# Changelog
## v1.5.7

### Description
* Beautifier does not break PHP and Underscore.js templates
* Fix for SCSS pseudo classes and intperpolation/mixins
* Alternative Newline Characters in CSS and HTML
* Preserve formatting or completely ignore section of javascript using comments


### Closed Issues
* Support for legacy JavaScript versions (e.g. WSH+JScript & Co) ([#720](https://github.com/beautify-web/js-beautify/pull/720))
* Is \\n hard coded into CSS Beautifier logic? ([#715](https://github.com/beautify-web/js-beautify/issues/715))
* Spaces and linebreaks after # and around { } messing up interpolation/mixins (SASS/SCSS) ([#689](https://github.com/beautify-web/js-beautify/issues/689))
* Calls to functions get completely messed up in Sass (*.scss) ([#675](https://github.com/beautify-web/js-beautify/issues/675))
* No new line after selector in scss files ([#666](https://github.com/beautify-web/js-beautify/issues/666))
* using html-beautify on handlebars template deletes unclosed tag if on second line ([#623](https://github.com/beautify-web/js-beautify/issues/623))
* more Extra space after scss pseudo classes ([#557](https://github.com/beautify-web/js-beautify/issues/557))
* Unnecessary spaces in PHP code ([#490](https://github.com/beautify-web/js-beautify/issues/490))
* Some underscore.js template tags are broken ([#417](https://github.com/beautify-web/js-beautify/issues/417))
* Selective ignore using comments (feature request) ([#384](https://github.com/beautify-web/js-beautify/issues/384))


## v1.5.6

### Description
* JSX support!
* Alternative Newline Characters
* CSS and JS comment formatting fixes 
* General bug fixing


### Closed Issues
* Fix tokenizer's bracket pairs' open stack ([#693](https://github.com/beautify-web/js-beautify/pull/693))
* Indentation is incorrect for HTML5 void tag <source> ([#692](https://github.com/beautify-web/js-beautify/issues/692))
* Line wrapping breaks at the wrong place when the line is indented. ([#691](https://github.com/beautify-web/js-beautify/issues/691))
* Publish v1.5.6 ([#687](https://github.com/beautify-web/js-beautify/issues/687))
* Replace existing file fails using python beautifier ([#686](https://github.com/beautify-web/js-beautify/issues/686))
* Pseudo-classes formatted incorrectly and inconsistently with @page ([#661](https://github.com/beautify-web/js-beautify/issues/661))
* doc: add end_with_newline option ([#650](https://github.com/beautify-web/js-beautify/pull/650))
* Improve support for xml parts of jsx (React) => spaces, spread attributes and nested objects break the process ([#646](https://github.com/beautify-web/js-beautify/issues/646))
* html-beautify formats handlebars comments but does not format html comments ([#635](https://github.com/beautify-web/js-beautify/issues/635))
* Support for ES7 async ([#630](https://github.com/beautify-web/js-beautify/issues/630))
* css beautify adding an extra newline after a comment line in a css block ([#609](https://github.com/beautify-web/js-beautify/issues/609))
* No option to "Indent with tabs" for HTML files ([#587](https://github.com/beautify-web/js-beautify/issues/587))
* Function body is indented when followed by a comment ([#583](https://github.com/beautify-web/js-beautify/issues/583))
* JSX support ([#425](https://github.com/beautify-web/js-beautify/issues/425))
* Alternative Newline Characters ([#260](https://github.com/beautify-web/js-beautify/issues/260))


## v1.5.5

### Description
* Initial implementation of comma-first formatting - Diff-friendly literals!
* CSS: Add newline between rules
* LESS: improved function parameter formatting
* HTML: options for wrapping attributes
* General bug fixing

