diff options
Diffstat (limited to 'node_modules/csso/cjs')
42 files changed, 0 insertions, 3414 deletions
diff --git a/node_modules/csso/cjs/clean/Atrule.cjs b/node_modules/csso/cjs/clean/Atrule.cjs deleted file mode 100644 index 22af87b6..00000000 --- a/node_modules/csso/cjs/clean/Atrule.cjs +++ /dev/null @@ -1,73 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const utils = require('./utils.cjs'); - -function cleanAtrule(node, item, list) { - if (node.block) { - // otherwise removed at-rule don't prevent @import for removal - if (this.stylesheet !== null) { - this.stylesheet.firstAtrulesAllowed = false; - } - - if (utils.hasNoChildren(node.block)) { - list.remove(item); - return; - } - } - - switch (node.name) { - case 'charset': - if (utils.hasNoChildren(node.prelude)) { - list.remove(item); - return; - } - - // if there is any rule before @charset -> remove it - if (item.prev) { - list.remove(item); - return; - } - - break; - - case 'import': - if (this.stylesheet === null || !this.stylesheet.firstAtrulesAllowed) { - list.remove(item); - return; - } - - // if there are some rules that not an @import or @charset before @import - // remove it - list.prevUntil(item.prev, function(rule) { - if (rule.type === 'Atrule') { - if (rule.name === 'import' || rule.name === 'charset') { - return; - } - } - - this.root.firstAtrulesAllowed = false; - list.remove(item); - - return true; - }, this); - - break; - - default: { - const name = cssTree.keyword(node.name).basename; - - if (name === 'keyframes' || - name === 'media' || - name === 'supports') { - - // drop at-rule with no prelude - if (utils.hasNoChildren(node.prelude) || utils.hasNoChildren(node.block)) { - list.remove(item); - } - } - } - } -} - -module.exports = cleanAtrule; diff --git a/node_modules/csso/cjs/clean/Comment.cjs b/node_modules/csso/cjs/clean/Comment.cjs deleted file mode 100644 index a76253e9..00000000 --- a/node_modules/csso/cjs/clean/Comment.cjs +++ /dev/null @@ -1,7 +0,0 @@ -'use strict'; - -function cleanComment(data, item, list) { - list.remove(item); -} - -module.exports = cleanComment; diff --git a/node_modules/csso/cjs/clean/Declaration.cjs b/node_modules/csso/cjs/clean/Declaration.cjs deleted file mode 100644 index 92a2afbf..00000000 --- a/node_modules/csso/cjs/clean/Declaration.cjs +++ /dev/null @@ -1,18 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); - -function cleanDeclartion(node, item, list) { - if (node.value.children && node.value.children.isEmpty) { - list.remove(item); - return; - } - - if (cssTree.property(node.property).custom) { - if (/\S/.test(node.value.value)) { - node.value.value = node.value.value.trim(); - } - } -} - -module.exports = cleanDeclartion; diff --git a/node_modules/csso/cjs/clean/Raw.cjs b/node_modules/csso/cjs/clean/Raw.cjs deleted file mode 100644 index 0286e198..00000000 --- a/node_modules/csso/cjs/clean/Raw.cjs +++ /dev/null @@ -1,13 +0,0 @@ -'use strict'; - -const utils = require('./utils.cjs'); - -function cleanRaw(node, item, list) { - // raw in stylesheet or block children - if (utils.isNodeChildrenList(this.stylesheet, list) || - utils.isNodeChildrenList(this.block, list)) { - list.remove(item); - } -} - -module.exports = cleanRaw; diff --git a/node_modules/csso/cjs/clean/Rule.cjs b/node_modules/csso/cjs/clean/Rule.cjs deleted file mode 100644 index 064bc7d7..00000000 --- a/node_modules/csso/cjs/clean/Rule.cjs +++ /dev/null @@ -1,104 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const utils = require('./utils.cjs'); - -const { hasOwnProperty } = Object.prototype; -const skipUsageFilteringAtrule = new Set(['keyframes']); - -function cleanUnused(selectorList, usageData) { - selectorList.children.forEach((selector, item, list) => { - let shouldRemove = false; - - cssTree.walk(selector, function(node) { - // ignore nodes in nested selectors - if (this.selector === null || this.selector === selectorList) { - switch (node.type) { - case 'SelectorList': - // TODO: remove toLowerCase when pseudo selectors will be normalized - // ignore selectors inside :not() - if (this.function === null || this.function.name.toLowerCase() !== 'not') { - if (cleanUnused(node, usageData)) { - shouldRemove = true; - } - } - break; - - case 'ClassSelector': - if (usageData.whitelist !== null && - usageData.whitelist.classes !== null && - !hasOwnProperty.call(usageData.whitelist.classes, node.name)) { - shouldRemove = true; - } - if (usageData.blacklist !== null && - usageData.blacklist.classes !== null && - hasOwnProperty.call(usageData.blacklist.classes, node.name)) { - shouldRemove = true; - } - break; - - case 'IdSelector': - if (usageData.whitelist !== null && - usageData.whitelist.ids !== null && - !hasOwnProperty.call(usageData.whitelist.ids, node.name)) { - shouldRemove = true; - } - if (usageData.blacklist !== null && - usageData.blacklist.ids !== null && - hasOwnProperty.call(usageData.blacklist.ids, node.name)) { - shouldRemove = true; - } - break; - - case 'TypeSelector': - // TODO: remove toLowerCase when type selectors will be normalized - // ignore universal selectors - if (node.name.charAt(node.name.length - 1) !== '*') { - if (usageData.whitelist !== null && - usageData.whitelist.tags !== null && - !hasOwnProperty.call(usageData.whitelist.tags, node.name.toLowerCase())) { - shouldRemove = true; - } - if (usageData.blacklist !== null && - usageData.blacklist.tags !== null && - hasOwnProperty.call(usageData.blacklist.tags, node.name.toLowerCase())) { - shouldRemove = true; - } - } - break; - } - } - }); - - if (shouldRemove) { - list.remove(item); - } - }); - - return selectorList.children.isEmpty; -} - -function cleanRule(node, item, list, options) { - if (utils.hasNoChildren(node.prelude) || utils.hasNoChildren(node.block)) { - list.remove(item); - return; - } - - // avoid usage filtering for some at-rules - if (this.atrule && skipUsageFilteringAtrule.has(cssTree.keyword(this.atrule.name).basename)) { - return; - } - - const { usage } = options; - - if (usage && (usage.whitelist !== null || usage.blacklist !== null)) { - cleanUnused(node.prelude, usage); - - if (utils.hasNoChildren(node.prelude)) { - list.remove(item); - return; - } - } -} - -module.exports = cleanRule; diff --git a/node_modules/csso/cjs/clean/TypeSelector.cjs b/node_modules/csso/cjs/clean/TypeSelector.cjs deleted file mode 100644 index 2c6f46a1..00000000 --- a/node_modules/csso/cjs/clean/TypeSelector.cjs +++ /dev/null @@ -1,23 +0,0 @@ -'use strict'; - -// remove useless universal selector -function cleanTypeSelector(node, item, list) { - const name = item.data.name; - - // check it's a non-namespaced universal selector - if (name !== '*') { - return; - } - - // remove when universal selector before other selectors - const nextType = item.next && item.next.data.type; - if (nextType === 'IdSelector' || - nextType === 'ClassSelector' || - nextType === 'AttributeSelector' || - nextType === 'PseudoClassSelector' || - nextType === 'PseudoElementSelector') { - list.remove(item); - } -} - -module.exports = cleanTypeSelector; diff --git a/node_modules/csso/cjs/clean/WhiteSpace.cjs b/node_modules/csso/cjs/clean/WhiteSpace.cjs deleted file mode 100644 index c045ed1f..00000000 --- a/node_modules/csso/cjs/clean/WhiteSpace.cjs +++ /dev/null @@ -1,7 +0,0 @@ -'use strict'; - -function cleanWhitespace(node, item, list) { - list.remove(item); -} - -module.exports = cleanWhitespace; diff --git a/node_modules/csso/cjs/clean/index.cjs b/node_modules/csso/cjs/clean/index.cjs deleted file mode 100644 index ba7b25a1..00000000 --- a/node_modules/csso/cjs/clean/index.cjs +++ /dev/null @@ -1,32 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const Atrule = require('./Atrule.cjs'); -const Comment = require('./Comment.cjs'); -const Declaration = require('./Declaration.cjs'); -const Raw = require('./Raw.cjs'); -const Rule = require('./Rule.cjs'); -const TypeSelector = require('./TypeSelector.cjs'); -const WhiteSpace = require('./WhiteSpace.cjs'); - -const handlers = { - Atrule, - Comment, - Declaration, - Raw, - Rule, - TypeSelector, - WhiteSpace -}; - -function clean(ast, options) { - cssTree.walk(ast, { - leave(node, item, list) { - if (handlers.hasOwnProperty(node.type)) { - handlers[node.type].call(this, node, item, list, options); - } - } - }); -} - -module.exports = clean; diff --git a/node_modules/csso/cjs/clean/utils.cjs b/node_modules/csso/cjs/clean/utils.cjs deleted file mode 100644 index 8d3260f7..00000000 --- a/node_modules/csso/cjs/clean/utils.cjs +++ /dev/null @@ -1,12 +0,0 @@ -'use strict'; - -function hasNoChildren(node) { - return !node || !node.children || node.children.isEmpty; -} - -function isNodeChildrenList(node, list) { - return node !== null && node.children === list; -} - -exports.hasNoChildren = hasNoChildren; -exports.isNodeChildrenList = isNodeChildrenList; diff --git a/node_modules/csso/cjs/compress.cjs b/node_modules/csso/cjs/compress.cjs deleted file mode 100644 index 1a224e2e..00000000 --- a/node_modules/csso/cjs/compress.cjs +++ /dev/null @@ -1,200 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const usage = require('./usage.cjs'); -const index = require('./clean/index.cjs'); -const index$1 = require('./replace/index.cjs'); -const index$2 = require('./restructure/index.cjs'); - -function readChunk(input, specialComments) { - const children = new cssTree.List(); - let nonSpaceTokenInBuffer = false; - let protectedComment; - - input.nextUntil(input.head, (node, item, list) => { - if (node.type === 'Comment') { - if (!specialComments || node.value.charAt(0) !== '!') { - list.remove(item); - return; - } - - if (nonSpaceTokenInBuffer || protectedComment) { - return true; - } - - list.remove(item); - protectedComment = node; - - return; - } - - if (node.type !== 'WhiteSpace') { - nonSpaceTokenInBuffer = true; - } - - children.insert(list.remove(item)); - }); - - return { - comment: protectedComment, - stylesheet: { - type: 'StyleSheet', - loc: null, - children - } - }; -} - -function compressChunk(ast, firstAtrulesAllowed, num, options) { - options.logger(`Compress block #${num}`, null, true); - - let seed = 1; - - if (ast.type === 'StyleSheet') { - ast.firstAtrulesAllowed = firstAtrulesAllowed; - ast.id = seed++; - } - - cssTree.walk(ast, { - visit: 'Atrule', - enter(node) { - if (node.block !== null) { - node.block.id = seed++; - } - } - }); - options.logger('init', ast); - - // remove redundant - index(ast, options); - options.logger('clean', ast); - - // replace nodes for shortened forms - index$1(ast); - options.logger('replace', ast); - - // structure optimisations - if (options.restructuring) { - index$2(ast, options); - } - - return ast; -} - -function getCommentsOption(options) { - let comments = 'comments' in options ? options.comments : 'exclamation'; - - if (typeof comments === 'boolean') { - comments = comments ? 