368 lines
10 KiB
JavaScript
368 lines
10 KiB
JavaScript
let vendor = require('./vendor')
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let Declaration = require('./declaration')
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let Resolution = require('./resolution')
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let Transition = require('./transition')
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let Processor = require('./processor')
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let Supports = require('./supports')
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let Browsers = require('./browsers')
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let Selector = require('./selector')
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let AtRule = require('./at-rule')
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let Value = require('./value')
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let utils = require('./utils')
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Selector.hack(require('./hacks/fullscreen'))
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Selector.hack(require('./hacks/placeholder'))
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Selector.hack(require('./hacks/placeholder-shown'))
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Declaration.hack(require('./hacks/flex'))
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Declaration.hack(require('./hacks/order'))
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Declaration.hack(require('./hacks/filter'))
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Declaration.hack(require('./hacks/grid-end'))
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Declaration.hack(require('./hacks/animation'))
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Declaration.hack(require('./hacks/flex-flow'))
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Declaration.hack(require('./hacks/flex-grow'))
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Declaration.hack(require('./hacks/flex-wrap'))
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Declaration.hack(require('./hacks/grid-area'))
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Declaration.hack(require('./hacks/place-self'))
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Declaration.hack(require('./hacks/grid-start'))
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Declaration.hack(require('./hacks/align-self'))
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Declaration.hack(require('./hacks/appearance'))
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Declaration.hack(require('./hacks/flex-basis'))
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Declaration.hack(require('./hacks/mask-border'))
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Declaration.hack(require('./hacks/mask-composite'))
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Declaration.hack(require('./hacks/align-items'))
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Declaration.hack(require('./hacks/user-select'))
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Declaration.hack(require('./hacks/flex-shrink'))
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Declaration.hack(require('./hacks/break-props'))
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Declaration.hack(require('./hacks/color-adjust'))
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Declaration.hack(require('./hacks/writing-mode'))
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Declaration.hack(require('./hacks/border-image'))
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Declaration.hack(require('./hacks/align-content'))
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Declaration.hack(require('./hacks/border-radius'))
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Declaration.hack(require('./hacks/block-logical'))
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Declaration.hack(require('./hacks/grid-template'))
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Declaration.hack(require('./hacks/inline-logical'))
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Declaration.hack(require('./hacks/grid-row-align'))
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Declaration.hack(require('./hacks/transform-decl'))
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Declaration.hack(require('./hacks/flex-direction'))
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Declaration.hack(require('./hacks/image-rendering'))
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Declaration.hack(require('./hacks/backdrop-filter'))
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Declaration.hack(require('./hacks/background-clip'))
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Declaration.hack(require('./hacks/text-decoration'))
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Declaration.hack(require('./hacks/justify-content'))
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Declaration.hack(require('./hacks/background-size'))
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Declaration.hack(require('./hacks/grid-row-column'))
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Declaration.hack(require('./hacks/grid-rows-columns'))
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Declaration.hack(require('./hacks/grid-column-align'))
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Declaration.hack(require('./hacks/overscroll-behavior'))
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Declaration.hack(require('./hacks/grid-template-areas'))
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Declaration.hack(require('./hacks/text-emphasis-position'))
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Declaration.hack(require('./hacks/text-decoration-skip-ink'))
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Value.hack(require('./hacks/gradient'))
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Value.hack(require('./hacks/intrinsic'))
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Value.hack(require('./hacks/pixelated'))
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Value.hack(require('./hacks/image-set'))
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Value.hack(require('./hacks/cross-fade'))
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Value.hack(require('./hacks/display-flex'))
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Value.hack(require('./hacks/display-grid'))
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Value.hack(require('./hacks/filter-value'))
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let declsCache = new Map()
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class Prefixes {
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constructor (data, browsers, options = {}) {
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this.data = data
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this.browsers = browsers
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this.options = options
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;[this.add, this.remove] = this.preprocess(this.select(this.data))
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this.transition = new Transition(this)
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this.processor = new Processor(this)
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}
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/**
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* Return clone instance to remove all prefixes
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*/
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cleaner () {
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if (this.cleanerCache) {
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return this.cleanerCache
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}
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if (this.browsers.selected.length) {
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let empty = new Browsers(this.browsers.data, [])
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this.cleanerCache = new Prefixes(this.data, empty, this.options)
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} else {
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return this
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}
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return this.cleanerCache
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}
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/**
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* Select prefixes from data, which is necessary for selected browsers
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*/
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select (list) {
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let selected = { add: {}, remove: {} }
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for (let name in list) {
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let data = list[name]
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let add = data.browsers.map(i => {
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let params = i.split(' ')
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return {
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browser: `${params[0]} ${params[1]}`,
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note: params[2]
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}
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})
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let notes = add
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.filter(i => i.note)
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.map(i => `${this.browsers.prefix(i.browser)} ${i.note}`)
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notes = utils.uniq(notes)
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add = add
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.filter(i => this.browsers.isSelected(i.browser))
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.map(i => {
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let prefix = this.browsers.prefix(i.browser)
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if (i.note) {
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return `${prefix} ${i.note}`
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} else {
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return prefix
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}
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})
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add = this.sort(utils.uniq(add))
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if (this.options.flexbox === 'no-2009') {
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add = add.filter(i => !i.includes('2009'))
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}
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let all = data.browsers.map(i => this.browsers.prefix(i))
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if (data.mistakes) {
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all = all.concat(data.mistakes)
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}
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all = all.concat(notes)
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all = utils.uniq(all)
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if (add.length) {
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selected.add[name] = add
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if (add.length < all.length) {
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selected.remove[name] = all.filter(i => !add.includes(i))
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}
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} else {
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selected.remove[name] = all
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}
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}
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return selected
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}
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/**
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* Sort vendor prefixes
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*/
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sort (prefixes) {
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return prefixes.sort((a, b) => {
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let aLength = utils.removeNote(a).length
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let bLength = utils.removeNote(b).length
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if (aLength === bLength) {
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return b.length - a.length
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} else {
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return bLength - aLength
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}
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})
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}
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/**