### Closed Issues
* Add GUI support for `--indent-inner-html`. ([#633](https://github.com/beautify-web/js-beautify/pull/633))
* Publish v1.5.5 ([#629](https://github.com/beautify-web/js-beautify/issues/629))
* CSS: Updating the documentation for the 'newline_between_rules' ([#615](https://github.com/beautify-web/js-beautify/pull/615))
* Equal Sign Removed from Filter Properties Alpha Opacity Assignment ([#599](https://github.com/beautify-web/js-beautify/issues/599))
* Keep trailing spaces on comments ([#598](https://github.com/beautify-web/js-beautify/issues/598))
* only print the file names of changed files ([#597](https://github.com/beautify-web/js-beautify/issues/597))
*  CSS: support add newline between rules ([#574](https://github.com/beautify-web/js-beautify/pull/574))
* elem[array]++ changes to elem[array] ++ inserting unnecessary gap ([#570](https://github.com/beautify-web/js-beautify/issues/570))
* add support to less functions paramters braces ([#568](https://github.com/beautify-web/js-beautify/pull/568))
* selector_separator_newline: true for Sass doesn't work ([#563](https://github.com/beautify-web/js-beautify/issues/563))
* yield statements are being beautified to their own newlines since 1.5.2 ([#560](https://github.com/beautify-web/js-beautify/issues/560))
* HTML beautifier inserts extra newline into `<li>`s ending with `<code>` ([#524](https://github.com/beautify-web/js-beautify/issues/524))
* Add wrap_attributes option ([#476](https://github.com/beautify-web/js-beautify/issues/476))
* Add or preserve empty line between CSS rules ([#467](https://github.com/beautify-web/js-beautify/issues/467))
* Support comma first style of variable declaration ([#245](https://github.com/beautify-web/js-beautify/issues/245))


## v1.5.4

### Description
* Fix for LESS/CSS pseudo/classes
* Fix for HTML img tag spaces

https://github.com/beautify-web/js-beautify/compare/v1.5.3...v1.5.4

### Closed Issues
* TypeScript oddly formatted with 1.5.3 ([#552](https://github.com/beautify-web/js-beautify/issues/552))
* HTML beautifier inserts double spaces between adjacent tags ([#525](https://github.com/beautify-web/js-beautify/issues/525))
* Keep space in font rule ([#491](https://github.com/beautify-web/js-beautify/issues/491))
* [Brackets plug in] Space after </a> disappears ([#454](https://github.com/beautify-web/js-beautify/issues/454))
* Support nested pseudo-classes and parent reference (LESS) ([#427](https://github.com/beautify-web/js-beautify/pull/427))
* Alternate approach: preserve single spacing and treat img as inline element ([#415](https://github.com/beautify-web/js-beautify/pull/415))


## v1.5.3

### Description
* High priority bug fixes
* Major fixes to css-beautifier to not blow up LESS/SCSS
* Lower priority bug fixes that were very ugly

https://github.com/beautify-web/js-beautify/compare/v1.5.2...v1.5.3

### Closed Issues
* [TypeError: Cannot read property 'type' of undefined] ([#548](https://github.com/beautify-web/js-beautify/issues/548))
* Bug with RegExp ([#547](https://github.com/beautify-web/js-beautify/issues/547))
* Odd behaviour on less ([#520](https://github.com/beautify-web/js-beautify/issues/520))
* css beauitify ([#506](https://github.com/beautify-web/js-beautify/issues/506))
* Extra space after scss pseudo classes. ([#500](https://github.com/beautify-web/js-beautify/issues/500))
* Generates invalid scss when formatting ampersand selectors ([#498](https://github.com/beautify-web/js-beautify/issues/498))
* bad formatting of .less files using @variable or &:hover syntax ([#489](https://github.com/beautify-web/js-beautify/issues/489))
* Incorrect beautifying of CSS comment including an url. ([#466](https://github.com/beautify-web/js-beautify/issues/466))
* Handle SASS parent reference &: ([#414](https://github.com/beautify-web/js-beautify/issues/414))
* Js-beautify breaking selectors in less code.  ([#410](https://github.com/beautify-web/js-beautify/issues/410))
* Problem with "content" ([#364](https://github.com/beautify-web/js-beautify/issues/364))
* Space gets inserted between function and paren for function in Define  ([#313](https://github.com/beautify-web/js-beautify/issues/313))
* beautify-html returns null on broken html ([#301](https://github.com/beautify-web/js-beautify/issues/301))
* Indentation of functions inside conditionals not passing jslint ([#298](https://github.com/beautify-web/js-beautify/issues/298))