'exclamation' : false; - } else if (comments !== 'exclamation' && comments !== 'first-exclamation') { - comments = false; - } - - return comments; -} - -function getRestructureOption(options) { - if ('restructure' in options) { - return options.restructure; - } - - return 'restructuring' in options ? options.restructuring : true; -} - -function wrapBlock(block) { - return new cssTree.List().appendData({ - type: 'Rule', - loc: null, - prelude: { - type: 'SelectorList', - loc: null, - children: new cssTree.List().appendData({ - type: 'Selector', - loc: null, - children: new cssTree.List().appendData({ - type: 'TypeSelector', - loc: null, - name: 'x' - }) - }) - }, - block - }); -} - -function compress(ast, options) { - ast = ast || { type: 'StyleSheet', loc: null, children: new cssTree.List() }; - options = options || {}; - - const compressOptions = { - logger: typeof options.logger === 'function' ? options.logger : function() {}, - restructuring: getRestructureOption(options), - forceMediaMerge: Boolean(options.forceMediaMerge), - usage: options.usage ? usage.buildIndex(options.usage) : false - }; - const output = new cssTree.List(); - let specialComments = getCommentsOption(options); - let firstAtrulesAllowed = true; - let input; - let chunk; - let chunkNum = 1; - let chunkChildren; - - if (options.clone) { - ast = cssTree.clone(ast); - } - - if (ast.type === 'StyleSheet') { - input = ast.children; - ast.children = output; - } else { - input = wrapBlock(ast); - } - - do { - chunk = readChunk(input, Boolean(specialComments)); - compressChunk(chunk.stylesheet, firstAtrulesAllowed, chunkNum++, compressOptions); - chunkChildren = chunk.stylesheet.children; - - if (chunk.comment) { - // add \n before comment if there is another content in output - if (!output.isEmpty) { - output.insert(cssTree.List.createItem({ - type: 'Raw', - value: '\n' - })); - } - - output.insert(cssTree.List.createItem(chunk.comment)); - - // add \n after comment if chunk is not empty - if (!chunkChildren.isEmpty) { - output.insert(cssTree.List.createItem({ - type: 'Raw', - value: '\n' - })); - } - } - - if (firstAtrulesAllowed && !chunkChildren.isEmpty) { - const lastRule = chunkChildren.last; - - if (lastRule.type !== 'Atrule' || - (lastRule.name !== 'import' && lastRule.name !== 'charset')) { - firstAtrulesAllowed = false; - } - } - - if (specialComments !== 'exclamation') { - specialComments = false; - } - - output.appendList(chunkChildren); - } while (!input.isEmpty); - - return { - ast - }; -} - -module.exports = compress; diff --git a/node_modules/csso/cjs/index.cjs b/node_modules/csso/cjs/index.cjs deleted file mode 100644 index 5bcb9d18..00000000 --- a/node_modules/csso/cjs/index.cjs +++ /dev/null @@ -1,127 +0,0 @@ -'use strict'; - -const version = require('./version.cjs'); -const syntax = require('./syntax.cjs'); -const utils = require('./utils.cjs'); - -const { parse, generate, compress } = syntax; - -function debugOutput(name, options, startTime, data) { - if (options.debug) { - console.error(`## ${name} done in %d ms\n`, Date.now() - startTime); - } - - return data; -} - -function createDefaultLogger(level) { - let lastDebug; - - return function logger(title, ast) { - let line = title; - - if (ast) { - line = `[${((Date.now() - lastDebug) / 1000).toFixed(3)}s] ${line}`; - } - - if (level > 1 && ast) { - let css = generate(ast); - - // when level 2, limit css to 256 symbols - if (level === 2 && css.length > 256) { - css = css.substr(0, 256) + '...'; - } - - line += `\n ${css}\n`; - } - - console.error(line); - lastDebug = Date.now(); - }; -} - -function buildCompressOptions(options) { - options = { ...options }; - - if (typeof options.logger !== 'function' && options.debug) { - options.logger = createDefaultLogger(options.debug); - } - - return options; -} - -function runHandler(ast, options, handlers) { - if (!Array.isArray(handlers)) { - handlers = [handlers]; - } - - handlers.forEach(fn => fn(ast, options)); -} - -function minify(context, source, options) { - options = options || {}; - - const filename = options.filename || '<unknown>'; - let result; - - // parse - const ast = debugOutput('parsing', options, Date.now(), - parse(source, { - context, - filename, - positions: Boolean(options.sourceMap) - }) - ); - - // before compress handlers - if (options.beforeCompress) { - debugOutput('beforeCompress', options, Date.now(), - runHandler(ast, options, options.beforeCompress) - ); - } - - // compress - const compressResult = debugOutput('compress', options, Date.now(), - compress(ast, buildCompressOptions(options)) - ); - - // after compress handlers - if (options.afterCompress) { - debugOutput('afterCompress', options, Date.now(), - runHandler(compressResult, options, options.afterCompress) - ); - } - - // generate - if (options.sourceMap) { - result = debugOutput('generate(sourceMap: true)', options, Date.now(), (() => { - const tmp = generate(compressResult.ast, { sourceMap: true }); - - tmp.map._file = filename; // since other tools can relay on file in source map transform chain - tmp.map.setSourceContent(filename, source); - - return tmp; - })()); - } else { - result = debugOutput('generate', options, Date.now(), { - css: generate(compressResult.ast), - map: null - }); - } - - return result; -} - -function minifyStylesheet(source, options) { - return minify('stylesheet', source, options); -} - -function minifyBlock(source, options) { - return minify('declarationList', source, options); -} - -exports.version = version.version; -exports.syntax = syntax; -exports.utils = utils; -exports.minify = minifyStylesheet; -exports.minifyBlock = minifyBlock; diff --git a/node_modules/csso/cjs/replace/Atrule.cjs b/node_modules/csso/cjs/replace/Atrule.cjs deleted file mode 100644 index 1843bcde..00000000 --- a/node_modules/csso/cjs/replace/Atrule.cjs +++ /dev/null @@ -1,13 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const keyframes = require('./atrule/keyframes.cjs'); - -function Atrule(node) { - // compress @keyframe selectors - if (cssTree.keyword(node.name).basename === 'keyframes') { - keyframes(node); - } -} - -module.exports = Atrule; diff --git a/node_modules/csso/cjs/replace/AttributeSelector.cjs b/node_modules/csso/cjs/replace/AttributeSelector.cjs deleted file mode 100644 index f06724fc..00000000 --- a/node_modules/csso/cjs/replace/AttributeSelector.cjs +++ /dev/null @@ -1,32 +0,0 @@ -'use strict'; - -// Can unquote attribute detection -// Adopted implementation of Mathias Bynens -// https://github.com/mathiasbynens/mothereff.in/blob/master/unquoted-attributes/eff.js -const blockUnquoteRx = /^(-?\d|--)|[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/; - -function canUnquote(value) { - if (value === '' || value === '-') { - return false; - } - - return !blockUnquoteRx.test(value); -} - -function AttributeSelector(node) { - const attrValue = node.value; - - if (!attrValue || attrValue.type !== 'String') { - return; - } - - if (canUnquote(attrValue.value)) { - node.value = { - type: 'Identifier', - loc: attrValue.loc, - name: attrValue.value - }; - } -} - -module.exports = AttributeSelector; diff --git a/node_modules/csso/cjs/replace/Dimension.cjs b/node_modules/csso/cjs/replace/Dimension.cjs deleted file mode 100644 index 20ad193c..00000000 --- a/node_modules/csso/cjs/replace/Dimension.cjs +++ /dev/null @@ -1,67 +0,0 @@ -'use strict'; - -const _Number = require('./Number.cjs'); - -const MATH_FUNCTIONS = new Set([ - 'calc', - 'min', - 'max', - 'clamp' -]); -const LENGTH_UNIT = new Set([ - // absolute length units - 'px', - 'mm', - 'cm', - 'in', - 'pt', - 'pc', - - // relative length units - 'em', - 'ex', - 'ch', - 'rem', - - // viewport-percentage lengths - 'vh', - 'vw', - 'vmin', - 'vmax', - 'vm' -]); - -function compressDimension(node, item) { - const value = _Number.packNumber(node.value); - - node.value = value; - - if (value === '0' && this.declaration !== null && this.atrulePrelude === null) { - const unit = node.unit.toLowerCase(); - - // only length values can be compressed - if (!LENGTH_UNIT.has(unit)) { - return; - } - - // issue #362: shouldn't remove unit in -ms-flex since it breaks flex in IE10/11 - // issue #200: shouldn't remove unit in flex since it breaks flex in IE10/11 - if (this.declaration.property === '-ms-flex' || - this.declaration.property === 'flex') { - return; - } - - // issue #222: don't remove units inside calc - if (this.function && MATH_FUNCTIONS.has(this.function.name)) { - return; - } - - item.data = { - type: 'Number', - loc: node.loc, - value - }; - } -} - -module.exports = compressDimension; diff --git a/node_modules/csso/cjs/replace/Number.cjs b/node_modules/csso/cjs/replace/Number.cjs deleted file mode 100644 index d85d6b52..00000000 --- a/node_modules/csso/cjs/replace/Number.cjs +++ /dev/null @@ -1,45 +0,0 @@ -'use strict'; - -const OMIT_PLUSSIGN = /^(?:\+|(-))?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/; -const KEEP_PLUSSIGN = /^([\+\-])?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/; -const unsafeToRemovePlusSignAfter = new Set([ - 'Dimension', - 'Hash', - 'Identifier', - 'Number', - 'Raw', - 'UnicodeRange' -]); - -function packNumber(value, item) { - // omit plus sign only if no prev or prev is safe type - const regexp = item && item.prev !