diff options
Diffstat (limited to 'node_modules/clean-css/lib/optimizer/level-2')
31 files changed, 0 insertions, 3174 deletions
diff --git a/node_modules/clean-css/lib/optimizer/level-2/extract-properties.js b/node_modules/clean-css/lib/optimizer/level-2/extract-properties.js deleted file mode 100644 index 66888c43..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/extract-properties.js +++ /dev/null @@ -1,61 +0,0 @@ -// This extractor is used in level 2 optimizations -// IMPORTANT: Mind Token class and this code is not related! -// Properties will be tokenized in one step, see #429 - -var Token = require('../../tokenizer/token'); -var serializeRules = require('../../writer/one-time').rules; -var serializeValue = require('../../writer/one-time').value; - -function extractProperties(token) { - var properties = []; - var inSpecificSelector; - var property; - var name; - var value; - var i, l; - - if (token[0] == Token.RULE) { - inSpecificSelector = !/[.+>~]/.test(serializeRules(token[1])); - - for (i = 0, l = token[2].length; i < l; i++) { - property = token[2][i]; - - if (property[0] != Token.PROPERTY) { continue; } - - name = property[1][1]; - if (name.length === 0) { continue; } - - value = serializeValue(property, i); - - properties.push([ - name, - value, - findNameRoot(name), - token[2][i], - name + ':' + value, - token[1], - inSpecificSelector - ]); - } - } else if (token[0] == Token.NESTED_BLOCK) { - for (i = 0, l = token[2].length; i < l; i++) { - properties = properties.concat(extractProperties(token[2][i])); - } - } - - return properties; -} - -function findNameRoot(name) { - if (name == 'list-style') { return name; } - if (name.indexOf('-radius') > 0) { return 'border-radius'; } - if (name == 'border-collapse' || name == 'border-spacing' || name == 'border-image') { return name; } - if (name.indexOf('border-') === 0 && /^border-\w+-\w+$/.test(name)) { return name.match(/border-\w+/)[0]; } - if (name.indexOf('border-') === 0 && /^border-\w+$/.test(name)) { return 'border'; } - if (name.indexOf('text-') === 0) { return name; } - if (name == '-chrome-') { return name; } - - return name.replace(/^-\w+-/, '').match(/([a-zA-Z]+)/)[0].toLowerCase(); -} - -module.exports = extractProperties; diff --git a/node_modules/clean-css/lib/optimizer/level-2/is-mergeable.js b/node_modules/clean-css/lib/optimizer/level-2/is-mergeable.js deleted file mode 100644 index dff393a9..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/is-mergeable.js +++ /dev/null @@ -1,273 +0,0 @@ -var Marker = require('../../tokenizer/marker'); -var split = require('../../utils/split'); - -var DEEP_SELECTOR_PATTERN = /\/deep\//; -var DOUBLE_COLON_PATTERN = /^::/; -var VENDOR_PREFIXED_PATTERN = /:(-moz-|-ms-|-o-|-webkit-)/; - -var NOT_PSEUDO = ':not'; -var PSEUDO_CLASSES_WITH_ARGUMENTS = [ - ':dir', - ':lang', - ':not', - ':nth-child', - ':nth-last-child', - ':nth-last-of-type', - ':nth-of-type' -]; -var RELATION_PATTERN = /[>+~]/; -var UNMIXABLE_PSEUDO_CLASSES = [ - ':after', - ':before', - ':first-letter', - ':first-line', - ':lang' -]; -var UNMIXABLE_PSEUDO_ELEMENTS = [ - '::after', - '::before', - '::first-letter', - '::first-line' -]; - -var Level = { - DOUBLE_QUOTE: 'double-quote', - SINGLE_QUOTE: 'single-quote', - ROOT: 'root' -}; - -function isMergeable(selector, mergeablePseudoClasses, mergeablePseudoElements, multiplePseudoMerging) { - var singleSelectors = split(selector, Marker.COMMA); - var singleSelector; - var i, l; - - for (i = 0, l = singleSelectors.length; i < l; i++) { - singleSelector = singleSelectors[i]; - - if (singleSelector.length === 0 - || isDeepSelector(singleSelector) - || isVendorPrefixed(singleSelector) - || (singleSelector.indexOf(Marker.COLON) > -1 - && !areMergeable( - singleSelector, - extractPseudoFrom(singleSelector), - mergeablePseudoClasses, - mergeablePseudoElements, - multiplePseudoMerging - ))) { - return false; - } - } - - return true; -} - -function isDeepSelector(selector) { - return DEEP_SELECTOR_PATTERN.test(selector); -} - -function isVendorPrefixed(selector) { - return VENDOR_PREFIXED_PATTERN.test(selector); -} - -function extractPseudoFrom(selector) { - var list = []; - var character; - var buffer = []; - var level = Level.ROOT; - var roundBracketLevel = 0; - var isQuoted; - var isEscaped; - var isPseudo = false; - var isRelation; - var wasColon = false; - var index; - var len; - - for (index = 0, len = selector.length; index < len; index++) { - character = selector[index]; - - isRelation = !isEscaped && RELATION_PATTERN.test(character); - isQuoted = level == Level.DOUBLE_QUOTE || level == Level.SINGLE_QUOTE; - - if (isEscaped) { - buffer.push(character); - } else if (character == Marker.DOUBLE_QUOTE && level == Level.ROOT) { - buffer.push(character); - level = Level.DOUBLE_QUOTE; - } else if (character == Marker.DOUBLE_QUOTE && level == Level.DOUBLE_QUOTE) { - buffer.push(character); - level = Level.ROOT; - } else if (character == Marker.SINGLE_QUOTE && level == Level.ROOT) { - buffer.push(character); - level = Level.SINGLE_QUOTE; - } else if (character == Marker.SINGLE_QUOTE && level == Level.SINGLE_QUOTE) { - buffer.push(character); - level = Level.ROOT; - } else if (isQuoted) { - buffer.push(character); - } else if (character == Marker.OPEN_ROUND_BRACKET) { - buffer.push(character); - roundBracketLevel++; - } else if (character == Marker.CLOSE_ROUND_BRACKET && roundBracketLevel == 1 && isPseudo) { - buffer.push(character); - list.push(buffer.join('')); - roundBracketLevel--; - buffer = []; - isPseudo = false; - } else if (character == Marker.CLOSE_ROUND_BRACKET) { - buffer.push(character); - roundBracketLevel--; - } else if (character == Marker.COLON && roundBracketLevel === 0 && isPseudo && !wasColon) { - list.push(buffer.join('')); - buffer = []; - buffer.push(character); - } else if (character == Marker.COLON && roundBracketLevel === 0 && !wasColon) { - buffer = []; - buffer.push(character); - isPseudo = true; - } else if (character == Marker.SPACE && roundBracketLevel === 0 && isPseudo) { - list.push(buffer.join('')); - buffer = []; - isPseudo = false; - } else if (isRelation && roundBracketLevel === 0 && isPseudo) { - list.push(buffer.join('')); - buffer = []; - isPseudo = false; - } else { - buffer.push(character); - } - - isEscaped = character == Marker.BACK_SLASH; - wasColon = character == Marker.COLON; - } - - if (buffer.length > 0 && isPseudo) { - list.push(buffer.join('')); - } - - return list; -} - -function areMergeable(selector, matches, mergeablePseudoClasses, mergeablePseudoElements, multiplePseudoMerging) { - return areAllowed(matches, mergeablePseudoClasses, mergeablePseudoElements) - && needArguments(matches) - && (matches.length < 2 || !someIncorrectlyChained(selector, matches)) - && (matches.length < 2 || multiplePseudoMerging && allMixable(matches)); -} - -function areAllowed(matches, mergeablePseudoClasses, mergeablePseudoElements) { - var match; - var name; - var i, l; - - for (i = 0, l = matches.length; i < l; i++) { - match = matches[i]; - name = match.indexOf(Marker.OPEN_ROUND_BRACKET) > -1 - ? match.substring(0, match.indexOf(Marker.OPEN_ROUND_BRACKET)) - : match; - - if (mergeablePseudoClasses.indexOf(name) === -1 && mergeablePseudoElements.indexOf(name) === -1) { - return false; - } - } - - return true; -} - -function needArguments(matches) { - var match; - var name; - var bracketOpensAt; - var hasArguments; - var i, l; - - for (i = 0, l = matches.length; i < l; i++) { - match = matches[i]; - - bracketOpensAt = match.indexOf(Marker.OPEN_ROUND_BRACKET); - hasArguments = bracketOpensAt > -1; - name = hasArguments - ? match.substring(0, bracketOpensAt) - : match; - - if (hasArguments && PSEUDO_CLASSES_WITH_ARGUMENTS.indexOf(name) == -1) { - return false; - } - - if (!hasArguments && PSEUDO_CLASSES_WITH_ARGUMENTS.indexOf(name) > -1) { - return false; - } - } - - return true; -} - -function someIncorrectlyChained(selector, matches) { - var positionInSelector = 0; - var match; - var matchAt; - var nextMatch; - var nextMatchAt; - var name; - var nextName; - var areChained; - var i, l; - - for (i = 0, l = matches.length; i < l; i++) { - match = matches[i]; - nextMatch = matches[i + 1]; - - if (!nextMatch) { - break; - } - - matchAt = selector.indexOf(match, positionInSelector); - nextMatchAt = selector.indexOf(match, matchAt + 1); - positionInSelector = nextMatchAt; - areChained = matchAt + match.length == nextMatchAt; - - if (areChained) { - name = match.indexOf(Marker.OPEN_ROUND_BRACKET) > -1 - ? match.substring(0, match.indexOf(Marker.OPEN_ROUND_BRACKET)) - : match; - nextName = nextMatch.indexOf(Marker.OPEN_ROUND_BRACKET) > -1 - ? nextMatch.substring(0, nextMatch.indexOf(Marker.OPEN_ROUND_BRACKET)) - : nextMatch; - - if (name != NOT_PSEUDO || nextName != NOT_PSEUDO) { - return true; - } - } - } - - return false; -} - -function allMixable(matches) { - var unmixableMatches = 0; - var match; - var i, l; - - for (i = 0, l = matches.length; i < l; i++) { - match = matches[i]; - - if (isPseudoElement(match)) { - unmixableMatches += UNMIXABLE_PSEUDO_ELEMENTS.indexOf(match) > -1 ? 1 : 0; - } else { - unmixableMatches += UNMIXABLE_PSEUDO_CLASSES.indexOf(match) > -1 ? 1 : 0; - } - - if (unmixableMatches > 1) { - return false; - } - } - - return true; -} - -function isPseudoElement(pseudo) { - return DOUBLE_COLON_PATTERN.test(pseudo); -} - -module.exports = isMergeable; diff --git a/node_modules/clean-css/lib/optimizer/level-2/merge-adjacent.js b/node_modules/clean-css/lib/optimizer/level-2/merge-adjacent.js deleted file mode 100644 index 7873aa1b..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/merge-adjacent.js +++ /dev/null @@ -1,55 +0,0 @@ -var isMergeable = require('./is-mergeable'); - -var optimizeProperties = require('./properties/optimize'); - -var sortSelectors = require('../level-1/sort-selectors'); -var tidyRules = require('../level-1/tidy-rules'); - -var OptimizationLevel = require('../../options/optimization-level').OptimizationLevel; - -var serializeBody = require('../../writer/one-time').body; -var serializeRules = require('../../writer/one-time').rules; - -var Token = require('../../tokenizer/token'); - -function mergeAdjacent(tokens, context) { - var lastToken = [null, [], []]; - var options = context.options; - var adjacentSpace = options.compatibility.selectors.adjacentSpace; - var selectorsSortingMethod = options.level[OptimizationLevel.One].selectorsSortingMethod; - var mergeablePseudoClasses = options.compatibility.selectors.mergeablePseudoClasses; - var mergeablePseudoElements = options.compatibility.selectors.mergeablePseudoElements; - var mergeLimit = options.compatibility.selectors.mergeLimit; - var multiplePseudoMerging = options.compatibility.selectors.multiplePseudoMerging; - - for (var i = 0, l = tokens.length; i < l; i++) { - var token = tokens[i]; - - if (token[0] != Token.RULE) { - lastToken = [null, [], []]; - continue; - } - - if (lastToken[0] == Token.RULE && serializeRules(token[1]) == serializeRules(lastToken[1])) { - Array.prototype.push.apply(lastToken[2], token[2]); - optimizeProperties(lastToken[2], true, true, context); - token[2] = []; - } else if (lastToken[0] == Token.RULE && serializeBody(token[2]) == serializeBody(lastToken[2]) - && isMergeable(serializeRules(token[1]), mergeablePseudoClasses, mergeablePseudoElements, multiplePseudoMerging) - && isMergeable( - serializeRules(lastToken[1]), - mergeablePseudoClasses, - mergeablePseudoElements, - multiplePseudoMerging - ) - && lastToken[1].length < mergeLimit) { - lastToken[1] = tidyRules(lastToken[1].concat(token[1]), false, adjacentSpace, false, context.warnings); - lastToken[1] = lastToken.length > 1 ? sortSelectors(lastToken[1], selectorsSortingMethod) : lastToken[1]; - token[2] = []; - } else { - lastToken = token; - } - } -} - -module.exports = mergeAdjacent; diff --git a/node_modules/clean-css/lib/optimizer/level-2/merge-media-queries.js b/node_modules/clean-css/lib/optimizer/level-2/merge-media-queries.js deleted file mode 100644 index 21d8186a..