prettier 2.2.0
module.exports = class A extends (
B
) {
method() {
console.log("foo");
}
};
// Prettier 2.2.1
module.exports = class A extends B {
method() {
console.log("foo");
}
};
```
### [`v2.2.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#220)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.1.2...2.2.0)
[diff](https://togithub.com/prettier/prettier/compare/2.1.2...2.2.0)
🔗 [Release Notes](https://prettier.io/blog/2020/11/20/2.2.0.html)
### [`v2.1.2`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#212)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.1.1...2.1.2)
[diff](https://togithub.com/prettier/prettier/compare/2.1.1...2.1.2)
##### Fix formatting for directives in fields ([#9116](https://togithub.com/prettier/prettier/pull/9116) by [@sosukesuzuki](https://togithub.com/sosukesuzuki))
```graphql
```
### [`v2.1.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#211)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.1.0...2.1.1)
[diff](https://togithub.com/prettier/prettier/compare/2.1.0...2.1.1)
##### Fix format on html with frontMatter ([#9043](https://togithub.com/prettier/prettier/pull/9043) by [@fisker](https://togithub.com/fisker))
```html
---
layout: foo
---
Test abc.
TypeError: Cannot read property 'end' of undefined
...
---
layout: foo
---
Test abc.
```
##### Fix broken format for `...infer T` ([#9044](https://togithub.com/prettier/prettier/pull/9044) by [@fisker](https://togithub.com/fisker))
```typescript
// Input
type Tail = T extends [infer U, ...infer R] ? R : never;
// Prettier stable
type Tail = T extends [infer U, ...(infer R)] ? R : never;
// Prettier master
type Tail = T extends [infer U, ...infer R] ? R : never;
```
##### Fix format on `style[lang="sass"]` ([#9051](https://togithub.com/prettier/prettier/pull/9051) by [@fisker](https://togithub.com/fisker))
```jsx
```
##### Fix self-closing blocks and blocks with `src` attribute format ([#9052](https://togithub.com/prettier/prettier/pull/9052), [#9055](https://togithub.com/prettier/prettier/pull/9055) by [@fisker](https://togithub.com/fisker))
```vue
```
### [`v2.1.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#210)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.0.5...2.1.0)
[diff](https://togithub.com/prettier/prettier/compare/2.0.5...2.1.0)
🔗 [Release Notes](https://prettier.io/blog/2020/08/24/2.1.0.html)
### [`v2.0.5`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#205)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.0.4...2.0.5)
[diff](https://togithub.com/prettier/prettier/compare/2.0.4...2.0.5)
##### Less: Fix formatting of `:extend` ([#7984](https://togithub.com/prettier/prettier/pull/7984) by [@fisker](https://togithub.com/fisker))
```less
// Input
.class {
&:extend(.some-class .some-other-class .some-very-loooooooooooooong-class all);
}
// Prettier 2.0.4
.class {
&:extend(
.some-class .some-other-class .some-very-loooooooooooooong-class all
);
}
// Prettier 2.0.4 (Second format)
.class {
&: extend(
.some-class .some-other-class .some-very-loooooooooooooong-class all
);
}
// Prettier 2.0.5
.class {
&:extend(
.some-class .some-other-class .some-very-loooooooooooooong-class all
);
}
```
##### Editor integration: Use [`resolve`](https://www.npmjs.com/package/resolve) if builtin `require.resolve` is overridden ([#8072](https://togithub.com/prettier/prettier/pull/8072) by [@fisker](https://togithub.com/fisker))
This fixes issues that the users of Atom and WebStorm faced with 2.0.4.
Prettier now switches to using the `resolve` module for resolving configuration files and plugins if it detects that `require.resolve` isn't Node's builtin function (doesn't support the second argument), which happens in environments like editor extensions. To force the fallback, set the `PRETTIER_FALLBACK_RESOLVE` environment variable to `true`.