== null && unsafeToRemovePlusSignAfter.has(item.prev.data.type) - ? KEEP_PLUSSIGN - : OMIT_PLUSSIGN; - - // 100 -> '100' - // 00100 -> '100' - // +100 -> '100' - // -100 -> '-100' - // 0.123 -> '.123' - // 0.12300 -> '.123' - // 0.0 -> '' - // 0 -> '' - // -0 -> '-' - value = String(value).replace(regexp, '$1$2$3'); - - if (value === '' || value === '-') { - value = '0'; - } - // FIXME: is it solution simplier? - // value = String(Number(value)).replace(/^(-?)0+\./, '$1.'); - - return value; -} - -function Number(node) { - node.value = packNumber(node.value); -} - -exports.Number = Number; -exports.packNumber = packNumber; diff --git a/node_modules/csso/cjs/replace/Percentage.cjs b/node_modules/csso/cjs/replace/Percentage.cjs deleted file mode 100644 index 46829981..00000000 --- a/node_modules/csso/cjs/replace/Percentage.cjs +++ /dev/null @@ -1,41 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const _Number = require('./Number.cjs'); - -const blacklist = new Set([ - // see https://github.com/jakubpawlowicz/clean-css/issues/957 - 'width', - 'min-width', - 'max-width', - 'height', - 'min-height', - 'max-height', - - // issue #410: Don’t remove units in flex-basis value for (-ms-)flex shorthand - // issue #362: shouldn't remove unit in -ms-flex since it breaks flex in IE10/11 - // issue #200: shouldn't remove unit in flex since it breaks flex in IE10/11 - 'flex', - '-ms-flex' -]); - -function compressPercentage(node, item) { - node.value = _Number.packNumber(node.value); - - if (node.value === '0' && this.declaration && !blacklist.has(this.declaration.property)) { - // try to convert a number - item.data = { - type: 'Number', - loc: node.loc, - value: node.value - }; - - // that's ok only when new value matches on length - if (!cssTree.lexer.matchDeclaration(this.declaration).isType(item.data, 'length')) { - // otherwise rollback changes - item.data = node; - } - } -} - -module.exports = compressPercentage; diff --git a/node_modules/csso/cjs/replace/Url.cjs b/node_modules/csso/cjs/replace/Url.cjs deleted file mode 100644 index 20734a2d..00000000 --- a/node_modules/csso/cjs/replace/Url.cjs +++ /dev/null @@ -1,8 +0,0 @@ -'use strict'; - -function Url(node) { - // convert `\\` to `/` - node.value = node.value.replace(/\\/g, '/'); -} - -module.exports = Url; diff --git a/node_modules/csso/cjs/replace/Value.cjs b/node_modules/csso/cjs/replace/Value.cjs deleted file mode 100644 index 8979bdc0..00000000 --- a/node_modules/csso/cjs/replace/Value.cjs +++ /dev/null @@ -1,29 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const font = require('./property/font.cjs'); -const fontWeight = require('./property/font-weight.cjs'); -const background = require('./property/background.cjs'); -const border = require('./property/border.cjs'); - -const handlers = { - 'font': font, - 'font-weight': fontWeight, - 'background': background, - 'border': border, - 'outline': border -}; - -function compressValue(node) { - if (!this.declaration) { - return; - } - - const property = cssTree.property(this.declaration.property); - - if (handlers.hasOwnProperty(property.basename)) { - handlers[property.basename](node); - } -} - -module.exports = compressValue; diff --git a/node_modules/csso/cjs/replace/atrule/keyframes.cjs b/node_modules/csso/cjs/replace/atrule/keyframes.cjs deleted file mode 100644 index d5181a7d..00000000 --- a/node_modules/csso/cjs/replace/atrule/keyframes.cjs +++ /dev/null @@ -1,25 +0,0 @@ -'use strict'; - -function compressKeyframes(node) { - node.block.children.forEach((rule) => { - rule.prelude.children.forEach((simpleselector) => { - simpleselector.children.forEach((data, item) => { - if (data.type === 'Percentage' && data.value === '100') { - item.data = { - type: 'TypeSelector', - loc: data.loc, - name: 'to' - }; - } else if (data.type === 'TypeSelector' && data.name === 'from') { - item.data = { - type: 'Percentage', - loc: data.loc, - value: '0' - }; - } - }); - }); - }); -} - -module.exports = compressKeyframes; diff --git a/node_modules/csso/cjs/replace/color.cjs b/node_modules/csso/cjs/replace/color.cjs deleted file mode 100644 index 94978cbd..00000000 --- a/node_modules/csso/cjs/replace/color.cjs +++ /dev/null @@ -1,504 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const _Number = require('./Number.cjs'); - -// http://www.w3.org/TR/css3-color/#svg-color -const NAME_TO_HEX = { - 'aliceblue': 'f0f8ff', - 'antiquewhite': 'faebd7', - 'aqua': '0ff', - 'aquamarine': '7fffd4', - 'azure': 'f0ffff', - 'beige': 'f5f5dc', - 'bisque': 'ffe4c4', - 'black': '000', - 'blanchedalmond': 'ffebcd', - 'blue': '00f', - 'blueviolet': '8a2be2', - 'brown': 'a52a2a', - 'burlywood': 'deb887', - 'cadetblue': '5f9ea0', - 'chartreuse': '7fff00', - 'chocolate': 'd2691e', - 'coral': 'ff7f50', - 'cornflowerblue': '6495ed', - 'cornsilk': 'fff8dc', - 'crimson': 'dc143c', - 'cyan': '0ff', - 'darkblue': '00008b', - 'darkcyan': '008b8b', - 'darkgoldenrod': 'b8860b', - 'darkgray': 'a9a9a9', - 'darkgrey': 'a9a9a9', - 'darkgreen': '006400', - 'darkkhaki': 'bdb76b', - 'darkmagenta': '8b008b', - 'darkolivegreen': '556b2f', - 'darkorange': 'ff8c00', - 'darkorchid': '9932cc', - 'darkred': '8b0000', - 'darksalmon': 'e9967a', - 'darkseagreen': '8fbc8f', - 'darkslateblue': '483d8b', - 'darkslategray': '2f4f4f', - 'darkslategrey': '2f4f4f', - 'darkturquoise': '00ced1', - 'darkviolet': '9400d3', - 'deeppink': 'ff1493', - 'deepskyblue': '00bfff', - 'dimgray': '696969', - 'dimgrey': '696969', - 'dodgerblue': '1e90ff', - 'firebrick': 'b22222', - 'floralwhite': 'fffaf0', - 'forestgreen': '228b22', - 'fuchsia': 'f0f', - 'gainsboro': 'dcdcdc', - 'ghostwhite': 'f8f8ff', - 'gold': 'ffd700', - 'goldenrod': 'daa520', - 'gray': '808080', - 'grey': '808080', - 'green': '008000', - 'greenyellow': 'adff2f', - 'honeydew': 'f0fff0', - 'hotpink': 'ff69b4', - 'indianred': 'cd5c5c', - 'indigo': '4b0082', - 'ivory': 'fffff0', - 'khaki': 'f0e68c', - 'lavender': 'e6e6fa', - 'lavenderblush': 'fff0f5', - 'lawngreen': '7cfc00', - 'lemonchiffon': 'fffacd', - 'lightblue': 'add8e6', - 'lightcoral': 'f08080', - 'lightcyan': 'e0ffff', - 'lightgoldenrodyellow': 'fafad2', - 'lightgray': 'd3d3d3', - 'lightgrey': 'd3d3d3', - 'lightgreen': '90ee90', - 'lightpink': 'ffb6c1', - 'lightsalmon': 'ffa07a', - 'lightseagreen': '20b2aa', - 'lightskyblue': '87cefa', - 'lightslategray': '789', - 'lightslategrey': '789', - 'lightsteelblue': 'b0c4de', - 'lightyellow': 'ffffe0', - 'lime': '0f0', - 'limegreen': '32cd32', - 'linen': 'faf0e6', - 'magenta': 'f0f', - 'maroon': '800000', - 'mediumaquamarine': '66cdaa', - 'mediumblue': '0000cd', - 'mediumorchid': 'ba55d3', - 'mediumpurple': '9370db', - 'mediumseagreen': '3cb371', - 'mediumslateblue': '7b68ee', - 'mediumspringgreen': '00fa9a', - 'mediumturquoise': '48d1cc', - 'mediumvioletred': 'c71585', - 'midnightblue': '191970', - 'mintcream': 'f5fffa', - 'mistyrose': 'ffe4e1', - 'moccasin': 'ffe4b5', - 'navajowhite': 'ffdead', - 'navy': '000080', - 'oldlace': 'fdf5e6', - 'olive': '808000', - 'olivedrab': '6b8e23', - 'orange': 'ffa500', - 'orangered': 'ff4500', - 'orchid': 'da70d6', - 'palegoldenrod': 'eee8aa', - 'palegreen': '98fb98', - 'paleturquoise': 'afeeee', - 'palevioletred': 'db7093', - 'papayawhip': 'ffefd5', - 'peachpuff': 'ffdab9', - 'peru': 'cd853f', - 'pink': 'ffc0cb', - 'plum': 'dda0dd', - 'powderblue': 'b0e0e6', - 'purple': '800080', - 'rebeccapurple': '639', - 'red': 'f00', - 'rosybrown': 'bc8f8f', - 'royalblue': '4169e1', - 'saddlebrown': '8b4513', - 'salmon': 'fa8072', - 'sandybrown': 'f4a460', - 'seagreen': '2e8b57', - 'seashell': 'fff5ee', - 'sienna': 'a0522d', - 'silver': 'c0c0c0', - 'skyblue': '87ceeb', - 'slateblue': '6a5acd', - 'slategray': '708090', - 'slategrey': '708090', - 'snow': 'fffafa', - 'springgreen': '00ff7f', - 'steelblue': '4682b4', - 'tan': 'd2b48c', - 'teal': '008080', - 'thistle': 'd8bfd8', - 'tomato': 'ff6347', - 'turquoise': '40e0d0', - 'violet': 'ee82ee', - 'wheat': 'f5deb3', - 'white': 'fff', - 'whitesmoke': 'f5f5f5', - 'yellow': 'ff0', - 'yellowgreen': '9acd32' -}; - -const HEX_TO_NAME = { - '800000': 'maroon', - '800080': 'purple', - '808000': 'olive', - '808080': 'gray', - '00ffff': 'cyan', - 'f0ffff': 'azure', - 'f5f5dc': 'beige', - 'ffe4c4': 'bisque', - '000000': 'black', - '0000ff': 'blue', - 'a52a2a': 'brown', - 'ff7f50': 'coral', - 'ffd700': 'gold', - '008000': 'green', - '4b0082': 'indigo', - 'fffff0': 'ivory', - 'f0e68c': 'khaki', - '00ff00': 'lime', - 'faf0e6': 'linen', - '000080': 'navy', - 'ffa500': 'orange', - 'da70d6': 'orchid', - 'cd853f': 'peru', - 'ffc0cb': 'pink', - 'dda0dd': 'plum', - 'f00': 'red', - 'ff0000': 'red', - 'fa8072': 'salmon', - 'a0522d': 'sienna', - 'c0c0c0': 'silver', - 'fffafa': 'snow', - 'd2b48c': 'tan', - '008080': 'teal', - 'ff6347': 'tomato', - 'ee82ee': 'violet', - 'f5deb3': 'wheat', - 'ffffff': 'white', - 'ffff00': 'yellow' -}; - -function hueToRgb(p, q, t) { - if (t < 0) { - t += 1; - } - if (t > 1) { - t -= 1; - } - if (t < 1 / 6) { - return p + (q - p) * 6 * t; - } - if (t < 1 / 2) { - return q; - } - if (t < 2 / 3) { - return p + (q - p) * (2 / 3 - t) * 6; - } - return p; -} - -function hslToRgb(h, s, l, a) { - let r; - let g; - let b; - - if (s === 0) { - r = g = b = l; // achromatic - } else { - const q = l < 0.5 ? l * (1 + s) : l + s - l * s; - const p = 2 * l - q; - - r = hueToRgb(p, q, h + 1 / 3); - g = hueToRgb(p, q, h); - b = hueToRgb(p, q, h - 1 / 3); - } - - return [ - Math.round(r * 255), - Math.round(g * 255), - Math.round(b * 255), - a - ]; -} - -function toHex(value) { - value = value.toString(16); - - return value.length === 1 ? '0' + value : value; -} - -function parseFunctionArgs(functionArgs, count, rgb) { - let cursor = functionArgs.head; - let args = []; - let wasValue = false; - - while (cursor !== null) { - const { type, value } = cursor.data; - - switch (type) { - case 'Number': - case 'Percentage': - if (wasValue) { - return; - } - - wasValue = true; - args.push({ - type, - value: Number(value) - }); - - break; - - case 'Operator': - if (value === ',') { - if (!wasValue) { - return; - } - wasValue = false; - } else if (wasValue || value !== '+') { - return; - } - - break; - - default: - // something we couldn't understand - return; - } - - cursor = cursor.next; - } - - if (args.length !== count) { - // invalid arguments count - // TODO: remove those tokens - return; - } - - if (args.length === 4) { - if (args[3].type !== 'Number') { - // 4th argument should be a number - // TODO: remove those tokens - return; - } - - args[3].type = 'Alpha'; - } - - if (rgb) { - if (args[0].type !== args[1].type || args[0].type !== args[2].type) { - // invalid color, numbers and percentage shouldn't be mixed - // TODO: remove those tokens - return; - } - } else { - if (args[0].type !== 'Number' || - args[1].type !== 'Percentage' || - args[2].type !== 'Percentage') { - // invalid color, for hsl values should be: number, percentage, percentage - // TODO: remove those tokens - return; - } - - args[0].type = 'Angle'; - } - - return args.map(function(arg) { - let value = Math.max(0, arg.value); - - switch (arg.type) { - case 'Number': - // fit value to [0..255] range - value = Math.min(value, 255); - break; - - case 'Percentage': - // convert 0..100% to value in [0..255] range - value = Math.min(value, 100) / 100; - - if (!rgb) { - return value; - } - - value = 255 * value; - break; - - case 'Angle': - // fit value to (-360..360) range - return (((value % 360) + 360) % 360) / 360; - - case 'Alpha': - // fit value to [0..1] range - return Math.min(value, 1); - } - - return Math.round(value); - }); -} - -function compressFunction(node, item) { - let functionName = node.name; - let args; - - if (functionName === 'rgba' || functionName === 'hsla') { - args = parseFunctionArgs(node.children, 4, functionName === 'rgba'); - - if (!args) { - // something went wrong - return; - } - - if (functionName === 'hsla') { - args = hslToRgb(...args); - node.name = 'rgba'; - } - - if (args[3] === 0) { - // try to replace `rgba(x, x, x, 0)` to `transparent` - // always replace `rgba(0, 0, 0, 0)` to `transparent` - // otherwise avoid replacement in gradients since it may break color transition - // http://stackoverflow.com/questions/11829410/css3-gradient-rendering-issues-from-transparent-to-white - const scopeFunctionName = this.function && this.function.name; - - if ((args[0] === 0 && args[1] === 0 && args[2] === 0) || - !