prettier/CHANGELOG.md

# 1.16.0

[diff](https://github.com/prettier/prettier/compare/1.15.3...1.16.0)

🔗 [Release Notes](https://prettier.io/blog/2019/01/20/1.16.0.html)

# 1.15.3

[diff](https://github.com/prettier/prettier/compare/1.15.2...1.15.3)

- JavaScript: support `htm` ([#5565](https://github.com/prettier/prettier/pull/5565))
- JavaScript: support logical assignment operator ([#5489](https://github.com/prettier/prettier/pull/5489))
- JavaScript: do not add quotes for interpolation-only attributes in `html` templates ([#5544](https://github.com/prettier/prettier/pull/5544))
- JavaScript: add missing parenthesis for binary in optional member ([#5543](https://github.com/prettier/prettier/pull/5543))
- JavaScript: fix a parser regression ([#5530](https://github.com/prettier/prettier/pull/5530))
- JavaScript: improve union types with leading comments ([#5575](https://github.com/prettier/prettier/pull/5575))
- TypeScript: support BigInt ([#5546](https://github.com/prettier/prettier/pull/5546), [#5577](https://github.com/prettier/prettier/pull/5577))
- TypeScript: inline method decorators should stay inlined ([#5444](https://github.com/prettier/prettier/pull/5444))
- TypeScript: do not change `module` into `namespace` and break/hug their body correctly ([#5551](https://github.com/prettier/prettier/pull/5551))
- TypeScript: do not add invalid semicolon for construct in interface with `// prettier-ignore` ([#5469](https://github.com/prettier/prettier/pull/5469))
- HTML: do not touch comments ([#5525](https://github.com/prettier/prettier/pull/5525))
- HTML: preserve bogus comments `<! ... >`/`<? ... >` ([#5565](https://github.com/prettier/prettier/pull/5565))
- HTML: support IE conditional start/end comment ([#5470](https://github.com/prettier/prettier/pull/5470))
- HTML: do not add extra indentation for js template in `<script>` ([#5527](https://github.com/prettier/prettier/pull/5527))
- HTML: leading spaces for the first interpolation in `<textarea>` are sensitive ([#5468](https://github.com/prettier/prettier/pull/5468))
- HTML: preserve content for element in `<pre>` correctly ([#5473](https://github.com/prettier/prettier/pull/5473))
- HTML: correct column for error code frame ([#5553](https://github.com/prettier/prettier/pull/5553))
- Angular: support interpolation in attributes ([#5573](https://github.com/prettier/prettier/pull/5573))
- Angular: do not print colon for `then` and `else` in `*ngIf` ([#5542](https://github.com/prettier/prettier/pull/5542))
- Angular/Vue: do not normalize tag/attribute names ([#5526](https://github.com/prettier/prettier/pull/5526), [#5549](https://github.com/prettier/prettier/pull/5549))
- Vue: preserve custom block ([#5458](https://github.com/prettier/prettier/pull/5458))
- Vue: remove unnecessary semicolon and preserve necessary semicolon for single expression in event bindings ([#5519](https://github.com/prettier/prettier/pull/5519))
- Vue: group `slot-scope` correctly ([#5563](https://github.com/prettier/prettier/pull/5563))
- Markdown: do not trim content in inline-math ([#5485](https://github.com/prettier/prettier/pull/5485))
- Markdown: add more category to CJK regex ([#5480](https://github.com/prettier/prettier/pull/5480))
- SCSS: update parser for performance improvements ([#5481](https://github.com/prettier/prettier/pull/5481))
- YAML: preserve the first document head end marker `---` ([#5502](https://github.com/prettier/prettier/pull/5502))
- API: resolve `ignored` field correctly in `.getFileInfo()` with absolute filePath ([#5570](https://github.com/prettier/prettier/pull/5570))
- API/CLI: fix a bug that caches for `.js` config files did not respect `.clearConfigCache()` ([#5558](https://github.com/prettier/prettier/pull/5558))
- API/CLI: ignore `unset` in `.editorconfig` ([#5550](https://github.com/prettier/prettier/pull/5550))
- CLI: report status code `0` for `--list-different` + `--write` ([#5512](https://github.com/prettier/prettier/pull/5512))
- Standalone: fix a regression for browser compatibility ([#5560](https://github.com/prettier/prettier/pull/5560))

# 1.15.2

[diff](https://github.com/prettier/prettier/compare/1.15.1...1.15.2)

- CLI: allow flag overriding ([#5390](https://github.com/prettier/prettier/pull/5390))
- JavaScript: do not apply test call formatting to arrow function without body ([#5366](https://github.com/prettier/prettier/pull/5366))
- JavaScript: do not duplicate comments in styled-components ([#5416](https://github.com/prettier/prettier/pull/5416))
- JavaScript: do not indent comments behind variable declarations ([#5434](https://github.com/prettier/prettier/pull/5434))
- JavaScript: inline property decorator should stay inline ([#5364](https://github.com/prettier/prettier/pull/5364), [#5423](https://github.com/prettier/prettier/pull/5423))
- JavaScript: treat `createSelector` as function composition ([#5430](https://github.com/prettier/prettier/pull/5430))
- Flow: do not move flow comment for function argument to its body ([#5435](https://github.com/prettier/prettier/pull/5435))
- Flow: force-break interface body to be consistent with TypeScript interface ([#5432](https://github.com/prettier/prettier/pull/5432))
- Flow/TypeScript: remove extra indentation for `extends` ([#5432](https://github.com/prettier/prettier/pull/5432))
- TypeScript: distinguish `module` and `namespace` correctly ([#5432](https://github.com/prettier/prettier/pull/5432))
- HTML: handle CRLF correctly ([#5393](https://github.com/prettier/prettier/pull/5393))
- HTML: handle `<pre>` with interpolation ([#5400](https://github.com/prettier/prettier/pull/5400))
- HTML: preserve content for `<template>` with unknown `lang` ([#5388](https://github.com/prettier/prettier/pull/5388))
- HTML: preserve incomplete IE conditional comments ([#5429](https://github.com/prettier/prettier/pull/5429))
- HTML: preserve unterminated IE conditional comments ([#5424](https://github.com/prettier/prettier/pull/5424))
- HTML: treat capital element as custom element ([#5395](https://github.com/prettier/prettier/pull/5395))
- Angular: add missing parens for pipe in ternary ([#5397](https://github.com/prettier/prettier/pull/5397))
- Angular: correctly print unary expression with operator `+` ([#5405](https://github.com/prettier/prettier/pull/5405))
- Angular: correctly handle parens ([#5387](https://github.com/prettier/prettier/pull/5387))
- Angular/Vue: whitespaces between interpolation and text are sensitive ([#5396](https://github.com/prettier/prettier/pull/5396))
- Vue: do not add invalid semicolon for `v-on` attribute value ([#5418](https://github.com/prettier/prettier/pull/5418))
- SCSS: do not crash on grid value ([#5394](https://github.com/prettier/prettier/pull/5394))
- Markdown: handle CRLF correctly ([#5414](https://github.com/prettier/prettier/pull/5414))
- Markdown: identify CJK correctly ([#5402](https://github.com/prettier/prettier/pull/5402))
- MDX: treat JSX code block same as in Markdown ([#5391](https://github.com/prettier/prettier/pull/5391))