### [`v2.0.4`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#204)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.0.3...2.0.4)
[diff](https://togithub.com/prettier/prettier/compare/2.0.3...2.0.4)
##### Revert [#7869](https://togithub.com/prettier/prettier/pull/7869), "\[TypeScript] format TSAsExpression with same logic as BinaryExpression" ([#7958](https://togithub.com/prettier/prettier/pull/7958))
### [`v2.0.3`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#203)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.0.2...2.0.3)
[diff](https://togithub.com/prettier/prettier/compare/2.0.2...2.0.3)
##### JavaScript
##### Fix `prettier-ignore` inside JSX ([#7877](https://togithub.com/prettier/prettier/pull/7877) by [@fisker](https://togithub.com/fisker))
```jsx
// Input
{
/* prettier-ignore */
x ? :
}
;
// Prettier 2.0.2 (first output)
{/* prettier-ignore */
x ? : }
;
// Prettier 2.0.2 (second output)
{/* prettier-ignore */ x ? : }
;
// Prettier 2.0.3
{
/* prettier-ignore */
x ? :
}
;
```
##### Fix regressions in styled-components template literals ([#7883](https://togithub.com/prettier/prettier/pull/7883) by [@thorn0](https://togithub.com/thorn0))
```js
// Input
const Icon = styled.div`
background: var(--${background});
${Link}:not(:first-child) {
fill: rebeccapurple;
}
`;
// Prettier 2.0.2
const Icon = styled.div`
background: var(-- ${background});
${Link}:not (:first-child) {
fill: rebeccapurple;
}
`;
// Prettier 2.0.3
const Icon = styled.div`
background: var(--${background});
${Link}:not(:first-child) {
fill: rebeccapurple;
}
`;
```
##### Fix: line endings were not always converted properly in multiline strings and comments ([#7891](https://togithub.com/prettier/prettier/pull/7891) by [@sidharthv96](https://togithub.com/sidharthv96))
// Input
export const IAmIncredibleLongFunctionName = IAmAnotherFunctionName(
(_0: IAmIncredibleLongParameterType) => {
setTimeout(() => {
/*
Multiline comment
Multiline comment
Multiline comment
*/
console.log(
"Multiline string\
Multiline string\
Multiline string"
);
});
}
);
// Prettier 2.0.2
export const IAmIncredibleLongFunctionName = IAmAnotherFunctionName(
(_0: IAmIncredibleLongParameterType) => {
setTimeout(() => {
/*
Multiline comment
Multiline comment
Multiline comment
*/
console.log(
"Multiline string\
Multiline string\
Multiline string"
);
});
}
);
// Prettier 2.0.3: same as input
##### Fix bug with holes in array literals ([#7911](https://togithub.com/prettier/prettier/pull/7911) by [@bakkot](https://togithub.com/bakkot))
```jsx
// Input
new Test()
.test()
.test([, 0])
.test();
// Prettier 2.0.2
[error] in.js: TypeError: Cannot read property 'type' of null
// Prettier 2.0.3
new Test().test().test([, 0]).test();
```
##### TypeScript
##### Wrap TSAsExpression ([#7869](https://togithub.com/prettier/prettier/pull/7869) by [@sosukesuzuki](https://togithub.com/sosukesuzuki))
```ts
// Input
const value = thisIsAnIdentifier as ThisIsAReallyReallyReallyReallyReallyReallyReallyReallyReallyReallyReallyLongInterface;
// Prettier 2.0.2
const value = thisIsAnIdentifier as ThisIsAReallyReallyReallyReallyReallyReallyReallyReallyReallyReallyReallyLongInterface;
// Prettier 2.0.3
const value =
thisIsAnIdentifier as
ThisIsAReallyReallyReallyReallyReallyReallyReallyReallyReallyReallyReallyLongInterface;
```
##### Flow
##### Print dangling comments for inexact object type ([#7892](https://togithub.com/prettier/prettier/pull/7892) by [@sosukesuzuki](https://togithub.com/sosukesuzuki))
```js
// Input
type Foo = {
// comment
...,
};
// Prettier 2.0.2
Error: Comment "comment" was not printed. Please report this error!
