68 lines
1.8 KiB
JavaScript
68 lines
1.8 KiB
JavaScript
|
'use strict'
|
||
|
|
|
||
|
|
let NoWorkResult = require('./no-work-result')
|
||
|
|
let LazyResult = require('./lazy-result')
|
||
|
|
let Document = require('./document')
|
||
|
|
let Root = require('./root')
|
||
|
|
|
||
|
|
class Processor {
|
||
|
|
constructor(plugins = []) {
|
||
|
|
this.version = '8.4.31'
|
||
|
|
this.plugins = this.normalize(plugins)
|
||
|
|
}
|
||
|
|
|
||
|
|
normalize(plugins) {
|
||
|
|
let normalized = []
|
||
|
|
for (let i of plugins) {
|
||
|
|
if (i.postcss === true) {
|
||
|
|
i = i()
|
||
|
|
} else if (i.postcss) {
|
||
|
|
i = i.postcss
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof i === 'object' && Array.isArray(i.plugins)) {
|
||
|
|
normalized = normalized.concat(i.plugins)
|
||
|
|
} else if (typeof i === 'object' && i.postcssPlugin) {
|
||
|
|
normalized.push(i)
|
||
|
|
} else if (typeof i === 'function') {
|
||
|
|
normalized.push(i)
|
||
|
|
} else if (typeof i === 'object' && (i.parse || i.stringify)) {
|
||
|
|
if (process.env.NODE_ENV !== 'production') {
|
||
|
|
throw new Error(
|
||
|
|
'PostCSS syntaxes cannot be used as plugins. Instead, please use ' +
|
||
|
|
'one of the syntax/parser/stringifier options as outlined ' +
|
||
|
|
'in your PostCSS runner documentation.'
|
||
|
|
)
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
throw new Error(i + ' is not a PostCSS plugin')
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return normalized
|
||
|
|
}
|
||
|
|
|
||
|
|
process(css, opts = {}) {
|
||
|
|
if (
|
||
|
|
this.plugins.length === 0 &&
|
||
|
|
typeof opts.parser === 'undefined' &&
|
||
|
|
typeof opts.stringifier === 'undefined' &&
|
||
|
|
typeof opts.syntax === 'undefined'
|
||
|
|
) {
|
||
|
|
return new NoWorkResult(this, css, opts)
|
||
|
|
} else {
|
||
|
|
return new LazyResult(this, css, opts)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
use(plugin) {
|
||
|
|
this.plugins = this.plugins.concat(this.normalize([plugin]))
|
||
|
|
return this
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = Processor
|
||
|
|
Processor.default = Processor
|
||
|
|
|
||
|
|
Root.registerProcessor(Processor)
|
||
|
|
Document.registerProcessor(Processor)
|