/^(?:to|from|color-stop)$|gradient$/i.test(scopeFunctionName)) { - - item.data = { - type: 'Identifier', - loc: node.loc, - name: 'transparent' - }; - - return; - } - } - - if (args[3] !== 1) { - // replace argument values for normalized/interpolated - node.children.forEach((node, item, list) => { - if (node.type === 'Operator') { - if (node.value !== ',') { - list.remove(item); - } - return; - } - - item.data = { - type: 'Number', - loc: node.loc, - value: _Number.packNumber(args.shift()) - }; - }); - - return; - } - - // otherwise convert to rgb, i.e. rgba(255, 0, 0, 1) -> rgb(255, 0, 0) - functionName = 'rgb'; - } - - if (functionName === 'hsl') { - args = args || parseFunctionArgs(node.children, 3, false); - - if (!args) { - // something went wrong - return; - } - - // convert to rgb - args = hslToRgb(...args); - functionName = 'rgb'; - } - - if (functionName === 'rgb') { - args = args || parseFunctionArgs(node.children, 3, true); - - if (!args) { - // something went wrong - return; - } - - item.data = { - type: 'Hash', - loc: node.loc, - value: toHex(args[0]) + toHex(args[1]) + toHex(args[2]) - }; - - compressHex(item.data, item); - } -} - -function compressIdent(node, item) { - if (this.declaration === null) { - return; - } - - let color = node.name.toLowerCase(); - - if (NAME_TO_HEX.hasOwnProperty(color) && - cssTree.lexer.matchDeclaration(this.declaration).isType(node, 'color')) { - const hex = NAME_TO_HEX[color]; - - if (hex.length + 1 <= color.length) { - // replace for shorter hex value - item.data = { - type: 'Hash', - loc: node.loc, - value: hex - }; - } else { - // special case for consistent colors - if (color === 'grey') { - color = 'gray'; - } - - // just replace value for lower cased name - node.name = color; - } - } -} - -function compressHex(node, item) { - let color = node.value.toLowerCase(); - - // #112233 -> #123 - if (color.length === 6 && - color[0] === color[1] && - color[2] === color[3] && - color[4] === color[5]) { - color = color[0] + color[2] + color[4]; - } - - if (HEX_TO_NAME[color]) { - item.data = { - type: 'Identifier', - loc: node.loc, - name: HEX_TO_NAME[color] - }; - } else { - node.value = color; - } -} - -exports.compressFunction = compressFunction; -exports.compressHex = compressHex; -exports.compressIdent = compressIdent; diff --git a/node_modules/csso/cjs/replace/index.cjs b/node_modules/csso/cjs/replace/index.cjs deleted file mode 100644 index 59bdf476..00000000 --- a/node_modules/csso/cjs/replace/index.cjs +++ /dev/null @@ -1,36 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const Atrule = require('./Atrule.cjs'); -const AttributeSelector = require('./AttributeSelector.cjs'); -const Value = require('./Value.cjs'); -const Dimension = require('./Dimension.cjs'); -const Percentage = require('./Percentage.cjs'); -const _Number = require('./Number.cjs'); -const Url = require('./Url.cjs'); -const color = require('./color.cjs'); - -const handlers = { - Atrule, - AttributeSelector, - Value, - Dimension, - Percentage, - Number: _Number.Number, - Url, - Hash: color.compressHex, - Identifier: color.compressIdent, - Function: color.compressFunction -}; - -function replace(ast) { - cssTree.walk(ast, { - leave(node, item, list) { - if (handlers.hasOwnProperty(node.type)) { - handlers[node.type].call(this, node, item, list); - } - } - }); -} - -module.exports = replace; diff --git a/node_modules/csso/cjs/replace/property/background.cjs b/node_modules/csso/cjs/replace/property/background.cjs deleted file mode 100644 index fd407809..00000000 --- a/node_modules/csso/cjs/replace/property/background.cjs +++ /dev/null @@ -1,54 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); - -function compressBackground(node) { - function flush() { - if (!buffer.length) { - buffer.unshift( - { - type: 'Number', - loc: null, - value: '0' - }, - { - type: 'Number', - loc: null, - value: '0' - } - ); - } - - newValue.push.apply(newValue, buffer); - - buffer = []; - } - - let newValue = []; - let buffer = []; - - node.children.forEach((node) => { - if (node.type === 'Operator' && node.value === ',') { - flush(); - newValue.push(node); - return; - } - - // remove defaults - if (node.type === 'Identifier') { - if (node.name === 'transparent' || - node.name === 'none' || - node.name === 'repeat' || - node.name === 'scroll') { - return; - } - } - - buffer.push(node); - }); - - flush(); - node.children = new cssTree.List().fromArray(newValue); -} - -module.exports = compressBackground; diff --git a/node_modules/csso/cjs/replace/property/border.cjs b/node_modules/csso/cjs/replace/property/border.cjs deleted file mode 100644 index 4fc505f7..00000000 --- a/node_modules/csso/cjs/replace/property/border.cjs +++ /dev/null @@ -1,20 +0,0 @@ -'use strict'; - -function compressBorder(node) { - node.children.forEach((node, item, list) => { - if (node.type === 'Identifier' && node.name.toLowerCase() === 'none') { - if (list.head === list.tail) { - // replace `none` for zero when `none` is a single term - item.data = { - type: 'Number', - loc: node.loc, - value: '0' - }; - } else { - list.remove(item); - } - } - }); -} - -module.exports = compressBorder; diff --git a/node_modules/csso/cjs/replace/property/font-weight.cjs b/node_modules/csso/cjs/replace/property/font-weight.cjs deleted file mode 100644 index 0824f1dd..00000000 --- a/node_modules/csso/cjs/replace/property/font-weight.cjs +++ /dev/null @@ -1,26 +0,0 @@ -'use strict'; - -function compressFontWeight(node) { - const value = node.children.head.data; - - if (value.type === 'Identifier') { - switch (value.name) { - case 'normal': - node.children.head.data = { - type: 'Number', - loc: value.loc, - value: '400' - }; - break; - case 'bold': - node.children.head.data = { - type: 'Number', - loc: value.loc, - value: '700' - }; - break; - } - } -} - -module.exports = compressFontWeight; diff --git a/node_modules/csso/cjs/replace/property/font.cjs b/node_modules/csso/cjs/replace/property/font.cjs deleted file mode 100644 index a23cf363..00000000 --- a/node_modules/csso/cjs/replace/property/font.cjs +++ /dev/null @@ -1,34 +0,0 @@ -'use strict'; - -function compressFont(node) { - const list = node.children; - - list.forEachRight(function(node, item) { - if (node.type === 'Identifier') { - if (node.name === 'bold') { - item.data = { - type: 'Number', - loc: node.loc, - value: '700' - }; - } else if (node.name === 'normal') { - const prev = item.prev; - - if (prev && prev.data.type === 'Operator' && prev.data.value === '/') { - this.remove(prev); - } - - this.remove(item); - } - } - }); - - if (list.isEmpty) { - list.insert(list.createItem({ - type: 'Identifier', - name: 'normal' - })); - } -} - -module.exports = compressFont; diff --git a/node_modules/csso/cjs/restructure/1-mergeAtrule.cjs b/node_modules/csso/cjs/restructure/1-mergeAtrule.cjs deleted file mode 100644 index 308587a0..00000000 --- a/node_modules/csso/cjs/restructure/1-mergeAtrule.cjs +++ /dev/null @@ -1,109 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); - -const { hasOwnProperty } = Object.prototype; - -function addRuleToMap(map, item, list, single) { - const node = item.data; - const name = cssTree.keyword(node.name).basename; - const id = node.name.toLowerCase() + '/' + (node.prelude ? node.prelude.id : null); - - if (!hasOwnProperty.call(map, name)) { - map[name] = Object.create(null); - } - - if (single) { - delete map[name][id]; - } - - if (!hasOwnProperty.call(map[name], id)) { - map[name][id] = new cssTree.List(); - } - - map[name][id].append(list.remove(item)); -} - -function relocateAtrules(ast, options) { - const collected = Object.create(null); - let topInjectPoint = null; - - ast.children.forEach(function(node, item, list) { - if (node.type === 'Atrule') { - const name = cssTree.keyword(node.name).basename; - - switch (name) { - case 'keyframes': - addRuleToMap(collected, item, list, true); - return; - - case 'media': - if (options.forceMediaMerge) { - addRuleToMap(collected, item, list, false); - return; - } - break; - } - - if (topInjectPoint === null && - name !== 'charset' && - name !== 'import') { - topInjectPoint = item; - } - } else { - if (topInjectPoint === null) { - topInjectPoint = item; - } - } - }); - - for (const atrule in collected) { - for (const id in collected[atrule]) { - ast.children.insertList( - collected[atrule][id], - atrule === 'media' ? null : topInjectPoint - ); - } - } -} -function isMediaRule(node) { - return node.type === 'Atrule' && node.name === 'media'; -} - -function processAtrule(node, item, list) { - if (!isMediaRule(node)) { - return; - } - - const prev = item.prev && item.prev.data; - - if (!prev || !isMediaRule(prev)) { - return; - } - - // merge @media with same query - if (node.prelude && - prev.prelude && - node.prelude.id === prev.prelude.id) { - prev.block.children.appendList(node.block.children); - list.remove(item); - - // TODO: use it when we can refer to several points in source - // prev.loc = { - // primary: prev.loc, - // merged: node.loc - // }; - } -} - -function rejoinAtrule(ast, options) { - relocateAtrules(ast, options); - - cssTree.walk(ast, { - visit: 'Atrule', - reverse: true, - enter: processAtrule - }); -} - -module.exports = rejoinAtrule; diff --git a/node_modules/csso/cjs/restructure/2-initialMergeRuleset.cjs b/node_modules/csso/cjs/restructure/2-initialMergeRuleset.cjs deleted file mode 100644 index 1a1f90ce..00000000 --- a/node_modules/csso/cjs/restructure/2-initialMergeRuleset.cjs +++ /dev/null @@ -1,51 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const utils = require('./utils.cjs'); - -function processRule(node, item, list) { - const selectors = node.prelude.children; - const declarations = node.block.children; - - list.prevUntil(item.prev, function(prev) { - // skip non-ruleset node if safe - if (prev.type !