// Prettier 2.0.3
type Foo = {
// comment
...,
};
```
##### Do not add comma for explicit inexact object with indexer property or no properties ([#7923](https://togithub.com/prettier/prettier/pull/7923) by [@DmitryGonchar](https://togithub.com/DmitryGonchar))
```jsx
// Input
type T = {
[string]: number,
...,
}
type T = {
// comment
...,
}
// Prettier 2.0.2
type T = {
[string]: number,
...,
}
type T = {
// comment
...,
}
// Prettier 2.0.3
type T = {
[string]: number,
...
}
type T = {
// comment
...
}
```
##### HTML
##### Fix printing of ignored empty inline elements ([#7867](https://togithub.com/prettier/prettier/pull/7867) by [@fisker](https://togithub.com/fisker))
```html
____
```
##### Format `script` and `style` inside tags with a colon in the name ([#7916](https://togithub.com/prettier/prettier/pull/7916) by [@fisker](https://togithub.com/fisker))
```html
```
##### Other changes
- Workaround for `require.resolve` in prettier-vscode ([#7951](https://togithub.com/prettier/prettier/pull/7951) by [@thorn0](https://togithub.com/thorn0))
- Fix unstable Angular expression binding ([#7924](https://togithub.com/prettier/prettier/pull/7924) by [@fisker](https://togithub.com/fisker))
- Update `isSCSS` regex ([#7922](https://togithub.com/prettier/prettier/pull/7922) by [@fisker](https://togithub.com/fisker))
- Fix formatting of empty files ([#7921](https://togithub.com/prettier/prettier/pull/7921) by [@fisker](https://togithub.com/fisker))
### [`v2.0.2`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#202)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.0.1...2.0.2)
[diff](https://togithub.com/prettier/prettier/compare/2.0.1...2.0.2)
##### 2.0 regressions
##### JavaScript: Fix formatting of pseudo-elements and pseudo-classes in styled-components template literals ([#7842](https://togithub.com/prettier/prettier/pull/7842) by [@thorn0](https://togithub.com/thorn0))
```jsx
// Input
const Foo = styled.div`
${media.smallDown}::before {}
`;
// Prettier 2.0.0
const Foo = styled.div`
${media.smallDown}: : before{
}
`;
// Prettier 2.0.2
const Foo = styled.div`
${media.smallDown}::before {
}
`;
```
##### TypeScript: Avoid trailing commas on index signatures with only one parameter ([#7836](https://togithub.com/prettier/prettier/pull/7836) by [@bakkot](https://togithub.com/bakkot))
TypeScript index signatures technically allow multiple parameters and trailing commas, but it's an error to have multiple parameters there, and Babel's TypeScript parser does not accept them. So Prettier now avoids putting a trailing comma there when you have only one parameter.
```ts
// Input
export type A = {
a?: {
[
x: string
]: typeof SomeLongLongLongTypeName[keyof typeof SomeLongLongLongTypeName];
} | null;
};
// Prettier 2.0.0
export type A = {
a?: {
[
x: string,
]: typeof SomeLongLongLongTypeName[keyof typeof SomeLongLongLongTypeName];
} | null;
};
// Prettier 2.0.2
export type A = {
a?: {
[
x: string
]: typeof SomeLongLongLongTypeName[keyof typeof SomeLongLongLongTypeName];
} | null;
};
```
##### Revert "markdown: fix redundant leading spaces in markdown list" ([#7847](https://togithub.com/prettier/prettier/pull/7847))
See [#7846](https://togithub.com/prettier/prettier/issues/7846)
##### Other changes
##### TypeScript: Fix `prettier-ignore` in union types ([#7798](https://togithub.com/prettier/prettier/pull/7798) by [@thorn0](https://togithub.com/thorn0))
```ts
// Input
export type a =
// foo
| foo1&foo2
// prettier-ignore
| bar1&bar2
