131 lines
3.6 KiB
JavaScript
131 lines
3.6 KiB
JavaScript
const path = require('path')
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const { resolveEntry, fileToComponentName } = require('./resolveWcEntry')
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module.exports = (api, { target, entry, name }) => {
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// Disable CSS extraction and turn on CSS shadow mode for vue-style-loader
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process.env.VUE_CLI_CSS_SHADOW_MODE = true
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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 isAsync = /async/.test(target)
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// generate dynamic entry based on glob files
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const resolvedFiles = require('globby').sync([entry], { cwd: api.resolve('.') })
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if (!resolvedFiles.length) {
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abort(`entry pattern "${entry}" did not match any files.`)
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}
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let libName
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let prefix
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if (resolvedFiles.length === 1) {
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// in single mode, determine the lib name from filename
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libName = name || fileToComponentName('', resolvedFiles[0]).kebabName
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prefix = ''
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if (libName.indexOf('-') < 0) {
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abort(`--name must contain a hyphen when building a single web component.`)
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}
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} else {
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// multi mode
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libName = prefix = (name || api.service.pkg.name)
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if (!libName) {
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abort(`--name is required when building multiple web components.`)
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}
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}
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const dynamicEntry = resolveEntry(prefix, libName, resolvedFiles, isAsync)
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function genConfig (minify, genHTML) {
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const config = api.resolveChainableWebpackConfig()
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// make sure not to transpile wc-wrapper
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config.module
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.rule('js')
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.exclude
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.add(/vue-wc-wrapper/)
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// only minify min entry
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if (!minify) {
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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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...config.get('externals'),
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vue: 'Vue'
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})
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config
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.plugin('web-component-options')
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.use(require('webpack/lib/DefinePlugin'), [{
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'process.env': {
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CUSTOM_ELEMENT_NAME: JSON.stringify(libName)
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}
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}])
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// enable shadow mode in vue-loader
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config.module
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.rule('vue')
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.use('vue-loader')
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.tap(options => {
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options.shadowMode = true
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return options
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})
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if (genHTML) {
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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, `./demo-wc.html`),
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inject: false,
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filename: 'demo.html',
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libName,
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components:
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prefix === ''
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? [libName]
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: resolvedFiles.map(file => {
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return fileToComponentName(prefix, file).kebabName
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})
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}])
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}
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// set entry/output last so it takes higher priority than user
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// configureWebpack hooks
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// set proxy entry for *.vue files
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config.resolve
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.alias
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.set('~root', api.resolve('.'))
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const rawConfig = api.resolveWebpackConfig(config)
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const entryName = `${libName}${minify ? `.min` : ``}`
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rawConfig.entry = {
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[entryName]: dynamicEntry
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}
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Object.assign(rawConfig.output, {
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// to ensure that multiple copies of async wc bundles can co-exist
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// on the same page.
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jsonpFunction: libName.replace(/-\w/g, c => c.charAt(1).toUpperCase()) + '_jsonp',
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filename: `${entryName}.js`,
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chunkFilename: `${libName}.[name]${minify ? `.min` : ``}.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(false, true),
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genConfig(true, false)
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]
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}
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