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/merge-media-queries.js +++ /dev/null @@ -1,105 +0,0 @@ -var canReorder = require('./reorderable').canReorder; -var canReorderSingle = require('./reorderable').canReorderSingle; -var extractProperties = require('./extract-properties'); -var rulesOverlap = require('./rules-overlap'); - -var serializeRules = require('../../writer/one-time').rules; -var OptimizationLevel = require('../../options/optimization-level').OptimizationLevel; -var Token = require('../../tokenizer/token'); - -function mergeMediaQueries(tokens, context) { - var mergeSemantically = context.options.level[OptimizationLevel.Two].mergeSemantically; - var specificityCache = context.cache.specificity; - var candidates = {}; - var reduced = []; - - for (var i = tokens.length - 1; i >= 0; i--) { - var token = tokens[i]; - if (token[0] != Token.NESTED_BLOCK) { - continue; - } - - var key = serializeRules(token[1]); - var candidate = candidates[key]; - if (!candidate) { - candidate = []; - candidates[key] = candidate; - } - - candidate.push(i); - } - - for (var name in candidates) { - var positions = candidates[name]; - - positionLoop: - for (var j = positions.length - 1; j > 0; j--) { - var positionOne = positions[j]; - var tokenOne = tokens[positionOne]; - var positionTwo = positions[j - 1]; - var tokenTwo = tokens[positionTwo]; - - directionLoop: - for (var direction = 1; direction >= -1; direction -= 2) { - var topToBottom = direction == 1; - var from = topToBottom ? positionOne + 1 : positionTwo - 1; - var to = topToBottom ? positionTwo : positionOne; - var delta = topToBottom ? 1 : -1; - var source = topToBottom ? tokenOne : tokenTwo; - var target = topToBottom ? tokenTwo : tokenOne; - var movedProperties = extractProperties(source); - - while (from != to) { - var traversedProperties = extractProperties(tokens[from]); - from += delta; - - if (mergeSemantically - && allSameRulePropertiesCanBeReordered(movedProperties, traversedProperties, specificityCache) - ) { - continue; - } - - if (!canReorder(movedProperties, traversedProperties, specificityCache)) { continue directionLoop; } - } - - target[2] = topToBottom - ? source[2].concat(target[2]) - : target[2].concat(source[2]); - source[2] = []; - - reduced.push(target); - continue positionLoop; - } - } - } - - return reduced; -} - -function allSameRulePropertiesCanBeReordered(movedProperties, traversedProperties, specificityCache) { - var movedProperty; - var movedRule; - var traversedProperty; - var traversedRule; - var i, l; - var j, m; - - for (i = 0, l = movedProperties.length; i < l; i++) { - movedProperty = movedProperties[i]; - movedRule = movedProperty[5]; - - for (j = 0, m = traversedProperties.length; j < m; j++) { - traversedProperty = traversedProperties[j]; - traversedRule = traversedProperty[5]; - - if (rulesOverlap(movedRule, traversedRule, true) - && !canReorderSingle(movedProperty, traversedProperty, specificityCache)) { - return false; - } - } - } - - return true; -} - -module.exports = mergeMediaQueries; diff --git a/node_modules/clean-css/lib/optimizer/level-2/merge-non-adjacent-by-body.js b/node_modules/clean-css/lib/optimizer/level-2/merge-non-adjacent-by-body.js deleted file mode 100644 index 0c60db40..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/merge-non-adjacent-by-body.js +++ /dev/null @@ -1,88 +0,0 @@ -var isMergeable = require('./is-mergeable'); - -var sortSelectors = require('../level-1/sort-selectors'); -var tidyRules = require('../level-1/tidy-rules'); - -var OptimizationLevel = require('../../options/optimization-level').OptimizationLevel; - -var serializeBody = require('../../writer/one-time').body; -var serializeRules = require('../../writer/one-time').rules; - -var Token = require('../../tokenizer/token'); - -function unsafeSelector(value) { - return /\.|\*| :/.test(value); -} - -function isBemElement(token) { - var asString = serializeRules(token[1]); - return asString.indexOf('__') > -1 || asString.indexOf('--') > -1; -} - -function withoutModifier(selector) { - return selector.replace(/--[^ ,>+~:]+/g, ''); -} - -function removeAnyUnsafeElements(left, candidates) { - var leftSelector = withoutModifier(serializeRules(left[1])); - - for (var body in candidates) { - var right = candidates[body]; - var rightSelector = withoutModifier(serializeRules(right[1])); - - if (rightSelector.indexOf(leftSelector) > -1 || leftSelector.indexOf(rightSelector) > -1) { - delete candidates[body]; - } - } -} - -function mergeNonAdjacentByBody(tokens, context) { - var options = context.options; - var mergeSemantically = options.level[OptimizationLevel.Two].mergeSemantically; - var adjacentSpace = options.compatibility.selectors.adjacentSpace; - var selectorsSortingMethod = options.level[OptimizationLevel.One].selectorsSortingMethod; - var mergeablePseudoClasses = options.compatibility.selectors.mergeablePseudoClasses; - var mergeablePseudoElements = options.compatibility.selectors.mergeablePseudoElements; - var multiplePseudoMerging = options.compatibility.selectors.multiplePseudoMerging; - var candidates = {}; - - for (var i = tokens.length - 1; i >= 0; i--) { - var token = tokens[i]; - if (token[0] != Token.RULE) { continue; } - - if (token[2].length > 0 && (!mergeSemantically && unsafeSelector(serializeRules(token[1])))) { candidates = {}; } - - if (token[2].length > 0 && mergeSemantically && isBemElement(token)) { removeAnyUnsafeElements(token, candidates); } - - var candidateBody = serializeBody(token[2]); - var oldToken = candidates[candidateBody]; - if (oldToken - && isMergeable( - serializeRules(token[1]), - mergeablePseudoClasses, - mergeablePseudoElements, - multiplePseudoMerging - ) - && isMergeable( - serializeRules(oldToken[1]), - mergeablePseudoClasses, - mergeablePseudoElements, - multiplePseudoMerging - ) - ) { - if (token[2].length > 0) { - token[1] = tidyRules(oldToken[1].concat(token[1]), false, adjacentSpace, false, context.warnings); - token[1] = token[1].length > 1 ? sortSelectors(token[1], selectorsSortingMethod) : token[1]; - } else { - token[1] = oldToken[1].concat(token[1]); - } - - oldToken[2] = []; - candidates[candidateBody] = null; - } - - candidates[serializeBody(token[2])] = token; - } -} - -module.exports = mergeNonAdjacentByBody; diff --git a/node_modules/clean-css/lib/optimizer/level-2/merge-non-adjacent-by-selector.js b/node_modules/clean-css/lib/optimizer/level-2/merge-non-adjacent-by-selector.js deleted file mode 100644 index 27d096c2..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/merge-non-adjacent-by-selector.js +++ /dev/null @@ -1,73 +0,0 @@ -var canReorder = require('./reorderable').canReorder; -var extractProperties = require('./extract-properties'); - -var optimizeProperties = require('./properties/optimize'); - -var serializeRules = require('../../writer/one-time').rules; - -var Token = require('../../tokenizer/token'); - -function mergeNonAdjacentBySelector(tokens, context) { - var specificityCache = context.cache.specificity; - var allSelectors = {}; - var repeatedSelectors = []; - var i; - - for (i = tokens.length - 1; i >= 0; i--) { - if (tokens[i][0] != Token.RULE) { continue; } - if (tokens[i][2].length === 0) { continue; } - - var selector = serializeRules(tokens[i][1]); - allSelectors[selector] = [i].concat(allSelectors[selector] || []); - - if (allSelectors[selector].length == 2) { repeatedSelectors.push(selector); } - } - - for (i = repeatedSelectors.length - 1; i >= 0; i--) { - var positions = allSelectors[repeatedSelectors[i]]; - - selectorIterator: - for (var j = positions.length - 1; j > 0; j--) { - var positionOne = positions[j - 1]; - var tokenOne = tokens[positionOne]; - var positionTwo = positions[j]; - var tokenTwo = tokens[positionTwo]; - - directionIterator: - for (var direction = 1; direction >= -1; direction -= 2) { - var topToBottom = direction == 1; - var from = topToBottom ? positionOne + 1 : positionTwo - 1; - var to = topToBottom ? positionTwo : positionOne; - var delta = topToBottom ? 1 : -1; - var moved = topToBottom ? tokenOne : tokenTwo; - var target = topToBottom ? tokenTwo : tokenOne; - var movedProperties = extractProperties(moved); - - while (from != to) { - var traversedProperties = extractProperties(tokens[from]); - from += delta; - - // traversed then moved as we move selectors towards the start - var reorderable = topToBottom - ? canReorder(movedProperties, traversedProperties, specificityCache) - : canReorder(traversedProperties, movedProperties, specificityCache); - - if (!reorderable && !topToBottom) { continue selectorIterator; } - if (!reorderable && topToBottom) { continue directionIterator; } - } - - if (topToBottom) { - Array.prototype.push.apply(moved[2], target[2]); - target[2] = moved[2]; - } else { - Array.prototype.push.apply(target[2], moved[2]); - } - - optimizeProperties(target[2], true, true, context); - moved[2] = []; - } - } - } -} - -module.exports = mergeNonAdjacentBySelector; diff --git a/node_modules/clean-css/lib/optimizer/level-2/optimize.js b/node_modules/clean-css/lib/optimizer/level-2/optimize.js deleted file mode 100644 index a176501a..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/optimize.js +++ /dev/null @@ -1,139 +0,0 @@ -var mergeAdjacent = require('./merge-adjacent'); -var mergeMediaQueries = require('./merge-media-queries'); -var mergeNonAdjacentByBody = require('./merge-non-adjacent-by-body'); -var mergeNonAdjacentBySelector = require('./merge-non-adjacent-by-selector'); -var reduceNonAdjacent = require('./reduce-non-adjacent'); -var removeDuplicateFontAtRules = require('./remove-duplicate-font-at-rules'); -var removeDuplicateMediaQueries = require('./remove-duplicate-media-queries'); -var removeDuplicates = require('./remove-duplicates'); -var removeUnusedAtRules = require('./remove-unused-at-rules'); -var restructure = require('./restructure'); - -var optimizeProperties = require('./properties/optimize'); - -var OptimizationLevel = require('../../options/optimization-level').OptimizationLevel; - -var Token = require('../../tokenizer/token'); - -function removeEmpty(tokens) { - for (var i = 0, l = tokens.length; i < l; i++) { - var token = tokens[i]; - var isEmpty = false; - - switch (token[0]) { - case Token.RULE: - isEmpty = token[1].length === 0 || token[2].length === 0; - break; - case Token.NESTED_BLOCK: - removeEmpty(token[2]); - isEmpty = token[2].length === 0; - break; - case Token.AT_RULE: - isEmpty = token[1].length === 0; - break; - case Token.AT_RULE_BLOCK: - isEmpty = token[2].length === 0; - } - - if (isEmpty) { - tokens.splice(i, 1); - i--; - l--; - } - } -} - -function recursivelyOptimizeBlocks(tokens, context) { - for (var i = 0, l = tokens.length; i < l; i++) { - var token = tokens[i]; - - if (token[0] == Token.NESTED_BLOCK) { - var isKeyframes = /@(-moz-|-o-|-webkit-)?keyframes/.test(token[1][0][1]); - level2Optimize(token[2], context, !isKeyframes); - } - } -} - -function recursivelyOptimizeProperties(tokens, context) { - for (var i = 0, l = tokens.length; i < l; i++) { - var token = tokens[i]; - - switch (token[0]) { - case Token.RULE: - optimizeProperties(token[2], true, true, context); - break; - case Token.NESTED_BLOCK: - recursivelyOptimizeProperties(token[2], context); - } - } -} - -function level2Optimize(tokens, context, withRestructuring) { - var levelOptions = context.options.level[OptimizationLevel.Two]; - var level2Plugins = context.options.plugins.level2Block; - var reduced; - var i; - - recursivelyOptimizeBlocks(tokens, context); - recursivelyOptimizeProperties(tokens, context); - - if (levelOptions.removeDuplicateRules) { - removeDuplicates(tokens, context); - } - - if (levelOptions.mergeAdjacentRules) { - mergeAdjacent(tokens, context); - } - - if (levelOptions.reduceNonAdjacentRules) { - reduceNonAdjacent(tokens, context); - } - - if (levelOptions.mergeNonAdjacentRules && levelOptions.mergeNonAdjacentRules != 'body') { - mergeNonAdjacentBySelector(tokens, context); - } - - if (levelOptions.mergeNonAdjacentRules && levelOptions.mergeNonAdjacentRules != 'selector') { - mergeNonAdjacentByBody(tokens, context); - } - - if (levelOptions.restructureRules && levelOptions.mergeAdjacentRules && withRestructuring) { - restructure(tokens, context); - mergeAdjacent(tokens, context); - } - - if (levelOptions.restructureRules && !levelOptions.mergeAdjacentRules && withRestructuring) { - restructure(tokens, context); - } - - if (levelOptions.removeDuplicateFontRules) { - removeDuplicateFontAtRules(tokens, context); - } - - if (levelOptions.removeDuplicateMediaBlocks) { - removeDuplicateMediaQueries(tokens, context); - } - - if (levelOptions.removeUnusedAtRules) { - removeUnusedAtRules(tokens, context); - } - - if (levelOptions.mergeMedia) { - reduced = mergeMediaQueries(tokens, context); - for (i = reduced.length - 1; i >= 0; i--) { - level2Optimize(reduced[i][2], context, false); - } - } - - for (i = 0; i < level2Plugins.length; i++) { - level2Plugins[i](tokens); - } - - if (levelOptions.removeEmpty) { - removeEmpty(tokens); - } - - return tokens; -} - -module.exports = level2Optimize; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/every-values-pair.js b/node_modules/clean-css/lib/optimizer/level-2/properties/every-values-pair.js deleted file mode 100644 index 44fcb7d5..