// baz
| baz1&baz2;
// Prettier 2.0.0
export type a =
// foo
| foo1&foo2
// prettier-ignore
// prettier-ignore
| (bar1 & bar2)
// baz
| (baz1 & baz2);
// Prettier 2.0.2
export type a =
// foo
| (foo1 & foo2)
// prettier-ignore
| bar1&bar2
// baz
| (baz1 & baz2);
```
### [`v2.0.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#201)
[Compare Source](https://togithub.com/prettier/prettier/compare/2.0.0...2.0.1)
[diff](https://togithub.com/prettier/prettier/compare/2.0.0...2.0.1)
##### API: Fix build script to not corrupt `import-fresh` module ([#7820](https://togithub.com/prettier/prettier/pull/7820) by [@thorn0](https://togithub.com/thorn0))
### [`v2.0.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#200)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.19.1...2.0.0)
[diff](https://togithub.com/prettier/prettier/compare/1.19.1...2.0.0)
🔗 [Release Notes](https://prettier.io/blog/2020/03/21/2.0.0.html)
### [`v1.19.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1191)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.19.0...1.19.1)
[diff](https://togithub.com/prettier/prettier/compare/1.19.0...1.19.1)
##### CLI
##### Fix `--stdin` regression in 1.19.0 ([#6894](https://togithub.com/prettier/prettier/pull/6894) by [@lydell](https://togithub.com/lydell))
// Prettier stable
$ echo "test" | prettier --stdin --parser babel
[error] regeneratorRuntime is not defined
// Prettier master
$ echo "test" | prettier --stdin --parser babel
test;
##### TypeScript
##### Fix formatting of union type as arrow function return type ([#6896](https://togithub.com/prettier/prettier/pull/6896) by [@thorn0](https://togithub.com/thorn0))
```jsx
// Input
export const getVehicleDescriptor = async (
vehicleId: string,
): Promise => {}
// Prettier stable
export const getVehicleDescriptor = async (
vehicleId: string
): Promise<| Collections.Parts.PrintedCircuitBoardAssembly["attributes"]
| undefined> => {};
// Prettier master
export const getVehicleDescriptor = async (
vehicleId: string
): Promise<
Collections.Parts.PrintedCircuitBoardAssembly["attributes"] | undefined
> => {};
```
### [`v1.19.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1190)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.18.2...1.19.0)
[diff](https://togithub.com/prettier/prettier/compare/1.18.2...1.19.0)
🔗 [Release Notes](https://prettier.io/blog/2019/11/09/1.19.0.html)
### [`v1.18.2`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1182)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.18.1...1.18.2)
[diff](https://togithub.com/prettier/prettier/compare/1.18.1...1.18.2)
- TypeScript: only add trailing commas in tuples for `--trailing-comma=all` ([#6199] by [@duailibe])
In Prettier 1.18 we added trailing commas in tuples when `--trailing-comma=all`, but it was also adding for `--trailing-comma=es5`.
[#6199]: https://togithub.com/prettier/prettier/pull/6199
[@duailibe]: https://togithub.com/duailibe
### [`v1.18.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1181)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.18.0...1.18.1)
[diff](https://togithub.com/prettier/prettier/compare/1.18.0...1.18.1)
- TypeScript: Add trailing comma in tsx, only for arrow function ([#6190] by [@sosukesuzuki])
Prettier inserts a trailing comma to single type parameter for arrow functions in tsx, since v 1.18. But, this feature inserts a trailing comma to type parameter for besides arrow functions too (e.g, function , interface). This change fix it.
