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const defaults = {
clean: true,
target: 'app',
formats: 'commonjs,umd,umd-min',
'unsafe-inline': true
}
const buildModes = {
lib: 'library',
wc: 'web component',
'wc-async': 'web component (async)'
}
const modifyConfig = (config, fn) => {
if (Array.isArray(config)) {
config.forEach(c => fn(c))
} else {
fn(config)
}
}
module.exports = (api, options) => {
api.registerCommand('build', {
description: 'build for production',
usage: 'vue-cli-service build [options] [entry|pattern]',
options: {
'--mode': `specify env mode (default: production)`,
'--dest': `specify output directory (default: ${options.outputDir})`,
'--modern': `build app targeting modern browsers with auto fallback`,
'--no-unsafe-inline': `build app without introducing inline scripts`,
'--target': `app | lib | wc | wc-async (default: ${defaults.target})`,
'--inline-vue': 'include the Vue module in the final bundle of library or web component target',
'--formats': `list of output formats for library builds (default: ${defaults.formats})`,
'--name': `name for lib or web-component mode (default: "name" in package.json or entry filename)`,
'--filename': `file name for output, only usable for 'lib' target (default: value of --name)`,
'--no-clean': `do not remove the dist directory before building the project`,
'--report': `generate report.html to help analyze bundle content`,
'--report-json': 'generate report.json to help analyze bundle content',
'--skip-plugins': `comma-separated list of plugin names to skip for this run`,
'--watch': `watch for changes`,
'--stdin': `close when stdin ends`
}
}, async (args, rawArgs) => {
for (const key in defaults) {
if (args[key] == null) {
args[key] = defaults[key]
}
}
args.entry = args.entry || args._[0]
if (args.target !== 'app') {
args.entry = args.entry || 'src/App.vue'
}
process.env.VUE_CLI_BUILD_TARGET = args.target
if (args.modern && args.target === 'app') {
process.env.VUE_CLI_MODERN_MODE = true
if (!process.env.VUE_CLI_MODERN_BUILD) {
// main-process for legacy build
await build(Object.assign({}, args, {
modernBuild: false,
keepAlive: true
}), api, options)
// spawn sub-process of self for modern build
const { execa } = require('@vue/cli-shared-utils')
const cliBin = require('path').resolve(__dirname, '../../../bin/vue-cli-service.js')
await execa('node', [cliBin, 'build', ...rawArgs], {
stdio: 'inherit',
env: {
VUE_CLI_MODERN_BUILD: true
}
})
} else {
// sub-process for modern build
await build(Object.assign({}, args, {
modernBuild: true,
clean: false
}), api, options)
}
delete process.env.VUE_CLI_MODERN_MODE
} else {
if (args.modern) {
const { warn } = require('@vue/cli-shared-utils')
warn(
`Modern mode only works with default target (app). ` +
`For libraries or web components, use the browserslist ` +
`config to specify target browsers.`
)
}
await build(args, api, options)
}
delete process.env.VUE_CLI_BUILD_TARGET
})
}
async function build (args, api, options) {
const fs = require('fs-extra')
const path = require('path')
const webpack = require('webpack')
const { chalk } = require('@vue/cli-shared-utils')
const formatStats = require('./formatStats')
const validateWebpackConfig = require('../../util/validateWebpackConfig')
const {
log,
done,
info,
logWithSpinner,
stopSpinner
} = require('@vue/cli-shared-utils')
log()
const mode = api.service.mode
if (args.target === 'app') {
const bundleTag = args.modern
? args.modernBuild
? `modern bundle `
: `legacy bundle `
: ``
logWithSpinner(`Building ${bundleTag}for ${mode}...`)
} else {
const buildMode = buildModes[args.target]
if (buildMode) {
const additionalParams = buildMode === 'library' ? ` (${args.formats})` : ``
logWithSpinner(`Building for ${mode} as ${buildMode}${additionalParams}...`)
} else {
throw new Error(`Unknown build target: ${args.target}`)
}
}
if (args.dest) {
// Override outputDir before resolving webpack config as config relies on it (#2327)
options.outputDir = args.dest
}
const targetDir = api.resolve(options.outputDir)
const isLegacyBuild = args.target === 'app' && args.modern && !args.modernBuild
// resolve raw webpack config
let webpackConfig
if (args.target === 'lib') {
webpackConfig = require('./resolveLibConfig')(api, args, options)
} else if (
args.target === 'wc' ||
args.target === 'wc-async'
) {
webpackConfig = require('./resolveWcConfig')(api, args, options)
} else {
webpackConfig = require('./resolveAppConfig')(api, args, options)
}
// check for common config errors
validateWebpackConfig(webpackConfig, api, options, args.target)
if (args.watch) {
modifyConfig(webpackConfig, config => {
config.watch = true
})
}
if (args.stdin) {
process.stdin.on('end', () => {
process.exit(0)
})
process.stdin.resume()
}
// Expose advanced stats
if (args.dashboard) {
const DashboardPlugin = require('../../webpack/DashboardPlugin')
modifyConfig(webpackConfig, config => {
config.plugins.push(new DashboardPlugin({
type: 'build',
modernBuild: args.modernBuild,
keepAlive: args.keepAlive
}))
})
}
if (args.report || args['report-json']) {
const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer')
modifyConfig(webpackConfig, config => {
const bundleName = args.target !== 'app'
? config.output.filename.replace(/\.js$/, '-')
: isLegacyBuild ? 'legacy-' : ''
config.plugins.push(new BundleAnalyzerPlugin({
logLevel: 'warn',
openAnalyzer: false,
analyzerMode: args.report ? 'static' : 'disabled',
reportFilename: `${bundleName}report.html`,
statsFilename: `${bundleName}report.json`,
generateStatsFile: !!args['report-json']
}))
})
}
if (args.clean) {
await fs.remove(targetDir)
}
return new Promise((resolve, reject) => {
webpack(webpackConfig, (err, stats) => {
stopSpinner(false)
if (err) {
return reject(err)
}
if (stats.hasErrors()) {
return reject(`Build failed with errors.`)
}
if (!args.silent) {
const targetDirShort = path.relative(
api.service.context,
targetDir
)
log(formatStats(stats, targetDirShort, api))
if (args.target === 'app' && !isLegacyBuild) {
if (!args.watch) {
done(`Build complete. The ${chalk.cyan(targetDirShort)} directory is ready to be deployed.`)
info(`Check out deployment instructions at ${chalk.cyan(`https://cli.vuejs.org/guide/deployment.html`)}\n`)
} else {
done(`Build complete. Watching for changes...`)
}
}
}
// test-only signal
if (process.env.VUE_CLI_TEST) {
console.log('Build complete.')
}
resolve()
})
})
}
module.exports.defaultModes = {
build: 'production'
}
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