const { createSchema, validate } = require('@vue/cli-shared-utils') const schema = createSchema(joi => joi.object({ baseUrl: joi.string().allow(''), publicPath: joi.string().allow(''), outputDir: joi.string(), assetsDir: joi.string().allow(''), indexPath: joi.string(), filenameHashing: joi.boolean(), runtimeCompiler: joi.boolean(), transpileDependencies: joi.array(), productionSourceMap: joi.boolean(), parallel: joi.alternatives().try([ joi.boolean(), joi.number().integer() ]), devServer: joi.object(), pages: joi.object().pattern( /\w+/, joi.alternatives().try([ joi.string().required(), joi.array().items(joi.string().required()), joi.object().keys({ entry: joi.alternatives().try([ joi.string().required(), joi.array().items(joi.string().required()) ]).required() }).unknown(true) ]) ), crossorigin: joi.string().valid(['', 'anonymous', 'use-credentials']), integrity: joi.boolean(), // css css: joi.object({ modules: joi.boolean(), extract: joi.alternatives().try(joi.boolean(), joi.object()), sourceMap: joi.boolean(), loaderOptions: joi.object({ css: joi.object(), sass: joi.object(), less: joi.object(), stylus: joi.object(), postcss: joi.object() }) }), // webpack chainWebpack: joi.func(), configureWebpack: joi.alternatives().try( joi.object(), joi.func() ), // known runtime options for built-in plugins lintOnSave: joi.any().valid([true, false, 'error', 'warning', 'default']), pwa: joi.object(), // 3rd party plugin options pluginOptions: joi.object() })) exports.validate = (options, cb) => { validate(options, schema, cb) } // #2110 // https://github.com/nodejs/node/issues/19022 // in some cases cpus() returns undefined, and may simply throw in the future function hasMultipleCores () { try { return require('os').cpus().length > 1 } catch (e) { return false } } exports.defaults = () => ({ // project deployment base publicPath: '/', // for compatibility concern. TODO: remove in v4. baseUrl: '/', // where to output built files outputDir: 'dist', // where to put static assets (js/css/img/font/...) assetsDir: '', // filename for index.html (relative to outputDir) indexPath: 'index.html', // whether filename will contain hash part filenameHashing: true, // boolean, use full build? runtimeCompiler: false, // deps to transpile transpileDependencies: [ /* string or regex */ ], // sourceMap for production build? productionSourceMap: !process.env.VUE_CLI_TEST, // use thread-loader for babel & TS in production build // enabled by default if the machine has more than 1 cores parallel: hasMultipleCores(), // multi-page config pages: undefined, //