== 'Rule') { - return utils.unsafeToSkipNode.call(selectors, prev); - } - - const prevSelectors = prev.prelude.children; - const prevDeclarations = prev.block.children; - - // try to join rulesets with equal pseudo signature - if (node.pseudoSignature === prev.pseudoSignature) { - // try to join by selectors - if (utils.isEqualSelectors(prevSelectors, selectors)) { - prevDeclarations.appendList(declarations); - list.remove(item); - return true; - } - - // try to join by declarations - if (utils.isEqualDeclarations(declarations, prevDeclarations)) { - utils.addSelectors(prevSelectors, selectors); - list.remove(item); - return true; - } - } - - // go to prev ruleset if has no selector similarities - return utils.hasSimilarSelectors(selectors, prevSelectors); - }); -} - -// NOTE: direction should be left to right, since rulesets merge to left -// ruleset. When direction right to left unmerged rulesets may prevent lookup -// TODO: remove initial merge -function initialMergeRule(ast) { - cssTree.walk(ast, { - visit: 'Rule', - enter: processRule - }); -} - -module.exports = initialMergeRule; diff --git a/node_modules/csso/cjs/restructure/3-disjoinRuleset.cjs b/node_modules/csso/cjs/restructure/3-disjoinRuleset.cjs deleted file mode 100644 index bf1d627d..00000000 --- a/node_modules/csso/cjs/restructure/3-disjoinRuleset.cjs +++ /dev/null @@ -1,46 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); - -function processRule(node, item, list) { - const selectors = node.prelude.children; - - // generate new rule sets: - // .a, .b { color: red; } - // -> - // .a { color: red; } - // .b { color: red; } - - // while there are more than 1 simple selector split for rulesets - while (selectors.head !== selectors.tail) { - const newSelectors = new cssTree.List(); - - newSelectors.insert(selectors.remove(selectors.head)); - - list.insert(list.createItem({ - type: 'Rule', - loc: node.loc, - prelude: { - type: 'SelectorList', - loc: node.prelude.loc, - children: newSelectors - }, - block: { - type: 'Block', - loc: node.block.loc, - children: node.block.children.copy() - }, - pseudoSignature: node.pseudoSignature - }), item); - } -} - -function disjoinRule(ast) { - cssTree.walk(ast, { - visit: 'Rule', - reverse: true, - enter: processRule - }); -} - -module.exports = disjoinRule; diff --git a/node_modules/csso/cjs/restructure/4-restructShorthand.cjs b/node_modules/csso/cjs/restructure/4-restructShorthand.cjs deleted file mode 100644 index a2acfa2b..00000000 --- a/node_modules/csso/cjs/restructure/4-restructShorthand.cjs +++ /dev/null @@ -1,429 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); - -const REPLACE = 1; -const REMOVE = 2; -const TOP = 0; -const RIGHT = 1; -const BOTTOM = 2; -const LEFT = 3; -const SIDES = ['top', 'right', 'bottom', 'left']; -const SIDE = { - 'margin-top': 'top', - 'margin-right': 'right', - 'margin-bottom': 'bottom', - 'margin-left': 'left', - - 'padding-top': 'top', - 'padding-right': 'right', - 'padding-bottom': 'bottom', - 'padding-left': 'left', - - 'border-top-color': 'top', - 'border-right-color': 'right', - 'border-bottom-color': 'bottom', - 'border-left-color': 'left', - 'border-top-width': 'top', - 'border-right-width': 'right', - 'border-bottom-width': 'bottom', - 'border-left-width': 'left', - 'border-top-style': 'top', - 'border-right-style': 'right', - 'border-bottom-style': 'bottom', - 'border-left-style': 'left' -}; -const MAIN_PROPERTY = { - 'margin': 'margin', - 'margin-top': 'margin', - 'margin-right': 'margin', - 'margin-bottom': 'margin', - 'margin-left': 'margin', - - 'padding': 'padding', - 'padding-top': 'padding', - 'padding-right': 'padding', - 'padding-bottom': 'padding', - 'padding-left': 'padding', - - 'border-color': 'border-color', - 'border-top-color': 'border-color', - 'border-right-color': 'border-color', - 'border-bottom-color': 'border-color', - 'border-left-color': 'border-color', - 'border-width': 'border-width', - 'border-top-width': 'border-width', - 'border-right-width': 'border-width', - 'border-bottom-width': 'border-width', - 'border-left-width': 'border-width', - 'border-style': 'border-style', - 'border-top-style': 'border-style', - 'border-right-style': 'border-style', - 'border-bottom-style': 'border-style', - 'border-left-style': 'border-style' -}; - -class TRBL { - constructor(name) { - this.name = name; - this.loc = null; - this.iehack = undefined; - this.sides = { - 'top': null, - 'right': null, - 'bottom': null, - 'left': null - }; - } - - getValueSequence(declaration, count) { - const values = []; - let iehack = ''; - const hasBadValues = declaration.value.type !== 'Value' || declaration.value.children.some(function(child) { - let special = false; - - switch (child.type) { - case 'Identifier': - switch (child.name) { - case '\\0': - case '\\9': - iehack = child.name; - return; - - case 'inherit': - case 'initial': - case 'unset': - case 'revert': - special = child.name; - break; - } - break; - - case 'Dimension': - switch (child.unit) { - // is not supported until IE11 - case 'rem': - - // v* units is too buggy across browsers and better - // don't merge values with those units - case 'vw': - case 'vh': - case 'vmin': - case 'vmax': - case 'vm': // IE9 supporting "vm" instead of "vmin". - special = child.unit; - break; - } - break; - - case 'Hash': // color - case 'Number': - case 'Percentage': - break; - - case 'Function': - if (child.name === 'var') { - return true; - } - - special = child.name; - break; - - default: - return true; // bad value - } - - values.push({ - node: child, - special, - important: declaration.important - }); - }); - - if (hasBadValues || values.length > count) { - return false; - } - - if (typeof this.iehack === 'string' && this.iehack !== iehack) { - return false; - } - - this.iehack = iehack; // move outside - - return values; - } - - canOverride(side, value) { - const currentValue = this.sides[side]; - - return !currentValue || (value.important && !currentValue.important); - } - - add(name, declaration) { - function attemptToAdd() { - const sides = this.sides; - const side = SIDE[name]; - - if (side) { - if (side in sides === false) { - return false; - } - - const values = this.getValueSequence(declaration, 1); - - if (!values || !values.length) { - return false; - } - - // can mix only if specials are equal - for (const key in sides) { - if (sides[key] !== null && sides[key].special !== values[0].special) { - return false; - } - } - - if (!this.canOverride(side, values[0])) { - return true; - } - - sides[side] = values[0]; - - return true; - } else if (name === this.name) { - const values = this.getValueSequence(declaration, 4); - - if (!values || !values.length) { - return false; - } - - switch (values.length) { - case 1: - values[RIGHT] = values[TOP]; - values[BOTTOM] = values[TOP]; - values[LEFT] = values[TOP]; - break; - - case 2: - values[BOTTOM] = values[TOP]; - values[LEFT] = values[RIGHT]; - break; - - case 3: - values[LEFT] = values[RIGHT]; - break; - } - - // can mix only if specials are equal - for (let i = 0; i < 4; i++) { - for (const key in sides) { - if (sides[key] !== null && sides[key].special !== values[i].special) { - return false; - } - } - } - - for (let i = 0; i < 4; i++) { - if (this.canOverride(SIDES[i], values[i])) { - sides[SIDES[i]] = values[i]; - } - } - - return true; - } - } - - if (!attemptToAdd.call(this)) { - return false; - } - - // TODO: use it when we can refer to several points in source - // if (this.loc) { - // this.loc = { - // primary: this.loc, - // merged: declaration.loc - // }; - // } else { - // this.loc = declaration.loc; - // } - if (!this.loc) { - this.loc = declaration.loc; - } - - return true; - } - - isOkToMinimize() { - const top = this.sides.top; - const right = this.sides.right; - const bottom = this.sides.bottom; - const left = this.sides.left; - - if (top && right && bottom && left) { - const important = - top.important + - right.important + - bottom.important + - left.important; - - return important === 0 || important === 4; - } - - return false; - } - - getValue() { - const result = new cssTree.List(); - const sides = this.sides; - const values = [ - sides.top, - sides.right, - sides.bottom, - sides.left - ]; - const stringValues = [ - cssTree.generate(sides.top.node), - cssTree.generate(sides.right.node), - cssTree.generate(sides.bottom.node), - cssTree.generate(sides.left.node) - ]; - - if (stringValues[LEFT] === stringValues[RIGHT]) { - values.pop(); - if (stringValues[BOTTOM] === stringValues[TOP]) { - values.pop(); - if (stringValues[RIGHT] === stringValues[TOP]) { - values.pop(); - } - } - } - - for (let i = 0; i < values.length; i++) { - result.appendData(values[i].node); - } - - if (this.iehack) { - result.appendData({ - type: 'Identifier', - loc: null, - name: this.iehack - }); - } - - return { - type: 'Value', - loc: null, - children: result - }; - } - - getDeclaration() { - return { - type: 'Declaration', - loc: this.loc, - important: this.sides.top.important, - property: this.name, - value: this.getValue() - }; - } -} - -function processRule(rule, shorts, shortDeclarations, lastShortSelector) { - const declarations = rule.block.children; - const selector = rule.prelude.children.first.id; - - rule.block.children.forEachRight(function(declaration, item) { - const property = declaration.property; - - if (!MAIN_PROPERTY.hasOwnProperty(property)) { - return; - } - - const key = MAIN_PROPERTY[property]; - let shorthand; - let operation; - - if (!lastShortSelector || selector === lastShortSelector) { - if (key in shorts) { - operation = REMOVE; - shorthand = shorts[key]; - } - } - - if (!shorthand || !shorthand.add(property, declaration)) { - operation = REPLACE; - shorthand = new TRBL(key); - - // if can't parse value ignore it and break shorthand children - if (!shorthand.add(property, declaration)) { - lastShortSelector = null; - return; - } - } - - shorts[key] = shorthand; - shortDeclarations.push({ - operation, - block: declarations, - item, - shorthand - }); - - lastShortSelector = selector; - }); - - return lastShortSelector; -} - -function processShorthands(shortDeclarations, markDeclaration) { - shortDeclarations.forEach(function(item) { - const shorthand = item.shorthand; - - if (!shorthand.isOkToMinimize()) { - return; - } - - if (item.operation === REPLACE) { - item.item.data = markDeclaration(shorthand.getDeclaration()); - } else { - item.block.remove(item.item); - } - }); -} - -function restructBlock(ast, indexer) { - const stylesheetMap = {}; - const shortDeclarations = []; - - cssTree.walk(ast, { - visit: 'Rule', - reverse: true, - enter(node) { - const stylesheet = this.block || this.stylesheet; - const ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first.id; - let ruleMap; - let shorts; - - if (!stylesheetMap.hasOwnProperty(stylesheet.id)) { - ruleMap = { - lastShortSelector: null - }; - stylesheetMap[stylesheet.id] = ruleMap; - } else { - ruleMap = stylesheetMap[stylesheet.id]; - } - - if (ruleMap.hasOwnProperty(ruleId)) { - shorts = ruleMap[ruleId]; - } else { - shorts = {}; - ruleMap[ruleId] = shorts; - } - - ruleMap.lastShortSelector = processRule.call(this, node, shorts, shortDeclarations, ruleMap.lastShortSelector); - } - }); - - processShorthands(shortDeclarations, indexer.declaration); -} - -module.exports = restructBlock; diff --git a/node_modules/csso/cjs/restructure/6-restructBlock.cjs b/node_modules/csso/cjs/restructure/6-restructBlock.cjs deleted file mode 100644 index ba2d0f0d..00000000 --- a/node_modules/csso/cjs/restructure/6-restructBlock.cjs +++ /dev/null @@ -1,307 