## v1.5.2

### Description
* Improved indenting for statements, array, variable declaration, "Starless" block-comments
* Support for bitwise-not, yield, get, set, let, const, generator functions
* Reserved words can be used as object property names
* Added options: space_after_anon_function, end-with-newline
* Properly tokenize Numbers (including decimals and exponents)
* Do not break "x++ + y"
* function declaration inside array behaves the same as in expression
* Close String literals at newline
* Support handlebar syntax 
* Check `<script>` "type"-attribute
* Allow `<style>` and `<script>` tags to be unformatted
* Port css nesting fix to python
* Fix python six dependency
* Initial very cursory support for ES6 module, export, and import 

https://github.com/beautify-web/js-beautify/compare/v1.5.1...v1.5.2

### Closed Issues
* Allow custom elements to be unformatted ([#540](https://github.com/beautify-web/js-beautify/pull/540))
* Need option to ignore brace style ([#538](https://github.com/beautify-web/js-beautify/issues/538))
* Refactor to Output and OutputLine classes ([#536](https://github.com/beautify-web/js-beautify/pull/536))
* Recognize ObjectLiteral on open brace ([#535](https://github.com/beautify-web/js-beautify/pull/535))
* Refactor to fully tokenize before formatting ([#530](https://github.com/beautify-web/js-beautify/pull/530))
* Cleanup checked in six.py file ([#527](https://github.com/beautify-web/js-beautify/pull/527))
* Changelog.md? ([#526](https://github.com/beautify-web/js-beautify/issues/526))
* New line added between each css declaration ([#523](https://github.com/beautify-web/js-beautify/issues/523))
* Kendo Template scripts get messed up! ([#516](https://github.com/beautify-web/js-beautify/issues/516))
* SyntaxError: Unexpected token ++ ([#514](https://github.com/beautify-web/js-beautify/issues/514))
* space appears before open square bracket when the object name is "set" ([#508](https://github.com/beautify-web/js-beautify/issues/508))
* Unclosed string problem ([#505](https://github.com/beautify-web/js-beautify/issues/505))
* "--n" and "++n" are not indented like "n--" and "n++" are... ([#495](https://github.com/beautify-web/js-beautify/issues/495))
* Allow `<style>` and `<script>` tags to be unformatted ([#494](https://github.com/beautify-web/js-beautify/pull/494))
* Preserve new line at end of file ([#492](https://github.com/beautify-web/js-beautify/issues/492))
* Line wraps breaking numbers (causes syntax error) ([#488](https://github.com/beautify-web/js-beautify/issues/488))
* jsBeautify acts differently when handling different kinds of function expressions[BUG][javascript] ([#485](https://github.com/beautify-web/js-beautify/issues/485))
* AttributeError: 'NoneType' object has no attribute 'groups' ([#479](https://github.com/beautify-web/js-beautify/issues/479))
* installation doco for python need update -- pip install six? ([#478](https://github.com/beautify-web/js-beautify/issues/478))
* Move einars/js-beautify to beautify-web/js-beautify ([#475](https://github.com/beautify-web/js-beautify/issues/475))
* Bring back space_after_anon_function ([#474](https://github.com/beautify-web/js-beautify/pull/474))
* fix for #453, Incompatible handlebar syntax ([#468](https://github.com/beautify-web/js-beautify/pull/468))
* Python: missing explicit dependency on "six" package ([#465](https://github.com/beautify-web/js-beautify/issues/465))
* function declaration inside array, adds extra line.  ([#464](https://github.com/beautify-web/js-beautify/issues/464))
* [es6] yield a array ([#458](https://github.com/beautify-web/js-beautify/issues/458))
* Publish v1.5.2 ([#452](https://github.com/beautify-web/js-beautify/issues/452))
* Port css colon character fix to python  ([#446](https://github.com/beautify-web/js-beautify/issues/446))
* Cannot declare object literal properties with unquoted reserved words ([#440](https://github.com/beautify-web/js-beautify/issues/440))
* Do not put a space within `function*` generator functions. ([#428](https://github.com/beautify-web/js-beautify/issues/428))
* beautification of "nth-child" css fails csslint ([#418](https://github.com/beautify-web/js-beautify/issues/418))


## v1.5.10

### Description
Hotfix for directives
Version jump due to release script tweaks


### Closed Issues
* Preserve directive doesn't work as intended ([#723](https://github.com/beautify-web/js-beautify/issues/723))


