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| author | littleblack111 <littleblack11111@gmail.com> | 2026-05-18 23:10:59 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2026-05-18 23:41:44 +0800 |
| commit | fc87c009806dcc98867f6b58efe29b042aa01dee (patch) | |
| tree | 8f59b3f4a5b66e9dfef2d40c8d318e258a521228 /node_modules/autoprefixer/lib/transition.js | |
| parent | 3336b2356ee6152d9c6ae59bd9b87ccbc0958407 (diff) | |
node: updatemain
Diffstat (limited to 'node_modules/autoprefixer/lib/transition.js')
| -rw-r--r-- | node_modules/autoprefixer/lib/transition.js | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/node_modules/autoprefixer/lib/transition.js b/node_modules/autoprefixer/lib/transition.js deleted file mode 100644 index 7137eab6..00000000 --- a/node_modules/autoprefixer/lib/transition.js +++ /dev/null @@ -1,329 +0,0 @@ -let { list } = require('postcss') -let parser = require('postcss-value-parser') - -let Browsers = require('./browsers') -let vendor = require('./vendor') - -class Transition { - constructor(prefixes) { - this.props = ['transition', 'transition-property'] - this.prefixes = prefixes - } - - /** - * Process transition and add prefixes for all necessary properties - */ - add(decl, result) { - let prefix, prop - let add = this.prefixes.add[decl.prop] - let vendorPrefixes = this.ruleVendorPrefixes(decl) - let declPrefixes = vendorPrefixes || (add && add.prefixes) || [] - - let params = this.parse(decl.value) - let names = params.map(i => this.findProp(i)) - let added = [] - - if (names.some(i => i[0] === '-')) { - return - } - - for (let param of params) { - prop = this.findProp(param) - if (prop[0] === '-') continue - - let prefixer = this.prefixes.add[prop] - if (!prefixer || !prefixer.prefixes) continue - - for (prefix of prefixer.prefixes) { - if (vendorPrefixes && !vendorPrefixes.some(p => prefix.includes(p))) { - continue - } - - let prefixed = this.prefixes.prefixed(prop, prefix) - if (prefixed !== '-ms-transform' && !names.includes(prefixed)) { - if (!this.disabled(prop, prefix)) { - added.push(this.clone(prop, prefixed, param)) - } - } - } - } - - params = params.concat(added) - let value = this.stringify(params) - - let webkitClean = this.stringify( - this.cleanFromUnprefixed(params, '-webkit-') - ) - if (declPrefixes.includes('-webkit-')) { - this.cloneBefore(decl, `-webkit-${decl.prop}`, webkitClean) - } - this.cloneBefore(decl, decl.prop, webkitClean) - if (declPrefixes.includes('-o-')) { - let operaClean = this.stringify(this.cleanFromUnprefixed(params, '-o-')) - this.cloneBefore(decl, `-o-${decl.prop}`, operaClean) - } - - for (prefix of declPrefixes) { - if (prefix !== '-webkit-' && prefix !== '-o-') { - let prefixValue = this.stringify( - this.cleanOtherPrefixes(params, prefix) - ) - this.cloneBefore(decl, prefix + decl.prop, prefixValue) - } - } - - if (value !== decl.value && !this.already(decl, decl.prop, value)) { - this.checkForWarning(result, decl) - decl.cloneBefore() - decl.value = value - } - } - - /** - * Does we already have this declaration - */ - already(decl, prop, value) { - return decl.parent.some(i => i.prop === prop && i.value === value) - } - - /** - * Show transition-property warning - */ - checkForWarning(result, decl) { - if (decl.prop !== 'transition-property') { - return - } - - let isPrefixed = false - let hasAssociatedProp = false - - decl.parent.each(i => { - if (i.type !== 'decl') { - return undefined - } - if (i.prop.indexOf('transition-') !== 0) { - return undefined - } - let values = list.comma(i.value) - // check if current Rule's transition-property comma separated value list needs prefixes - if (i.prop === 'transition-property') { - values.forEach(value => { - let lookup = this.prefixes.add[value] - if (lookup && lookup.prefixes && lookup.prefixes.length > 0) { - isPrefixed = true - } - }) - return undefined - } - // check if another transition-* prop in current Rule has comma separated value list - hasAssociatedProp = hasAssociatedProp || values.length > 1 - return false - }) - - if (isPrefixed && hasAssociatedProp) { - decl.warn( - result, - 'Replace transition-property to transition, ' + - 