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/every-values-pair.js +++ /dev/null @@ -1,28 +0,0 @@ -var Marker = require('../../../tokenizer/marker'); - -function everyValuesPair(fn, left, right) { - var leftSize = left.value.length; - var rightSize = right.value.length; - var total = Math.max(leftSize, rightSize); - var lowerBound = Math.min(leftSize, rightSize) - 1; - var leftValue; - var rightValue; - var position; - - for (position = 0; position < total; position++) { - leftValue = left.value[position] && left.value[position][1] || leftValue; - rightValue = right.value[position] && right.value[position][1] || rightValue; - - if (leftValue == Marker.COMMA || rightValue == Marker.COMMA) { - continue; - } - - if (!fn(leftValue, rightValue, position, position <= lowerBound)) { - return false; - } - } - - return true; -} - -module.exports = everyValuesPair; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/find-component-in.js b/node_modules/clean-css/lib/optimizer/level-2/properties/find-component-in.js deleted file mode 100644 index 745543b6..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/find-component-in.js +++ /dev/null @@ -1,38 +0,0 @@ -var configuration = require('../../configuration'); - -function findComponentIn(shorthand, longhand) { - var comparator = nameComparator(longhand); - - return findInDirectComponents(shorthand, comparator) || findInSubComponents(shorthand, comparator); -} - -function nameComparator(to) { - return function(property) { - return to.name === property.name; - }; -} - -function findInDirectComponents(shorthand, comparator) { - return shorthand.components.filter(comparator)[0]; -} - -function findInSubComponents(shorthand, comparator) { - var shorthandComponent; - var longhandMatch; - var i, l; - - if (!configuration[shorthand.name].shorthandComponents) { - return; - } - - for (i = 0, l = shorthand.components.length; i < l; i++) { - shorthandComponent = shorthand.components[i]; - longhandMatch = findInDirectComponents(shorthandComponent, comparator); - - if (longhandMatch) { - return longhandMatch; - } - } -} - -module.exports = findComponentIn; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/has-inherit.js b/node_modules/clean-css/lib/optimizer/level-2/properties/has-inherit.js deleted file mode 100644 index 8a029c59..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/has-inherit.js +++ /dev/null @@ -1,9 +0,0 @@ -function hasInherit(property) { - for (var i = property.value.length - 1; i >= 0; i--) { - if (property.value[i][1] == 'inherit') { return true; } - } - - return false; -} - -module.exports = hasInherit; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/has-same-values.js b/node_modules/clean-css/lib/optimizer/level-2/properties/has-same-values.js deleted file mode 100644 index 18815191..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/has-same-values.js +++ /dev/null @@ -1,14 +0,0 @@ -function hasSameValues(property) { - var firstValue = property.value[0][1]; - var i, l; - - for (i = 1, l = property.value.length; i < l; i++) { - if (property.value[i][1] != firstValue) { - return false; - } - } - - return true; -} - -module.exports = hasSameValues; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/has-unset.js b/node_modules/clean-css/lib/optimizer/level-2/properties/has-unset.js deleted file mode 100644 index d31a4888..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/has-unset.js +++ /dev/null @@ -1,9 +0,0 @@ -function hasUnset(property) { - for (var i = property.value.length - 1; i >= 0; i--) { - if (property.value[i][1] == 'unset') { return true; } - } - - return false; -} - -module.exports = hasUnset; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/is-component-of.js b/node_modules/clean-css/lib/optimizer/level-2/properties/is-component-of.js deleted file mode 100644 index 571d05eb..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/is-component-of.js +++ /dev/null @@ -1,22 +0,0 @@ -var configuration = require('../../configuration'); - -function isComponentOf(property1, property2, shallow) { - return isDirectComponentOf(property1, property2) - || !shallow && !!configuration[property1.name].shorthandComponents && isSubComponentOf(property1, property2); -} - -function isDirectComponentOf(property1, property2) { - var descriptor = configuration[property1.name]; - - return 'components' in descriptor && descriptor.components.indexOf(property2.name) > -1; -} - -function isSubComponentOf(property1, property2) { - return property1 - .components - .some(function(component) { - return isDirectComponentOf(component, property2); - }); -} - -module.exports = isComponentOf; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/is-mergeable-shorthand.js b/node_modules/clean-css/lib/optimizer/level-2/properties/is-mergeable-shorthand.js deleted file mode 100644 index ee7191ef..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/is-mergeable-shorthand.js +++ /dev/null @@ -1,11 +0,0 @@ -var Marker = require('../../../tokenizer/marker'); - -function isMergeableShorthand(shorthand) { - if (shorthand.name != 'font') { - return true; - } - - return shorthand.value[0][1].indexOf(Marker.INTERNAL) == -1; -} - -module.exports = isMergeableShorthand; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/merge-into-shorthands.js b/node_modules/clean-css/lib/optimizer/level-2/properties/merge-into-shorthands.js deleted file mode 100644 index 9ff9139f..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/merge-into-shorthands.js +++ /dev/null @@ -1,496 +0,0 @@ -var everyValuesPair = require('./every-values-pair'); -var hasInherit = require('./has-inherit'); -var hasSameValues = require('./has-same-values'); -var populateComponents = require('./populate-components'); - -var configuration = require('../../configuration'); -var deepClone = require('../../clone').deep; -var restoreWithComponents = require('../restore-with-components'); - -var restoreFromOptimizing = require('../../restore-from-optimizing'); -var wrapSingle = require('../../wrap-for-optimizing').single; - -var serializeBody = require('../../../writer/one-time').body; -var Token = require('../../../tokenizer/token'); - -function mergeIntoShorthands(properties, validator) { - var candidates = {}; - var descriptor; - var componentOf; - var property; - var i, l; - var j, m; - - // there is no shorthand property made up of less than 3 longhands - if (properties.length < 3) { - return; - } - - for (i = 0, l = properties.length; i < l; i++) { - property = properties[i]; - descriptor = configuration[property.name]; - - if (property.dynamic) { - continue; - } - - if (property.unused) { - continue; - } - - if (property.hack) { - continue; - } - - if (property.block) { - continue; - } - - if (descriptor && descriptor.singleTypeComponents && !hasSameValues(property)) { - continue; - } - - invalidateOrCompact(properties, i, candidates, validator); - - if (descriptor && descriptor.componentOf) { - for (j = 0, m = descriptor.componentOf.length; j < m; j++) { - componentOf = descriptor.componentOf[j]; - - candidates[componentOf] = candidates[componentOf] || {}; - candidates[componentOf][property.name] = property; - } - } - } - - invalidateOrCompact(properties, i, candidates, validator); -} - -function invalidateOrCompact(properties, position, candidates, validator) { - var invalidatedBy = properties[position]; - var shorthandName; - var shorthandDescriptor; - var candidateComponents; - var replacedCandidates = []; - var i; - - for (shorthandName in candidates) { - if (undefined !== invalidatedBy && shorthandName == invalidatedBy.name) { - continue; - } - - shorthandDescriptor = configuration[shorthandName]; - candidateComponents = candidates[shorthandName]; - if (invalidatedBy && invalidates(candidates, shorthandName, invalidatedBy)) { - delete candidates[shorthandName]; - continue; - } - - if (shorthandDescriptor.components.length > Object.keys(candidateComponents).length) { - continue; - } - - if (mixedImportance(candidateComponents)) { - continue; - } - - if (!overridable(candidateComponents, shorthandName, validator)) { - continue; - } - - if (!mergeable(candidateComponents)) { - continue; - } - - if (mixedInherit(candidateComponents)) { - replaceWithInheritBestFit(properties, candidateComponents, shorthandName, validator); - } else { - replaceWithShorthand(properties, candidateComponents, shorthandName, validator); - } - - replacedCandidates.push(shorthandName); - } - - for (i = replacedCandidates.length - 1; i >= 0; i--) { - delete candidates[replacedCandidates[i]]; - } -} - -function invalidates(candidates, shorthandName, invalidatedBy) { - var shorthandDescriptor = configuration[shorthandName]; - var invalidatedByDescriptor = configuration[invalidatedBy.name]; - var componentName; - - if ('overridesShorthands' in shorthandDescriptor && shorthandDescriptor.overridesShorthands.indexOf(invalidatedBy.name) > -1) { - return true; - } - - if (invalidatedByDescriptor && 'componentOf' in invalidatedByDescriptor) { - for (componentName in candidates[shorthandName]) { - if (invalidatedByDescriptor.componentOf.indexOf(componentName) > -1) { - return true; - } - } - } - - return false; -} - -function mixedImportance(components) { - var important; - var componentName; - - for (componentName in components) { - if (undefined !== important && components[componentName].important != important) { - return true; - } - - important = components[componentName].important; - } - - return false; -} - -function overridable(components, shorthandName, validator) { - var descriptor = configuration[shorthandName]; - var newValuePlaceholder = [ - Token.PROPERTY, - [Token.PROPERTY_NAME, shorthandName], - [Token.PROPERTY_VALUE, descriptor.defaultValue] - ]; - var newProperty = wrapSingle(newValuePlaceholder); - var component; - var mayOverride; - var i, l; - - populateComponents([newProperty], validator, []); - - for (i = 0, l = descriptor.components.length; i < l; i++) { - component = components[descriptor.components[i]]; - mayOverride = configuration[component.name].canOverride || sameValue; - - if (!everyValuesPair(mayOverride.bind(null, validator), newProperty.components[i], component)) { - return false; - } - } - - return true; -} - -function sameValue(_validator, value1, value2) { - return value1 === value2; -} - -function mergeable(components) { - var lastCount = null; - var currentCount; - var componentName; - var component; - var descriptor; - var values; - - for (componentName in components) { - component = components[componentName]; - descriptor = configuration[componentName]; - - if (!('restore' in descriptor)) { - continue; - } - - restoreFromOptimizing([component.all[component.position]], restoreWithComponents); - values = descriptor.restore(component, configuration); - - currentCount = values.length; - - if (lastCount !== null && currentCount !== lastCount) { - return false; - } - - lastCount = currentCount; - } - - return true; -} - -function mixedInherit(components) { - var componentName; - var lastValue = null; - var currentValue; - - for (componentName in components) { - currentValue = hasInherit(components[componentName]); - - if (lastValue !== null && lastValue !