index.js

/*
 * This file is part of the Symfony Webpack Encore package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

'use strict';

const webpack = require('webpack'); // eslint-disable-line no-unused-vars
const EncoreProxy = require('./lib/EncoreProxy');
const WebpackConfig = require('./lib/WebpackConfig');
const configGenerator = require('./lib/config-generator');
const validator = require('./lib/config/validator');
const parseRuntime = require('./lib/config/parse-runtime');
const context = require('./lib/context');

let runtimeConfig = context.runtimeConfig;
let webpackConfig = runtimeConfig ? new WebpackConfig(runtimeConfig, true) : null;

class Encore {
    /**
     * The directory where your files should be output.
     *
     * If relative (e.g. web/build), it will be set relative
     * to the directory where your package.json lives.
     *
     * @param {string} outputPath
     * @returns {Encore}
     */
    setOutputPath(outputPath) {
        webpackConfig.setOutputPath(outputPath);

        return this;
    }

    /**
     * The public version of outputPath: the public path to outputPath.
     *
     * For example, if "web" is your document root, then:
     *
     * ```
     * Encore
     *     .setOutputPath('web/build')
     *     .setPublicPath('/build')
     * ```
     *
     * This can also be set to an absolute URL if you're using
     * a CDN: publicPath is used as the prefix to all asset paths
     * in the manifest.json file and internally in webpack:
     *
     * ```
     * Encore
     *     .setOutputPath('web/build')
     *     .setPublicPath('https://coolcdn.com')
     *     // needed when public path is absolute
     *     .setManifestKeyPrefix('/build')
     * ```
     *
     * @param {string} publicPath
     * @returns {Encore}
     */
    setPublicPath(publicPath) {
        webpackConfig.setPublicPath(publicPath);

        return this;
    }

    /**
     * Used as a prefix to the *keys* in manifest.json. Not usually needed.
     *
     * You don't normally need to set this. When you *do* need to set
     * it, an error will notify you.
     *
     * Typically, publicPath is used in the keys inside manifest.json.
     * But if publicPath is absolute, then we require you to set this.
     * For example:
     *
     * ```
     * Encore
     *     .setOutputPath('web/build')
     *     .setPublicPath('https://coolcdn.com/FOO')
     *     .setManifestKeyPrefix('build/')
     * ```
     *
     * The manifest.json file would look something like this:
     *
     * ```
     * {
     *     "build/main.js": "https://coolcdn.com/FOO/main.a54f3ccd2.js"
     * }
     * ```
     *
     * @param {string} manifestKeyPrefix
     * @returns {Encore}
     */
    setManifestKeyPrefix(manifestKeyPrefix) {
        webpackConfig.setManifestKeyPrefix(manifestKeyPrefix);

        return this;
    }

    /**
     * Allows you to configure the options passed to the DefinePlugin.
     * A list of available options can be found at https://webpack.js.org/plugins/define-plugin/
     *
     * For example:
     *
     * ```
     * Encore.configureDefinePlugin((options) => {
     *     options.VERSION = JSON.stringify('1.0.0');
     * })
     * ```
     *
     * @param {function} definePluginOptionsCallback
     * @returns {Encore}
     */
    configureDefinePlugin(definePluginOptionsCallback = () => {}) {
        webpackConfig.configureDefinePlugin(definePluginOptionsCallback);

        return this;
    }

    /**
     * Allows you to configure the options passed to the friendly-errors-webpack-plugin.
     * A list of available options can be found at https://github.com/geowarin/friendly-errors-webpack-plugin
     *
     * For example:
     *
     * ```
     * Encore.configureFriendlyErrorsPlugin((options) => {
     *     options.clearConsole = true;
     * })
     * ```
     *
     * @param {function} friendlyErrorsPluginOptionsCallback
     * @returns {Encore}
     */
    configureFriendlyErrorsPlugin(friendlyErrorsPluginOptionsCallback = () => {}) {
        webpackConfig.configureFriendlyErrorsPlugin(friendlyErrorsPluginOptionsCallback);