'because Autoprefixer could not support ' + - 'any cases of transition-property ' + - 'and other transition-*' - ) - } - } - - /** - * Remove all non-webkit prefixes and unprefixed params if we have prefixed - */ - cleanFromUnprefixed(params, prefix) { - let remove = params - .map(i => this.findProp(i)) - .filter(i => i.slice(0, prefix.length) === prefix) - .map(i => this.prefixes.unprefixed(i)) - - let result = [] - for (let param of params) { - let prop = this.findProp(param) - let p = vendor.prefix(prop) - if (!remove.includes(prop) && (p === prefix || p === '')) { - result.push(param) - } - } - return result - } - - cleanOtherPrefixes(params, prefix) { - return params.filter(param => { - let current = vendor.prefix(this.findProp(param)) - return current === '' || current === prefix - }) - } - - /** - * Return new param array with different name - */ - clone(origin, name, param) { - let result = [] - let changed = false - for (let i of param) { - if (!changed && i.type === 'word' && i.value === origin) { - result.push({ type: 'word', value: name }) - changed = true - } else { - result.push(i) - } - } - return result - } - - /** - * Add declaration if it is not exist - */ - cloneBefore(decl, prop, value) { - if (!this.already(decl, prop, value)) { - decl.cloneBefore({ prop, value }) - } - } - - /** - * Check property for disabled by option - */ - disabled(prop, prefix) { - let other = ['order', 'justify-content', 'align-self', 'align-content'] - if (prop.includes('flex') || other.includes(prop)) { - if (this.prefixes.options.flexbox === false) { - return true - } - - if (this.prefixes.options.flexbox === 'no-2009') { - return prefix.includes('2009') - } - } - return undefined - } - - /** - * Find or create separator - */ - div(params) { - for (let param of params) { - for (let node of param) { - if (node.type === 'div' && node.value === ',') { - return node - } - } - } - return { after: ' ', type: 'div', value: ',' } - } - - /** - * Find property name - */ - findProp(param) { - let prop = param[0].value - if (/^\d/.test(prop)) { - for (let [i, token] of param.entries()) { - if (i !== 0 && token.type === 'word') { - return token.value - } - } - } - return prop - } - - /** - * Parse properties list to array - */ - parse(value) { - let ast = parser(value) - let result = [] - let param = [] - for (let node of ast.nodes) { - param.push(node) - if (node.type === 'div' && node.value === ',') { - result.push(param) - param = [] - } - } - result.push(param) - return result.filter(i => i.length > 0) - } - - /** - * Process transition and remove all unnecessary properties - */ - remove(decl) { - let params = this.parse(decl.value) - params = params.filter(i => { - let prop = this.prefixes.remove[this.findProp(i)] - return !prop || !prop.remove - }) - let value = this.stringify(params) - - if (decl.value === value) { - return - } - - if (params.length === 0) { - decl.remove() - return - } - - let double = decl.parent.some(i => { - return i.prop === decl.prop && i.value === value - }) - let smaller = decl.parent.some(i => { - return i !== decl && i.prop === decl.prop && i.value.length > value.length - }) - - if (double || smaller) { - decl.remove() - return - } - - decl.value = value - } - - /** - * Check if transition prop is inside vendor specific rule - */ - ruleVendorPrefixes(decl) { - let { parent } = decl - - if (parent.type !== 'rule') { - return false - } else if (!parent.selector.includes(':-')) { - return false - } - - let selectors = Browsers.prefixes().filter(s => - parent.selector.includes(':' + s) - ) - - return selectors.length > 0 ? selectors : false - } - - /** - * Return properties string from array - */ - stringify(params) { - if (params.length === 0) { - return '' - } - let nodes = [] - for (let param of params) { - if (param[param.length - 1].type !== 'div') { - param.push(this.div(params)) - } - nodes = nodes.concat(param) - } - if (nodes[0].type === 'div') { - nodes = nodes.slice(1) - } - if (nodes[nodes.length - 1].type === 'div') { - nodes = nodes.slice(0, +-2 + 1 || undefined) - } - return parser.stringify({ nodes }) - } -} - -module.exports = Transition |