== currentValue) { - return true; - } - - lastValue = currentValue; - } - - return false; -} - -function replaceWithInheritBestFit(properties, candidateComponents, shorthandName, validator) { - var viaLonghands = buildSequenceWithInheritLonghands(candidateComponents, shorthandName, validator); - var viaShorthand = buildSequenceWithInheritShorthand(candidateComponents, shorthandName, validator); - var longhandTokensSequence = viaLonghands[0]; - var shorthandTokensSequence = viaShorthand[0]; - var isLonghandsShorter = serializeBody(longhandTokensSequence).length < serializeBody(shorthandTokensSequence).length; - var newTokensSequence = isLonghandsShorter ? longhandTokensSequence : shorthandTokensSequence; - var newProperty = isLonghandsShorter ? viaLonghands[1] : viaShorthand[1]; - var newComponents = isLonghandsShorter ? viaLonghands[2] : viaShorthand[2]; - var lastComponent = candidateComponents[Object.keys(candidateComponents).pop()]; - var all = lastComponent.all; - var insertAt = lastComponent.position; - var componentName; - var oldComponent; - var newComponent; - var newToken; - - newProperty.position = insertAt; - newProperty.shorthand = true; - newProperty.important = lastComponent.important; - newProperty.multiplex = false; - newProperty.dirty = true; - newProperty.all = all; - newProperty.all[insertAt] = newTokensSequence[0]; - - properties.splice(insertAt, 1, newProperty); - - for (componentName in candidateComponents) { - oldComponent = candidateComponents[componentName]; - oldComponent.unused = true; - - newProperty.multiplex = newProperty.multiplex || oldComponent.multiplex; - - if (oldComponent.name in newComponents) { - newComponent = newComponents[oldComponent.name]; - newToken = findTokenIn(newTokensSequence, componentName); - - newComponent.position = all.length; - newComponent.all = all; - newComponent.all.push(newToken); - - properties.push(newComponent); - } - } -} - -function buildSequenceWithInheritLonghands(components, shorthandName, validator) { - var tokensSequence = []; - var inheritComponents = {}; - var nonInheritComponents = {}; - var descriptor = configuration[shorthandName]; - var shorthandToken = [ - Token.PROPERTY, - [Token.PROPERTY_NAME, shorthandName], - [Token.PROPERTY_VALUE, descriptor.defaultValue] - ]; - var newProperty = wrapSingle(shorthandToken); - var component; - var longhandToken; - var newComponent; - var nameMetadata; - var i, l; - - populateComponents([newProperty], validator, []); - - for (i = 0, l = descriptor.components.length; i < l; i++) { - component = components[descriptor.components[i]]; - - if (hasInherit(component)) { - longhandToken = component.all[component.position].slice(0, 2); - Array.prototype.push.apply(longhandToken, component.value); - tokensSequence.push(longhandToken); - - newComponent = deepClone(component); - newComponent.value = inferComponentValue(components, newComponent.name); - - newProperty.components[i] = newComponent; - inheritComponents[component.name] = deepClone(component); - } else { - newComponent = deepClone(component); - newComponent.all = component.all; - newProperty.components[i] = newComponent; - - nonInheritComponents[component.name] = component; - } - } - - newProperty.important = components[Object.keys(components).pop()].important; - - nameMetadata = joinMetadata(nonInheritComponents, 1); - shorthandToken[1].push(nameMetadata); - - restoreFromOptimizing([newProperty], restoreWithComponents); - - shorthandToken = shorthandToken.slice(0, 2); - Array.prototype.push.apply(shorthandToken, newProperty.value); - - tokensSequence.unshift(shorthandToken); - - return [tokensSequence, newProperty, inheritComponents]; -} - -function inferComponentValue(components, propertyName) { - var descriptor = configuration[propertyName]; - - if ('oppositeTo' in descriptor) { - return components[descriptor.oppositeTo].value; - } - return [[Token.PROPERTY_VALUE, descriptor.defaultValue]]; -} - -function joinMetadata(components, at) { - var metadata = []; - var component; - var originalValue; - var componentMetadata; - var componentName; - - for (componentName in components) { - component = components[componentName]; - originalValue = component.all[component.position]; - componentMetadata = originalValue[at][originalValue[at].length - 1]; - - Array.prototype.push.apply(metadata, componentMetadata); - } - - return metadata.sort(metadataSorter); -} - -function metadataSorter(metadata1, metadata2) { - var line1 = metadata1[0]; - var line2 = metadata2[0]; - var column1 = metadata1[1]; - var column2 = metadata2[1]; - - if (line1 < line2) { - return -1; - } if (line1 === line2) { - return column1 < column2 ? -1 : 1; - } - return 1; -} - -function buildSequenceWithInheritShorthand(components, shorthandName, validator) { - var tokensSequence = []; - var inheritComponents = {}; - var nonInheritComponents = {}; - var descriptor = configuration[shorthandName]; - var shorthandToken = [ - Token.PROPERTY, - [Token.PROPERTY_NAME, shorthandName], - [Token.PROPERTY_VALUE, 'inherit'] - ]; - var newProperty = wrapSingle(shorthandToken); - var component; - var longhandToken; - var nameMetadata; - var valueMetadata; - var i, l; - - populateComponents([newProperty], validator, []); - - for (i = 0, l = descriptor.components.length; i < l; i++) { - component = components[descriptor.components[i]]; - - if (hasInherit(component)) { - inheritComponents[component.name] = component; - } else { - longhandToken = component.all[component.position].slice(0, 2); - Array.prototype.push.apply(longhandToken, component.value); - tokensSequence.push(longhandToken); - - nonInheritComponents[component.name] = deepClone(component); - } - } - - nameMetadata = joinMetadata(inheritComponents, 1); - shorthandToken[1].push(nameMetadata); - - valueMetadata = joinMetadata(inheritComponents, 2); - shorthandToken[2].push(valueMetadata); - - tokensSequence.unshift(shorthandToken); - - return [tokensSequence, newProperty, nonInheritComponents]; -} - -function findTokenIn(tokens, componentName) { - var i, l; - - for (i = 0, l = tokens.length; i < l; i++) { - if (tokens[i][1][1] == componentName) { - return tokens[i]; - } - } -} - -function replaceWithShorthand(properties, candidateComponents, shorthandName, validator) { - var descriptor = configuration[shorthandName]; - var nameMetadata; - var valueMetadata; - var newValuePlaceholder = [ - Token.PROPERTY, - [Token.PROPERTY_NAME, shorthandName], - [Token.PROPERTY_VALUE, descriptor.defaultValue] - ]; - var all; - var insertAt = inferInsertAtFrom(properties, candidateComponents, shorthandName); - - var newProperty = wrapSingle(newValuePlaceholder); - newProperty.shorthand = true; - newProperty.dirty = true; - newProperty.multiplex = false; - - populateComponents([newProperty], validator, []); - - for (var i = 0, l = descriptor.components.length; i < l; i++) { - var component = candidateComponents[descriptor.components[i]]; - - newProperty.components[i] = deepClone(component); - newProperty.important = component.important; - newProperty.multiplex = newProperty.multiplex || component.multiplex; - - all = component.all; - } - - for (var componentName in candidateComponents) { - candidateComponents[componentName].unused = true; - } - - nameMetadata = joinMetadata(candidateComponents, 1); - newValuePlaceholder[1].push(nameMetadata); - - valueMetadata = joinMetadata(candidateComponents, 2); - newValuePlaceholder[2].push(valueMetadata); - - newProperty.position = insertAt; - newProperty.all = all; - newProperty.all[insertAt] = newValuePlaceholder; - - properties.splice(insertAt, 1, newProperty); -} - -function inferInsertAtFrom(properties, candidateComponents, shorthandName) { - var candidateComponentNames = Object.keys(candidateComponents); - var firstCandidatePosition = candidateComponents[candidateComponentNames[0]].position; - var lastCandidatePosition = candidateComponents[candidateComponentNames[candidateComponentNames.length - 1]].position; - - if (shorthandName == 'border' && traversesVia(properties.slice(firstCandidatePosition, lastCandidatePosition), 'border-image')) { - return firstCandidatePosition; - } - return lastCandidatePosition; -} - -function traversesVia(properties, propertyName) { - for (var i = properties.length - 1; i >= 0; i--) { - if (properties[i].name == propertyName) { - return true; - } - } - - return false; -} - -module.exports = mergeIntoShorthands; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/optimize.js b/node_modules/clean-css/lib/optimizer/level-2/properties/optimize.js deleted file mode 100644 index 536cd6d5..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/optimize.js +++ /dev/null @@ -1,40 +0,0 @@ -var mergeIntoShorthands = require('./merge-into-shorthands'); -var overrideProperties = require('./override-properties'); -var populateComponents = require('./populate-components'); - -var restoreWithComponents = require('../restore-with-components'); - -var wrapForOptimizing = require('../../wrap-for-optimizing').all; -var removeUnused = require('../../remove-unused'); -var restoreFromOptimizing = require('../../restore-from-optimizing'); - -var OptimizationLevel = require('../../../options/optimization-level').OptimizationLevel; - -function optimizeProperties(properties, withOverriding, withMerging, context) { - var levelOptions = context.options.level[OptimizationLevel.Two]; - var _properties = wrapForOptimizing(properties, levelOptions.skipProperties); - var _property; - var i, l; - - populateComponents(_properties, context.validator, context.warnings); - - for (i = 0, l = _properties.length; i < l; i++) { - _property = _properties[i]; - if (_property.block) { - optimizeProperties(_property.value[0][1], withOverriding, withMerging, context); - } - } - - if (withMerging && levelOptions.mergeIntoShorthands) { - mergeIntoShorthands(_properties, context.validator); - } - - if (withOverriding && levelOptions.overrideProperties) { - overrideProperties(_properties, withMerging, context.options.compatibility, context.validator); - } - - restoreFromOptimizing(_properties, restoreWithComponents); - removeUnused(_properties); -} - -module.exports = optimizeProperties; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/override-properties.js b/node_modules/clean-css/lib/optimizer/level-2/properties/override-properties.js deleted file mode 100644 index 5f7aa38e..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/override-properties.js +++ /dev/null @@ -1,461 +0,0 @@ -var hasInherit = require('./has-inherit'); -var hasUnset = require('./has-unset'); -var everyValuesPair = require('./every-values-pair'); -var findComponentIn = require('./find-component-in'); -var isComponentOf = require('./is-component-of'); -var isMergeableShorthand = require('./is-mergeable-shorthand'); -var overridesNonComponentShorthand = require('./overrides-non-component-shorthand'); -var sameVendorPrefixesIn = require('./../../vendor-prefixes').same; - -var configuration = require('../../configuration'); -var deepClone = require('../../clone').deep; -var restoreWithComponents = require('../restore-with-components'); -var shallowClone = require('../../clone').shallow; - -var restoreFromOptimizing = require('../../restore-from-optimizing'); - -var Token = require('../../../tokenizer/token'); -var Marker = require('../../../tokenizer/marker'); - -var serializeProperty = require('../../../writer/one-time').property; - -function sameValue(_validator, value1, value2) { - return value1 === value2; -} - -function wouldBreakCompatibility(property, validator) { - for (var i = 0; i < property.components.length; i++) { - var component = property.components[i]; - var descriptor = configuration[component.name]; - var canOverride = descriptor && descriptor.canOverride || sameValue; - - var _component = shallowClone(component); - _component.value = [[Token.PROPERTY_VALUE, descriptor.defaultValue]]; - - if (!everyValuesPair(canOverride.bind(null, validator), _component, component)) { - return true; - } - } - - return false; -} - -function overrideIntoMultiplex(property, by) { - by.unused = true; - - turnIntoMultiplex(by, multiplexSize(property)); - property.value = by.value; -} - -function overrideByMultiplex(property, by) { - by.unused = true; - property.multiplex = true; - property.value = by.value; -} - -function overrideSimple(property, by) { - by.unused = true; - property.value = by.value; -} - -function override(property, by) { - if (by.multiplex) { - overrideByMultiplex(property, by); - } else if (property.multiplex) { - overrideIntoMultiplex(property, by); - } else { - overrideSimple(property, by); - } -} - -function overrideShorthand(property, by) { - by.unused = true; - - for (var i = 0, l = property.components.length; i < l; i++) { - override(property.components[i], by.components[i]); - } -} - -function turnIntoMultiplex(property, size) { - property.multiplex = true; - - if (configuration[property.name].shorthand) { - turnShorthandValueIntoMultiplex(property, size); - } else { - turnLonghandValueIntoMultiplex(property, size); - } -} - -function turnShorthandValueIntoMultiplex(property, size) { - var component; - var i, l; - - for (i = 0, l = property.components.length; i < l; i++) { - component = property.components[i]; - - if (!component.multiplex) { - turnLonghandValueIntoMultiplex(component, size); - } - } -} - -function turnLonghandValueIntoMultiplex(property, size) { - var descriptor = configuration[property.name]; - var withRealValue = descriptor.intoMultiplexMode == 'real'; - var withValue = descriptor.intoMultiplexMode == 'real' - ? property.value.slice(0) - : (descriptor.intoMultiplexMode == 'placeholder' ? descriptor.placeholderValue : descriptor.defaultValue); - var i = multiplexSize(property); - var j; - var m = withValue.length; - - for (; i < size; i++) { - property.value.push([Token.PROPERTY_VALUE, Marker.COMMA]); - - if (Array.isArray(withValue)) { - for (j = 0; j < m; j++) { - property.value.push(withRealValue ? withValue[j] : [Token.PROPERTY_VALUE, withValue[j]]); - } - } else { - property.value.push(withRealValue ? withValue : [Token.PROPERTY_VALUE, withValue]); - } - } -} - -function multiplexSize(component) { - var size = 0; - - for (var i = 0, l = component.value.length; i < l; i++) { - if (component.value[i][1] == Marker.COMMA) { size++; } - } - - return size + 1; -} - -function lengthOf(property) { - var fakeAsArray = [ - Token.PROPERTY, - [Token.PROPERTY_NAME, property.name] - ].concat(property.value); - return serializeProperty([fakeAsArray], 0).length; -} - -function moreSameShorthands(properties, startAt, name) { - // Since we run the main loop in `compactOverrides` backwards, at this point some - // properties may not be marked as unused. - // We should consider reverting the order if possible - var count = 0; - - for (var i = startAt; i >= 0; i--) { - if (properties[i].name == name && !properties[i].unused) { count++; } - if (count > 1) { break; } - } - - return count > 1; -} - -function overridingFunction(shorthand, validator) { - for (var i = 0, l = shorthand.components.length; i < l; i++) { - if (!anyValue(validator.isUrl, shorthand.components[i]) - && anyValue(validator.isFunction, shorthand.components[i])) { return true; } - } - - return false; -} - -function anyValue(fn, property) { - for (var i = 0, l = property.value.length; i < l; i++) { - if (property.value[i][1] == Marker.COMMA) { continue; } - - if (fn(property.value[i][1])) { return true; } - } - - return false; -} - -function wouldResultInLongerValue(left, right) { - if (!left.multiplex && !right.multiplex || left.multiplex && right.multiplex) { return false; } - - var multiplex = left.multiplex ? left : right; - var simple = left.multiplex ? right : left; - var component; - - var multiplexClone = deepClone(multiplex); - restoreFromOptimizing([multiplexClone], restoreWithComponents); - - var simpleClone = deepClone(simple); - restoreFromOptimizing([simpleClone], restoreWithComponents); - - var lengthBefore = lengthOf(multiplexClone) + 1 + lengthOf(simpleClone); - - if (left.multiplex) { - component = findComponentIn(multiplexClone, simpleClone); - overrideIntoMultiplex(component, simpleClone); - } else { - component = findComponentIn(simpleClone, multiplexClone); - turnIntoMultiplex(simpleClone, multiplexSize(multiplexClone)); - overrideByMultiplex(component, multiplexClone); - } - - restoreFromOptimizing([simpleClone], restoreWithComponents); - - var lengthAfter = lengthOf(simpleClone); - - return lengthBefore <= lengthAfter; -} - -function isCompactable(property) { - return property.name in configuration; -} - -function noneOverrideHack(left, right) { - return !left.multiplex - && (left.name == 'background' || left.name == 'background-image') - && right.multiplex - && (right.name == 'background' || right.name == 'background-image') - && anyLayerIsNone(right.value); -} - -function anyLayerIsNone(values) { - var layers = intoLayers(values); - - for (var i = 0, l = layers.length; i < l; i++) { - if (layers[i].length == 1 && layers[i][0][1] == 'none') { return true; } - } - - return false; -} - -function intoLayers(values) { - var layers = []; - - for (var i = 0, layer = [], l = values.length; i < l; i++) { - var value = values[i]; - if (value[1] == Marker.COMMA) { - layers.push(layer); - layer = []; - } else { - layer.push(value); - } - } - - layers.push(layer); - return layers; -} - -function overrideProperties(properties, withMerging, compatibility, validator) { - var mayOverride, right, left, component; - var overriddenComponents; - var overriddenComponent; - var overridingComponent; - var overridable; - var i, j, k; - - propertyLoop: - for (i = properties.length - 1; i >= 0; i--) { - right = properties[i]; - - if (!isCompactable(right)) { continue; } - - if (right.block) { continue; } - - mayOverride = configuration[right.name].canOverride || sameValue; - - traverseLoop: - for (j = i - 1; j >= 0; j--) { - left = properties[j]; - - if (!isCompactable(left)) { continue; } - - if (left.block) { continue; } - - if (left.dynamic || right.dynamic) { continue; } - - if (left.unused || right.unused) { continue; } - - if (left.hack && !right.hack && !right.important || !left.hack && !left.important && right.hack) { continue; } - - if (left.important == right.important && left.hack[0] != right.hack[0]) { continue; } - - if (left.important == right.important - && (left.hack[0] != right.hack[0] || (left.hack[1] && left.hack[1] != right.hack[1]))) { continue; } - - if (hasInherit(right)) { continue; } - - if (noneOverrideHack(left, right)) { continue; } - - if (right.shorthand && isComponentOf(right, left)) { - // maybe `left` can be overridden by `right` which is a shorthand? - if (!right.important && left.important) { continue; } - - if (!sameVendorPrefixesIn([left], right.components)) { continue; } - - if (!anyValue(validator.isFunction, left) && overridingFunction(right, validator)) { continue; } - - if (!isMergeableShorthand(right)) { - left.unused = true; - continue; - } - - component = findComponentIn(right, left); - mayOverride = configuration[left.name].canOverride || sameValue; - if (everyValuesPair(mayOverride.bind(null, validator), left, component)) { - left.unused = true; - } - } else if (right.shorthand && overridesNonComponentShorthand(right, left)) { - // `right` is a shorthand while `left` can be overriden by it, think `border` and `border-top` - if (!right.important && left.important) { - continue; - } - - if (!sameVendorPrefixesIn([left], right.components)) { - continue; - } - - if (!anyValue(validator.isFunction, left) && overridingFunction(right, validator)) { - continue; - } - - overriddenComponents = left.shorthand - ? left.components - : [left]; - - for (k = overriddenComponents.length - 1; k >= 0; k--) { - overriddenComponent = overriddenComponents[k]; - overridingComponent = findComponentIn(right, overriddenComponent); - mayOverride = configuration[overriddenComponent.name].canOverride || sameValue; - - if (!everyValuesPair(mayOverride.bind(null, validator), left, overridingComponent)) { - continue traverseLoop; - } - } - - left.unused = true; - } else if (withMerging && left.shorthand && !right.shorthand && isComponentOf(left, right, true)) { - // maybe `right` can be pulled into `left` which is a shorthand? - if (right.important && !left.important) { continue; } - - if (!right.important && left.important) { - right.unused = true; - continue; - } - - // Pending more clever algorithm in #527 - if (moreSameShorthands(properties, i - 1, left.name)) { continue; } - - if (overridingFunction(left, validator)) { continue; } - - if (!isMergeableShorthand(left)) { continue; } - - if (hasUnset(left) || hasUnset(right)) { continue; } - - component = findComponentIn(left, right); - if (everyValuesPair(mayOverride.bind(null, validator), component, right)) { - var disabledBackgroundMerging = !compatibility.properties.backgroundClipMerging && component.name.indexOf('background-clip') > -1 - || !compatibility.properties.backgroundOriginMerging && component.name.indexOf('background-origin') > -1 - || !compatibility.properties.backgroundSizeMerging && component.name.indexOf('background-size') > -1; - var nonMergeableValue = configuration[right.name].nonMergeableValue === right.value[0][1]; - - if (disabledBackgroundMerging || nonMergeableValue) { continue; } - - if (!compatibility.properties.merging && wouldBreakCompatibility(left, validator)) { continue; } - - if (component.value[0][1] != right.value[0][1] && (hasInherit(left) || hasInherit(right))) { continue; } - - if (wouldResultInLongerValue(left, right)) { continue; } - - if (!left.multiplex && right.multiplex) { turnIntoMultiplex(left, multiplexSize(right)); } - - override(component, right); - left.dirty = true; - } - } else if (withMerging && left.shorthand && right.shorthand && left.name == right.name) { - // merge if all components can be merged - - if (!left.multiplex && right.multiplex) { continue; } - - if (!right.important && left.important) { - right.unused = true; - continue propertyLoop; - } - - if (right.important && !left.important) { - left.unused = true; - continue; - } - - if (!isMergeableShorthand(right)) { - left.unused = true; - continue; - } - - for (k = left.components.length - 1; k >= 0; k--) { - var leftComponent = left.components[k]; - var rightComponent = right.components[k]; - - mayOverride = configuration[leftComponent.name].canOverride || sameValue; - if (!everyValuesPair(mayOverride.bind(null, validator), leftComponent, rightComponent)) { - continue propertyLoop; - } - } - - overrideShorthand(left, right); - left.dirty = true; - } else if (withMerging && left.shorthand && right.shorthand && isComponentOf(left, right)) { - // border is a shorthand but any of its components is a shorthand too - - if (!left.important && right.important) { continue; } - - component = findComponentIn(left, right); - mayOverride = configuration[right.name].canOverride || sameValue; - if (!everyValuesPair(mayOverride.bind(null, validator), component, right)) { continue; } - - if (left.important && !right.important) { - right.unused = true; - continue; - } - - var rightRestored = configuration[right.name].restore(right, configuration); - if (rightRestored.length > 1) { continue; } - - component = findComponentIn(left, right); - override(component, right); - right.dirty = true; - } else if (left.name == right.name) { - // two non-shorthands should be merged based on understandability - overridable = true; - - if (right.shorthand) { - for (k = right.components.length - 1; k >= 0 && overridable; k--) { - overriddenComponent = left.components[k]; - overridingComponent = right.components[k]; - mayOverride = configuration[overridingComponent.name].canOverride || sameValue; - - overridable = everyValuesPair(mayOverride.bind(null, validator), overriddenComponent, overridingComponent); - } - } else { - mayOverride = configuration[right.name].canOverride || sameValue; - overridable = everyValuesPair(mayOverride.bind(null, validator), left, right); - } - - if (left.important && !right.important && overridable) { - right.unused = true; - continue; - } - - if (!left.important && right.important && overridable) { - left.unused = true; - continue; - } - - if (!overridable) { - continue; - } - - left.unused = true; - } - } - } -} - -module.exports = overrideProperties; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/overrides-non-component-shorthand.js b/node_modules/clean-css/lib/optimizer/level-2/properties/overrides-non-component-shorthand.js deleted file mode 100644 index 2f5886f3..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/overrides-non-component-shorthand.js +++ /dev/null @@ -1,9 +0,0 @@ -var configuration = require('../../configuration'); - -function overridesNonComponentShorthand(property1, property2) { - return property1.name in configuration - && 'overridesShorthands' in configuration[property1.name] - && configuration[property1.name].overridesShorthands.indexOf(property2.name) > -1; -} - -module.exports = overridesNonComponentShorthand; diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/populate-components.js b/node_modules/clean-css/lib/optimizer/level-2/properties/populate-components.js deleted file mode 100644 index e5367465..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/properties/populate-components.js +++ /dev/null @@ -1,61 +0,0 @@ -var configuration = require('../../configuration'); -var InvalidPropertyError = require('../../invalid-property-error'); - -function populateComponents(properties, validator, warnings) { - var component; - var j, m; - - for (var i = properties.length - 1; i >= 0; i--) { - var property = properties[i]; - var descriptor = configuration[property.name]; - - if (!property.dynamic && descriptor && descriptor.shorthand) { - if (onlyValueIsVariable(property, validator) || moreThanOneValueIsVariable(property, validator)) { - property.optimizable = false; - continue; - } - - property.shorthand = true; - property.dirty = true; - - try { - property.components = descriptor.breakUp(property, configuration, validator); - - if (descriptor.shorthandComponents) { - for (j = 0, m = property.components.length; j < m; j++) { - component = property.components[j]; - component.components = configuration[component.name].breakUp(component, configuration, validator); - } - } - } catch (e) { - if (e instanceof InvalidPropertyError) { - property.components = []; // this will set property.unused to true below - warnings.push(e.message); - } else { - throw e; - } - } - - if (property.components.length > 0) { - property.multiplex = property.components[0].multiplex; - } else { - property.unused = true; - } - } - } -} - -function onlyValueIsVariable(property, validator) { - return property.value.length == 1 && validator.isVariable(property.value[0][1]); -} - -function moreThanOneValueIsVariable(property, validator) { - return property.value.length > 1 - && property.value.filter( - function(value) { - return validator.isVariable(value[1]); - } - ).length > 1; -} - -module.exports = populateComponents; diff --git a/node_modules/clean-css/lib/optimizer/level-2/reduce-non-adjacent.js b/node_modules/clean-css/lib/optimizer/level-2/reduce-non-adjacent.js deleted file mode 100644 index 9e3a7890..