        return this;
    }

    /**
     * Allows you to configure the options passed to webpack-manifest-plugin.
     * A list of available options can be found at https://github.com/danethurber/webpack-manifest-plugin
     *
     * For example:
     *
     * ```
     * Encore.configureManifestPlugin((options) => {
     *     options.fileName = '../../var/assets/manifest.json';
     * })
     * ```
     *
     * @param {function} manifestPluginOptionsCallback
     * @returns {Encore}
     */
    configureManifestPlugin(manifestPluginOptionsCallback = () => {}) {
        webpackConfig.configureManifestPlugin(manifestPluginOptionsCallback);

        return this;
    }

    /**
     * Allows you to configure the options passed to the terser-webpack-plugin.
     * A list of available options can be found at https://github.com/webpack-contrib/terser-webpack-plugin
     *
     * For example:
     *
     * ```
     * Encore.configureTerserPlugin((options) => {
     *     options.cache = true;
     *     options.terserOptions = {
     *         output: {
     *             comments: false
     *         }
     *     }
     * })
     * ```
     *
     * @param {function} terserPluginOptionsCallback
     * @returns {Encore}
     */
    configureTerserPlugin(terserPluginOptionsCallback = () => {}) {
        webpackConfig.configureTerserPlugin(terserPluginOptionsCallback);

        return this;
    }

    /**
     * Allows you to configure the options passed to the optimize-css-assets-webpack-plugin.
     * A list of available options can be found at https://github.com/NMFR/optimize-css-assets-webpack-plugin
     *
     * For example:
     *
     * ```
     * Encore.configureOptimizeCssPlugin((options) => {
     *     options.cssProcessor = require('cssnano');
     *     options.cssProcessorPluginOptions = {
     *         preset: ['default', { discardComments: { removeAll: true } }],
     *     }
     * })
     * ```
     *
     * @param {function} optimizeCssPluginOptionsCallback
     * @returns {Encore}
     */
    configureOptimizeCssPlugin(optimizeCssPluginOptionsCallback = () => {}) {
        webpackConfig.configureOptimizeCssPlugin(optimizeCssPluginOptionsCallback);

        return this;
    }

    /**
     * Adds a JavaScript file that should be webpacked:
     *
     * ```
     * // final output file will be main.js in the output directory
     * Encore.addEntry('main', './path/to/some_file.js');
     * ```
     *
     * If the JavaScript file imports/requires CSS/Sass/LESS files,
     * then a CSS file (e.g. main.css) will also be output.
     *
     * @param {string} name       The name (without extension) that will be used
     *                            as the output filename (e.g. app will become app.js)
     *                            in the output directory.
     * @param {string|Array} src  The path to the source file (or files)
     * @returns {Encore}
     */
    addEntry(name, src) {
        webpackConfig.addEntry(name, src);

        return this;
    }

    /**
     * Adds a CSS/SASS/LESS file that should be webpacked:
     *
     * ```
     *  // final output file will be main.css in the output directory
     *  Encore.addEntry('main', './path/to/some_file.css');
     * ```
     *
     * This is actually not something Webpack does natively, and you
     * should avoid using this function when possible. A better option
     * is to use addEntry() and then require/import your CSS files from
     * within your JavaScript files.
     *
     * @param {string} name       The name (without extension) that will be used
     *                            as the output filename (e.g. app will become app.css)
     *                            in the output directory.
     * @param {string|Array} src  The path to the source file (or files)
     * @returns {Encore}
     */
    addStyleEntry(name, src) {
        webpackConfig.addStyleEntry(name, src);

