vue hello world项目
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3 years ago
'use strict'
let Container = require('./container')
let LazyResult, Processor
class Root extends Container {
constructor(defaults) {
super(defaults)
this.type = 'root'
if (!this.nodes) this.nodes = []
}
removeChild(child, ignore) {
let index = this.index(child)
if (!ignore && index === 0 && this.nodes.length > 1) {
this.nodes[1].raws.before = this.nodes[index].raws.before
}
return super.removeChild(child)
}
normalize(child, sample, type) {
let nodes = super.normalize(child)
if (sample) {
if (type === 'prepend') {
if (this.nodes.length > 1) {
sample.raws.before = this.nodes[1].raws.before
} else {
delete sample.raws.before
}
} else if (this.first !== sample) {
for (let node of nodes) {
node.raws.before = sample.raws.before
}
}
}
return nodes
}
toResult(opts = {}) {
let lazy = new LazyResult(new Processor(), this, opts)
return lazy.stringify()
}
}
Root.registerLazyResult = dependant => {
LazyResult = dependant
}
Root.registerProcessor = dependant => {
Processor = dependant
}
module.exports = Root
Root.default = Root