# 1.15.1

[diff](https://github.com/prettier/prettier/compare/1.15.0...1.15.1)

- Markdown: do not keep increasing backslashes for dollar sign ([#5358](https://github.com/prettier/prettier/pull/5358))

# 1.15.0

[diff](https://github.com/prettier/prettier/compare/1.14.3...1.15.0)

🔗 [Release Notes](https://prettier.io/blog/2018/11/07/1.15.0.html)

# 1.14.3

[diff](https://github.com/prettier/prettier/compare/1.14.2...1.14.3)

- Chore: add missing LICENSE ([#5114](https://github.com/prettier/prettier/pull/5114))

# 1.14.2

[diff](https://github.com/prettier/prettier/compare/1.14.1...1.14.2)

- YAML: fix the line ending issue on Windows ([#4957](https://github.com/prettier/prettier/pull/4957))
- TypeScript: better error message ([#4947](https://github.com/prettier/prettier/pull/4947))

# 1.14.1

[diff](https://github.com/prettier/prettier/compare/1.14.0...1.14.1)

- JavaScript: add parens for unary in bind ([#4950](https://github.com/prettier/prettier/pull/4950))
- JavaScript: format angular jasmine `it("should ...", fakeAsync(() => { ...` correctly. ([#4954](https://github.com/prettier/prettier/pull/4954))
- JavaScript: Revert this/super blacklist for function composition heuristic ([#4936](https://github.com/prettier/prettier/pull/4936))
- JavaScript: no extra space on Flow interface method named `static` ([#4910](https://github.com/prettier/prettier/pull/4910))
- JavaScript: no extra line break in destructed assignment of ternary ([#4932](https://github.com/prettier/prettier/pull/4932))
- Flow: print ObjectTypeInternalSlot with both flow/babel parsers ([#4869](https://github.com/prettier/prettier/pull/4869))
- TypeScript: no invalid output for ImportType in TypeReference ([#4939](https://github.com/prettier/prettier/pull/4939))
- YAML: do not throw on duplicate merge key ([#4931](https://github.com/prettier/prettier/pull/4931))
- YAML: no duplicate comments in mappingValue ([#4931](https://github.com/prettier/prettier/pull/4931))
- YAML: print end comment in nested mapping correctly ([#4918](https://github.com/prettier/prettier/pull/4918))
- YAML: do not put singleline values on a separate line from the key ([#4916](https://github.com/prettier/prettier/pull/4916))
- YAML: prefer dash as document separator ([#4921](https://github.com/prettier/prettier/pull/4921))
- API: update support info for Flow ([#4943](https://github.com/prettier/prettier/pull/4943))
- CLI: ignore .git, .svn and .hg directories ([#4906](https://github.com/prettier/prettier/pull/4906))
- CLI: support TOML configuration files ([#4877](https://github.com/prettier/prettier/pull/4877))

# 1.14.0

[diff](https://github.com/prettier/prettier/compare/1.13.7...1.14.0)

🔗 [Release Notes](https://prettier.io/blog/2018/07/29/1.14.0.html)

# 1.13.7

[diff](https://github.com/prettier/prettier/compare/1.13.6...1.13.7)

- Remove calls to `eval("require")` in the distributed code ([#4766](https://github.com/prettier/prettier/pull/4766))

# 1.13.6

[diff](https://github.com/prettier/prettier/compare/1.13.5...1.13.6)

- Upgrade Flow parser to 0.75.0 ([#4649](https://github.com/prettier/prettier/pull/4649) and [#4727](https://github.com/prettier/prettier/pull/4727))
- Preserve type parameters of import-types in TypeScript ([#4662](https://github.com/prettier/prettier/pull/4662))
- Preserve parens for type casting for sub-item ([#4648](https://github.com/prettier/prettier/pull/4648))

# 1.13.5

[diff](https://github.com/prettier/prettier/compare/1.13.4...1.13.5)

- Better handling of trailing spaces in Markdown ([#4593](https://github.com/prettier/prettier/pull/4593))
- Fix empty file error in JSON and GraphQL ([#4553](https://github.com/prettier/prettier/pull/4553))
- Preserve decorator on TypeScript interfaces ([#4632](https://github.com/prettier/prettier/pull/4632))
- Inline \_ or \$ in the root of a method chain ([#4621](https://github.com/prettier/prettier/pull/4621))

# 1.13.4

[diff](https://github.com/prettier/prettier/compare/1.13.3...1.13.4)

- Fix a regression when printing graphql-in-js ([#4616](https://github.com/prettier/prettier/pull/4616))

# 1.13.3

[diff](https://github.com/prettier/prettier/compare/1.13.2...1.13.3)

- Fix a regression when printing `hasOwnProperty` and other functions in `Object`'s prototype ([#4603](https://github.com/prettier/prettier/pull/4603))
- Fix a regression in exit status when using `--debug-check` and `--list-different` ([#4600](https://github.com/prettier/prettier/pull/4600))

# 1.13.2

[diff](https://github.com/prettier/prettier/compare/1.13.1...1.13.2)