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); - -let fingerprintId = 1; -const dontRestructure = new Set([ - 'src' // https://github.com/afelix/csso/issues/50 -]); - -const DONT_MIX_VALUE = { - // https://developer.mozilla.org/en-US/docs/Web/CSS/display#Browser_compatibility - 'display': /table|ruby|flex|-(flex)?box$|grid|contents|run-in/i, - // https://developer.mozilla.org/en/docs/Web/CSS/text-align - 'text-align': /^(start|end|match-parent|justify-all)$/i -}; - -const SAFE_VALUES = { - cursor: [ - 'auto', 'crosshair', 'default', 'move', 'text', 'wait', 'help', - 'n-resize', 'e-resize', 's-resize', 'w-resize', - 'ne-resize', 'nw-resize', 'se-resize', 'sw-resize', - 'pointer', 'progress', 'not-allowed', 'no-drop', 'vertical-text', 'all-scroll', - 'col-resize', 'row-resize' - ], - overflow: [ - 'hidden', 'visible', 'scroll', 'auto' - ], - position: [ - 'static', 'relative', 'absolute', 'fixed' - ] -}; - -const NEEDLESS_TABLE = { - 'border-width': ['border'], - 'border-style': ['border'], - 'border-color': ['border'], - 'border-top': ['border'], - 'border-right': ['border'], - 'border-bottom': ['border'], - 'border-left': ['border'], - 'border-top-width': ['border-top', 'border-width', 'border'], - 'border-right-width': ['border-right', 'border-width', 'border'], - 'border-bottom-width': ['border-bottom', 'border-width', 'border'], - 'border-left-width': ['border-left', 'border-width', 'border'], - 'border-top-style': ['border-top', 'border-style', 'border'], - 'border-right-style': ['border-right', 'border-style', 'border'], - 'border-bottom-style': ['border-bottom', 'border-style', 'border'], - 'border-left-style': ['border-left', 'border-style', 'border'], - 'border-top-color': ['border-top', 'border-color', 'border'], - 'border-right-color': ['border-right', 'border-color', 'border'], - 'border-bottom-color': ['border-bottom', 'border-color', 'border'], - 'border-left-color': ['border-left', 'border-color', 'border'], - 'margin-top': ['margin'], - 'margin-right': ['margin'], - 'margin-bottom': ['margin'], - 'margin-left': ['margin'], - 'padding-top': ['padding'], - 'padding-right': ['padding'], - 'padding-bottom': ['padding'], - 'padding-left': ['padding'], - 'font-style': ['font'], - 'font-variant': ['font'], - 'font-weight': ['font'], - 'font-size': ['font'], - 'font-family': ['font'], - 'list-style-type': ['list-style'], - 'list-style-position': ['list-style'], - 'list-style-image': ['list-style'] -}; - -function getPropertyFingerprint(propertyName, declaration, fingerprints) { - const realName = cssTree.property(propertyName).basename; - - if (realName === 'background') { - return propertyName + ':' + cssTree.generate(declaration.value); - } - - const declarationId = declaration.id; - let fingerprint = fingerprints[declarationId]; - - if (!fingerprint) { - switch (declaration.value.type) { - case 'Value': - const special = {}; - let vendorId = ''; - let iehack = ''; - let raw = false; - - declaration.value.children.forEach(function walk(node) { - switch (node.type) { - case 'Value': - case 'Brackets': - case 'Parentheses': - node.children.forEach(walk); - break; - - case 'Raw': - raw = true; - break; - - case 'Identifier': { - const { name } = node; - - if (!vendorId) { - vendorId = cssTree.keyword(name).vendor; - } - - if (/\\[09]/.test(name)) { - iehack = RegExp.lastMatch; - } - - if (SAFE_VALUES.hasOwnProperty(realName)) { - if (SAFE_VALUES[realName].indexOf(name) === -1) { - special[name] = true; - } - } else if (DONT_MIX_VALUE.hasOwnProperty(realName)) { - if (DONT_MIX_VALUE[realName].test(name)) { - special[name] = true; - } - } - - break; - } - - case 'Function': { - let { name } = node; - - if (!vendorId) { - vendorId = cssTree.keyword(name).vendor; - } - - if (name === 'rect') { - // there are 2 forms of rect: - // rect(<top>, <right>, <bottom>, <left>) - standart - // rect(<top> <right> <bottom> <left>) – backwards compatible syntax - // only the same form values can be merged - const hasComma = node.children.some((node) => - node.type === 'Operator' && node.value === ',' - ); - - if (!hasComma) { - name = 'rect-backward'; - } - } - - special[name + '()'] = true; - - // check nested tokens too - node.children.forEach(walk); - - break; - } - - case 'Dimension': { - const { unit } = node; - - if (/\\[09]/.test(unit)) { - iehack = RegExp.lastMatch; - } - - switch (unit) { - // is not supported until IE11 - case 'rem': - - // v* units is too buggy across browsers and better - // don't merge values with those units - case 'vw': - case 'vh': - case 'vmin': - case 'vmax': - case 'vm': // IE9 supporting "vm" instead of "vmin". - special[unit] = true; - break; - } - - break; - } - } - }); - - fingerprint = raw - ? '!' + fingerprintId++ - : '!' + Object.keys(special).sort() + '|' + iehack + vendorId; - break; - - case 'Raw': - fingerprint = '!' + declaration.value.value; - break; - - default: - fingerprint = cssTree.generate(declaration.value); - } - - fingerprints[declarationId] = fingerprint; - } - - return propertyName + fingerprint; -} - -function needless(props, declaration, fingerprints) { - const property = cssTree.property(declaration.property); - - if (NEEDLESS_TABLE.hasOwnProperty(property.basename)) { - const table = NEEDLESS_TABLE[property.basename]; - - for (const entry of table) { - const ppre = getPropertyFingerprint(property.prefix + entry, declaration, fingerprints); - const prev = props.hasOwnProperty(ppre) ? props[ppre] : null; - - if (prev && (!declaration.important || prev.item.data.important)) { - return prev; - } - } - } -} - -function processRule(rule, item, list, props, fingerprints) { - const declarations = rule.block.children; - - declarations.forEachRight(function(declaration, declarationItem) { - const { property } = declaration; - const fingerprint = getPropertyFingerprint(property, declaration, fingerprints); - const prev = props[fingerprint]; - - if (prev && !dontRestructure.has(property)) { - if (declaration.important && !prev.item.data.important) { - props[fingerprint] = { - block: declarations, - item: declarationItem - }; - - prev.block.remove(prev.item); - - // TODO: use it when we can refer to several points in source - // declaration.loc = { - // primary: declaration.loc, - // merged: prev.item.data.loc - // }; - } else { - declarations.remove(declarationItem); - - // TODO: use it when we can refer to several points in source - // prev.item.data.loc = { - // primary: prev.item.data.loc, - // merged: declaration.loc - // }; - } - } else { - const prev = needless(props, declaration, fingerprints); - - if (prev) { - declarations.remove(declarationItem); - - // TODO: use it when we can refer to several points in source - // prev.item.data.loc = { - // primary: prev.item.data.loc, - // merged: declaration.loc - // }; - } else { - declaration.fingerprint = fingerprint; - - props[fingerprint] = { - block: declarations, - item: declarationItem - }; - } - } - }); - - if (declarations.isEmpty) { - list.remove(item); - } -} - -function restructBlock(ast) { - const stylesheetMap = {}; - const fingerprints = Object.create(null); - - cssTree.walk(ast, { - visit: 'Rule', - reverse: true, - enter(node, item, list) { - const stylesheet = this.block || this.stylesheet; - const ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first.id; - let ruleMap; - let props; - - if (!stylesheetMap.hasOwnProperty(stylesheet.id)) { - ruleMap = {}; - stylesheetMap[stylesheet.id] = ruleMap; - } else { - ruleMap = stylesheetMap[stylesheet.id]; - } - - if (ruleMap.hasOwnProperty(ruleId)) { - props = ruleMap[ruleId]; - } else { - props = {}; - ruleMap[ruleId] = props; - } - - processRule.call(this, node, item, list, props, fingerprints); - } - }); -} - -module.exports = restructBlock; diff --git a/node_modules/csso/cjs/restructure/7-mergeRuleset.cjs b/node_modules/csso/cjs/restructure/7-mergeRuleset.cjs deleted file mode 100644 index 797b9401..00000000 --- a/node_modules/csso/cjs/restructure/7-mergeRuleset.cjs +++ /dev/null @@ -1,90 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const utils = require('./utils.cjs'); - -/* - At this step all rules has single simple selector. We try to join by equal - declaration blocks to first rule, e.g. - - .a { color: red } - b { ... } - .b { color: red } - -> - .a, .b { color: red } - b { ... } -*/ - -function processRule(node, item, list) { - const selectors = node.prelude.children; - const declarations = node.block.children; - const nodeCompareMarker = selectors.first.compareMarker; - const skippedCompareMarkers = {}; - - list.nextUntil(item.next, function(next, nextItem) { - // skip non-ruleset node if safe - if (next.type !== 'Rule') { - return utils.unsafeToSkipNode.call(selectors, next); - } - - if (node.pseudoSignature !== next.pseudoSignature) { - return true; - } - - const nextFirstSelector = next.prelude.children.head; - const nextDeclarations = next.block.children; - const nextCompareMarker = nextFirstSelector.data.compareMarker; - - // if next ruleset has same marked as one of skipped then stop joining - if (nextCompareMarker in skippedCompareMarkers) { - return true; - } - - // try to join by selectors - if (selectors.head === selectors.tail) { - if (selectors.first.id === nextFirstSelector.data.id) { - declarations.appendList(nextDeclarations); - list.remove(nextItem); - return; - } - } - - // try to join by properties - if (utils.isEqualDeclarations(declarations, nextDeclarations)) { - const nextStr = nextFirstSelector.data.id; - - selectors.some((data, item) => { - const curStr = data.id; - - if (nextStr < curStr) { - selectors.insert(nextFirstSelector, item); - return true; - } - - if (!item.next) { - selectors.insert(nextFirstSelector); - return true; - } - }); - - list.remove(nextItem); - return; - } - - // go to next ruleset if current one can be skipped (has no equal specificity nor element selector) - if (nextCompareMarker === nodeCompareMarker) { - return true; - } - - skippedCompareMarkers[nextCompareMarker] = true; - }); -} - -function mergeRule(ast) { - cssTree.walk(ast, { - visit: 'Rule', - enter: processRule - }); -} - -module.exports = mergeRule; diff --git a/node_modules/csso/cjs/restructure/8-restructRuleset.cjs b/node_modules/csso/cjs/restructure/8-restructRuleset.cjs deleted file mode 100644 index 3eda382f..00000000 --- a/node_modules/csso/cjs/restructure/8-restructRuleset.cjs +++ /dev/null @@ -1,175 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const utils = require('./utils.cjs'); - -function calcSelectorLength(list) { - return list.reduce((res, data) => res + data.id.length + 1, 0) - 1; -} - -function calcDeclarationsLength(tokens) { - let length = 0; - - for (const token of tokens) { - length += token.length; - } - - return ( - length + // declarations - tokens.length - 1 // delimeters - ); -} - -function processRule(node, item, list) { - const avoidRulesMerge = this.block !