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/reduce-non-adjacent.js +++ /dev/null @@ -1,174 +0,0 @@ -var isMergeable = require('./is-mergeable'); - -var optimizeProperties = require('./properties/optimize'); - -var cloneArray = require('../../utils/clone-array'); - -var Token = require('../../tokenizer/token'); - -var serializeBody = require('../../writer/one-time').body; -var serializeRules = require('../../writer/one-time').rules; - -function reduceNonAdjacent(tokens, context) { - var options = context.options; - var mergeablePseudoClasses = options.compatibility.selectors.mergeablePseudoClasses; - var mergeablePseudoElements = options.compatibility.selectors.mergeablePseudoElements; - var multiplePseudoMerging = options.compatibility.selectors.multiplePseudoMerging; - var candidates = {}; - var repeated = []; - - for (var i = tokens.length - 1; i >= 0; i--) { - var token = tokens[i]; - - if (token[0] != Token.RULE) { - continue; - } else if (token[2].length === 0) { - continue; - } - - var selectorAsString = serializeRules(token[1]); - var isComplexAndNotSpecial = token[1].length > 1 - && isMergeable(selectorAsString, mergeablePseudoClasses, mergeablePseudoElements, multiplePseudoMerging); - var wrappedSelectors = wrappedSelectorsFrom(token[1]); - var selectors = isComplexAndNotSpecial - ? [selectorAsString].concat(wrappedSelectors) - : [selectorAsString]; - - for (var j = 0, m = selectors.length; j < m; j++) { - var selector = selectors[j]; - - if (!candidates[selector]) { candidates[selector] = []; } else { repeated.push(selector); } - - candidates[selector].push({ - where: i, - list: wrappedSelectors, - isPartial: isComplexAndNotSpecial && j > 0, - isComplex: isComplexAndNotSpecial && j === 0 - }); - } - } - - reduceSimpleNonAdjacentCases(tokens, repeated, candidates, options, context); - reduceComplexNonAdjacentCases(tokens, candidates, options, context); -} - -function wrappedSelectorsFrom(list) { - var wrapped = []; - - for (var i = 0; i < list.length; i++) { - wrapped.push([list[i][1]]); - } - - return wrapped; -} - -function reduceSimpleNonAdjacentCases(tokens, repeated, candidates, options, context) { - function filterOut(idx, bodies) { - return data[idx].isPartial && bodies.length === 0; - } - - function reduceBody(token, newBody, processedCount, tokenIdx) { - if (!data[processedCount - tokenIdx - 1].isPartial) { token[2] = newBody; } - } - - for (var i = 0, l = repeated.length; i < l; i++) { - var selector = repeated[i]; - var data = candidates[selector]; - - reduceSelector(tokens, data, { - filterOut: filterOut, - callback: reduceBody - }, options, context); - } -} - -function reduceComplexNonAdjacentCases(tokens, candidates, options, context) { - var mergeablePseudoClasses = options.compatibility.selectors.mergeablePseudoClasses; - var mergeablePseudoElements = options.compatibility.selectors.mergeablePseudoElements; - var multiplePseudoMerging = options.compatibility.selectors.multiplePseudoMerging; - var localContext = {}; - - function filterOut(idx) { - return localContext.data[idx].where < localContext.intoPosition; - } - - function collectReducedBodies(token, newBody, processedCount, tokenIdx) { - if (tokenIdx === 0) { localContext.reducedBodies.push(newBody); } - } - - allSelectors: - for (var complexSelector in candidates) { - var into = candidates[complexSelector]; - if (!into[0].isComplex) { continue; } - - var intoPosition = into[into.length - 1].where; - var intoToken = tokens[intoPosition]; - var reducedBodies = []; - - var selectors = isMergeable(complexSelector, mergeablePseudoClasses, mergeablePseudoElements, multiplePseudoMerging) - ? into[0].list - : [complexSelector]; - - localContext.intoPosition = intoPosition; - localContext.reducedBodies = reducedBodies; - - for (var j = 0, m = selectors.length; j < m; j++) { - var selector = selectors[j]; - var data = candidates[selector]; - - if (data.length < 2) { continue allSelectors; } - - localContext.data = data; - - reduceSelector(tokens, data, { - filterOut: filterOut, - callback: collectReducedBodies - }, options, context); - - if (serializeBody(reducedBodies[reducedBodies.length - 1]) != serializeBody(reducedBodies[0])) { - continue allSelectors; - } - } - - intoToken[2] = reducedBodies[0]; - } -} - -function reduceSelector(tokens, data, context, options, outerContext) { - var bodies = []; - var bodiesAsList = []; - var processedTokens = []; - - for (var j = data.length - 1; j >= 0; j--) { - if (context.filterOut(j, bodies)) { continue; } - - var where = data[j].where; - var token = tokens[where]; - var clonedBody = cloneArray(token[2]); - - bodies = bodies.concat(clonedBody); - bodiesAsList.push(clonedBody); - processedTokens.push(where); - } - - optimizeProperties(bodies, true, false, outerContext); - - var processedCount = processedTokens.length; - var propertyIdx = bodies.length - 1; - var tokenIdx = processedCount - 1; - - while (tokenIdx >= 0) { - if ((tokenIdx === 0 - || (bodies[propertyIdx] && bodiesAsList[tokenIdx].indexOf(bodies[propertyIdx]) > -1)) && propertyIdx > -1) { - propertyIdx--; - continue; - } - - var newBody = bodies.splice(propertyIdx + 1); - context.callback(tokens[processedTokens[tokenIdx]], newBody, processedCount, tokenIdx); - - tokenIdx--; - } -} - -module.exports = reduceNonAdjacent; diff --git a/node_modules/clean-css/lib/optimizer/level-2/remove-duplicate-font-at-rules.js b/node_modules/clean-css/lib/optimizer/level-2/remove-duplicate-font-at-rules.js deleted file mode 100644 index bc85d5d6..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/remove-duplicate-font-at-rules.js +++ /dev/null @@ -1,30 +0,0 @@ -var Token = require('../../tokenizer/token'); - -var serializeAll = require('../../writer/one-time').all; - -var FONT_FACE_SCOPE = '@font-face'; - -function removeDuplicateFontAtRules(tokens) { - var fontAtRules = []; - var token; - var key; - var i, l; - - for (i = 0, l = tokens.length; i < l; i++) { - token = tokens[i]; - - if (token[0] != Token.AT_RULE_BLOCK && token[1][0][1] != FONT_FACE_SCOPE) { - continue; - } - - key = serializeAll([token]); - - if (fontAtRules.indexOf(key) > -1) { - token[2] = []; - } else { - fontAtRules.push(key); - } - } -} - -module.exports = removeDuplicateFontAtRules; diff --git a/node_modules/clean-css/lib/optimizer/level-2/remove-duplicate-media-queries.js b/node_modules/clean-css/lib/optimizer/level-2/remove-duplicate-media-queries.js deleted file mode 100644 index 2c8f31d9..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/remove-duplicate-media-queries.js +++ /dev/null @@ -1,30 +0,0 @@ -var Token = require('../../tokenizer/token'); - -var serializeAll = require('../../writer/one-time').all; -var serializeRules = require('../../writer/one-time').rules; - -function removeDuplicateMediaQueries(tokens) { - var candidates = {}; - var candidate; - var token; - var key; - var i, l; - - for (i = 0, l = tokens.length; i < l; i++) { - token = tokens[i]; - if (token[0] != Token.NESTED_BLOCK) { - continue; - } - - key = serializeRules(token[1]) + '%' + serializeAll(token[2]); - candidate = candidates[key]; - - if (candidate) { - candidate[2] = []; - } - - candidates[key] = token; - } -} - -module.exports = removeDuplicateMediaQueries; diff --git a/node_modules/clean-css/lib/optimizer/level-2/remove-duplicates.js b/node_modules/clean-css/lib/optimizer/level-2/remove-duplicates.js deleted file mode 100644 index cbbe367a..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/remove-duplicates.js +++ /dev/null @@ -1,36 +0,0 @@ -var Token = require('../../tokenizer/token'); - -var serializeBody = require('../../writer/one-time').body; -var serializeRules = require('../../writer/one-time').rules; - -function removeDuplicates(tokens) { - var matched = {}; - var moreThanOnce = []; - var id, token; - var body, bodies; - - for (var i = 0, l = tokens.length; i < l; i++) { - token = tokens[i]; - if (token[0] != Token.RULE) { continue; } - - id = serializeRules(token[1]); - - if (matched[id] && matched[id].length == 1) { moreThanOnce.push(id); } else { matched[id] = matched[id] || []; } - - matched[id].push(i); - } - - for (i = 0, l = moreThanOnce.length; i < l; i++) { - id = moreThanOnce[i]; - bodies = []; - - for (var j = matched[id].length - 1; j >= 0; j--) { - token = tokens[matched[id][j]]; - body = serializeBody(token[2]); - - if (bodies.indexOf(body) > -1) { token[2] = []; } else { bodies.push(body); } - } - } -} - -module.exports = removeDuplicates; diff --git a/node_modules/clean-css/lib/optimizer/level-2/remove-unused-at-rules.js b/node_modules/clean-css/lib/optimizer/level-2/remove-unused-at-rules.js deleted file mode 100644 index 71e5eba2..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/remove-unused-at-rules.js +++ /dev/null @@ -1,249 +0,0 @@ -var populateComponents = require('./properties/populate-components'); - -var wrapForOptimizing = require('../wrap-for-optimizing').single; -var restoreFromOptimizing = require('../restore-from-optimizing'); - -var Token = require('../../tokenizer/token'); - -var animationNameRegex = /^(-moz-|-o-|-webkit-)?animation-name$/; -var animationRegex = /^(-moz-|-o-|-webkit-)?animation$/; -var keyframeRegex = /^@(-moz-|-o-|-webkit-)?keyframes /; -var importantRegex = /\s{0,31}!important$/; -var optionalMatchingQuotesRegex = /^(['"]?)(.*)\1$/; - -function normalize(value) { - return value - .replace(optionalMatchingQuotesRegex, '$2') - .replace(importantRegex, ''); -} - -function removeUnusedAtRules(tokens, context) { - removeUnusedAtRule(tokens, matchCounterStyle, markCounterStylesAsUsed, context); - removeUnusedAtRule(tokens, matchFontFace, markFontFacesAsUsed, context); - removeUnusedAtRule(tokens, matchKeyframe, markKeyframesAsUsed, context); - removeUnusedAtRule(tokens, matchNamespace, markNamespacesAsUsed, context); -} - -function removeUnusedAtRule(tokens, matchCallback, markCallback, context) { - var atRules = {}; - var atRule; - var atRuleTokens; - var atRuleToken; - var zeroAt; - var i, l; - - for (i = 0, l = tokens.length; i < l; i++) { - matchCallback(tokens[i], atRules); - } - - if (Object.keys(atRules).length === 0) { - return; - } - - markUsedAtRules(tokens, markCallback, atRules, context); - - for (atRule in atRules) { - atRuleTokens = atRules[atRule]; - - for (i = 0, l = atRuleTokens.length; i < l; i++) { - atRuleToken = atRuleTokens[i]; - zeroAt = atRuleToken[0] == Token.AT_RULE ? 