- Republished 1.13.1 with missing README included this time

# 1.13.1

[diff](https://github.com/prettier/prettier/compare/1.13.0...1.13.1)

- Revert default parser change in API (still present in CLI)

# 1.13.0

[diff](https://github.com/prettier/prettier/compare/1.12.1...1.13.0)

🔗 [Release Notes](https://prettier.io/blog/2018/05/23/1.13.0.html)

# 1.12.1

[diff](https://github.com/prettier/prettier/compare/1.12.0...1.12.1)

- Fix for tag being removed from CSS with embedded expressions ([#4302](https://github.com/prettier/prettier/pull/4302))
- Wrap awaits in unary expressions with parens ([#4315](https://github.com/prettier/prettier/pull/4315))
- Fix style regression on flow union types ([#4325](https://github.com/prettier/prettier/pull/4325))

# 1.12.0

[diff](https://github.com/prettier/prettier/compare/1.11.1...1.12.0)

🔗 [Release Notes](https://prettier.io/blog/2018/04/11/1.12.0.html)

# 1.11.1

[diff](https://github.com/prettier/prettier/compare/1.11.0...1.11.1)

- 1.11.0 was incorrectly shipped with the wrong version of the TypeScript parser, which broke conditional types. This release fixes it.
- Fixed an issue relating to deprecated parsers ([#4072](https://github.com/prettier/prettier/pull/4072))

# 1.11.0

[diff](https://github.com/prettier/prettier/compare/1.10.2...1.11.0)

🔗 [Release Notes](https://prettier.io/blog/2018/02/26/1.11.0.html)

# 1.10.2

[diff](https://github.com/prettier/prettier/compare/1.10.1...1.10.2)

- Fixed an issue printing .vue files with self-closing tags. (#3705 by duailibe)

# 1.10.1

[diff](https://github.com/prettier/prettier/compare/1.10.0...1.10.1)

- Fixed an issue where the CLI fails to resolve a file.

# 1.10.0

[diff](https://github.com/prettier/prettier/compare/1.9.2...1.10.0)

🔗 [Release Notes](https://prettier.io/blog/2018/01/10/1.10.0.html)

# 1.9.2

[diff](https://github.com/prettier/prettier/compare/1.9.1...1.9.2)

- Fixed trailing comma not being printed in function calls if the last arg was an arrow (#3428 by duailibe)
- Ignore whitespace after the `/**` in docblocks (#3430 by duailibe)
- Fixed a bug where `get` and `set` class properties arrows would print an unnecessary semicolon with `--no-semi` (#3434 by duailibe)
- Fixed a bug for missing `.editorconfig` files (#3439 by josephfrazier)
- Fix comments being moved in class methods and object properties with the babylon parser (#3441 by duailibe)
- Better printing of member chains with a TSNonNullExpression (`!` character) (#3442 by duailibe)
- Fix missing commas in object properties when a `pretter-ignore` comment is present (#3448 by duailibe)
- Fix printing union types inside a function param type (#3446 by duailibe)
- Fix closing parens on multi-line intersection/union type (#3436 by josephfrazier)
- Don't break single argument destructuring arguments (for arrays and with simple default values) (#3443 by duailibe)

# 1.9.1

[diff](https://github.com/prettier/prettier/compare/1.9.0...1.9.1)

- Fixed a bug of comments with JSX fragments being duplicated in output (#3398 by duailibe)
- Fixed a bug that Prettier would fail when using tabs (#3401 by ikatyang)
- Fixed a regression that removed trailing commas when printing JS code blocks in Markdown (#3405 by azz)
- Fixed a bug when using glob `**/*` which would try to format directories (#3411 by duailibe)
- Fixed a bug when `.editorconfig` had `max_line_length = "off"` (#3412 by duailibe)

# 1.9.0

[diff](https://github.com/prettier/prettier/compare/1.8.2...1.9.0)

🔗 [Release Notes](https://prettier.io/blog/2017/12/05/1.9.0.html)

# 1.8.2

[diff](https://github.com/prettier/prettier/compare/1.8.1...1.8.2)

- Markdown: Don't break on links (#3204 by ikatyang)
- Markdown: Add `--no-prose-wrap` option (#3199 by ikatyang)
- TypeScript: Parenthesis around TSAsExpression inside TSAbstractClassDeclaration (#3191 by duailibe)
- JSON: Print JSON top comments as leading comments of root node (#3187 by duailibe)

# 1.8.1

[diff](https://github.com/prettier/prettier/compare/1.8.0...1.8.1)

- Force JSON to no trailing comma in multiparser (#3182 by azz)
- Don't add trailing commas in JSXAttribute for arrow functions (#3181 by duailibe)
- Markdown: Allow more cases that `_`-style emphasis is available (#3186 by ikatyang)
- Markdown: Handle additional spaces before `code` (#3180 by ikatyang)
- Markdown: Do not break on unbreakable place (#3177 by ikatyang)
- Markdown: Do not break before special prefix (#3172 by ikatyang)

# 1.8.0

[diff](https://github.com/prettier/prettier/compare/1.7.4...1.8.0)

🔗 [Release Notes](https://prettier.io/blog/2017/11/07/1.8.0.html)

# 1.7.4

[diff](https://github.com/prettier/prettier/compare/1.7.3...1.7.4)

- Force template literals to break after \` for styled-components (#2926 by duailibe)
- Update cosmiconfig to v3.1.0 (#2952 by ikatyang)
- Respect --stdin-filepath, regardless of config source (#2948 by azz)

# 1.7.3

[diff](https://github.com/prettier/prettier/compare/1.7.2...1.7.3)

- Fix cosmiconfig in the built version of Prettier (#2930 by lydell)
- Fix: ignore and show warning for unknown option from config file (#2929 by ikatyang)
- Don't use parens with optional chaining meber expressions (#2921 by azz)

# 1.7.2

[diff](https://github.com/prettier/prettier/compare/1.7.1...1.7.2)

- Revert "Fix line break in test declarations with a single argument function declaration" (#2912)

# 1.7.1

[diff](https://github.com/prettier/prettier/compare/1.7.0...1.7.1)

