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115 lines
3.4 KiB
115 lines
3.4 KiB
const url = require('url')
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const transformAssetUrls = {
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audio: 'src',
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video: ['src', 'poster'],
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img: 'src',
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image: 'src',
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'cover-image': 'src',
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// h5
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'v-uni-audio': 'src',
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'v-uni-video': ['src', 'poster'],
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'v-uni-image': 'src',
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'v-uni-cover-image': 'src',
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// nvue
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'u-image': 'src',
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'u-video': ['src', 'poster']
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}
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function urlToRequire (url) {
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const returnValue = `"${url}"`
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// same logic as in transform-require.js
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const firstChar = url.charAt(0)
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if (firstChar === '.' || firstChar === '~' || firstChar === '@') {
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if (firstChar === '~') {
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const secondChar = url.charAt(1)
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url = url.slice(secondChar === '/' ? 2 : 1)
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}
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const uriParts = parseUriParts(url)
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if (!uriParts.hash) { // fixed by xxxxxx (v3 template中需要加/)
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return `require("${url}")`
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} else { // fixed by xxxxxx (v3 template中需要加/)
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// support uri fragment case by excluding it from
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// the require and instead appending it as string;
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// assuming that the path part is sufficient according to
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// the above caseing(t.i. no protocol-auth-host parts expected)
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return `require("${uriParts.path}") + "${uriParts.hash}"`
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}
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}
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return returnValue
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}
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/**
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* vuejs/component-compiler-utils#22 Support uri fragment in transformed require
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* @param urlString an url as a string
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*/
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function parseUriParts (urlString) {
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// initialize return value
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/* eslint-disable node/no-deprecated-api */
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const returnValue = url.parse('')
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if (urlString) {
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// A TypeError is thrown if urlString is not a string
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// @see https://nodejs.org/api/url.html#url_url_parse_urlstring_parsequerystring_slashesdenotehost
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if (typeof urlString === 'string') {
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// check is an uri
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/* eslint-disable node/no-deprecated-api */
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return url.parse(urlString) // take apart the uri
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}
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}
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return returnValue
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}
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function rewrite (attr, name, options) {
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if (attr.name === name) {
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const value = attr.value
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// only transform static URLs
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if (value.charAt(0) === '"' && value.charAt(value.length - 1) === '"') {
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if (!options.h5) { // 非 H5 平台
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attr.value = attr.value
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.replace('"@/', '"/')
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.replace('"~@/', '"/')
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}
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// v3,h5
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const needRequire = options.service || options.view || options.h5
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if (needRequire) {
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attr.value = urlToRequire(attr.value.slice(1, -1))
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if (
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options.h5 &&
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options.publicPath === './' &&
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attr.value.startsWith('require("')
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) { // require
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// h5 且 publicPath 为 ./ (仅生产模式可能为./)
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attr.value = `(${attr.value}).replace(/^\\./,'')`
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}
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}
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return true
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}
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}
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return false
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}
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module.exports = {
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postTransformNode: (node, options) => {
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if (!node.attrs) {
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return
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}
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const attributes = transformAssetUrls[node.tag]
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if (!attributes) {
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return
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}
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if (typeof attributes === 'string') {
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if (node.attrs.some(attr => rewrite(attr, attributes, options))) {
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if (options.service || options.view) {
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node.hasBindings = true
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}
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}
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} else if (Array.isArray(attributes)) {
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attributes.forEach(item => {
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if (node.attrs.some(attr => rewrite(attr, item, options))) {
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if (options.service || options.view) {
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node.hasBindings = true
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}
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}
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})
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}
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}
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}
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