## v1.5.1

### Description
Highlights:
* Fixes var declaration of objects and arrays to indent correctly (#256, #430)
* Support keywords as IdentifierNames such as foo.catch() (#309, #351,#368, #378)
* Improved indenting for statements (#289)
* Improved ES6 support - let, const, template strings, and "fat arrow"
* Support for non-ASCII characters in variable names (#305)
* Multiple fixes to requirejs support and added tests to protect in future
* Improved LESS support (still plenty of room for improvement in this area)
* Do not add space after !!

https://github.com/einars/js-beautify/compare/v1.4.2...v1.5.1

### Closed Issues
* Nested if statements not displayed correctly ([#450](https://github.com/beautify-web/js-beautify/issues/450))
* preserve_newlines always true ([#449](https://github.com/beautify-web/js-beautify/issues/449))
* line wrapping breaks in weird places ([#438](https://github.com/beautify-web/js-beautify/issues/438))
* Update dependencies to current versions ([#437](https://github.com/beautify-web/js-beautify/pull/437))
* Add support for ES6 template strings ([#434](https://github.com/beautify-web/js-beautify/pull/434))
* Fix #402: support ES6 fat arrow ([#433](https://github.com/beautify-web/js-beautify/pull/433))
* Ending brace missaligned when part of first definition in var line ([#430](https://github.com/beautify-web/js-beautify/issues/430))
* fixing disabled line wrapping for HTML ([#429](https://github.com/beautify-web/js-beautify/pull/429))
* Missing semi colon ([#420](https://github.com/beautify-web/js-beautify/issues/420))
* Fixed require.js support ([#416](https://github.com/beautify-web/js-beautify/pull/416))
* should not split the es6 operator '=>' ([#402](https://github.com/beautify-web/js-beautify/issues/402))
* fixed relative paths for require.js ([#387](https://github.com/beautify-web/js-beautify/pull/387))
* Support reserved words as property names ([#378](https://github.com/beautify-web/js-beautify/issues/378))
* Make the AMD API match the rest of the APIs ([#376](https://github.com/beautify-web/js-beautify/pull/376))
* Preserve newlines in html related to issue #307 ([#375](https://github.com/beautify-web/js-beautify/pull/375))
* Multi-line statements ([#374](https://github.com/beautify-web/js-beautify/issues/374))
* Reserved words used as property/function/variable identifiers are formatted incorrectly ([#368](https://github.com/beautify-web/js-beautify/issues/368))
* fixed problems with colon character ([#363](https://github.com/beautify-web/js-beautify/pull/363))
* require.JS paths are hardcoded in beautify-html.js  ([#359](https://github.com/beautify-web/js-beautify/issues/359))
* Regression in p.a.c.ked file detection ([#357](https://github.com/beautify-web/js-beautify/issues/357))
* Fix Issue #339 ([#354](https://github.com/beautify-web/js-beautify/pull/354))
* Added single line comment support in less/sass for javascript parser ([#353](https://github.com/beautify-web/js-beautify/pull/353))
* Function named 'in' not formatting correctly ([#351](https://github.com/beautify-web/js-beautify/issues/351))
* CSS Pseudo element ([#346](https://github.com/beautify-web/js-beautify/issues/346))
* array closing brace error for return statements with keep_array_indentation ([#340](https://github.com/beautify-web/js-beautify/issues/340))
* CSS Beautifier: breaks :before and :after (regression) ([#339](https://github.com/beautify-web/js-beautify/issues/339))
* Publish v1.5.0  ([#335](https://github.com/beautify-web/js-beautify/issues/335))
* "keep array indentation" not working ([#333](https://github.com/beautify-web/js-beautify/issues/333))
* CSS Beautifier: support LESS/SASS line comments ([#326](https://github.com/beautify-web/js-beautify/issues/326))
* Incorrect formating with semicolon-less code ([#323](https://github.com/beautify-web/js-beautify/issues/323))


## v1.4.2

### Description
Release quick fix for python errno error that has started being more heavily reported
Initial release of css beautifier ported to python
Additional minor fixes and enhancements