- Enable cosmiconfig rcExtensions (#2749 by elektronik2k5)
- Keep original empty lines in argument list (#2763 by jackyho112)
- Upgrade prettier dependency to 1.7.0, fix lint (#2821 by josephfrazier)
- Fix different precedence binary expression when inlining (#2827 by duailibe)
- Bump Babylon (#2831 by existentialism)
- Don't lowercase Less variables when parsed with SCSS parser (#2833 by lydell)
- Don't lowercase `&class` in SCSS/Less selectors (#2834 by lydell)
- Add support for ClassPrivateProperty (#2837 by existentialism)
- Upgrade cosmiconfig to v3, remove hardcoded combinatoric problem (#2843 by azz)
- Split Less and SCSS parsing into different parsers (#2844 by lydell)
- feat: support detailed `--help` (#2847 by ikatyang)
- Update cosmiconfig to 3.0.1 to avoid memory leak (#2848 by danez)
- chore: add prettier-stylelint to the related projects (#2859 by hugomrdias)
- Don't lowercase SCSS placeholder selectors (#2876 by lydell)
- Fix line break in test declarations with 2nd argument as a function (#2877 by duailibe)
- Use semicolons in Flow interface-like bodies (#2593) (#2888 by motiz88)
- We do not need to have a reference to the toolbox-companion since we (#2892 by mitermayer)
- fix(cli): validate options for every `config-precedence` (#2894 by ikatyang)
- fix: do not print stack trace for invalid option (#2895 by ikatyang)
- refactor: use custom error (#2896 by ikatyang)
- fix(typescript): allow symbol type (#2899 by ikatyang)
- Support fit(), xit(), it.only(), etc (#2900 by azz)
- Fix editor styling on empty editors (#2904 by jakegavin)
- Fix printing of comments between decorators and method names (#2906 by azz)

# 1.7.0

[diff](https://github.com/prettier/prettier/compare/1.6.1...1.7.0)

🔗 [Release Notes](https://prettier.io/blog/2017/09/15/1.7.0.html)

# 1.6.1

[diff](https://github.com/prettier/prettier/compare/1.6.0...1.6.1)

- Fix CLI option parsing with no arguments (#2684)
- Fix config file finding when using stdin (#2692)
- Fix union type with type params regression (#2688)
- Fix flow parenthesis regression (#2687)

# 1.6.0

[diff](https://github.com/prettier/prettier/compare/1.5.3...1.6.0)

🔗 [Release Notes](https://prettier.io/blog/2017/08/29/1.6.0.html)

# 1.5.3

[diff](https://github.com/prettier/prettier/compare/1.5.2...1.5.3)

- Force trailingComma option to "none" when parser is JSON (#2335)

# 1.5.2

[diff](https://github.com/prettier/prettier/compare/1.5.1...1.5.2)

- Full printing support for GraphQL and various bug fixes
- Fixes for range formatting for JSON and CSS (#2295, #2298)

# 1.5.1

[diff](https://github.com/prettier/prettier/compare/1.5.0...1.5.1)

- Go back to babylon beta 13 (#2289)
- Inline import('x') to avoid having trailing comma (#2288)

# 1.5.0

[diff](https://github.com/prettier/prettier/compare/1.4.4...1.5.0)

🔗 [Release Notes](https://prettier.io/blog/2017/06/28/1.5.0.html)

# 1.4.4

🔗 Fix postcss, I forgot to re-run the build script :(

# 1.4.3

[diff](https://github.com/prettier/prettier/compare/1.4.2...1.4.3)

- Fix support for node 4 (#1988)
- Fix website on iOS Safari (#1970)

Formatting change:

- Position JSX whitespace (`{" "}`) at the end of lines (#1964)

Lots of small fixes, mainly for TypeScript.

# 1.4.2

[diff](https://github.com/prettier/prettier/compare/1.4.1...1.4.2)

- fix(decorators): do not inline methods with decorators with babylon (#1934)
- fix(typescript): print semi with inline interfaces/types (#1936)
- fix(typescript): no semi after export default abstract class, fixes (#1937)
- TypeScript: fix trailing comma in enum (#1938)

# 1.4.1

[diff](https://github.com/prettier/prettier/compare/1.4.0...1.4.1)

- Lots of fixes for TypeScript and regressions from 1.4.0. If you are using 1.4.0, you should migrate to 1.4.1 asap ;)

# 1.4.0

[diff](https://github.com/prettier/prettier/compare/1.3.1...1.4.0)

🔗 [Release Notes](https://prettier.io/blog/2017/06/03/1.4.0.html)

# 1.3.1

[diff](https://github.com/prettier/prettier/compare/1.3.0...1.3.1)

- Respect template inline-ness (#1497)

# 1.3.0

[diff](https://github.com/prettier/prettier/compare/1.2.2...1.3.0)

🔗 [Release Notes](https://prettier.io/blog/2017/05/03/1.3.0.html)

- add printer branches for some TypeScript nodes (#1331)
- Skip trailing commas with FlowShorthandWithOneArg (#1364)
- add TSLastTypeNode and TSIndexedAccessType (#1370)
- add TSConstructorType (#1367)
- fix do-while break (#1373)
- Fix missing trailing commas on flow generics (#1381)
- Add example of using yarn test with arguments (#1383)
- Have --debug-check also run ast verification (#1337)
- Fix empty line in block with EmptyStatement (#1375)
- parent decides how to print type annotations (#1391)
- add TSTypeOperator (#1396)
- fix TSTypeReference not printing typeArguments (#1392)
- add TSMappedType and TSTypeParameter (#1393)
- fix TSFunctionType failing on TypeParameters (#1394)
- add TSIntersectionType (#1395)
- fix typeParameters printing TSFunctionType w/o breaking flow (#1397)
- Fix optional flow parenthesis (#1357)
- [experimental] Add linting step in test pipeline (#1172)
- fix VariableDeclarator not printing type parameters (#1415)
- add TSMethodSignature (#1416)
- Add TSParameterProperty, TSAbstractClassDeclaration and TSAbstractMethodDefinition (#1410)
- Inline nullable in flow generics (#1426)
- fixed method 'check' error 'format' of undefined (#1424)
- feat(typescript): add delcare modifier support for vars, classes and functions (#1436)
- Allow flow declarations to break on StringLiteralTypeAnnotations (#1437)
- Require '::a.b' to have a preceding ; in no-semi style (#1442)
- Require '(a || b).c++' to have a preceding ; in no-semi style (#1443)
- Upgrade flow parser to 0.45 (#1447)
- Add supertype tests and add TSAbstractClassProperty (#1467)
- Break class expression returned by arrow call (#1464)
- update typescript snapshots to account for #1464 (#1470)
- [WIP] add TSNamespaceExportDeclaration (#1459)
- update yarn.lock (#1471)
- [RFC] Do not indent calls with a single template literal argument (#873)
- Proper indentation for template literals (#1385)
- Add parenthesis for unusual nested ternaries (#1386)
- Preserve inline comment as last argument (#1390)
- Only add parenthesis on ternaries inside of arrow functions if doesn't break (#1450)
- Fix windows line ending on template literals (#1439)
- Add space around `=` for flow generics default arguments (#1476)
- Don't break for unparenthesised single argument flow function (#1452)
- Don't break on empty arrays and objects (#1440)
- Do not break on `[0]` (#1441)
- Reorder flow object props (#1451)
- Break inline object first in function arguments (#1453)
- Break inline object first in function arguments (#1453) (#1173)
- Inline template literals as arrow body (#1485)