== null ? this.block.avoidRulesMerge : false; - const selectors = node.prelude.children; - const block = node.block; - const disallowDownMarkers = Object.create(null); - let allowMergeUp = true; - let allowMergeDown = true; - - list.prevUntil(item.prev, function(prev, prevItem) { - const prevBlock = prev.block; - const prevType = prev.type; - - if (prevType !== 'Rule') { - const unsafe = utils.unsafeToSkipNode.call(selectors, prev); - - if (!unsafe && prevType === 'Atrule' && prevBlock) { - cssTree.walk(prevBlock, { - visit: 'Rule', - enter(node) { - node.prelude.children.forEach((data) => { - disallowDownMarkers[data.compareMarker] = true; - }); - } - }); - } - - return unsafe; - } - - if (node.pseudoSignature !== prev.pseudoSignature) { - return true; - } - - const prevSelectors = prev.prelude.children; - - allowMergeDown = !prevSelectors.some((selector) => - selector.compareMarker in disallowDownMarkers - ); - - // try prev ruleset if simpleselectors has no equal specifity and element selector - if (!allowMergeDown && !allowMergeUp) { - return true; - } - - // try to join by selectors - if (allowMergeUp && utils.isEqualSelectors(prevSelectors, selectors)) { - prevBlock.children.appendList(block.children); - list.remove(item); - - return true; - } - - // try to join by properties - const diff = utils.compareDeclarations(block.children, prevBlock.children); - - // console.log(diff.eq, diff.ne1, diff.ne2); - - if (diff.eq.length) { - if (!diff.ne1.length && !diff.ne2.length) { - // equal blocks - if (allowMergeDown) { - utils.addSelectors(selectors, prevSelectors); - list.remove(prevItem); - } - - return true; - } else if (!avoidRulesMerge) { /* probably we don't need to prevent those merges for @keyframes - TODO: need to be checked */ - - if (diff.ne1.length && !diff.ne2.length) { - // prevBlock is subset block - const selectorLength = calcSelectorLength(selectors); - const blockLength = calcDeclarationsLength(diff.eq); // declarations length - - if (allowMergeUp && selectorLength < blockLength) { - utils.addSelectors(prevSelectors, selectors); - block.children.fromArray(diff.ne1); - } - } else if (!diff.ne1.length && diff.ne2.length) { - // node is subset of prevBlock - const selectorLength = calcSelectorLength(prevSelectors); - const blockLength = calcDeclarationsLength(diff.eq); // declarations length - - if (allowMergeDown && selectorLength < blockLength) { - utils.addSelectors(selectors, prevSelectors); - prevBlock.children.fromArray(diff.ne2); - } - } else { - // diff.ne1.length && diff.ne2.length - // extract equal block - const newSelector = { - type: 'SelectorList', - loc: null, - children: utils.addSelectors(prevSelectors.copy(), selectors) - }; - const newBlockLength = calcSelectorLength(newSelector.children) + 2; // selectors length + curly braces length - const blockLength = calcDeclarationsLength(diff.eq); // declarations length - - // create new ruleset if declarations length greater than - // ruleset description overhead - if (blockLength >= newBlockLength) { - const newItem = list.createItem({ - type: 'Rule', - loc: null, - prelude: newSelector, - block: { - type: 'Block', - loc: null, - children: new cssTree.List().fromArray(diff.eq) - }, - pseudoSignature: node.pseudoSignature - }); - - block.children.fromArray(diff.ne1); - prevBlock.children.fromArray(diff.ne2overrided); - - if (allowMergeUp) { - list.insert(newItem, prevItem); - } else { - list.insert(newItem, item); - } - - return true; - } - } - } - } - - if (allowMergeUp) { - // TODO: disallow up merge only if any property interception only (i.e. diff.ne2overrided.length > 0); - // await property families to find property interception correctly - allowMergeUp = !prevSelectors.some((prevSelector) => - selectors.some((selector) => - selector.compareMarker === prevSelector.compareMarker - ) - ); - } - - prevSelectors.forEach((data) => { - disallowDownMarkers[data.compareMarker] = true; - }); - }); -} - -function restructRule(ast) { - cssTree.walk(ast, { - visit: 'Rule', - reverse: true, - enter: processRule - }); -} - -module.exports = restructRule; diff --git a/node_modules/csso/cjs/restructure/index.cjs b/node_modules/csso/cjs/restructure/index.cjs deleted file mode 100644 index dac7a3c3..00000000 --- a/node_modules/csso/cjs/restructure/index.cjs +++ /dev/null @@ -1,39 +0,0 @@ -'use strict'; - -const index = require('./prepare/index.cjs'); -const _1MergeAtrule = require('./1-mergeAtrule.cjs'); -const _2InitialMergeRuleset = require('./2-initialMergeRuleset.cjs'); -const _3DisjoinRuleset = require('./3-disjoinRuleset.cjs'); -const _4RestructShorthand = require('./4-restructShorthand.cjs'); -const _6RestructBlock = require('./6-restructBlock.cjs'); -const _7MergeRuleset = require('./7-mergeRuleset.cjs'); -const _8RestructRuleset = require('./8-restructRuleset.cjs'); - -function restructure(ast, options) { - // prepare ast for restructing - const indexer = index(ast, options); - options.logger('prepare', ast); - - _1MergeAtrule(ast, options); - options.logger('mergeAtrule', ast); - - _2InitialMergeRuleset(ast); - options.logger('initialMergeRuleset', ast); - - _3DisjoinRuleset(ast); - options.logger('disjoinRuleset', ast); - - _4RestructShorthand(ast, indexer); - options.logger('restructShorthand', ast); - - _6RestructBlock(ast); - options.logger('restructBlock', ast); - - _7MergeRuleset(ast); - options.logger('mergeRuleset', ast); - - _8RestructRuleset(ast); - options.logger('restructRuleset', ast); -} - -module.exports = restructure; diff --git a/node_modules/csso/cjs/restructure/prepare/createDeclarationIndexer.cjs b/node_modules/csso/cjs/restructure/prepare/createDeclarationIndexer.cjs deleted file mode 100644 index 94489728..00000000 --- a/node_modules/csso/cjs/restructure/prepare/createDeclarationIndexer.cjs +++ /dev/null @@ -1,34 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); - -class Index { - constructor() { - this.map = new Map(); - } - resolve(str) { - let index = this.map.get(str); - - if (index === undefined) { - index = this.map.size + 1; - this.map.set(str, index); - } - - return index; - } -} -function createDeclarationIndexer() { - const ids = new Index(); - - return function markDeclaration(node) { - const id = cssTree.generate(node); - - node.id = ids.resolve(id); - node.length = id.length; - node.fingerprint = null; - - return node; - }; -} - -module.exports = createDeclarationIndexer; diff --git a/node_modules/csso/cjs/restructure/prepare/index.cjs b/node_modules/csso/cjs/restructure/prepare/index.cjs deleted file mode 100644 index 42b49127..00000000 --- a/node_modules/csso/cjs/restructure/prepare/index.cjs +++ /dev/null @@ -1,45 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const createDeclarationIndexer = require('./createDeclarationIndexer.cjs'); -const processSelector = require('./processSelector.cjs'); - -function prepare(ast, options) { - const markDeclaration = createDeclarationIndexer(); - - cssTree.walk(ast, { - visit: 'Rule', - enter(node) { - node.block.children.forEach(markDeclaration); - processSelector(node, options.usage); - } - }); - - cssTree.walk(ast, { - visit: 'Atrule', - enter(node) { - if (node.prelude) { - node.prelude.id = null; // pre-init property to avoid multiple hidden class for generate - node.prelude.id = cssTree.generate(node.prelude); - } - - // compare keyframe selectors by its values - // NOTE: still no clarification about problems with keyframes selector grouping (issue #197) - if (cssTree.keyword(node.name).basename === 'keyframes') { - node.block.avoidRulesMerge = true; /* probably we don't need to prevent those merges for @keyframes - TODO: need to be checked */ - node.block.children.forEach(function(rule) { - rule.prelude.children.forEach(function(simpleselector) { - simpleselector.compareMarker = simpleselector.id; - }); - }); - } - } - }); - - return { - declaration: markDeclaration - }; -} - -module.exports = prepare; diff --git a/node_modules/csso/cjs/restructure/prepare/processSelector.cjs b/node_modules/csso/cjs/restructure/prepare/processSelector.cjs deleted file mode 100644 index 5c9e1d21..00000000 --- a/node_modules/csso/cjs/restructure/prepare/processSelector.cjs +++ /dev/null @@ -1,101 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const specificity = require('./specificity.cjs'); - -const nonFreezePseudoElements = new Set([ - 'first-letter', - 'first-line', - 'after', - 'before' -]); -const nonFreezePseudoClasses = new Set([ - 'link', - 'visited', - 'hover', - 'active', - 'first-letter', - 'first-line', - 'after', - 'before' -]); - -function processSelector(node, usageData) { - const pseudos = new Set(); - - node.prelude.children.forEach(function(simpleSelector) { - let tagName = '*'; - let scope = 0; - - simpleSelector.children.forEach(function(node) { - switch (node.type) { - case 'ClassSelector': - if (usageData && usageData.scopes) { - const classScope = usageData.scopes[node.name] || 0; - - if (scope !== 0 && classScope !== scope) { - throw new Error('Selector can\'t has classes from different scopes: ' + cssTree.generate(simpleSelector)); - } - - scope = classScope; - } - - break; - - case 'PseudoClassSelector': { - const name = node.name.toLowerCase(); - - if (!nonFreezePseudoClasses.has(name)) { - pseudos.add(`:${name}`); - } - - break; - } - - case 'PseudoElementSelector': { - const name = node.name.toLowerCase(); - - if (!nonFreezePseudoElements.has(name)) { - pseudos.add(`::${name}`); - } - - break; - } - - case 'TypeSelector': - tagName = node.name.toLowerCase(); - break; - - case 'AttributeSelector': - if (node.flags) { - pseudos.add(`[${node.flags.toLowerCase()}]`); - } - - break; - - case 'Combinator': - tagName = '*'; - break; - } - }); - - simpleSelector.compareMarker = specificity(simpleSelector).toString(); - simpleSelector.id = null; // pre-init property to avoid multiple hidden class - simpleSelector.id = cssTree.generate(simpleSelector); - - if (scope) { - simpleSelector.compareMarker += ':' + scope; - } - - if (tagName !== '*') { - simpleSelector.compareMarker += ',' + tagName; - } - }); - - // add property to all rule nodes to avoid multiple hidden class - node.pseudoSignature = pseudos.size > 0 - ? [...pseudos].sort().join(',') - : false; -} - -module.exports = processSelector; diff --git a/node_modules/csso/cjs/restructure/prepare/specificity.cjs b/node_modules/csso/cjs/restructure/prepare/specificity.cjs deleted file mode 100644 index b62c3291..00000000 --- a/node_modules/csso/cjs/restructure/prepare/specificity.cjs +++ /dev/null @@ -1,133 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); - -function ensureSelectorList(node) { - if (node.type === 'Raw') { - return cssTree.parse(node.value, { context: 'selectorList' }); - } - - return node; -} - -function maxSpecificity(a, b) { - for (let i = 0; i < 3; i++) { - if (a[i] !