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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | 1x 4x 4x 19x 19x 80x 14x 14x 13x 1x 2x 15x 14x 14x 14x 14x 1x | // vue compiler module for transforming `<tag>:<attribute>` to `require`
import { urlToRequire, ASTNode, Attr } from './utils'
export interface AssetURLOptions {
[name: string]: string | string[]
}
const defaultOptions: AssetURLOptions = {
video: ['src', 'poster'],
source: 'src',
img: 'src',
image: ['xlink:href', 'href']
}
export default (userOptions?: AssetURLOptions) => {
const options = userOptions
? Object.assign({}, defaultOptions, userOptions)
: defaultOptions
return {
postTransformNode: (node: ASTNode) => {
transform(node, options)
}
}
}
function transform(node: ASTNode, options: AssetURLOptions) {
for (const tag in options) {
if ((tag === '*' || node.tag === tag) && node.attrs) {
const attributes = options[tag]
if (typeof attributes === 'string') {
node.attrs.some(attr => rewrite(attr, attributes))
} else Eif (Array.isArray(attributes)) {
attributes.forEach(item => node.attrs.some(attr => rewrite(attr, item)))
}
}
}
}
function rewrite(attr: Attr, name: string) {
if (attr.name === name) {
const value = attr.value
// only transform static URLs
Eif (value.charAt(0) === '"' && value.charAt(value.length - 1) === '"') {
attr.value = urlToRequire(value.slice(1, -1))
return true
}
}
return false
}
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