# 1.2.2

[diff](https://github.com/prettier/prettier/compare/1.2.1...1.2.2)

- Only break for conditionals (#1350)

# 1.2.1

[diff](https://github.com/prettier/prettier/compare/1.2.0...1.2.1)

- Fix duplicate comments in classes (#1349)

# 1.2.0

[diff](https://github.com/prettier/prettier/compare/1.1.0...1.2.0)

🔗 [Release Notes](https://prettier.io/blog/2017/04/20/1.2.0.html)

- match jsx files in pre-commit hook (#1276)
- Fix isPreviousLineEmpty on Windows (#1263)
- Add --dev option to suggested install cmd (#1289)
- Write out change CLI changes synchronously. Fixes #1287. (#1292)
- Remove emoji part from lint-staged's name (#1302)
- omit 'doc' key from options object before passing it to format() (#1299)
- Skip globbing filenames with node-glob when the filename is not a glob (#1307)
- FIX: more documentation for jetbrains (#1265)
- Fix template literal comments (#1296)
- Double quotes for option values in Readme file (#1314)
- Do not print the sub-tree when using prettier-ignore (#1286)
- Bail when traversing === groups (#1294)
- Avoid breaking arguments for last arg expansion (#1305)
- Add typescript as a valid parser value (#1318)
- Add jestbrains filewatcher docs (#1310)
- Add prettier_d to Related Projects (#1328)
- Add parentheses for assignment as body of arrow (#1326)
- Add information about Vim's other autocmd events (#1333)
- add printer branch for TSFirstTypeNode (#1332)
- Optimize `prettier --help` for humans (#1340)
- Update link to @vjeux's React London presentation (#1330)
- Improve regex printing (#1341)
- Fix arrow function parenthesis with comments in flow (#1339)
- Break if () if conditional inside breaks (#1344)
- Don't inline paren at right of arguments (#1345)

# 1.1.0

[diff](https://github.com/prettier/prettier/compare/1.0.0...1.1.0)

- Prettier 1.0 is the stabler release we've been waiting for (#1242)
- fix small typo (#1255)
- Fix : ReferenceError: err is not defined (#1254)
- Document debugging strategies (#1253)
- Do not inline member expressions as part of assignments (#1256)
- Fix flow union params (#1251)
- Use a whitelist instead of blacklist for member breaking (#1261)
- Remove trailing whitespace (#1259)
- Get rid of fixFaultyLocations code (#1252)
- Fixing n.comments check in printer (#1239)
- [WIP] no-semi comments (#1257)

# 1.0.1

- change semi default

# 1.0.0

[diff](https://github.com/prettier/prettier/compare/0.22.0...1.0.0)

🔗 [Release Notes](https://prettier.io/blog/2017/04/13/1.0.0.html)

# 0.22.0

[diff](https://github.com/prettier/prettier/compare/0.21.0...0.22.0)

- Run 0.21.0 (#876)
- Fix paren removal on UnionTypeAnnotation (#878)
- Fix typo (#891)
- Ensure no parens for JSX inside of an ArrayExpression (#895)
- Fix object expression in arrow function expression (#897)
- Fix unprinted comments in destructuring (#898)
- Fix bug with importing empty type (#904)
- Fix broken export comment (#899)
- Add CLI Example to Readme (#909)
- Fix 0.5e0 (#911)
- Fix binary expression instanceof in arrow function expression (#913)
- Improve readme CLI usage example (#910)
- Do not break long it/test calls when template literal (#893)
- Update lint-staged docs to use husky for less config. (#923)
- Fix files with comments only (#813)
- Update README.md (#928)
- Fix binary op as body in arrow expression (#921)
- cleanup needsParens (#935)
- [JSX] Break if opening element breaks (#942)
- Parenthesize function expressions in expression position (#941)
- update the README to add a pre-commit hook (#944)
- Fix #951: properly parenthesize \*\* expressions (#952)
- [WIP] TypeScript Parser (#915)
- Do not break long `describe` calls (#953)
- Recursively find leading comments inside ReturnStatements (#955)
- Fix `in` inside of a for in a nested way (#954)
- Make comments around empty parenthesis be inside (#957)
- Stabilize comment after object label (#958)
- Inline BinaryExpressions inside JSXExpression (#965)
- Only allow same-line arrow-less body for explicit nodes (#966)

# 0.21.0

[diff](https://github.com/prettier/prettier/compare/0.20.0...0.21.0)

- [JSX] Break before and after jsx whitespace (#836)
- re-run snapshot tests
- Run prettier 0.20.0 (#835)
- [JSX] Don't wrap JSX Elements in parentheses in {} (#845)
- Fix comment after the last argument of a function (#856)
- Fix travis build imag
- Do not break require calls (#841)
- Stabilize import as comments (#855)
- Fix jsx expression comment that break (#852)
- Inline last arg function arguments (#847)
- Keep parenthesis on export default function (#844)
- Inline short expressions for boolean operators too (#826)
- Introduce -l option (#854)
- Add parenthesis around assignments (#862)
- Do not put \n after label (#860)
- Fix comment for `call( // comment` (#858)
- Do not break long it calls (#842)
- Fix flow union comments (#853)