        return this;
    }

    /**
     * Add a plugin to the sets of plugins already registered by Encore
     *
     * For example, if you want to add the "webpack.IgnorePlugin()", then:
     *
     * ```
     * Encore.addPlugin(new webpack.IgnorePlugin(requestRegExp, contextRegExp))
     * ```
     *
     * By default custom plugins are added after the ones managed by Encore
     * but you can also set a priority to define where your plugin will be
     * added in the generated Webpack config.
     *
     * For example, if a plugin has a priority of 0 and you want to add
     * another plugin after it, then:
     *
     * ```
     * Encore.addPlugin(new MyWebpackPlugin(), -10)
     * ```
     *
     * The priority of each plugin added by Encore can be found in the
     * "lib/plugins/plugin-priorities.js" file. It is recommended to use
     * these constants if you want to add a plugin using the same priority
     * as one managed by Encore in order to avoid backward compatibility
     * breaks.
     *
     * For example, if you want one of your plugins to have the same priority
     * than the DefinePlugin:
     *
     * ```
     * const Encore = require('@symfony/webpack-encore');
     * const PluginPriorities = require('@symfony/webpack-encore/lib/plugins/plugin-priorities.js');
     *
     * Encore.addPlugin(new MyWebpackPlugin(), PluginPriorities.DefinePlugin);
     * ```
     *
     * @param {object} plugin
     * @param {number} priority
     * @returns {Encore}
     */
    addPlugin(plugin, priority = 0) {
        webpackConfig.addPlugin(plugin, priority);

        return this;
    }

    /**
     * Adds a custom loader config
     *
     * @param {object} loader The loader config object
     *
     * @returns {Encore}
     */
    addLoader(loader) {
        webpackConfig.addLoader(loader);

        return this;
    }

    /**
     * Alias to addLoader
     *
     * @param {object} rule
     *
     * @returns {Encore}
     */
    addRule(rule) {
        this.addLoader(rule);

        return this;
    }

    /**
     * Allow you to add aliases that will be used by
     * Webpack when trying to resolve modules.
     *
     * See https://webpack.js.org/configuration/resolve/#resolve-alias
     *
     * For example:
     *
     * ```
     * Encore.addAliases({
     *     Utilities: path.resolve(__dirname, 'src/utilities/'),
     *     Templates: path.resolve(__dirname, 'src/templates/')
     * })
     * ```
     *
     * @param {object} aliases
     *
     * @returns {Encore}
     */
    addAliases(aliases) {
        webpackConfig.addAliases(aliases);

        return this;
    }

    /**
     * Allow you to exclude some dependencies from the output bundles.
     *
     * See https://webpack.js.org/configuration/externals/
     *
     * For example:
     *
     * ```
     * Encore.addExternals({
     *     jquery: 'jQuery',
     *     react: 'react'
     * });
     * ```
     *
     * Or:
     *
     * ```
     * const nodeExternals = require('webpack-node-externals');
     *
     * Encore.addExternals(
     *     nodeExternals()
     * );
     *
     * // or add multiple things at once
     * Encore.addExternals([
     *     nodeExternals(),
     *     /^(jquery|\$)$/i
     * ]);
     * ```
     *
     * @param {*} externals
     *
     * @returns {Encore}
     */
    addExternals(externals) {
        webpackConfig.addExternals(externals);

        return this;
    }

    /**
     * When enabled, files are rendered with a hash based
     * on their contents (e.g. main.a2b61cc.js)
     *
     * A manifest.json file will be rendered to the output
     * directory with a map from the original file path to
     * the versioned path (e.g. `builds/main.js` => `builds/main.a2b61cc.js`)
     *
     * Note that the versioning must be disabled if you
     * want to use the dev-server.
     *
     * For example:
     *
     * ```
     * Encore.enableVersioning(Encore.isProduction());
     * ```
     *
     * @param {boolean} enabled
     * @returns {Encore}
     */
    enableVersioning(enabled = true) {
        webpackConfig.enableVersioning(enabled);

        return this;
    }

    /**
     * When enabled, all final CSS and JS files will be rendered
     * with sourcemaps to help debugging.
     *
     * The *type* of source map will differ between a development
     * or production build.
     *
     * For example if you want to always generate sourcemaps:
     *
     * ```
     * Encore.enableSourceMaps();
     * ```
     *
     * Or only enable them when not in production mode:
     *
     * ```
     * Encore.enableSourceMaps(!Encore.isProduction());
     * ```
     *
     * @param {boolean} enabled
     * @returns {Encore}
     */
    enableSourceMaps(enabled = true) {
        webpackConfig.enableSourceMaps(enabled);