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* Cache prefixes data to fast CSS processing
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*/
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preprocess (selected) {
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let add = {
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'selectors': [],
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'@supports': new Supports(Prefixes, this)
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}
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for (let name in selected.add) {
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let prefixes = selected.add[name]
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if (name === '@keyframes' || name === '@viewport') {
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add[name] = new AtRule(name, prefixes, this)
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} else if (name === '@resolution') {
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add[name] = new Resolution(name, prefixes, this)
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} else if (this.data[name].selector) {
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add.selectors.push(Selector.load(name, prefixes, this))
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} else {
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let props = this.data[name].props
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if (props) {
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let value = Value.load(name, prefixes, this)
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for (let prop of props) {
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if (!add[prop]) {
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add[prop] = { values: [] }
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}
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add[prop].values.push(value)
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}
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} else {
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let values = (add[name] && add[name].values) || []
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add[name] = Declaration.load(name, prefixes, this)
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add[name].values = values
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}
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}
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}
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let remove = { selectors: [] }
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for (let name in selected.remove) {
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let prefixes = selected.remove[name]
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if (this.data[name].selector) {
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let selector = Selector.load(name, prefixes)
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for (let prefix of prefixes) {
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remove.selectors.push(selector.old(prefix))
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}
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} else if (name === '@keyframes' || name === '@viewport') {
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for (let prefix of prefixes) {
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let prefixed = `@${prefix}${name.slice(1)}`
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remove[prefixed] = { remove: true }
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}
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} else if (name === '@resolution') {
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remove[name] = new Resolution(name, prefixes, this)
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} else {
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let props = this.data[name].props
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if (props) {
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let value = Value.load(name, [], this)
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for (let prefix of prefixes) {
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let old = value.old(prefix)
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if (old) {
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for (let prop of props) {
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if (!remove[prop]) {
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remove[prop] = {}
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}
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if (!remove[prop].values) {
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remove[prop].values = []
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}
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remove[prop].values.push(old)
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}
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}
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}
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} else {
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for (let p of prefixes) {
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let olds = this.decl(name).old(name, p)
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if (name === 'align-self') {
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let a = add[name] && add[name].prefixes
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if (a) {
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if (p === '-webkit- 2009' && a.includes('-webkit-')) {
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continue
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} else if (p === '-webkit-' && a.includes('-webkit- 2009')) {
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continue
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}
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}
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}
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for (let prefixed of olds) {
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if (!remove[prefixed]) {
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remove[prefixed] = {}
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}
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remove[prefixed].remove = true
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}
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}
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}
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}
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}
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return [add, remove]
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}
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/**
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* Declaration loader with caching
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*/
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decl (prop) {
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if (!declsCache.has(prop)) {
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declsCache.set(prop, Declaration.load(prop))
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}
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return declsCache.get(prop)
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}
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/**
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* Return unprefixed version of property
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*/
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unprefixed (prop) {
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let value = this.normalize(vendor.unprefixed(prop))
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if (value === 'flex-direction') {
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value = 'flex-flow'
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}
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return value
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}
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/**
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* Normalize prefix for remover
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*/
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normalize (prop) {
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return this.decl(prop).normalize(prop)
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}
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/**
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* Return prefixed version of property
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*/
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prefixed (prop, prefix) {
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prop = vendor.unprefixed(prop)
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return this.decl(prop).prefixed(prop, prefix)
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}
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/**
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* Return values, which must be prefixed in selected property
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*/
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values (type, prop) {
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let data = this[type]
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let global = data['*'] && data['*'].values
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let values = data[prop] && data[prop].values
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if (global && values) {
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return utils.uniq(global.concat(values))
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} else {
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return global || values || []
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}
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}
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/**
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* Group declaration by unprefixed property to check them
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*/
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group (decl) {
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let rule = decl.parent
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let index = rule.index(decl)
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let { length } = rule.nodes
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let unprefixed = this.unprefixed(decl.prop)
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let checker = (step, callback) => {
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index += step
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while (index >= 0 && index < length) {
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let other = rule.nodes[index]
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if (other.type === 'decl') {
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if (step === -1 && other.prop === unprefixed) {
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if (!Browsers.withPrefix(other.value)) {
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break
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}
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}
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if (this.unprefixed(other.prop) !== unprefixed) {
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break
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} else if (callback(other) === true) {
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return true
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}
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if (step === +1 && other.prop === unprefixed) {
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if (!Browsers.withPrefix(other.value)) {
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break
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}
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}
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}
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index += step
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}
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return false
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}
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return {
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up (callback) {
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return checker(-1, callback)
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},
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down (callback) {
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return checker(+1, callback)
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}
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}
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}
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}
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module.exports = Prefixes
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