# 0.20.0

[diff](https://github.com/prettier/prettier/compare/0.19.0...0.20.0)

- Fix extra parens for update expressions (#796)
- Fix empty options (#803)
- Eagerly evaluate `ifBreak` when processing template literals (fixes #795
- Fix function declaration params comments (#802)
- Update flow to 0.40 (#808)
- Correct link for travis
- Fix function call args (#809)
- Properly support `do` (#811)
- Do not put parenthesis around not named default export (#819)
- Adds another preset to related projects (#820)
- Fix trailing commas in docs (#825)
- Put short body of arrow functions on the same line (#829)
- Preserve new lines for comments after `=` (#830)
- Fix indentation of a merged group (#828)
- Migrate class comments to the beginning (#831)
- Update list of related projects (#833)
- Allow breaking for logical expressions in member chains (#827)

# 0.19.0

[diff](https://github.com/prettier/prettier/compare/0.18.0...0.19.0)

- docs(README): use yarn add for consistency (#734)
- Make trailing-comma option support 2 different modes (#641)
- Update README with valid trailingComma options
- Fix await ternary parenthesis (#740)
- Fix missing dangling comment in exports (#741)
- Fix missing dangling comments in arrays (#744)
- Remove extra parenthesis around await inside of unary expression (#745)
- Fix missing dangling comments in for loop (#742)
- Add note about trailingComma option in versions 0.18.0 and below
- Add missing explanatory comment in ForStatement case (#748)
- Fix leading & operators in flow types (#738)
- Fix missing comments in assignment pattern (#704)
- Correctly place trailing comments in conditionals (#754)
- Use double quotes in script wildcards to support windows `cmd.exe`. (#761)
- Upgrade to Jest 19 (#762)
- Upgrade to Jest 19.0.1 (#779)
- Remove extra parens around ternary arguments of a new call (#776)
- Do not attach comments to EmptyStatements in try/catch (#763)
- Bump babylon & add test for async func decl (#790)
- Add `this` for Member factory whitelist and remove softline (#782)
- Do not expand empty catch (#783)
- Group [0] at the end of the previous chain instead of beginning of next one (#784)
- Do not format template literals (#749)
- Revert babylon bump (#792)
- Do not put trailing commas for function declaration in es5 mode (#791)
- [WIP] Fix comments in template literals (#643)
- Introduce line-suffix-boundary (#750)
- [RFC] Add parenthesis around && inside of || (#780)
- Fix tests on node 4

# 0.18.0

[diff](https://github.com/prettier/prettier/compare/0.17.1...0.18.0)

- fix --debug-check
- [JSX] Don't add newline following newline (#690)
- [Docs] Use replaceState API when demo code changes (#710)
- Do not inline new as last argument (#705)
- Inline objects & arrays as right part of a boolean expression (#692)
- [RFC] Remove parenthesis object special case (#689)
- Ensure importKind is printed (#718)
- [Docs]: update Readme to reference VS extension (#720)
- docs: Add pre-commit hook with 🚫💩 lint-staged section to the README (#714)
- [RFC] Preserve new lines between array elements (#707)
- Do not put \n inside of empty object method bodies (#706)
- Align boolean inside of arrow functions (#691)
- Fix trailing new lines preservation (#724)
- Unified Split

# 0.17.1

[diff](https://github.com/prettier/prettier/compare/0.17.0...0.17.1)

- Use `readline` api to manipulate `process.stdout` output. (#687)

# 0.17.0

[diff](https://github.com/prettier/prettier/compare/0.16.0...0.17.0)

- [JSX] Fix spurious newline (fixes #614) (#628)
- Add --debug-check cli option (#627)
- Remove last trailing line for directives-only files (#609)
- Expand vim instructions
- Fix formatting in readme
- Update snapshots
- Preserve empty line before last comment (#594)
- test on current release of node.js (#595)
- [JSX] jsx-whitespace breaks with parent (fixes #622) (#626)
- Log filename with [update] or [ignore] flags during `--write` process. (#584)
- Do not indent binary expressions inside of if (#604)
- Put short elements at right of single binary expression on same line (#605)
- Run prettier 0.16.0 on the codebase (#631)
- Preserve blank lines inside of objects (#606)
- fix typo in JetBrains External Tool config readme (#679)
- Fix dangling comments for arrays (#665)
- Print line-suffix in --debug-print-doc (#676)
- Avoid unneeded parenthesis for colon with comments (#673)
- Stabilize comments inside of if/then/else before { (#672)
- Soft break the first member of a chain (#667)
- Stabilize comments inside of ternaries (#666)
- Fix trailing commas with a trailing comment (#664)
- Fix Flow union type annotations indentation (#650)
- Ensure that all comments are printed (#571)
- Properly support member chains comments (#668)
- [WIP] Fix Flow DeclareTypeAlias (#669)
- Add option for putting > on the last line in jsx (#661)
- Always put a hardline before dangling comment (#675)
- Fix comments in return statement argument (#657)
- [RFC] Introduce prettier-ignore-next (#671)

# 0.16.0

[diff](https://github.com/prettier/prettier/compare/0.15.0...0.16.0)

- Revert "Print \x and \u escapes in strings and regexes lowercase (#522)
- Fix ternary indent bug (#577)
- jsx parentheses fix (#580)
- Run prettier on 0.15.0 (#558)
- Add parenthesis around single argument arrow if comments (#573)
- Use breakParent inside of last arrow expansion (#559)
- Support dangling comments in ClassBody (#570)
- Make all the member expressions but the last one part of the first group (#589)
- Break long imports (#590)
- Remove the concept of globalPrecedingNode (#561)
- Remove test.js and put it back in the gitignore
- Fix use strict as expression statement (#602)
- Use arrow function when inputted that way for flow objects (#608)
- Better support try/catch comments (#607)
- Print CallExpression comments inside of memberChain (#600)
- Do not attach comments to EmptyStatement (#599)
- Fix files with only comments on the flow parser (#598)
- Remove first line special case (#597)
- Fix single indented JSX comment (#596)
- Print dangling on ast on all the paths

