378 lines
16 KiB
Markdown
378 lines
16 KiB
Markdown
## 3.5.1 (June 7, 2018)
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- Bumped [CSSTree](https://github.com/csstree/csstree) to `1.0.0-alpha.29` (fixes some issues)
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## 3.5.0 (January 14, 2018)
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- Migrated to [CSSTree](https://github.com/csstree/csstree) `1.0.0-alpha.27`
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## 3.4.0 (November 3, 2017)
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- Added percent sign removal for zero percentages for some properties that is safe (@RubaXa, #286)
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- Removed unit removal for zero values in `-ms-flex` due it breaks flex in IE10/11 (#362)
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- Improved performance of selectors comparison (@smelukov, #343)
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## 3.3.1 (October 17, 2017)
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- Fixed merge of `position` declarations when `sticky` fallback is using (@gruzzilkin, #356)
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## 3.3.0 (October 12, 2017)
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- Migrated to [CSSTree](https://github.com/csstree/csstree) `1.0.0-alpha25`
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- Changed AST format (see [CSSTree change log](https://github.com/csstree/csstree/blob/master/HISTORY.md) for details)
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- Fixed performance issue when generate CSS with source map (quadratic increase in time depending on the size of the CSS)
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## 3.2.0 (September 10, 2017)
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- Fixed named color compression to apply only when an identifier is guaranteed to be a color
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- Added lifting of `@keyframes` to the beginning of style sheet (chunk), but after `@charset` and `@import` rules
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- Added removal of `@keyframes`, `@media` and `@supports` with no prelude
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- Added removal of duplicate `@keyframes` (#202)
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- Added new option `forceMediaMerge` to force media rules merging. It's unsafe in general, but works fine in many cases. Use it on your own risk (#350)
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- Bumped `CSSTree` to `1.0.0-alpha23`
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## 3.1.1 (April 25, 2017)
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- Fixed crash on a number processing when it used not in a list (#335)
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## 3.1.0 (April 24, 2017)
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- Implemented optimisation for `none` keyword in `border` and `outline` properties (@zoobestik, #41)
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- Implemented replacing `rgba(x, x, x, 0)` to `transparent`
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- Fixed plus sign omitting for numbers following identifier, hex color, number or unicode range, since it can change the meaning of CSS (e.g. `calc(1px+2px)` has been optimized to `calc(1px2px)` before, now it stays the same)
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- Improved usage filtering for nested selectors (i.e. for `:nth-*()`, `:has()`, `:matches` and other pseudos)
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- Implemented `blacklist` filtering in usage (#334, see [Black list filtering](https://github.com/css/csso#black-list-filtering))
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- Improved white space removing, now white spaces are removing in the beginning and at the ending of sequences, and between stylesheet and block nodes
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- Bumped `CSSTree` to `1.0.0-alpha19`
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## 3.0.1 (March 14, 2017)
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- Fixed declaration merging when declaration contains an `!important`
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## 3.0.0 (March 13, 2017)
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- Migrated to [CSSTree](https://github.com/csstree/csstree) as AST backend and exposed its API behind `syntax` property
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- Extracted CLI into standalone package [css/csso-cli](https://github.com/css/csso-cli)
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## 2.3.1 (January 6, 2017)
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- Added `\0` IE hack support (#320)
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## 2.3.0 (October 25, 2016)
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- Added `beforeCompress` and `afterCompress` options support (#316)
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- Fixed crash on empty argument in function (#317)
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## 2.2.1 (July 25, 2016)
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- Fixed shorthand optimisation issue when value has a color value or something unknown (#311)
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- Fixed `cursor` broken fallback (#306)
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## 2.2.0 (June 23, 2016)
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- Implement AST cloning by adding `clone()` [function](https://github.com/css/csso#cloneast) and `clone` [option](https://github.com/css/csso#compressast-options) for `compress()` function (#296)
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- Fix parse and translate attribute selector with flags but w/o operator (i.e. `[attrName i]`)
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- Don't merge rules with flagged attribute selectors with others (#291)
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- Take in account functions when merge TRBL-properties (#297, thanks to @ArturAralin)
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- Improve partial merge (#304)
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- Tweak scanner, reduce code deoptimizations and other small improvements
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## 2.1.1 (May 11, 2016)
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- Fix wrong declaration with `\9` hack merge (#295)
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## 2.1.0 (May 8, 2016)
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- New option `comments` to specify what comments to left: `exclamation`, `first-exclamation` and `none`
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- Add `offset` to CSS parse error details
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- Fix token `offset` computation
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## 2.0.0 (April 5, 2016)
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- No more `gonzales` AST format and related code