== b[i]) { - return a[i] > b[i] ? a : b; - } - } - - return a; -} - -function maxSelectorListSpecificity(selectorList) { - return ensureSelectorList(selectorList).children.reduce( - (result, node) => maxSpecificity(specificity(node), result), - [0, 0, 0] - ); -} - -// §16. Calculating a selector’s specificity -// https://www.w3.org/TR/selectors-4/#specificity-rules -function specificity(simpleSelector) { - let A = 0; - let B = 0; - let C = 0; - - // A selector’s specificity is calculated for a given element as follows: - simpleSelector.children.forEach((node) => { - switch (node.type) { - // count the number of ID selectors in the selector (= A) - case 'IdSelector': - A++; - break; - - // count the number of class selectors, attributes selectors, ... - case 'ClassSelector': - case 'AttributeSelector': - B++; - break; - - // ... and pseudo-classes in the selector (= B) - case 'PseudoClassSelector': - switch (node.name.toLowerCase()) { - // The specificity of an :is(), :not(), or :has() pseudo-class is replaced - // by the specificity of the most specific complex selector in its selector list argument. - case 'not': - case 'has': - case 'is': - // :matches() is used before it was renamed to :is() - // https://github.com/w3c/csswg-drafts/issues/3258 - case 'matches': - // Older browsers support :is() functionality as prefixed pseudo-class :any() - // https://developer.mozilla.org/en-US/docs/Web/CSS/:is - case '-webkit-any': - case '-moz-any': { - const [a, b, c] = maxSelectorListSpecificity(node.children.first); - - A += a; - B += b; - C += c; - - break; - } - - // Analogously, the specificity of an :nth-child() or :nth-last-child() selector - // is the specificity of the pseudo class itself (counting as one pseudo-class selector) - // plus the specificity of the most specific complex selector in its selector list argument (if any). - case 'nth-child': - case 'nth-last-child': { - const arg = node.children.first; - - if (arg.type === 'Nth' && arg.selector) { - const [a, b, c] = maxSelectorListSpecificity(arg.selector); - - A += a; - B += b + 1; - C += c; - } else { - B++; - } - - break; - } - - // The specificity of a :where() pseudo-class is replaced by zero. - case 'where': - break; - - // The four Level 2 pseudo-elements (::before, ::after, ::first-line, and ::first-letter) may, - // for legacy reasons, be represented using the <pseudo-class-selector> grammar, - // with only a single ":" character at their start. - // https://www.w3.org/TR/selectors-4/#single-colon-pseudos - case 'before': - case 'after': - case 'first-line': - case 'first-letter': - C++; - break; - - default: - B++; - } - break; - - // count the number of type selectors ... - case 'TypeSelector': - // ignore the universal selector - if (!node.name.endsWith('*')) { - C++; - } - break; - - // ... and pseudo-elements in the selector (= C) - case 'PseudoElementSelector': - C++; - break; - } - }); - - return [A, B, C]; -} - -module.exports = specificity; diff --git a/node_modules/csso/cjs/restructure/utils.cjs b/node_modules/csso/cjs/restructure/utils.cjs deleted file mode 100644 index cd66a6a8..00000000 --- a/node_modules/csso/cjs/restructure/utils.cjs +++ /dev/null @@ -1,151 +0,0 @@ -'use strict'; - -const { hasOwnProperty } = Object.prototype; - -function isEqualSelectors(a, b) { - let cursor1 = a.head; - let cursor2 = b.head; - - while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) { - cursor1 = cursor1.next; - cursor2 = cursor2.next; - } - - return cursor1 === null && cursor2 === null; -} - -function isEqualDeclarations(a, b) { - let cursor1 = a.head; - let cursor2 = b.head; - - while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) { - cursor1 = cursor1.next; - cursor2 = cursor2.next; - } - - return cursor1 === null && cursor2 === null; -} - -function compareDeclarations(declarations1, declarations2) { - const result = { - eq: [], - ne1: [], - ne2: [], - ne2overrided: [] - }; - - const fingerprints = Object.create(null); - const declarations2hash = Object.create(null); - - for (let cursor = declarations2.head; cursor; cursor = cursor.next) { - declarations2hash[cursor.data.id] = true; - } - - for (let cursor = declarations1.head; cursor; cursor = cursor.next) { - const data = cursor.data; - - if (data.fingerprint) { - fingerprints[data.fingerprint] = data.important; - } - - if (declarations2hash[data.id]) { - declarations2hash[data.id] = false; - result.eq.push(data); - } else { - result.ne1.push(data); - } - } - - for (let cursor = declarations2.head; cursor; cursor = cursor.next) { - const data = cursor.data; - - if (declarations2hash[data.id]) { - // when declarations1 has an overriding declaration, this is not a difference - // unless no !important is used on prev and !important is used on the following - if (!hasOwnProperty.call(fingerprints, data.fingerprint) || - (!fingerprints[data.fingerprint] && data.important)) { - result.ne2.push(data); - } - - result.ne2overrided.push(data); - } - } - - return result; -} - -function addSelectors(dest, source) { - source.forEach((sourceData) => { - const newStr = sourceData.id; - let cursor = dest.head; - - while (cursor) { - const nextStr = cursor.data.id; - - if (nextStr === newStr) { - return; - } - - if (nextStr > newStr) { - break; - } - - cursor = cursor.next; - } - - dest.insert(dest.createItem(sourceData), cursor); - }); - - return dest; -} - -// check if simpleselectors has no equal specificity and element selector -function hasSimilarSelectors(selectors1, selectors2) { - let cursor1 = selectors1.head; - - while (cursor1 !== null) { - let cursor2 = selectors2.head; - - while (cursor2 !== null) { - if (cursor1.data.compareMarker === cursor2.data.compareMarker) { - return true; - } - - cursor2 = cursor2.next; - } - - cursor1 = cursor1.next; - } - - return false; -} - -// test node can't to be skipped -function unsafeToSkipNode(node) { - switch (node.type) { - case 'Rule': - // unsafe skip ruleset with selector similarities - return hasSimilarSelectors(node.prelude.children, this); - - case 'Atrule': - // can skip at-rules with blocks - if (node.block) { - // unsafe skip at-rule if block contains something unsafe to skip - return node.block.children.some(unsafeToSkipNode, this); - } - break; - - case 'Declaration': - return false; - } - - // unsafe by default - return true; -} - -exports.addSelectors = addSelectors; -exports.compareDeclarations = compareDeclarations; -exports.hasSimilarSelectors = hasSimilarSelectors; -exports.isEqualDeclarations = isEqualDeclarations; -exports.isEqualSelectors = isEqualSelectors; -exports.unsafeToSkipNode = unsafeToSkipNode; diff --git a/node_modules/csso/cjs/syntax.cjs b/node_modules/csso/cjs/syntax.cjs deleted file mode 100644 index 527604c0..00000000 --- a/node_modules/csso/cjs/syntax.cjs +++ /dev/null @@ -1,60 +0,0 @@ -'use strict'; - -const cssTree = require('css-tree'); -const compress = require('./compress.cjs'); -const specificity = require('./restructure/prepare/specificity.cjs'); - -function encodeString(value) { - const stringApostrophe = cssTree.string.encode(value, true); - const stringQuote = cssTree.string.encode(value); - - return stringApostrophe.length < stringQuote.length - ? stringApostrophe - : stringQuote; -} - -const { - lexer, - tokenize, - parse, - generate, - walk, - find, - findLast, - findAll, - fromPlainObject, - toPlainObject -} = cssTree.fork({ - node: { - String: { - generate(node) { - this.token(cssTree.tokenTypes.String, encodeString(node.value)); - } - }, - Url: { - generate(node) { - const encodedUrl = cssTree.url.encode(node.value); - const string = encodeString(node.value); - - this.token(cssTree.tokenTypes.Url, - encodedUrl.length <= string.length + 5 /* "url()".length */ - ? encodedUrl - : 'url(' + string + ')' - ); - } - } - } -}); - -exports.compress = compress; -exports.specificity = specificity; -exports.find = find; -exports.findAll = findAll; -exports.findLast = findLast; -exports.fromPlainObject = fromPlainObject; -exports.generate = generate; -exports.lexer = lexer; -exports.parse = parse; -exports.toPlainObject = toPlainObject; -exports.tokenize = tokenize; -exports.walk = walk; diff --git a/node_modules/csso/cjs/usage.cjs b/node_modules/csso/cjs/usage.cjs deleted file mode 100644 index 90abe9d2..00000000 --- a/node_modules/csso/cjs/usage.cjs +++ /dev/null @@ -1,75 +0,0 @@ -'use strict'; - -const { hasOwnProperty } = Object.prototype; - -function buildMap(list, caseInsensitive) { - const map = Object.create(null); - - if (!Array.isArray(list)) { - return null; - } - - for (let name of list) { - if (caseInsensitive) { - name = name.toLowerCase(); - } - - map[name] = true; - } - - return map; -} - -function buildList(data) { - if (!data) { - return null; - } - - const tags = buildMap(data.tags, true); - const ids = buildMap(data.ids); - const classes = buildMap(data.classes); - - if (tags === null && - ids === null && - classes === null) { - return null; - } - - return { - tags, - ids, - classes - }; -} - -function buildIndex(data) { - let scopes = false; - - if (data.scopes && Array.isArray(data.scopes)) { - scopes = Object.create(null); - - for (let i = 0; i < data.scopes.length; i++) { - const list = data.scopes[i]; - - if (!list || !Array.isArray(list)) { - throw new Error('Wrong usage format'); - } - - for (const name of list) { - if (hasOwnProperty.call(scopes, name)) { - throw new Error(`Class can't be used for several scopes: ${name}`); - } - - scopes[name] = i + 1; - } - } - } - - return { - whitelist: buildList(data), - blacklist: buildList(data.blacklist), - scopes - }; -} - -exports.buildIndex = buildIndex; diff --git a/node_modules/csso/cjs/utils.cjs b/node_modules/csso/cjs/utils.cjs deleted file mode 100644 index 61e75ec8..00000000 --- a/node_modules/csso/cjs/utils.cjs +++ /dev/null @@ -1,14 +0,0 @@ -'use strict'; - -const processSelector = require('./restructure/prepare/processSelector.cjs'); -const utils$1 = require('./restructure/utils.cjs'); - - - -exports.processSelector = processSelector; -exports.addSelectors = utils$1.addSelectors; -exports.compareDeclarations = utils$1.compareDeclarations; -exports.hasSimilarSelectors = utils$1.hasSimilarSelectors; -exports.isEqualDeclarations = utils$1.isEqualDeclarations; -exports.isEqualSelectors = utils$1.isEqualSelectors; -exports.unsafeToSkipNode = utils$1.unsafeToSkipNode; diff --git a/node_modules/csso/cjs/version.cjs b/node_modules/csso/cjs/version.cjs deleted file mode 100644 index eaa2fef2..00000000 --- a/node_modules/csso/cjs/version.cjs +++ /dev/null @@ -1,5 +0,0 @@ -'use strict'; - -const { version } = require('../package.json'); - -exports.version = version; |