# 0.15.0

[diff](https://github.com/prettier/prettier/compare/0.14.1...0.15.0)

- Fix syntax error in empty object with dangling comment (#533)
- Fix closing call expression commented out (#530)
- Update `bracketSpacing` comment to say it's about {} (#529)
- Add 0.14.1 to CHANGELOG (#525)
- Print \x and \u escapes in strings and regexes lowercase (#522)
- Fix Jetbrains example screenshot url. (#534)
- Preserve next line with trailing comment (#535)
- Break nested calls (#517)
- Update snapshot tests from conflicting PRs
- Reimplement MemberExpression printing (#469)
- Remove spurious test.js
- Fix small typo on Jetbrains section (#552)
- [JSX] Handle non-breaking space (#557)
- Make comments between if & else to look good (#544)
- Whitelist UnaryExpression for parentless objects (#545)
- Make comments inside of MemberExpression look good (#556)

# 0.14.1

[diff](https://github.com/prettier/prettier/compare/0.14.0...0.14.1)

- Fix range for object newline detection (#520)
  - a bugfix for "Keep expanded objects expanded" (#495)

# 0.14.0

[diff](https://github.com/prettier/prettier/compare/0.13.0...0.14.0)

- Only write to files if the change (#511)
- Remove extra group when printing object values (#502)
- Add documentation for JetBrains products. (#509)
- Don't print trailing commas for object destructuring and rest (#512)
- Mention eslint-config-prettier (#516)
- [RFC] Keep expanded objects expanded (#495)
- Do not always put an empty lines after directives (#505)
- Print numbers in a uniform way (#498)

# 0.13.0

[diff](https://github.com/prettier/prettier/compare/0.12.0...0.13.0)

- Simplify arrow functions that use blocks (#496)
- Properly print comments for BinaryExpression (#494)
- Preserve empty line after comment (#493)
- [JSX] Handle each line of text separately (#455)
- Proper support for dangling comments (#492)

# 0.12.0

[diff](https://github.com/prettier/prettier/compare/0.11.0...0.12.0)

- [WIP] Add rationale document (#372)
- Proper parenthesis for yield and await in conditional (#436)
- Don't print double newlines at EOF to stdout (#437)
- Explain the `--color` option in a comment (#434)
- Validate user-provided config with jest-validate (#301)
- Propagate breaks upwards automatically, introduce `breakParent` (#440)
- Fix typo in variable name (#441)
- Refactor traversal (#442)
- Do not put a newline on empty `{}` for functions (#447)
- Better error message for assertDoc (#449)
- Remove `multilineGroup` (#450)
- Ability to break on `:` for objects (#314)
- Update snapshots
- [RFC] Do not put spacing inside of arrays with bracketSpacing (#446)
- Fix integer CLI arguments (#452)
- Move tests around (#454)
- Update package.json, use ast-types 0.9.4 (#453)
- Update lockfile
- Support printing import("a") (#458)
- Explain that you can pass options to the spec runner (#460)
- Fix spurious whitespace (#463)
- Preserve new lines after directives (#464)
- Put decorators on the same line (#459)
- docs: add related projects (#456)
- Add break points for class declaration (#466)
- Added parens around in operator in for loops 🚀. (#468)
- CLI improvements (#478)
- [RFC] Hug Conditionals in JSX (#473)
- Refactor comment algorithm and improve newline/spaces detection (#482)
- Indent ternaries (#484)
- Indent computed member (#471)
- Maintain windows line ending (#472)
- Don't break up JSXOpeningElement if it only has a single text (#488)
- Add CallExpression to the last argument expansion whitelist (#470)
- Mention eslint-plugin-prettier in Related Projects (#490)
- Stop using conditionalGroup inside of UnionTypeAnnotation (#491)

# 0.11.0

[diff](https://github.com/prettier/prettier/compare/0.0.10...0.11.0)

Now using minor versions instead of patch versions for the releases.

- Swap quotes (#355)
- Drop jsesc (#357)
- Use a Symbol instead of the private dep (#359)
- Add parens for default export FunctionExpressions (#345)
- Fix export extension output (#361)
- Exit with an error if an unknown CLI option is passed (#365)
- Warn if using deprecated CLI options (#364)
- s/jscodefmt/prettier/ (#370)
- Fix CLI options (#369)
- Fix some parens cases for UpdateExpressions (#381)
- Output strings with the minimum amount of escaped quotes (#390)
- Ignore EmptyStatement inside of switch case (#391)
- Support multiple standalones in import (#389)
- Fix missing semi-colon in for loop and var body (#388)
- Fix empty labels (#383)
- Fix forced trailing comma (#382)
- Empty switch should not have an empty line (#384)
- add formatAST() for formatting ASTs directly (#393)
- Fix class extends parenthesis (#396)
- Fix class inside of binary expression missing parenthesis (#397)
- Fix parenthesis in object as left-hand-side of template (#398)
- Remove unneeded parens for FunctionExpression inside LogicalExpression (#399)
- Remove trailing comma for array destructuring with rest (#400)
- Fix +++x (#401)
- Also do the class extend parenthesis for class expressions (#403)
- Fix various parenthesis issues on the left side of template (#404)
- Fix in inside of the first group of a for (#406)
- Add parenthesis for arrow function inside of ternary (#408)
- Add parenthesis around class expression when left side of call expression (#409)
- Ensure computed method names don't lose quotes (#419)
- Add parenthesis for yield inside of a conditional (#418)
- Add parenthesis around assignment for arrow function body (#422)
- Add parenthesis around export default assignments (#423)
- Add parenthesis for class expression on left of member expression (#421)
- Fix missing parens around object in MemberExpression (#424)
- Re-run snapshot tests
- Workaround flow bug around trailing comma (#427)
- Add parenthesis when class expressions are left of a ternary (#428)
- Revert "Workaround flow bug around trailing comma" (#429)
- Update commands.md (#430)
- Improve vim integration section (#416)
- Add glob support to the CLI (#363)
- Use babel-code-frame for syntax errors (#367)
- Update yarn.lock

# 0.0.10

[diff](https://github.com/prettier/prettier/compare/0.0.9...0.0.10)