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- `minify()` and `minifyBlock()` is always return an object as result now (i.e. `{ css: String, map: SourceMapGenerator or null }`)
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- `parse()`
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- Returns AST in new format (so called `internal`)
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- Dynamic scanner implemented
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- New AST format + dynamic scanner = performance boost and less memory consumption
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- No more `context` argument, context should be specified via `options`
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- Supported contexts now: `stylesheet`, `atrule`, `atruleExpression`, `ruleset`, `selector`, `simpleSelector`, `block`, `declaration` and `value`
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- Drop `needPositions` option, `positions` option should be used instead
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- Drop `needInfo` option, `info` object is attaching to nodes when some information is requested by `options`
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- `options` should be an object, otherwise it treats as empty object
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- `compress()`
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- No more AST converting (performance boost and less memory consumption)
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- Drop `outputAst` option
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- Returns an object as result instead of AST (i.e. `{ ast: Object }`)
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- Drop methods: `justDoIt()`, `stringify()`, `cleanInfo()`
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## 1.8.1 (March 30, 2016)
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- Don't remove spaces after function/braces/urls since unsafe (#289)
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## 1.8.0 (March 24, 2016)
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- Usage data support:
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- Filter rulesets by tag names, class names and ids white lists.
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- More aggressive ruleset moving using class name scopes information.
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- New CLI option `--usage` to pass usage data file.
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- Improve initial ruleset merge
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- Change order of ruleset processing, now it's left to right. Previously unmerged rulesets may prevent lookup and other rulesets merge.
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- Difference in pseudo signature just prevents ruleset merging, but don't stop lookup.
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- Simplify block comparison (performance).
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- New method `csso.minifyBlock()` for css block compression (e.g. `style` attribute content).
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- Ruleset merge improvement: at-rules with block (like `@media` or `@supports`) now can be skipped during ruleset merge lookup if doesn't contain something prevents it.
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- FIX: Add negation (`:not()`) to pseudo signature to avoid unsafe merge (old browsers doesn't support it).
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- FIX: Check nested parts of value when compute compatibility. It fixes unsafe property merging.
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## 1.7.1 (March 16, 2016)
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- pass block mode to tokenizer for correct parsing of declarations properties with `//` hack
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- fix wrongly `@import` and `@charset` removal on double exclamation comment
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## 1.7.0 (March 10, 2016)
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- support for [CSS Custom Properties](https://www.w3.org/TR/css-variables/) (#279)
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- rework RTBL properties merge – better merge for values with special units and don't merge values with CSS-wide keywords (#255)
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- remove redundant universal selectors (#178)
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- take in account `!important` when check for property overriding (#280)
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- don't merge `text-align` declarations with some values (#281)
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- add spaces around `/deep/` combinator on translate, since it together with universal selector can produce a comment
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- better keyword and property name resolving (tolerant to hacks and so on)
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- integration improvements
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- compression log function could be customized by `logger` option for `compress()` and `minify()`
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- make possible to set initial line and column for parser
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## 1.6.4 (March 1, 2016)
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- `npm` publish issue (#276)
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## 1.6.3 (February 29, 2016)
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- add `file` to generated source map since other tools can relay on it in source map transform chain
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## 1.6.2 (February 29, 2016)
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- tweak some parse error messages and their positions
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- fix `:not()` parsing and selector groups in `:not()` is supported now (#215)
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- `needPosition` parser option is deprecated, `positions` option should be used instead (`needPosition` is used still if `positions` option omitted)
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- expose internal AST API as `csso.internal.*`
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- `minify()` adds `sourcesContent` by default when source map is generated
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- bring back support for node.js `0.10` until major release (#275)
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## 1.6.1 (February 28, 2016)
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- fix exception on zero length dimension compress outside declaration (#273)
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## 1.6.0 (February 27, 2016)
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- **source maps support**
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- parser remake:
