mirror of
https://github.com/vuejs/vue-cli.git
synced 2026-02-11 17:38:27 -06:00
125 lines
3.5 KiB
JavaScript
125 lines
3.5 KiB
JavaScript
const fs = require('fs')
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const path = require('path')
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module.exports = (api, { entry, name }, options) => {
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// inline all static asset files since there is no publicPath handling
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process.env.VUE_CLI_INLINE_LIMIT = Infinity
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const { log, error } = require('@vue/cli-shared-utils')
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const abort = msg => {
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log()
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error(msg)
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process.exit(1)
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}
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const fullEntryPath = api.resolve(entry)
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if (!fs.existsSync(fullEntryPath)) {
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abort(
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`Failed to resolve lib entry: ${entry}${entry === `src/App.vue` ? ' (default)' : ''}. ` +
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`Make sure to specify the correct entry file.`
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)
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}
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const isVueEntry = /\.vue$/.test(entry)
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const libName = (
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name ||
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api.service.pkg.name ||
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path.basename(entry).replace(/\.(jsx?|vue)$/, '')
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)
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function genConfig (format, postfix = format, genHTML) {
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const config = api.resolveChainableWebpackConfig()
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// adjust css output name so they write to the same file
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if (config.plugins.has('extract-css')) {
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config
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.plugin('extract-css')
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.tap(args => {
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args[0].filename = `${libName}.css`
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return args
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})
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}
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// only minify min entry
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if (!/\.min/.test(postfix)) {
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config.optimization.minimize(false)
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}
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// externalize Vue in case user imports it
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config
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.externals({
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vue: {
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commonjs: 'vue',
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commonjs2: 'vue',
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root: 'Vue'
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}
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})
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// inject demo page for umd
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if (genHTML) {
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const template = isVueEntry ? 'demo-lib.html' : 'demo-lib-js.html'
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config
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.plugin('demo-html')
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.use(require('html-webpack-plugin'), [{
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template: path.resolve(__dirname, template),
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inject: false,
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filename: 'demo.html',
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libName
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}])
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}
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// resolve entry/output
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const entryName = `${libName}.${postfix}`
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config.resolve
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.alias
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.set('~entry', fullEntryPath)
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// set output target before user configureWebpack hooks are applied
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config.output.libraryTarget(format)
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// set entry/output after user configureWebpack hooks are applied
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const rawConfig = api.resolveWebpackConfig(config)
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let realEntry = require.resolve('./entry-lib.js')
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// avoid importing default if user entry file does not have default export
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if (!isVueEntry) {
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const entryContent = fs.readFileSync(fullEntryPath, 'utf-8')
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if (!/\b(export\s+default|export\s{[^}]+as\s+default)\b/.test(entryContent)) {
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realEntry = require.resolve('./entry-lib-no-default.js')
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}
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}
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rawConfig.entry = {
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[entryName]: realEntry
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}
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rawConfig.output = Object.assign({
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library: libName,
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libraryExport: isVueEntry ? 'default' : undefined,
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libraryTarget: format,
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// preserve UDM header from webpack 3 until webpack provides either
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// libraryTarget: 'esm' or target: 'universal'
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// https://github.com/webpack/webpack/issues/6522
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// https://github.com/webpack/webpack/issues/6525
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globalObject: `(typeof self !== 'undefined' ? self : this)`
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}, rawConfig.output, {
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filename: `${entryName}.js`,
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chunkFilename: `${entryName}.[name].js`,
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// use dynamic publicPath so this can be deployed anywhere
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// the actual path will be determined at runtime by checking
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// document.currentScript.src.
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publicPath: ''
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})
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return rawConfig
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}
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return [
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genConfig('commonjs2', 'common'),
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genConfig('umd', undefined, true),
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genConfig('umd', 'umd.min')
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]
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}
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