ce4c83ff
 wxy
初始提交
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var postcss = require('postcss')
var loaderUtils = require('loader-utils')
var loadPostcssConfig = require('./load-postcss-config')
var trim = require('./plugins/trim')
var scopeId = require('./plugins/scope-id')
module.exports = function (css, map) {
this.cacheable()
var cb = this.async()
var query = loaderUtils.getOptions(this) || {}
var vueOptions = this.options.__vueOptions__
if (!vueOptions) {
if (query.hasInlineConfig) {
this.emitError(
`\n [vue-loader] It seems you are using HappyPack with inline postcss ` +
`options for vue-loader. This is not supported because loaders running ` +
`in different threads cannot share non-serializable options. ` +
`It is recommended to use a postcss config file instead.\n` +
`\n See http://vue-loader.vuejs.org/en/features/postcss.html#using-a-config-file for more details.\n`
)
}
vueOptions = Object.assign({}, this.options.vue, this.vue)
}
loadPostcssConfig(this, vueOptions.postcss).then(config => {
var plugins = [trim].concat(config.plugins)
var options = Object.assign({
to: this.resourcePath,
from: this.resourcePath,
map: false
}, config.options)
// add plugin for vue-loader scoped css rewrite
if (query.scoped) {
plugins.push(scopeId({ id: query.id }))
}
// source map
if (
this.sourceMap &&
!this.minimize &&
vueOptions.cssSourceMap !== false &&
process.env.NODE_ENV !== 'production' &&
!options.map
) {
options.map = {
inline: false,
annotation: false,
prev: map
}
}
return postcss(plugins)
.process(css, options)
.then(result => {
if (result.messages) {
result.messages.forEach(m => {
if (m.type === 'dependency') {
this.addDependency(m.file)
}
})
}
var map = result.map && result.map.toJSON()
cb(null, result.css, map)
return null // silence bluebird warning
})
}).catch(e => {
console.error(e)
cb(e)
})
}
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