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- various parsing issues fixed
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- fix unicode sequence processing in ident (#191)
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- support for flags in attribute selector (#270)
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- position (line and column) of parse error (#109)
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- 4x performance boost, less memory consumption
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- compressor refactoring
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- internal AST is using doubly linked lists (with safe transformation support during iteration) instead of arrays
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- rename `restructuring` to `restructure` option for `minify()`/`compress()` (`restructuring` is alias for `restructure` now, with lower priority)
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- unquote urls when possible (#141, #60)
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- setup code coverage and a number of related fixes
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- add eslint to check unused things
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## 1.5.4 (January 27, 2016)
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- one more fix (in `restructRuleset` this time) with merge of rulesets when a ruleset with same specificity places between them (#264)
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- disable partial merge of rulesets in `@keyframes` rulesets (until sure it's correct)
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## 1.5.3 (January 25, 2016)
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- don't override display values with different browser support (#259)
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- fix publish issue (one of modules leak in development state)
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## 1.5.2 (January 24, 2016)
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- don't merge rulesets if between them a ruleset with same specificity (#264)
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## 1.5.1 (January 14, 2016)
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- ensure `-` is not used as an identifier in attribute selectors (thanks to @mathiasbynens)
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- fix broken `justDoIt()` function
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- various small fixes
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## 1.5.0 (January 14, 2016)
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### Parser
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- attach minus to number
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### Compressor
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- split code base into small modules and related refactoring
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- introduce internal AST format for compressor (`gonzales`→`internal` and `internal`→`gonzales` convertors, walkers, translator)
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- various optimizations: no snapshots, using caches and indexes
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- sort selectors, merge selectors in alphabet order
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- compute selector's specificity
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- better ruleset restructuring, improve compression of partially equal blocks
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- better ruleset merge – not only closest but also disjoined by other rulesets when safe
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- join `@media` with same query
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- `outputAst` – new option to specify output AST format (`gonzales` by default for backward compatibility)
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- remove quotes surrounding attribute values in attribute selectors when possible (#73)
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- replace `from`→`0%` and `100%`→`to` at `@keyframes` (#205)
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- prevent partial merge of rulesets at `@keyframes` (#80, #197)
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### API
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- walker for `gonzales` AST was implemented
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### CLI
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- new option `--stat` (output stat in `stderr`)
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- new optional parameter `level` for `--debug` option
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## 1.4.4 (December 10, 2015)
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- prevent removal of spaces after braces that before identifier that breaking at-rules expressions (#258)
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## 1.4.3 (December 4, 2015)
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- fix unicode-range parsing that cause to wrong function detection (#250)
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## 1.4.2 (November 9, 2015)
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- allow spaces between `progid:` and rest part of value for IE's `filter` property as `autoprefixer` generates this kind of code (#249)
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- fixes for Windows:
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- correct processing new lines
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- normalize file content in test suite
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- fixes to work in strict mode (#252)
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- init compressor dictionaries for every css block (#248, #251)
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- bump uglify-js version
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## 1.4.1 (October 20, 2015)
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- allow merge for `display` property (#167, #244)
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- more accurate `rect` (`clip` property value) merge
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- fix typo when specifying options in cli (thanks to @Taritsyn)
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- fix safe unit values merge with keyword values (#244)
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- fix wrong descendant combinator removal (#246)
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- build browser version on `prepublish` (thanks to @silentroach)
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- parser: store whitespaces as single token (performance and reduce memory consumption)
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- rearrange compress tests layout
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## 1.4 (October 16, 2015)
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Bringing project back to life. Changed files structure, cleaned up and refactored most of sources.
