postcss.js
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'use strict'
let CssSyntaxError = require('./css-syntax-error')
let Declaration = require('./declaration')
let LazyResult = require('./lazy-result')
let Container = require('./container')
let Processor = require('./processor')
let stringify = require('./stringify')
let fromJSON = require('./fromJSON')
let Document = require('./document')
let Warning = require('./warning')
let Comment = require('./comment')
let AtRule = require('./at-rule')
let Result = require('./result.js')
let Input = require('./input')
let parse = require('./parse')
let list = require('./list')
let Rule = require('./rule')
let Root = require('./root')
let Node = require('./node')
function postcss(...plugins) {
if (plugins.length === 1 && Array.isArray(plugins[0])) {
plugins = plugins[0]
}
return new Processor(plugins)
}
postcss.plugin = function plugin(name, initializer) {
let warningPrinted = false
function creator(...args) {
// eslint-disable-next-line no-console
if (console && console.warn && !warningPrinted) {
warningPrinted = true
// eslint-disable-next-line no-console
console.warn(
name +
': postcss.plugin was deprecated. Migration guide:\n' +
'https://evilmartians.com/chronicles/postcss-8-plugin-migration'
)
if (process.env.LANG && process.env.LANG.startsWith('cn')) {
/* c8 ignore next 7 */
// eslint-disable-next-line no-console
console.warn(
name +
': 里面 postcss.plugin 被弃用. 迁移指南:\n' +
'https://www.w3ctech.com/topic/2226'
)
}
}
let transformer = initializer(...args)
transformer.postcssPlugin = name
transformer.postcssVersion = new Processor().version
return transformer
}
let cache
Object.defineProperty(creator, 'postcss', {
get() {
if (!cache) cache = creator()
return cache
}
})
creator.process = function (css, processOpts, pluginOpts) {
return postcss([creator(pluginOpts)]).process(css, processOpts)
}
return creator
}
postcss.stringify = stringify
postcss.parse = parse
postcss.fromJSON = fromJSON
postcss.list = list
postcss.comment = defaults => new Comment(defaults)
postcss.atRule = defaults => new AtRule(defaults)
postcss.decl = defaults => new Declaration(defaults)
postcss.rule = defaults => new Rule(defaults)
postcss.root = defaults => new Root(defaults)
postcss.document = defaults => new Document(defaults)
postcss.CssSyntaxError = CssSyntaxError
postcss.Declaration = Declaration
postcss.Container = Container
postcss.Processor = Processor
postcss.Document = Document
postcss.Comment = Comment
postcss.Warning = Warning
postcss.AtRule = AtRule
postcss.Result = Result
postcss.Input = Input
postcss.Rule = Rule
postcss.Root = Root
postcss.Node = Node
LazyResult.registerPostcss(postcss)
module.exports = postcss
postcss.default = postcss