```tsx
// Input
interface Interface1 {
one: "one";
}
function function1() {
return "one";
}
// Output (Prettier 1.18.0)
interface Interface1 {
one: "one";
}
function function1() {
return "one";
}
// Output (Prettier 1.18.1)
interface Interface1 {
one: "one";
}
function function1() {
return "one";
}
```
- Config: Match dotfiles in config overrides ([#6194] by [@duailibe])
When using [`overrides`](https://prettier.io/docs/en/configuration.html#configuration-overrides) in the config file, Prettier was not matching dotfiles (files that start with `.`). This was fixed in 1.18.1
[#6190]: https://togithub.com/prettier/prettier/pull/6190
[#6194]: https://togithub.com/prettier/prettier/pull/6194
[@duailibe]: https://togithub.com/duailibe
[@sosukesuzuki]: https://togithub.com/sosukesuzuki
### [`v1.18.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1180)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.17.1...1.18.0)
[diff](https://togithub.com/prettier/prettier/compare/1.17.1...1.18.0)
🔗 [Release Notes](https://prettier.io/blog/2019/06/06/1.18.0.html)
### [`v1.17.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1171)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.17.0...1.17.1)
[diff](https://togithub.com/prettier/prettier/compare/1.17.0...1.17.1)
- Range: Fix ranged formatting not using the correct line width ([#6050] by [@mathieulj])
```js
// Input
function f() {
if (true) {
call("this line is 79 chars", "long", "it should", "stay as single line");
}
}
// Output (Prettier 1.17.0 run with --range-start 30 --range-end 110)
function f() {
if (true) {
call(
"this line is 79 chars",
"long",
"it should",
"stay as single line"
);
}
}
// Output (Prettier 1.17.0 run without range)
function f() {
if (true) {
call("this line is 79 chars", "long", "it should", "stay as single line");
}
}
// Output (Prettier 1.17.1 with and without range)
function f() {
if (true) {
call("this line is 79 chars", "long", "it should", "stay as single line");
}
}
```
- JavaScript: Fix closure compiler typecasts (\[[#5947](https://togithub.com/prettier/prettier/issues/5947)] by [@jridgewell])
If a closing parenthesis follows after a typecast in an inner expression, the typecast would wrap everything to the that following parenthesis.
```js
// Input
test(/** @type {!Array} */(arrOrString).length);
test(/** @type {!Array} */((arrOrString)).length + 1);
// Output (Prettier 1.17.0)
test(/** @type {!Array} */ (arrOrString.length));
test(/** @type {!Array} */ (arrOrString.length + 1));
// Output (Prettier 1.17.1)
test(/** @type {!Array} */ (arrOrString).length);
test(/** @type {!Array} */ (arrOrString).length + 1);
```
- JavaScript: respect parenthesis around optional chaining before await ([#6087] by [@evilebottnawi])
```js
// Input
async function myFunction() {
var x = (await foo.bar.blah)?.hi;
}
// Output (Prettier 1.17.0)
async function myFunction() {
var x = await foo.bar.blah?.hi;
}
// Output (Prettier 1.17.1)
async function myFunction() {
var x = (await foo.bar.blah)?.hi;
}
```
- Handlebars: Fix {{else}}{{#if}} into {{else if}} merging ([#6080] by [@dcyriller])
// Input
{{#if a}}
a
{{else}}
{{#if c}}
c
{{/if}}
e
{{/if}}
// Output (Prettier 1.17.0)
{{#if a}}
a
{{else if c}}
c
e
{{/if}}
// Output (Prettier 1.17.1)
Code Sample
{{#if a}}
a
{{else}}
{{#if c}}
c
{{/if}}
e
{{/if}}
- JavaScript: Improved multiline closure compiler typecast comment detection ([#6070] by [@yangsu])
Previously, multiline closure compiler typecast comments with lines that
start with \* weren't flagged correctly and the subsequent parenthesis were
stripped. Prettier 1.17.1 fixes this issue.
