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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:43:05 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 22:18:30 +0800 |
| commit | 89e95b3f143682ed9a006991bacf45c9dcba4818 (patch) | |
| tree | 4f44cf41b828577d583890bdd5a1c31e8491a6ba /node_modules/clean-css/lib/optimizer/wrap-for-optimizing.js | |
| parent | aa7f0199255277949790b41c56e8ec97dd4f0da4 (diff) | |
| download | xmake-docs-vuepress.tar.gz xmake-docs-vuepress.zip | |
remove node_modulesvuepress
Diffstat (limited to 'node_modules/clean-css/lib/optimizer/wrap-for-optimizing.js')
| -rw-r--r-- | node_modules/clean-css/lib/optimizer/wrap-for-optimizing.js | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/node_modules/clean-css/lib/optimizer/wrap-for-optimizing.js b/node_modules/clean-css/lib/optimizer/wrap-for-optimizing.js deleted file mode 100644 index c516fbc4..00000000 --- a/node_modules/clean-css/lib/optimizer/wrap-for-optimizing.js +++ /dev/null @@ -1,191 +0,0 @@ -var Hack = require('./hack'); - -var Marker = require('../tokenizer/marker'); -var Token = require('../tokenizer/token'); - -var Match = { - ASTERISK: '*', - BACKSLASH: '\\', - BANG: '!', - BANG_SUFFIX_PATTERN: /!\w+$/, - IMPORTANT_TOKEN: '!important', - IMPORTANT_TOKEN_PATTERN: new RegExp('!important$', 'i'), - IMPORTANT_WORD: 'important', - IMPORTANT_WORD_PATTERN: new RegExp('important$', 'i'), - SUFFIX_BANG_PATTERN: /!$/, - UNDERSCORE: '_', - VARIABLE_REFERENCE_PATTERN: /var\(--.+\)$/ -}; - -function wrapAll(properties, includeVariable, skipProperties) { - var wrapped = []; - var single; - var property; - var i; - - for (i = properties.length - 1; i >= 0; i--) { - property = properties[i]; - - if (property[0] != Token.PROPERTY) { - continue; - } - - if (!includeVariable && someVariableReferences(property)) { - continue; - } - - if (skipProperties && skipProperties.indexOf(property[1][1]) > -1) { - continue; - } - - single = wrapSingle(property); - single.all = properties; - single.position = i; - wrapped.unshift(single); - } - - return wrapped; -} - -function someVariableReferences(property) { - var i, l; - var value; - - // skipping `property` and property name tokens - for (i = 2, l = property.length; i < l; i++) { - value = property[i]; - - if (value[0] != Token.PROPERTY_VALUE) { - continue; - } - - if (isVariableReference(value[1])) { - return true; - } - } - - return false; -} - -function isVariableReference(value) { - return Match.VARIABLE_REFERENCE_PATTERN.test(value); -} - -function isMultiplex(property) { - var value; - var i, l; - - for (i = 3, l = property.length; i < l; i++) { - value = property[i]; - - if (value[0] == Token.PROPERTY_VALUE && (value[1] == Marker.COMMA || value[1] == Marker.FORWARD_SLASH)) { - return true; - } - } - - return false; -} - -function hackFrom(property) { - var match = false; - var name = property[1][1]; - var lastValue = property[property.length - 1]; - - if (name[0] == Match.UNDERSCORE) { - match = [Hack.UNDERSCORE]; - } else if (name[0] == Match.ASTERISK) { - match = [Hack.ASTERISK]; - } else if (lastValue[1][0] == Match.BANG && !lastValue[1].match(Match.IMPORTANT_WORD_PATTERN)) { - match = [Hack.BANG]; - } else if (lastValue[1].indexOf(Match.BANG) > 0 && !lastValue[1].match(Match.IMPORTANT_WORD_PATTERN) && Match.BANG_SUFFIX_PATTERN.test(lastValue[1])) { - match = [Hack.BANG]; - } else if (lastValue[1].indexOf(Match.BACKSLASH) > 0 && lastValue[1].indexOf(Match.BACKSLASH) == lastValue[1].length - Match.BACKSLASH.length - 1) { - match = [Hack.BACKSLASH, lastValue[1].substring(lastValue[1].indexOf(Match.BACKSLASH) + 1)]; - } else if (lastValue[1].indexOf(Match.BACKSLASH) === 0 && lastValue[1].length == 2) { - match = [Hack.BACKSLASH, lastValue[1].substring(1)]; - } - - return match; -} - -function isImportant(property) { - if (property.length < 3) - return false; - - var lastValue = property[property.length - 1]; - if (Match.IMPORTANT_TOKEN_PATTERN.test(lastValue[1])) { - return true; - } else if (Match.IMPORTANT_WORD_PATTERN.test(lastValue[1]) && Match.SUFFIX_BANG_PATTERN.test(property[property.length - 2][1])) { - return true; - } - - return false; -} - -function stripImportant(property) { - var lastValue = property[property.length - 1]; - var oneButLastValue = property[property.length - 2]; - - if (Match.IMPORTANT_TOKEN_PATTERN.test(lastValue[1])) { - lastValue[1] = lastValue[1].replace(Match.IMPORTANT_TOKEN_PATTERN, ''); - } else { - lastValue[1] = lastValue[1].replace(Match.IMPORTANT_WORD_PATTERN, ''); - oneButLastValue[1] = oneButLastValue[1].replace(Match.SUFFIX_BANG_PATTERN, ''); - } - - if (lastValue[1].length === 0) { - property.pop(); - } - - if (oneButLastValue[1].length === 0) { - property.pop(); - } -} - -function stripPrefixHack(property) { - property[1][1] = property[1][1].substring(1); -} - -function stripSuffixHack(property, hackFrom) { - var lastValue = property[property.length - 1]; - lastValue[1] = lastValue[1] - .substring(0, lastValue[1].indexOf(hackFrom[0] == Hack.BACKSLASH ? Match.BACKSLASH : Match.BANG)) - .trim(); - - if (lastValue[1].length === 0) { - property.pop(); - } -} - -function wrapSingle(property) { - var importantProperty = isImportant(property); - if (importantProperty) { - stripImportant(property); - } - - var whichHack = hackFrom(property); - if (whichHack[0] == Hack.ASTERISK || whichHack[0] == Hack.UNDERSCORE) { - stripPrefixHack(property); - } else if (whichHack[0] == Hack.BACKSLASH || whichHack[0] == Hack.BANG) { - stripSuffixHack(property, whichHack); - } - - return { - block: property[2] && property[2][0] == Token.PROPERTY_BLOCK, - components: [], - dirty: false, - hack: whichHack, - important: importantProperty, - name: property[1][1], - multiplex: property.length > 3 ? isMultiplex(property) : false, - position: 0, - shorthand: false, - unused: false, - value: property.slice(2) - }; -} - -module.exports = { - all: wrapAll, - single: wrapSingle -}; |
