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增加对~开头资源路径处理 #32

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增加对~开头资源路径处理 #32

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2fd2e09
support asset from node_modules
Jul 5, 2018
2bc09f5
add error handler
Jul 10, 2018
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2 changes: 1 addition & 1 deletion lib/template-compiler/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ module.exports = function (html) {
var defaultModules = [transformRequire(options.transformToRequire, {
outputPath: this.options.output.path,
resourcePath: this.resourcePath
})]
}, this.emitError)]

var userModules = vueOptions.compilerModules || options.compilerModules
// for HappyPack cross-process use cases
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25 changes: 14 additions & 11 deletions lib/template-compiler/modules/transform-require.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,50 +9,53 @@ var defaultOptions = {
image: 'xlink:href'
}

module.exports = (userOptions, fileOptions) => {
module.exports = (userOptions, fileOptions, emitError) => {
var options = userOptions
? Object.assign({}, defaultOptions, userOptions)
: defaultOptions

return {
postTransformNode: node => {
transform(node, options, fileOptions)
transform(node, options, fileOptions, emitError)
}
}
}

function transform (node, options, fileOptions) {
function transform (node, options, fileOptions, emitError) {
for (var tag in options) {
if (node.tag === tag && node.attrs) {
var attributes = options[tag]
if (typeof attributes === 'string') {
rewrite(node.attrsMap, attributes, fileOptions)
rewrite(node.attrsMap, attributes, fileOptions, emitError)
} else if (Array.isArray(attributes)) {
attributes.forEach(item => rewrite(node.attrsMap, item, fileOptions))
attributes.forEach(item => rewrite(node.attrsMap, item, fileOptions, emitError))
}
}
}
}

function rewrite (attrsMap, name, fileOptions) {
function rewrite (attrsMap, name, fileOptions, emitError) {
var value = attrsMap[name]
if (value) {
var firstChar = value.charAt(0)
if (firstChar === '.') {
if (firstChar === '.' || firstChar === '~') {
// 资源路径
var assetPath = path.resolve(path.dirname(fileOptions.resourcePath), value)
var assetPath = firstChar === '.'
? path.resolve(path.dirname(fileOptions.resourcePath), value)
: path.resolve(process.cwd(), 'node_modules', value.slice(1))
// 重写路径，为了避免重名，在webpack输出目录下新建copy-asset目录，资源保存到这里
var assetOutputPath = path.join('copy-asset', path.relative(process.cwd(), assetPath).replace(/^src/, ''))
attrsMap[name] = `/${assetOutputPath.split(path.sep).join('/')}`
copyAsset(assetPath, path.resolve(fileOptions.outputPath, assetOutputPath))
copyAsset(assetPath, path.resolve(fileOptions.outputPath, assetOutputPath), emitError)
}
}
}

function copyAsset (from, to) {
function copyAsset (from, to, emitError) {
var readStream = fs.createReadStream(from)
readStream.on('error', emitError)
mkdirp(path.dirname(to), err => {
if (err) console.error(err)
if (err) emitError(err)
var writeStream = fs.createWriteStream(to)
readStream.pipe(writeStream)
})
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