import path from 'path' import fs from 'fs' import _ from 'lodash' import consola from 'consola' import { isPureObject, isUrl, guardDir } from '../common/utils' import modes from './modes' import defaults from './nuxt.config' // hasValue utility const hasValue = v => typeof v === 'string' && v const Options = {} export default Options Options.from = function (_options) { // Clone options to prevent unwanted side-effects const options = Object.assign({}, _options) // Normalize options if (options.loading === true) { delete options.loading } if ( options.router && options.router.middleware && !Array.isArray(options.router.middleware) ) { options.router.middleware = [options.router.middleware] } if (options.router && typeof options.router.base === 'string') { options._routerBaseSpecified = true } if (typeof options.transition === 'string') { options.transition = { name: options.transition } } if (typeof options.layoutTransition === 'string') { options.layoutTransition = { name: options.layoutTransition } } if (typeof options.extensions === 'string') { options.extensions = [options.extensions] } // Resolve rootDir options.rootDir = hasValue(options.rootDir) ? path.resolve(options.rootDir) : process.cwd() // Apply defaults by ${buildDir}/dist/build.config.js // TODO: Unsafe operation. // const buildDir = options.buildDir || defaults.buildDir // const buildConfig = resolve(options.rootDir, buildDir, 'build.config.js') // if (existsSync(buildConfig)) { // _.defaultsDeep(options, require(buildConfig)) // } // Apply defaults _.defaultsDeep(options, defaults) // Check srcDir and generate.dir excistence const hasSrcDir = hasValue(options.srcDir) const hasGenerateDir = hasValue(options.generate.dir) // Resolve srcDir options.srcDir = hasSrcDir ? path.resolve(options.rootDir, options.srcDir) : options.rootDir // Resolve buildDir options.buildDir = path.resolve(options.rootDir, options.buildDir) // Protect rootDir against buildDir guardDir(options, 'rootDir', 'buildDir') if (hasGenerateDir) { // Resolve generate.dir options.generate.dir = path.resolve(options.rootDir, options.generate.dir) // Protect rootDir against buildDir guardDir(options, 'rootDir', 'generate.dir') } if (hasSrcDir) { // Protect srcDir against buildDir guardDir(options, 'srcDir', 'buildDir') if (hasGenerateDir) { // Protect srcDir against generate.dir guardDir(options, 'srcDir', 'generate.dir') } } // Populate modulesDir options.modulesDir = [] .concat(options.modulesDir) .concat(path.join(options.nuxtDir, 'node_modules')) .filter(hasValue) .map(dir => path.resolve(options.rootDir, dir)) // Sanitize extensions if (options.extensions.indexOf('js') === -1) { options.extensions.unshift('js') } if (options.extensions.indexOf('mjs') === -1) { options.extensions.unshift('mjs') } // If app.html is defined, set the template path to the user template if (options.appTemplatePath === undefined) { options.appTemplatePath = path.resolve(options.buildDir, 'views/app.template.html') if (fs.existsSync(path.join(options.srcDir, 'app.html'))) { options.appTemplatePath = path.join(options.srcDir, 'app.html') } } else { options.appTemplatePath = path.resolve(options.srcDir, options.appTemplatePath) } // Ignore publicPath on dev /* istanbul ignore if */ if (options.dev && isUrl(options.build.publicPath)) { options.build.publicPath = defaults.build.publicPath } // If store defined, update store options to true unless explicitly disabled if ( options.store !== false && fs.existsSync(path.join(options.srcDir, options.dir.store)) && fs.readdirSync(path.join(options.srcDir, options.dir.store)) .find(filename => filename !== 'README.md' && filename[0] !== '.') ) { options.store = true } // SPA loadingIndicator if (options.loadingIndicator) { // Normalize loadingIndicator if (!isPureObject(options.loadingIndicator)) { options.loadingIndicator = { name: options.loadingIndicator } } // Apply defaults options.loadingIndicator = Object.assign( { name: 'default', color: (options.loading && options.loading.color) || '#D3D3D3', color2: '#F5F5F5', background: (options.manifest && options.manifest.theme_color) || 'white', dev: options.dev, loading: options.messages.loading }, options.loadingIndicator ) } // Debug errors if (options.debug === undefined) { options.debug = options.dev } // Apply default hash to CSP option const csp = options.render.csp const cspDefaults = { hashAlgorithm: 'sha256', allowedSources: undefined, policies: undefined, reportOnly: options.debug } if (csp) { options.render.csp = _.defaults(_.isObject(csp) ? csp : {}, cspDefaults) } // cssSourceMap if (options.build.cssSourceMap === undefined) { options.build.cssSourceMap = options.dev } // babel cacheDirectory if (options.build.babel.cacheDirectory === undefined) { options.build.babel.cacheDirectory = options.dev } // vue config const vueConfig = options.vue.config if (vueConfig.silent === undefined) { vueConfig.silent = !options.dev } if (vueConfig.performance === undefined) { vueConfig.performance = options.dev } // merge custom env with variables const eligibleEnvVariables = _.pick(process.env, Object.keys(process.env).filter(k => k.startsWith('NUXT_ENV_'))) Object.assign(options.env, eligibleEnvVariables) // Normalize ignore options.ignore = options.ignore ? [].concat(options.ignore) : [] // Append ignorePrefix glob to ignore if (typeof options.ignorePrefix === 'string') { options.ignore.push(`**/${options.ignorePrefix}*.*`) } // Compression middleware legacy if (options.render.gzip) { consola.warn('render.gzip is deprecated and will be removed in a future version! Please switch to render.compressor') options.render.compressor = options.render.gzip delete options.render.gzip } // Apply mode preset const modePreset = modes[options.mode || 'universal'] || modes.universal _.defaultsDeep(options, modePreset) // If no server-side rendering, add appear true transition /* istanbul ignore if */ if (options.render.ssr === false && options.transition) { options.transition.appear = true } // We assume the SPA fallback path is 404.html (for GitHub Pages, Surge, etc.) if (options.generate.fallback === true) { options.generate.fallback = '404.html' } if (options.build.stats === 'none' || options.build.quiet === true) { options.build.stats = false } // Vendor backward compatibility with nuxt 1.x if (typeof options.build.vendor !== 'undefined') { delete options.build.vendor consola.warn('vendor has been deprecated due to webpack4 optimization') } // TODO: remove when mini-css-extract-plugin supports HMR if (options.dev) { options.build.extractCSS = false } // Enable minimize for production builds if (options.build.optimization.minimize === undefined) { options.build.optimization.minimize = !options.dev } // Enable optimizeCSS only when extractCSS is enabled if (options.build.optimizeCSS === undefined) { options.build.optimizeCSS = options.build.extractCSS ? {} : false } const loaders = options.build.loaders const vueLoader = loaders.vue if (vueLoader.productionMode === undefined) { vueLoader.productionMode = !options.dev } const styleLoaders = [ 'css', 'cssModules', 'less', 'sass', 'scss', 'stylus', 'vueStyle' ] for (const name of styleLoaders) { const loader = loaders[name] if (loader && loader.sourceMap === undefined) { loader.sourceMap = Boolean(options.build.cssSourceMap) } } // include SFCs in node_modules options.build.transpile = [].concat(options.build.transpile || []) .map(module => module instanceof RegExp ? module : new RegExp(module)) if (options.build.quiet === true) { consola.level = 0 } return options }