1 : 2; - atRuleToken[zeroAt] = []; - } - } -} - -function markUsedAtRules(tokens, markCallback, atRules, context) { - var boundMarkCallback = markCallback(atRules); - var i, l; - - for (i = 0, l = tokens.length; i < l; i++) { - switch (tokens[i][0]) { - case Token.RULE: - boundMarkCallback(tokens[i], context); - break; - case Token.NESTED_BLOCK: - markUsedAtRules(tokens[i][2], markCallback, atRules, context); - } - } -} - -function matchCounterStyle(token, atRules) { - var match; - - if (token[0] == Token.AT_RULE_BLOCK && token[1][0][1].indexOf('@counter-style') === 0) { - match = token[1][0][1].split(' ')[1]; - atRules[match] = atRules[match] || []; - atRules[match].push(token); - } -} - -function markCounterStylesAsUsed(atRules) { - return function(token, context) { - var property; - var wrappedProperty; - var i, l; - - for (i = 0, l = token[2].length; i < l; i++) { - property = token[2][i]; - - if (property[1][1] == 'list-style') { - wrappedProperty = wrapForOptimizing(property); - populateComponents([wrappedProperty], context.validator, context.warnings); - - if (wrappedProperty.components[0].value[0][1] in atRules) { - delete atRules[property[2][1]]; - } - - restoreFromOptimizing([wrappedProperty]); - } - - if (property[1][1] == 'list-style-type' && property[2][1] in atRules) { - delete atRules[property[2][1]]; - } - } - }; -} - -function matchFontFace(token, atRules) { - var property; - var match; - var i, l; - - if (token[0] == Token.AT_RULE_BLOCK && token[1][0][1] == '@font-face') { - for (i = 0, l = token[2].length; i < l; i++) { - property = token[2][i]; - - if (property[1][1] == 'font-family') { - match = normalize(property[2][1].toLowerCase()); - atRules[match] = atRules[match] || []; - atRules[match].push(token); - break; - } - } - } -} - -function markFontFacesAsUsed(atRules) { - return function(token, context) { - var property; - var wrappedProperty; - var component; - var normalizedMatch; - var i, l; - var j, m; - - for (i = 0, l = token[2].length; i < l; i++) { - property = token[2][i]; - - if (property[1][1] == 'font') { - wrappedProperty = wrapForOptimizing(property); - populateComponents([wrappedProperty], context.validator, context.warnings); - component = wrappedProperty.components[6]; - - for (j = 0, m = component.value.length; j < m; j++) { - normalizedMatch = normalize(component.value[j][1].toLowerCase()); - - if (normalizedMatch in atRules) { - delete atRules[normalizedMatch]; - } - } - - restoreFromOptimizing([wrappedProperty]); - } - - if (property[1][1] == 'font-family') { - for (j = 2, m = property.length; j < m; j++) { - normalizedMatch = normalize(property[j][1].toLowerCase()); - - if (normalizedMatch in atRules) { - delete atRules[normalizedMatch]; - } - } - } - } - }; -} - -function matchKeyframe(token, atRules) { - var match; - - if (token[0] == Token.NESTED_BLOCK && keyframeRegex.test(token[1][0][1])) { - match = token[1][0][1].split(' ')[1]; - atRules[match] = atRules[match] || []; - atRules[match].push(token); - } -} - -function markKeyframesAsUsed(atRules) { - return function(token, context) { - var property; - var wrappedProperty; - var component; - var i, l; - var j, m; - - for (i = 0, l = token[2].length; i < l; i++) { - property = token[2][i]; - - if (animationRegex.test(property[1][1])) { - wrappedProperty = wrapForOptimizing(property); - populateComponents([wrappedProperty], context.validator, context.warnings); - component = wrappedProperty.components[7]; - - for (j = 0, m = component.value.length; j < m; j++) { - if (component.value[j][1] in atRules) { - delete atRules[component.value[j][1]]; - } - } - - restoreFromOptimizing([wrappedProperty]); - } - - if (animationNameRegex.test(property[1][1])) { - for (j = 2, m = property.length; j < m; j++) { - if (property[j][1] in atRules) { - delete atRules[property[j][1]]; - } - } - } - } - }; -} - -function matchNamespace(token, atRules) { - var match; - - if (token[0] == Token.AT_RULE && token[1].indexOf('@namespace') === 0) { - match = token[1].split(' ')[1]; - atRules[match] = atRules[match] || []; - atRules[match].push(token); - } -} - -function markNamespacesAsUsed(atRules) { - var namespaceRegex = new RegExp(Object.keys(atRules).join('\\||') + '\\|', 'g'); - - return function(token) { - var match; - var scope; - var normalizedMatch; - var i, l; - var j, m; - - for (i = 0, l = token[1].length; i < l; i++) { - scope = token[1][i]; - match = scope[1].match(namespaceRegex); - - for (j = 0, m = match.length; j < m; j++) { - normalizedMatch = match[j].substring(0, match[j].length - 1); - - if (normalizedMatch in atRules) { - delete atRules[normalizedMatch]; - } - } - } - }; -} - -module.exports = removeUnusedAtRules; diff --git a/node_modules/clean-css/lib/optimizer/level-2/reorderable.js b/node_modules/clean-css/lib/optimizer/level-2/reorderable.js deleted file mode 100644 index 4e00ce28..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/reorderable.js +++ /dev/null @@ -1,93 +0,0 @@ -// TODO: it'd be great to merge it with the other canReorder functionality - -var rulesOverlap = require('./rules-overlap'); -var specificitiesOverlap = require('./specificities-overlap'); - -var FLEX_PROPERTIES = /align-items|box-align|box-pack|flex|justify/; -var BORDER_PROPERTIES = /^border-(top|right|bottom|left|color|style|width|radius)/; - -function canReorder(left, right, cache) { - for (var i = right.length - 1; i >= 0; i--) { - for (var j = left.length - 1; j >= 0; j--) { - if (!canReorderSingle(left[j], right[i], cache)) { return false; } - } - } - - return true; -} - -function canReorderSingle(left, right, cache) { - var leftName = left[0]; - var leftValue = left[1]; - var leftNameRoot = left[2]; - var leftSelector = left[5]; - var leftInSpecificSelector = left[6]; - var rightName = right[0]; - var rightValue = right[1]; - var rightNameRoot = right[2]; - var rightSelector = right[5]; - var rightInSpecificSelector = right[6]; - - if (leftName == 'font' && rightName == 'line-height' || rightName == 'font' && leftName == 'line-height') { return false; } - if (FLEX_PROPERTIES.test(leftName) && FLEX_PROPERTIES.test(rightName)) { return false; } - if (leftNameRoot == rightNameRoot - && unprefixed(leftName) == unprefixed(rightName) - && (vendorPrefixed(leftName) ^ vendorPrefixed(rightName))) { return false; } - if (leftNameRoot == 'border' && BORDER_PROPERTIES.test(rightNameRoot) && (leftName == 'border' || leftName == rightNameRoot || (leftValue != rightValue && sameBorderComponent(leftName, rightName)))) { return false; } - if (rightNameRoot == 'border' && BORDER_PROPERTIES.test(leftNameRoot) && (rightName == 'border' || rightName == leftNameRoot || (leftValue != rightValue && sameBorderComponent(leftName, rightName)))) { return false; } - if (leftNameRoot == 'border' && rightNameRoot == 'border' && leftName != rightName && (isSideBorder(leftName) && isStyleBorder(rightName) || isStyleBorder(leftName) && isSideBorder(rightName))) { return false; } - if (leftNameRoot != rightNameRoot) { return true; } - if (leftName == rightName - && leftNameRoot == rightNameRoot - && (leftValue == rightValue || withDifferentVendorPrefix(leftValue, rightValue))) { return true; } - if (leftName != rightName - && leftNameRoot == rightNameRoot - && leftName != leftNameRoot - && rightName != rightNameRoot) { return true; } - if (leftName != rightName - && leftNameRoot == rightNameRoot - && leftValue == rightValue) { return true; } - if (rightInSpecificSelector - && leftInSpecificSelector - && !inheritable(leftNameRoot) - && !inheritable(rightNameRoot) - && !rulesOverlap(rightSelector, leftSelector, false)) { return true; } - if (!specificitiesOverlap(leftSelector, rightSelector, cache)) { return true; } - - return false; -} - -function vendorPrefixed(name) { - return /^-(?:moz|webkit|ms|o)-/.test(name); -} - -function unprefixed(name) { - return name.replace(/^-(?:moz|webkit|ms|o)-/, ''); -} - -function sameBorderComponent(name1, name2) { - return name1.split('-').pop() == name2.split('-').pop(); -} - -function isSideBorder(name) { - return name == 'border-top' || name == 'border-right' || name == 'border-bottom' || name == 'border-left'; -} - -function isStyleBorder(name) { - return name == 'border-color' || name == 'border-style' || name == 'border-width'; -} - -function withDifferentVendorPrefix(value1, value2) { - return vendorPrefixed(value1) && vendorPrefixed(value2) && value1.split('-')[1] != value2.split('-')[2]; -} - -function inheritable(name) { - // According to http://www.w3.org/TR/CSS21/propidx.html - // Others will be catched by other, preceeding rules - return name == 'font' || name == 'line-height' || name == 'list-style'; -} - -module.exports = { - canReorder: canReorder, - canReorderSingle: canReorderSingle -}; diff --git a/node_modules/clean-css/lib/optimizer/level-2/restore-with-components.js b/node_modules/clean-css/lib/optimizer/level-2/restore-with-components.js deleted file mode 100644 index f2965bab..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/restore-with-components.js +++ /dev/null @@ -1,12 +0,0 @@ -var configuration = require('../configuration'); - -function restoreWithComponents(property) { - var descriptor = configuration[property.name]; - - if (descriptor && descriptor.shorthand) { - return descriptor.restore(property, configuration); - } - return property.value; -} - -module.exports = restoreWithComponents; diff --git a/node_modules/clean-css/lib/optimizer/level-2/restructure.js b/node_modules/clean-css/lib/optimizer/level-2/restructure.js deleted file mode 100644 index 934a925d..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/restructure.js +++ /dev/null @@ -1,392 +0,0 @@ -var canReorderSingle = require('./reorderable').canReorderSingle; -var extractProperties = require('./extract-properties'); -var isMergeable = require('./is-mergeable'); -var tidyRuleDuplicates = require('./tidy-rule-duplicates'); - -var Token = require('../../tokenizer/token'); - -var cloneArray = require('../../utils/clone-array'); - -var serializeBody = require('../../writer/one-time').body; -var serializeRules = require('../../writer/one-time').rules; - -function naturalSorter(a, b) { - return a > b ? 1 : -1; -} - -function cloneAndMergeSelectors(propertyA, propertyB) { - var cloned = cloneArray(propertyA); - cloned[5] = cloned[5].concat(propertyB[5]); - - return cloned; -} - -function restructure(tokens, context) { - var options = context.options; - var mergeablePseudoClasses = options.compatibility.selectors.mergeablePseudoClasses; - var mergeablePseudoElements = options.compatibility.selectors.mergeablePseudoElements; - var mergeLimit = options.compatibility.selectors.mergeLimit; - var multiplePseudoMerging = options.compatibility.selectors.multiplePseudoMerging; - var specificityCache = context.cache.specificity; - var movableTokens = {}; - var movedProperties = []; - var multiPropertyMoveCache = {}; - var movedToBeDropped = []; - var maxCombinationsLevel = 2; - var ID_JOIN_CHARACTER = '%'; - - function sendToMultiPropertyMoveCache(position, movedProperty, allFits) { - for (var i = allFits.length - 1; i >= 0; i--) { - var fit = allFits[i][0]; - var id = addToCache(movedProperty, fit); - - if (multiPropertyMoveCache[id].length > 1 && processMultiPropertyMove(position, multiPropertyMoveCache[id])) { - removeAllMatchingFromCache(id); - break; - } - } - } - - function addToCache(movedProperty, fit) { - var id = cacheId(fit); - multiPropertyMoveCache[id] = multiPropertyMoveCache[id] || []; - multiPropertyMoveCache[id].push([movedProperty, fit]); - return id; - } - - function removeAllMatchingFromCache(matchId) { - var matchSelectors = matchId.split(ID_JOIN_CHARACTER); - var forRemoval = []; - var i; - - for (var id in multiPropertyMoveCache) { - var selectors = id.split(ID_JOIN_CHARACTER); - for (i = selectors.length - 1; i >= 0; i--) { - if (matchSelectors.indexOf(selectors[i]) > -1) { - forRemoval.push(id); - break; - } - } - } - - for (i = forRemoval.length - 1; i >= 0; i--) { - delete multiPropertyMoveCache[forRemoval[i]]; - } - } - - function cacheId(cachedTokens) { - var id = []; - for (var i = 0, l = cachedTokens.length; i < l; i++) { - id.push(serializeRules(cachedTokens[i][1])); - } - return id.join(ID_JOIN_CHARACTER); - } - - function tokensToMerge(sourceTokens) { - var uniqueTokensWithBody = []; - var mergeableTokens = []; - - for (var i = sourceTokens.length - 1; i >= 0; i--) { - if (!isMergeable( - serializeRules(sourceTokens[i][1]), - mergeablePseudoClasses, - mergeablePseudoElements, - multiplePseudoMerging - )) { - continue; - } - - mergeableTokens.unshift(sourceTokens[i]); - if (sourceTokens[i][2].length > 0 - && uniqueTokensWithBody.indexOf(sourceTokens[i]) == -1) { - uniqueTokensWithBody.push(sourceTokens[i]); - } - } - - return uniqueTokensWithBody.length > 1 - ? mergeableTokens - : []; - } - - function shortenIfPossible(position, movedProperty) { - var name = movedProperty[0]; - var value = movedProperty[1]; - var key = movedProperty[4]; - var valueSize = name.length + value.length + 1; - var allSelectors = []; - var qualifiedTokens = []; - - var mergeableTokens = tokensToMerge(movableTokens[key]); - if (mergeableTokens.length < 2) { return; } - - var allFits = findAllFits(mergeableTokens, valueSize, 1); - var bestFit = allFits[0]; - if (bestFit[1] > 0) { return sendToMultiPropertyMoveCache(position, movedProperty, allFits); } - - for (var i = bestFit[0].length - 1; i >= 0; i--) { - allSelectors = bestFit[0][i][1].concat(allSelectors); - qualifiedTokens.unshift(bestFit[0][i]); - } - - allSelectors = tidyRuleDuplicates(allSelectors); - dropAsNewTokenAt(position, [movedProperty], allSelectors, qualifiedTokens); - } - - function fitSorter(fit1, fit2) { - return fit1[1] > fit2[1] ? 1 : (fit1[1] == fit2[1] ? 