### Closed Issues
* global name 'errno' is not defined ([#352](https://github.com/beautify-web/js-beautify/issues/352))
* import errno for errno.EEXIST ([#349](https://github.com/beautify-web/js-beautify/pull/349))
* Added bower.json ([#343](https://github.com/beautify-web/js-beautify/pull/343))
* HTML wrap-line-length: 0 doesn't work ([#342](https://github.com/beautify-web/js-beautify/issues/342))
* Make beautify.js, beautify-html.js, beautify-css.js available in bower ([#341](https://github.com/beautify-web/js-beautify/issues/341))
* Making .jsbeautifyrc resolve work (in general and for Windows re home dir) ([#334](https://github.com/beautify-web/js-beautify/pull/334))
* windows 8 error: path.js:204         throw new TypeError('Arguments to path.join must be strings'); ([#300](https://github.com/beautify-web/js-beautify/issues/300))
* Port beautify-css to python ([#204](https://github.com/beautify-web/js-beautify/issues/204))


## v1.4.1

### Description
Incremental fixes and improvements 


### Closed Issues
* Tests borked when running from web ([#332](https://github.com/beautify-web/js-beautify/issues/332))
* wrap_line_length isn't enforced for property values ([#331](https://github.com/beautify-web/js-beautify/issues/331))
* Have no empty line between comment and function ([#329](https://github.com/beautify-web/js-beautify/issues/329))
* Add new line at the end of the file (html-beautify) ([#325](https://github.com/beautify-web/js-beautify/issues/325))
* Space in empty parentheses ([#322](https://github.com/beautify-web/js-beautify/pull/322))
* Handlebars ([#321](https://github.com/beautify-web/js-beautify/pull/321))
* Space in empty parentheses ([#320](https://github.com/beautify-web/js-beautify/issues/320))
* The indent_with_tabs option did not work when required in node, only CLI. ([#319](https://github.com/beautify-web/js-beautify/pull/319))
* add option to indent "inner HTML"... ([#312](https://github.com/beautify-web/js-beautify/pull/312))
* Wrong format of HTML textnode containing multipe words ([#306](https://github.com/beautify-web/js-beautify/issues/306))
* Repair to work in windows ([#304](https://github.com/beautify-web/js-beautify/pull/304))
* make export object the same with common and amd methods ([#303](https://github.com/beautify-web/js-beautify/pull/303))
* jshint cleanup and make require.js optimizable ([#302](https://github.com/beautify-web/js-beautify/pull/302))
* E4X xml-literal allowed xml-characters ([#294](https://github.com/beautify-web/js-beautify/pull/294))
* Publish 1.4.1 ([#292](https://github.com/beautify-web/js-beautify/issues/292))
* Blank line inserted between function and preceding comment ([#291](https://github.com/beautify-web/js-beautify/issues/291))
* Add tests for beautify-html.js ([#211](https://github.com/beautify-web/js-beautify/issues/211))


## v1.4.0

### Description
Given the breadth of the changes in the code and api, bump to 1.4.0 for the next release.

https://github.com/einars/js-beautify/compare/v1.3.4...v1.4.0

### Closed Issues
* Fix major performance degradation from minimal indenting ([#288](https://github.com/beautify-web/js-beautify/issues/288))
* Minimal indenting ([#286](https://github.com/beautify-web/js-beautify/pull/286))
* Empty lines are removed in HTML and CSS, and also adds trailing spaces ([#285](https://github.com/beautify-web/js-beautify/issues/285))
* npmjs cli options incomplete ([#283](https://github.com/beautify-web/js-beautify/issues/283))
* Publish 1.4.0 ([#282](https://github.com/beautify-web/js-beautify/issues/282))
* Blocks, arrays, and expressions over indented ([#281](https://github.com/beautify-web/js-beautify/issues/281))
* Keeping New lines inside markup ([#280](https://github.com/beautify-web/js-beautify/issues/280))
* E4X xml-literal small fixes ([#279](https://github.com/beautify-web/js-beautify/pull/279))
* Add support for Asynchronous Module Definition (AMD) API ([#274](https://github.com/beautify-web/js-beautify/pull/274))
* fixed broken run tests script ([#255](https://github.com/beautify-web/js-beautify/pull/255))
* Ending parenthesis in function call ([#239](https://github.com/beautify-web/js-beautify/issues/239))
* Preventing line breaks around Unformatted tags ([#105](https://github.com/beautify-web/js-beautify/issues/105))
* IE conditional HTML comments don't play well with the rest of the document ([#91](https://github.com/beautify-web/js-beautify/issues/91))


## v1.3.4

### Description
1.3.3 introduced an change to function formatting.  This fixes primarily that but also a few other tweaks.