```js
// Input
const style =/**
* @type {{
* width: number,
* }}
*/({
width,
});
// Output (Prettier 1.17.0)
const style =/**
* @type {{
* width: number,
* }}
*/ {
width,
};
// Output (Prettier 1.17.1)
const style =/**
* @type {{
* width: number,
* }}
*/({
width,
});
```
[@mathieulj]: https://togithub.com/mathieulj
[@yangsu]: https://togithub.com/yangsu
[@dcyriller]: https://togithub.com/dcyriller
[@jridgewell]: https://togithub.com/jridgewell
[@evilebottnawi]: https://togithub.com/evilebottnawi
[#6050]: https://togithub.com/prettier/prettier/pull/6050
[#6070]: https://togithub.com/prettier/prettier/pull/6070
[#6080]: https://togithub.com/prettier/prettier/pull/6080
[#6087]: https://togithub.com/prettier/prettier/pull/6087
### [`v1.17.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1170)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.16.4...1.17.0)
[diff](https://togithub.com/prettier/prettier/compare/1.16.2...1.17.0)
🔗 [Release Notes](https://prettier.io/blog/2019/04/12/1.17.0.html)
### [`v1.16.4`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1164)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.16.3...1.16.4)
[diff](https://togithub.com/prettier/prettier/compare/1.16.3...1.16.4)
- API: Fix `prettier.getSupportInfo()` reporting babel parser for older versions of Prettier. ([#5826] by [@azz])
In version `1.16.0` of Prettier, the `babylon` parser was renamed to `babel`. Unfortunately this lead to a minor breaking change: `prettier.getSupportInfo('1.15.0')` would report that it supported `babel`, not `babylon`, which breaks text-editor integrations. This has now been fixed.
[@azz]: https://togithub.com/azz
[#5826]: https://togithub.com/prettier/prettier/pull/5826
### [`v1.16.3`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1163)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.16.2...1.16.3)
[diff](https://togithub.com/prettier/prettier/compare/1.16.2...1.16.3)
- TypeScript: Revert "Update typescript-estree to new package name" ([#5818] by [@ikatyang])
There's an internal change introduced in Prettier 1.16.2,
which updated `typescript-estree` to its new package name,
but unfortunately it broke the output
so we reverted it as a temporary workaround for now.
```ts
// Input
export default {
load(k: K, t: T) {
return {k, t};
}
}
// Output (Prettier 1.16.2)
export default {
load(k: K, t: T) {
return { k, t };
}
};
// Output (Prettier 1.16.3)
export default {
load(k: K, t: T) {
return { k, t };
}
};
```
[@ikatyang]: https://togithub.com/ikatyang
[#5818]: https://togithub.com/prettier/prettier/pull/5818
### [`v1.16.2`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1162)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.16.1...1.16.2)
[diff](https://togithub.com/prettier/prettier/compare/1.16.1...1.16.2)
- CLI: Fix CI detection to avoid unwanted TTY behavior ([#5804] by [@kachkaev])
In Prettier 1.16.0 and 1.16.1, `--list-different` and `--check` logged every file in some CI environments, instead of just unformatted files.
This unwanted behavior is now fixed.
- HTML: Do not format non-normal whitespace as normal whitespace ([#5797] by [@ikatyang])
Previously, only non-breaking whitespaces (U+00A0) are marked as non-normal whitespace,
which means other non-normal whitespaces such as non-breaking narrow whitespaces (U+202F)
could be formatted as normal whitespaces, which breaks the output. We now follow the spec to
exclude all non-[ASCII whitespace](https://infra.spec.whatwg.org/#ascii-whitespace) from whitespace normalization.
(`·` represents a non-breaking narrow whitespace)
```html
Prix·:·32·€
Prix : 32 €
Prix·:·32·€
```
- JavaScript: Fix record type cast comment detection ([#5793] by [@yangsu])
Previously, type cast comments with record types were ignored and prettier
stripped the subsequent parens. Prettier 1.16.2 handles these cases correctly.