- Add description to package.json (#320)
- Fix crash for single rest on class declaration (#315)
- Add canonical link to Prettier SublimeText package. (#318)
- Properly escape JSXText (#329)
- Hug objects and arrays inside of JSXExpressionContainer (#213)
- Add quotes around unicode keys in flow parser (#328)
- Add tests for comments (#330)
- Print dangling comments in blocks (#331)
- Remove Printer module in favor of single function (#333)
- Split pp.js into doc-{printer,builders,utils}.js (#334)
- Fix node 4 (#336)
- Remove unused functions from recast (#337)
- Kill fromString (#335)
- Extract parser.js (#338)
- Normalize exports (#339)
- Refactor index.js (#340)
- Add semicolon to more default exports (#343)
- Introduce --parser/parser option and deprecate --flow-parser/useFlowParser (#342)
- Remove parens around AwaitExpression in ternary (#346)
- Indent while test the same way as if test (#352)
- Add debugging support for doc IR (#347)

# 0.0.9

[diff](https://github.com/prettier/prettier/compare/0.0.8...0.0.9)

- Workaround flow bug parsing astral unicode characters (#277)
- Allow specifying the major mode that `defun-before-save` will use. (#276
- Fix space missing before `,` on export with bracket spacing off (#278)
- Fix space missing before `,` on import with bracket spacing off (#279)
- Add newline after shebang if necessary. (#215)
- Remove +1 from newline detection (#261)
- Fix path when printing member chains so parens work properly (fixes #243
- Ensure parens on NewExpression with function callee (#282)
- Fix missing semi when default exporting CallExpression (#287)
- Workaround flow parser bug with spread in arrays (#285)
- Update flow-parser to 0.38 (#290)
- Allow customizing args sent to prettier-command (#289)
- Do not output trailing commas with rest arguments (#283)
- Use exact versions in package.json (#291)
- Use js native String.repeat() (#293)
- Handle additional export default parens cases (#298)
- Fix parens around anonymous functions (#297)
- Introduce second argument to ifBreak (#302)
- Fix bracketSpacing typo in tests (#299)
- Remove unused variable (#304)
- Fix trailing whitespace (#300)
- add version flag (#294)
- Add --run-in-band to travis (#306)
- [JSX] Split elements on newlines and preserve whitespace (w/@yamafaktory) (#234)
- Print binary and logical expressions in a nicer format (#262)

# 0.0.8

[diff](https://github.com/prettier/prettier/compare/e447971...0192d58)

- Fix await parenthesis (#185)
- Add note about Sublime Test github issue in readme
- Remove legacy Recast code and simplify API. (#191)
- Don't break to new line if logical/loop statements are without brackets. (#194)
- Fix parenthesis for UpdateExpression (#198)
- Fix directives printing for empty functions (#199)
- Fix key quotes omission for flow parser (#203)
- Fix comma when an arrow function with no arguments breaks (#210)
- Last argument expansion works for arrow functions that return JSX (#211)
- Remove faulty location check on template literals that throws in Nuclide (#218)
- Add flow parser experimental options (#221)
- Fix empty exports (#225)
- Fix cases of missing parens with NewExpression (#230)
- Fix issue with ArrowFunctionExpression parens (#236)
- Add npm version badge (#240)
- Consolidate badges in readme
- Fix parens issue with nested UrnaryExpressions (#237)
- Escape strings using jsesc (#229)
- Add newline for empty blocks {} (#205)
- Fix empty export with from clause (#248)
- Fix missing parenthesis for typeof and arrow functions (#249)
- Fix FunctionExpression parens issues (#250)
- Fix last element of an array being null (#232)
- Make sure empty for loops generate valid code (#224)
- Fix parens for functions inside TaggedTemplateExpression (#259)
- Preserve the way numbers were written (#257)

# 0.0.7

[diff](https://github.com/prettier/prettier/compare/7e31610...6f5df0e)

- Update live editor to 0.0.6
- Adds various prettier-browser changes (#175)
- Fix `[(0)]` (#179)
- Do not advance for forward skipSpaces (#176)
- Fix windows line-endings (#177)
- add license to package.json (#178)
- Fix exponent in babylon (#181)
- Make `declare type` consistent between babylon and flow (#183)
- Fix DeclareInterface (#182)
- Change test to workaround babylon bug (#184)

# 0.0.6

[diff](https://github.com/prettier/prettier/compare/faed09c...3af7da5)

- Format property names consistently
- remove node 0.10 from travis config, add travis badge to readme
- Update snapshots
- chore: link prettier package to its github project
- add gitter badge to readme
- add instructions for Visual Studio plugin
- Do not unquote string properties
- Add prettier-browser
- v0.0.5 -- Accidentally didn't push this commit out before others landed; 0.0.5 is actually based on commit faed09c
- update yarn.lock
- remove recast (not used)
- Always use double quotes for JSX and properly escape
- remove unused recast ref
- Fix typo in README.
- Support type annotation for rest argument on babylon parser
- Use `setq` instead of `infc` and `decf`
- Add title and encoding to the REPL
- Fix old name reference in tests_config
- Minimize string escapes
- Support method generics on babylon parser
- Break long `exports` into multiple lines.
- Use group instead of conditionalGroup
- Fix misprinting of computed properties in method chains. (#157)
- treat shebang outside of parsing (#137)
- Break multiline imports (#167)
- Do not put spaces on empty for loop (#169)
- Add trailing comma support for multiline exports (#168)
- Update run_spec to support options
- Add tests for bracketSpacing option
- Add tests for quotes option
- Add tests for tabWiths option
- Add tests for trailingComma option
- Fix for Node 4
- Add test for shebang and move to index.js (#170)
- Numeric literal callees should keep parens (#141)
- Remove leftover `arrowParensAlways` option (#171)
- Wrap Stateless JSX Arrow Functions and Assignment in Parens (fixes part of #73)
- Break JSXOpeningElement between attributes (fixes #15)
- JSX maintains spaces that matter (fixes #30 and thus part of #73)
- Multiline JSX opening tag breaks children out too (for #73)
- Add regression tests for long JSX Expression contents
- include index.js in format:all script (#132)
- Wrap ForStatement in a block for const decls (#172)
- Reprint all the files!