0 : -1); - } - - function findAllFits(mergeableTokens, propertySize, propertiesCount) { - var combinations = allCombinations(mergeableTokens, propertySize, propertiesCount, maxCombinationsLevel - 1); - return combinations.sort(fitSorter); - } - - function allCombinations(tokensVariant, propertySize, propertiesCount, level) { - var differenceVariants = [[tokensVariant, sizeDifference(tokensVariant, propertySize, propertiesCount)]]; - if (tokensVariant.length > 2 && level > 0) { - for (var i = tokensVariant.length - 1; i >= 0; i--) { - var subVariant = Array.prototype.slice.call(tokensVariant, 0); - subVariant.splice(i, 1); - differenceVariants = differenceVariants.concat( - allCombinations(subVariant, propertySize, propertiesCount, level - 1) - ); - } - } - - return differenceVariants; - } - - function sizeDifference(tokensVariant, propertySize, propertiesCount) { - var allSelectorsSize = 0; - for (var i = tokensVariant.length - 1; i >= 0; i--) { - allSelectorsSize += tokensVariant[i][2].length > propertiesCount - ? serializeRules(tokensVariant[i][1]).length - : -1; - } - return allSelectorsSize - (tokensVariant.length - 1) * propertySize + 1; - } - - function dropAsNewTokenAt(position, properties, allSelectors, mergeableTokens) { - var i, j, k, m; - var allProperties = []; - - for (i = mergeableTokens.length - 1; i >= 0; i--) { - var mergeableToken = mergeableTokens[i]; - - for (j = mergeableToken[2].length - 1; j >= 0; j--) { - var mergeableProperty = mergeableToken[2][j]; - - for (k = 0, m = properties.length; k < m; k++) { - var property = properties[k]; - - var mergeablePropertyName = mergeableProperty[1][1]; - var propertyName = property[0]; - var propertyBody = property[4]; - if (mergeablePropertyName == propertyName && serializeBody([mergeableProperty]) == propertyBody) { - mergeableToken[2].splice(j, 1); - break; - } - } - } - } - - for (i = properties.length - 1; i >= 0; i--) { - allProperties.unshift(properties[i][3]); - } - - var newToken = [Token.RULE, allSelectors, allProperties]; - tokens.splice(position, 0, newToken); - } - - function dropPropertiesAt(position, movedProperty) { - var key = movedProperty[4]; - var toMove = movableTokens[key]; - - if (toMove && toMove.length > 1) { - if (!shortenMultiMovesIfPossible(position, movedProperty)) { shortenIfPossible(position, movedProperty); } - } - } - - function shortenMultiMovesIfPossible(position, movedProperty) { - var candidates = []; - var propertiesAndMergableTokens = []; - var key = movedProperty[4]; - var j, k; - - var mergeableTokens = tokensToMerge(movableTokens[key]); - if (mergeableTokens.length < 2) { return; } - - movableLoop: - for (var value in movableTokens) { - var tokensList = movableTokens[value]; - - for (j = mergeableTokens.length - 1; j >= 0; j--) { - if (tokensList.indexOf(mergeableTokens[j]) == -1) { continue movableLoop; } - } - - candidates.push(value); - } - - if (candidates.length < 2) { return false; } - - for (j = candidates.length - 1; j >= 0; j--) { - for (k = movedProperties.length - 1; k >= 0; k--) { - if (movedProperties[k][4] == candidates[j]) { - propertiesAndMergableTokens.unshift([movedProperties[k], mergeableTokens]); - break; - } - } - } - - return processMultiPropertyMove(position, propertiesAndMergableTokens); - } - - function processMultiPropertyMove(position, propertiesAndMergableTokens) { - var valueSize = 0; - var properties = []; - var property; - - for (var i = propertiesAndMergableTokens.length - 1; i >= 0; i--) { - property = propertiesAndMergableTokens[i][0]; - var fullValue = property[4]; - valueSize += fullValue.length + (i > 0 ? 1 : 0); - - properties.push(property); - } - - var mergeableTokens = propertiesAndMergableTokens[0][1]; - var bestFit = findAllFits(mergeableTokens, valueSize, properties.length)[0]; - if (bestFit[1] > 0) { return false; } - - var allSelectors = []; - var qualifiedTokens = []; - for (i = bestFit[0].length - 1; i >= 0; i--) { - allSelectors = bestFit[0][i][1].concat(allSelectors); - qualifiedTokens.unshift(bestFit[0][i]); - } - - allSelectors = tidyRuleDuplicates(allSelectors); - dropAsNewTokenAt(position, properties, allSelectors, qualifiedTokens); - - for (i = properties.length - 1; i >= 0; i--) { - property = properties[i]; - var index = movedProperties.indexOf(property); - - delete movableTokens[property[4]]; - - if (index > -1 && movedToBeDropped.indexOf(index) == -1) { movedToBeDropped.push(index); } - } - - return true; - } - - function boundToAnotherPropertyInCurrrentToken(property, movedProperty, token) { - var propertyName = property[0]; - var movedPropertyName = movedProperty[0]; - if (propertyName != movedPropertyName) { return false; } - - var key = movedProperty[4]; - var toMove = movableTokens[key]; - return toMove && toMove.indexOf(token) > -1; - } - - for (var i = tokens.length - 1; i >= 0; i--) { - var token = tokens[i]; - var isRule; - var j, k, m; - var samePropertyAt; - - if (token[0] == Token.RULE) { - isRule = true; - } else if (token[0] == Token.NESTED_BLOCK) { - isRule = false; - } else { - continue; - } - - // We cache movedProperties.length as it may change in the loop - var movedCount = movedProperties.length; - - var properties = extractProperties(token); - movedToBeDropped = []; - - var unmovableInCurrentToken = []; - for (j = properties.length - 1; j >= 0; j--) { - for (k = j - 1; k >= 0; k--) { - if (!canReorderSingle(properties[j], properties[k], specificityCache)) { - unmovableInCurrentToken.push(j); - break; - } - } - } - - for (j = properties.length - 1; j >= 0; j--) { - var property = properties[j]; - var movedSameProperty = false; - - for (k = 0; k < movedCount; k++) { - var movedProperty = movedProperties[k]; - - if (movedToBeDropped.indexOf(k) == -1 && ( - !canReorderSingle(property, movedProperty, specificityCache) - && !boundToAnotherPropertyInCurrrentToken(property, movedProperty, token) - || movableTokens[movedProperty[4]] && movableTokens[movedProperty[4]].length === mergeLimit) - ) { - dropPropertiesAt(i + 1, movedProperty); - - if (movedToBeDropped.indexOf(k) == -1) { - movedToBeDropped.push(k); - delete movableTokens[movedProperty[4]]; - } - } - - if (!movedSameProperty) { - movedSameProperty = property[0] == movedProperty[0] && property[1] == movedProperty[1]; - - if (movedSameProperty) { - samePropertyAt = k; - } - } - } - - if (!isRule || unmovableInCurrentToken.indexOf(j) > -1) { continue; } - - var key = property[4]; - - if (movedSameProperty && movedProperties[samePropertyAt][5].length + property[5].length > mergeLimit) { - dropPropertiesAt(i + 1, movedProperties[samePropertyAt]); - movedProperties.splice(samePropertyAt, 1); - movableTokens[key] = [token]; - movedSameProperty = false; - } else { - movableTokens[key] = movableTokens[key] || []; - movableTokens[key].push(token); - } - - if (movedSameProperty) { - movedProperties[samePropertyAt] = cloneAndMergeSelectors(movedProperties[samePropertyAt], property); - } else { - movedProperties.push(property); - } - } - - movedToBeDropped = movedToBeDropped.sort(naturalSorter); - for (j = 0, m = movedToBeDropped.length; j < m; j++) { - var dropAt = movedToBeDropped[j] - j; - movedProperties.splice(dropAt, 1); - } - } - - var position = tokens[0] && tokens[0][0] == Token.AT_RULE && tokens[0][1].indexOf('@charset') === 0 ? 1 : 0; - for (; position < tokens.length - 1; position++) { - var isImportRule = tokens[position][0] === Token.AT_RULE && tokens[position][1].indexOf('@import') === 0; - var isComment = tokens[position][0] === Token.COMMENT; - if (!(isImportRule || isComment)) { break; } - } - - for (i = 0; i < movedProperties.length; i++) { - dropPropertiesAt(position, movedProperties[i]); - } -} - -module.exports = restructure; diff --git a/node_modules/clean-css/lib/optimizer/level-2/rules-overlap.js b/node_modules/clean-css/lib/optimizer/level-2/rules-overlap.js deleted file mode 100644 index ed87c4ed..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/rules-overlap.js +++ /dev/null @@ -1,32 +0,0 @@ -var MODIFIER_PATTERN = /--.+$/; - -function rulesOverlap(rule1, rule2, bemMode) { - var scope1; - var scope2; - var i, l; - var j, m; - - for (i = 0, l = rule1.length; i < l; i++) { - scope1 = rule1[i][1]; - - for (j = 0, m = rule2.length; j < m; j++) { - scope2 = rule2[j][1]; - - if (scope1 == scope2) { - return true; - } - - if (bemMode && withoutModifiers(scope1) == withoutModifiers(scope2)) { - return true; - } - } - } - - return false; -} - -function withoutModifiers(scope) { - return scope.replace(MODIFIER_PATTERN, ''); -} - -module.exports = rulesOverlap; diff --git a/node_modules/clean-css/lib/optimizer/level-2/specificities-overlap.js b/node_modules/clean-css/lib/optimizer/level-2/specificities-overlap.js deleted file mode 100644 index f166d91a..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/specificities-overlap.js +++ /dev/null @@ -1,36 +0,0 @@ -var specificity = require('./specificity'); - -function specificitiesOverlap(selector1, selector2, cache) { - var specificity1; - var specificity2; - var i, l; - var j, m; - - for (i = 0, l = selector1.length; i < l; i++) { - specificity1 = findSpecificity(selector1[i][1], cache); - - for (j = 0, m = selector2.length; j < m; j++) { - specificity2 = findSpecificity(selector2[j][1], cache); - - if (specificity1[0] === specificity2[0] - && specificity1[1] === specificity2[1] - && specificity1[2] === specificity2[2]) { - return true; - } - } - } - - return false; -} - -function findSpecificity(selector, cache) { - var value; - - if (!(selector in cache)) { - cache[selector] = value = specificity(selector); - } - - return value || cache[selector]; -} - -module.exports = specificitiesOverlap; diff --git a/node_modules/clean-css/lib/optimizer/level-2/specificity.js b/node_modules/clean-css/lib/optimizer/level-2/specificity.js deleted file mode 100644 index 376290fd..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/specificity.js +++ /dev/null @@ -1,77 +0,0 @@ -var Marker = require('../../tokenizer/marker'); - -var Selector = { - ADJACENT_SIBLING: '+', - DESCENDANT: '>', - DOT: '.', - HASH: '#', - NON_ADJACENT_SIBLING: '~', - PSEUDO: ':' -}; - -var LETTER_PATTERN = /[a-zA-Z]/; -var NOT_PREFIX = ':not('; -var SEPARATOR_PATTERN = /[\s,(>~+]/; - -function specificity(selector) { - var result = [0, 0, 0]; - var character; - var isEscaped; - var isSingleQuoted; - var isDoubleQuoted; - var roundBracketLevel = 0; - var couldIntroduceNewTypeSelector; - var withinNotPseudoClass = false; - var wasPseudoClass = false; - var i, l; - - for (i = 0, l = selector.length; i < l; i++) { - character = selector[i]; - - if (isEscaped) { - // noop - } else if (character == Marker.SINGLE_QUOTE && !isDoubleQuoted && !isSingleQuoted) { - isSingleQuoted = true; - } else if (character == Marker.SINGLE_QUOTE && !isDoubleQuoted && isSingleQuoted) { - isSingleQuoted = false; - } else if (character == Marker.DOUBLE_QUOTE && !isDoubleQuoted && !isSingleQuoted) { - isDoubleQuoted = true; - } else if (character == Marker.DOUBLE_QUOTE && isDoubleQuoted && !isSingleQuoted) { - isDoubleQuoted = false; - } else if (isSingleQuoted || isDoubleQuoted) { - continue; - } else if (roundBracketLevel > 0 && !withinNotPseudoClass) { - // noop - } else if (character == Marker.OPEN_ROUND_BRACKET) { - roundBracketLevel++; - } else if (character == Marker.CLOSE_ROUND_BRACKET && roundBracketLevel == 1) { - roundBracketLevel--; - withinNotPseudoClass = false; - } else if (character == Marker.CLOSE_ROUND_BRACKET) { - roundBracketLevel--; - } else if (character == Selector.HASH) { - result[0]++; - } else if (character == Selector.DOT || character == Marker.OPEN_SQUARE_BRACKET) { - result[1]++; - } else if (character == Selector.PSEUDO && !wasPseudoClass && !isNotPseudoClass(selector, i)) { - result[1]++; - withinNotPseudoClass = false; - } else if (character == Selector.PSEUDO) { - withinNotPseudoClass = true; - } else if ((i === 0 || couldIntroduceNewTypeSelector) && LETTER_PATTERN.test(character)) { - result[2]++; - } - - isEscaped = character == Marker.BACK_SLASH; - wasPseudoClass = character == Selector.PSEUDO; - couldIntroduceNewTypeSelector = !isEscaped && SEPARATOR_PATTERN.test(character); - } - - return result; -} - -function isNotPseudoClass(selector, index) { - return selector.indexOf(NOT_PREFIX, index) === index; -} - -module.exports = specificity; diff --git a/node_modules/clean-css/lib/optimizer/level-2/tidy-rule-duplicates.js b/node_modules/clean-css/lib/optimizer/level-2/tidy-rule-duplicates.js deleted file mode 100644 index 30a9c217..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/tidy-rule-duplicates.js +++ /dev/null @@ -1,21 +0,0 @@ -function ruleSorter(s1, s2) { - return s1[1] > s2[1] ? 1 : -1; -} - -function tidyRuleDuplicates(rules) { - var list = []; - var repeated = []; - - for (var i = 0, l = rules.length; i < l; i++) { - var rule = rules[i]; - - if (repeated.indexOf(rule[1]) == -1) { - repeated.push(rule[1]); - list.push(rule); - } - } - - return list.sort(ruleSorter); -} - -module.exports = tidyRuleDuplicates; |