```js
// Input
const v = /** @type {{key: number}} */ (value);
// Output (Prettier 1.16.1)
const v = /** @type {{key: number}} */ value;
// Output (Prettier 1.16.2)
const v = /** @type {{key: number}} */ (value);
```
[@ikatyang]: https://togithub.com/ikatyang
[@kachkaev]: https://togithub.com/kachkaev
[@yangsu]: https://togithub.com/yangsu
[#5793]: https://togithub.com/prettier/prettier/pull/5793
[#5797]: https://togithub.com/prettier/prettier/pull/5797
[#5804]: https://togithub.com/prettier/prettier/pull/5804
### [`v1.16.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#1161)
[Compare Source](https://togithub.com/prettier/prettier/compare/1.16.0...1.16.1)
[diff](https://togithub.com/prettier/prettier/compare/1.16.0...1.16.1)
- JavaScript: Do not format functions with arguments as react hooks ([#5778] by [@SimenB])
The formatting added in Prettier 1.16 would format any function receiving an
arrow function and an array literal t
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This PR contains the following updates:
1.13.3->2.8.8Release Notes
prettier/prettier (prettier)
### [`v2.8.8`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#288) [Compare Source](https://togithub.com/prettier/prettier/compare/2.8.7...2.8.8) This version is a republished version of v2.8.7. A bad version was accidentally published and [it can't be unpublished](https://togithub.com/npm/cli/issues/1686), apologies for the churn. ### [`v2.8.7`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#287) [Compare Source](https://togithub.com/prettier/prettier/compare/2.8.6...2.8.7) [diff](https://togithub.com/prettier/prettier/compare/2.8.6...2.8.7) ##### Allow multiple decorators on same getter/setter ([#14584](https://togithub.com/prettier/prettier/pull/14584) by [@fisker](https://togithub.com/fisker)) ```ts // 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`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#286) [Compare Source](https://togithub.com/prettier/prettier/compare/2.8.5...2.8.6) [diff](https://togithub.com/prettier/prettier/compare/2.8.5...2.8.6) ##### Allow decorators on private members and class expressions ([#14548](https://togithub.com/prettier/prettier/pull/14548) by [@fisker](https://togithub.com/fisker)) ```ts // 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`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#285) [Compare Source](https://togithub.com/prettier/prettier/compare/2.8.4...2.8.5) [diff](https://togithub.com/prettier/prettier/compare/2.8.4...2.8.5) ##### Support TypeScript 5.0 ([#14391](https://togithub.com/prettier/prettier/pull/14391) by [@fisker](https://togithub.com/fisker), [#13819](https://togithub.com/prettier/prettier/pull/13819) by [@fisker](https://togithub.com/fisker), [@sosukesuzuki](https://togithub.com/sosukesuzuki)) TypeScript 5.0 introduces two new syntactic features: - `const` modifiers for type parameters - `export type *` declarations ##### Add missing parentheses for decorator ([#14393](https://togithub.com/prettier/prettier/pull/14393) by [@fisker](https://togithub.com/fisker)) ```jsx // 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](https://togithub.com/prettier/prettier/pull/14458) by [@fisker](https://togithub.com/fisker)) ```tsx // 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](https://togithub.com/prettier/prettier/pull/14516) by [@josephfrazier](https://togithub.com/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). ```html{/w/.test(s)}
; ``` ```js class A extends B { #privateMethod() { super.method(); } } ``` ### [`v2.6.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#261) [Compare Source](https://togithub.com/prettier/prettier/compare/2.6.0...2.6.1) [diff](https://togithub.com/prettier/prettier/compare/2.6.0...2.6.1) ##### Ignore `loglevel` when printing information ([#12477](https://togithub.com/prettier/prettier/pull/12477) by [@fisker](https://togithub.com/fisker)) ```bash ``` ### [`v2.6.0`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#Prettier-260) [Compare Source](https://togithub.com/prettier/prettier/compare/2.5.1...2.6.0) prettier --loglevel silent --find-config-path index.js ### [`v2.5.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#251) [Compare Source](https://togithub.com/prettier/prettier/compare/2.5.0...2.5.1) [diff](https://togithub.com/prettier/prettier/compare/2.5.0...2.5.1) ##### Improve formatting for empty tuple types ([#11884](https://togithub.com/prettier/prettier/pull/11884) by [@sosukesuzuki](https://togithub.com/sosukesuzuki)) ```tsx // 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](https://togithub.com/prettier/prettier/pull/11892) by [@fisker](https://togithub.com/fisker)) A internal change in Prettier@v2.5.0 accidentally breaks the Jest inline snapshot test. ##### Support Glimmer's named blocks ([#11899](https://togithub.com/prettier/prettier/pull/11899) by [@duailibe](https://togithub.com/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](https://emberjs.github.io/rfcs/0460-yieldable-named-blocks.html). ```hbs // InputConfiguration
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♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.
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