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### Common
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- single code base (no more `src` folder)
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- build browser version with `browserify` (no more `make`, and `web` folder), browser version is available at `dist/csso-browser.js`
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- main file is `lib/index.js` now
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- minimal `node.js` version is `0.12` now
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- restrict file list to publish on npm (no more useless folders and files in package)
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- add `jscs` to control code style
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- automate `gh-pages` update
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- util functions reworked
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- translator reworked
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- test suite reworked
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- compressor refactored
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- initial parser refactoring
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### API
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- new method `minify(src, options)`, options:
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- `restructuring` – if set to `false`, disable structure optimisations (`true` by default)
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- `debug` - outputs intermediate state of CSS during compression (`false` by default)
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- deprecate `justDoIt()` method (use `minify` instead)
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- rename `treeToString()` method to `stringify()`
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- drop `printTree()` method
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- AST node info
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- `column` and `offset` added
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- `ln` renamed to `line`
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- fix line counting across multiple files and input with CR LF (#147)
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### CLI
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- completely reworked, use [clap](https://github.com/lahmatiy/clap) to parse argv
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- add support for input from stdin (#128)
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- drop undocumented and obsoleted options `--rule` and `--parser` (suppose nobody use it)
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- drop `-off` alias for `--restructure-off` as incorrect (only one letter options should starts with single `-`)
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- new option `--debug` that reflecting to `options.debug` for `minify`
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### Parsing and optimizations
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- keep all exclamation comments (#194)
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- add `/deep/` combinator support (#209)
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- attribute selector
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- allow colon in attribute name (#237)
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- support for namespaces (#233)
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- color
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- support all css/html colors
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- convert `hsla` to `rgba` and `hls` to `rgb`
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- convert `rgba` with 1 as alpha value to `rgb` (#122)
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- interpolate `rgb` and `rgba` percentage values to absolute values
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- replace percentage values in `rgba` for normalized/interpolated values
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- lowercase hex colors and color names (#169)
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- fix color minification when hex value replaced for color name (#176)
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- fit rgb values to 0..255 range (#181)
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- calc
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- remove spaces for multiple operator in calc
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- don't remove units inside calc (#222)
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- fix wrong white space removal around `+` and `-` (#228)
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- don't remove units in `flex` property as it could change value meaning (#200)
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- don't merge `\9` hack values (#231)
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- merge property values only if they have the same functions (#150, #227)
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- don't merge property values with some sort of units (#140, #161)
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- fix `!important` issue for `top-right-bottom-left` properties (#189)
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- fix `top-right-bottom-left` properties merge (#139, #175)
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- support for unicode-range (#148)
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- don't crash on ruleset with no selector (#135)
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- tolerant to class names that starts with digit (#99, #105)
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- fix background compressing (#170)
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## 1.3.12 (October 8, 2015)
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- Case insensitive check for `!important` (#187)
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- Fix problems with using `csso` as cli command on Windows (#83, #136, #142 and others)
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- Remove byte order marker (the UTF-8 BOM) from input
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- Don't strip space between funktion-funktion and funktion-vhash (#134)
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- Don't merge TRBL values having \9 (hack for IE8 in bootstrap) (#159, #214, #230, #231 and others)
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- Don't strip units off dimensions of non-length (#226, #229 and others)
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## 1.3.7 (February 11, 2013)
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- Gonzales 1.0.7.
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## 1.3.6 (November 26, 2012)
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- Gonzales 1.0.6.
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## 1.3.5 (October 28, 2012)
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- Gonzales 1.0.5.
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- Protecting copyright notices in CSS: https://github.com/css/csso/issues/92
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- Zero CSS throws an error: https://github.com/css/csso/issues/96
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- Don't minify the second `0s` in Firefox for animations: https://github.com/css/csso/issues/100
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- Japan manual
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- BEM ready documentation
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## 1.3.4 (October 10, 2012)
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- @page inside @media Causes Error: https://github.com/css/csso/issues/90
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## 1.3.3 (October 9, 2012)
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- CSSO 1.3.2 compresses ".t-1" and ".t-01" as identical classes: https://github.com/css/csso/issues/88
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## 1.3.2 (October 8, 2012)
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- filter + important breaks CSSO v1.3.1: https://github.com/css/csso/issues/87
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## 1.3.1 (October 8, 2012)
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- "filter" IE property breaks CSSO v1.3.0: https://github.com/css/csso/issues/86
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## 1.3.0 (October 4, 2012)
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- PeCode CSS parser replaced by Gonzales CSS parser
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