### Closed Issues
* Broken indentation ([#277](https://github.com/beautify-web/js-beautify/issues/277))
* Nested inline statements (if, while, do, for) should start new line ([#276](https://github.com/beautify-web/js-beautify/issues/276))
* Bare expression followed immediately by function definition should not indent ([#275](https://github.com/beautify-web/js-beautify/issues/275))
* bug fix for "js-beautify does not create directory automatically when use '-o' parameter" ([#272](https://github.com/beautify-web/js-beautify/pull/272))
* js-beautify does not create directory automatically when use '-o' parameter ([#270](https://github.com/beautify-web/js-beautify/issues/270))
* Problem with indentation inside function ([#268](https://github.com/beautify-web/js-beautify/issues/268))
* added a deindent() function . ([#267](https://github.com/beautify-web/js-beautify/pull/267))


## v1.3.3

### Description
Another good set of fixes. 

### Closed Issues
* Nested arrays indentation with --good-stuff ([#273](https://github.com/beautify-web/js-beautify/issues/273))
* Keep Array Indentation doesn't always work ([#263](https://github.com/beautify-web/js-beautify/issues/263))
* Whitespace issue with function call with object literal + other arguments. ([#262](https://github.com/beautify-web/js-beautify/issues/262))
* Implement wider fix to Indenting within parenthesis frames ([#259](https://github.com/beautify-web/js-beautify/issues/259))
* Block formatting within function call parameters. ([#258](https://github.com/beautify-web/js-beautify/issues/258))
* make python accept -w or --wrap-line-lengthmake python accept -w or --wrap-line-length ([#252](https://github.com/beautify-web/js-beautify/pull/252))
* Beautifying function call chains that end with a callback results in incorrect formatting ([#241](https://github.com/beautify-web/js-beautify/pull/241))
* Keeping New lines  ([#96](https://github.com/beautify-web/js-beautify/issues/96))


## v1.3.2

### Description
Seems like there are enough features on `master` to justify a patch revision. To wit:

* Removal of `expand-strict` value for `--brace-style` option.
* Added `--space-in-paren` option.
* E4X
* Functions as sub-array literals (#246)
* Minor updates to `p_a_c_k_e_r` unpacking.

https://github.com/einars/js-beautify/compare/v1.3.1...master

### Closed Issues
* Why removed support for global object? ([#249](https://github.com/beautify-web/js-beautify/issues/249))
* Incorrect indentation of functions in array ([#246](https://github.com/beautify-web/js-beautify/issues/246))
* E4X for Python ([#243](https://github.com/beautify-web/js-beautify/issues/243))
* Single line comments on "case:" lines forced to next line ([#242](https://github.com/beautify-web/js-beautify/issues/242))
* Remove expand-strict ([#240](https://github.com/beautify-web/js-beautify/pull/240))
* empty braces should always collapse to {} on the same line ([#237](https://github.com/beautify-web/js-beautify/issues/237))
* braces "expand-strict", return { } should be on same line ([#236](https://github.com/beautify-web/js-beautify/issues/236))
* Option for different formatting of spaces in parens ([#235](https://github.com/beautify-web/js-beautify/pull/235))
* E4X ([#234](https://github.com/beautify-web/js-beautify/pull/234))
* -h option in cli.js ([#233](https://github.com/beautify-web/js-beautify/pull/233))
* Globally installed npm js-beautify will never catch .jsbeautifyrc in /home ([#228](https://github.com/beautify-web/js-beautify/issues/228))
* html conditional tag treated as open tag "<!--[if IE 8]>" ([#222](https://github.com/beautify-web/js-beautify/issues/222))
* Document package release process ([#214](https://github.com/beautify-web/js-beautify/issues/214))
* Add basic tests for beautify command line ([#209](https://github.com/beautify-web/js-beautify/issues/209))
* Index.html - "Preserve empty lines" does not describe the behavior ([#199](https://github.com/beautify-web/js-beautify/issues/199))
* Bug: <![CDATA[ ([#152](https://github.com/beautify-web/js-beautify/issues/152))
* New options proposal: spaces around arguments ([#126](https://github.com/beautify-web/js-beautify/issues/126))
* Add option to put single-statement blocks into a new line ([#116](https://github.com/beautify-web/js-beautify/issues/116))
* [Feature request] --disable-preserve-newlines to one line ([#74](https://github.com/beautify-web/js-beautify/issues/74))