        return this;
    }

    /**
     * Add a new cache group to Webpack's SplitChunksPlugin.
     * This can, for instance, be used to extract code that
     * is common to multiple entries into its own chunk.
     *
     * See: https://webpack.js.org/plugins/split-chunks-plugin/#examples
     *
     * For example:
     *
     * ```
     * Encore.addCacheGroup('vendor', {
     *     test: /[\\/]node_modules[\\/]react/
     * });
     * ```
     *
     * You can pass all the options supported by the SplitChunksPlugin
     * but also the following shorthand provided by Encore:
     *
     * * `node_modules`: An array of `node_modules` packages names
     *
     * For example:
     *
     * ```
     * Encore.addCacheGroup('vendor', {
     *     node_modules: ['react', 'react-dom']
     * });
     * ```
     *
     * At least one of the `test` or the `node_modules` option
     * should be provided.
     *
     * By default, the new cache group will be created with the
     * following options:
     * * `chunks` set to `"all"`
     * * `enforce` set to `true`
     * * `name` set to the value of the "name" parameter
     *
     * @param {string} name The chunk name (e.g. vendor to create a vendor.js)
     * @param {object} options Cache group option
     * @returns {Encore}
     */
    addCacheGroup(name, options) {
        webpackConfig.addCacheGroup(name, options);

        return this;
    }

    /**
     * Copy files or folders to the build directory.
     *
     * For example:
     *
     * ```
     * // Copy the content of a whole directory and its subdirectories
     * Encore.copyFiles({ from: './assets/images' });
     *
     * // Only copy files matching a given pattern
     * Encore.copyFiles({ from: './assets/images', pattern: /\.(png|jpg|jpeg)$/ })
     *
     * // Set the path the files are copied to
     * Encore.copyFiles({
     *     from: './assets/images',
     *     pattern: /\.(png|jpg|jpeg)$/,
     *     // to path is relative to the build directory
     *     to: 'images/[path][name].[ext]'
     * })
     *
     * // Version files
     * Encore.copyFiles({
     *     from: './assets/images',
     *     to: 'images/[path][name].[hash:8].[ext]'
     * })
     *
     * // Add multiple configs in a single call
     * Encore.copyFiles([
     *     { from: './assets/images' },
     *     { from: './txt', pattern: /\.txt$/ },
     * ]);
     *
     * // Set the context path: files will be copied
     * // into an images/ directory in the output dir
     * Encore.copyFiles({
     *     from: './assets/images',
     *     to: '[path][name].[hash:8].[ext]',
     *     context: './assets'
     * });
     * ```
     *
     * Notes:
     *      * No transformation is applied to the copied files (for instance
     *        copying a CSS file won't minify it)
     *
     * Supported options:
     *      * {string} from (mandatory)
     *              The path of the source directory (mandatory)
     *      * {RegExp|string} pattern (default: all files)
     *              A regular expression (or a string containing one) that
     *              the filenames must match in order to be copied
     *      * {string} to (default: [path][name].[ext])
     *              Where the files must be copied to. You can add all the
     *              placeholders supported by the file-loader.
     *              https://github.com/webpack-contrib/file-loader#placeholders
     *      * {boolean} includeSubdirectories (default: true)
     *              Whether or not the copy should include subdirectories.
     *      * {string} context (default: path of the source directory)
     *              The context to use as a root path when copying files.
     *
     * @param {object|Array} configs
     * @returns {Encore}
     */
    copyFiles(configs) {
        webpackConfig.copyFiles(configs);

        return this;
    }

    /**
     * Tell Webpack to output a separate runtime.js file.
     *
     * This file must be included via a script tag before all
     * other JavaScript files output by Encore.
     *
     * The runtime.js file is useful when you plan to include
     * multiple entry files on the same page (e.g. a layout.js entry
     * and a page-specific entry). If you are *not* including
     * multiple entries on the same page, you can safely disable
     * this - disableSingleRuntimeChunk() - and remove the extra script tags.
     *
     * If you *do* include multiple entry files on the same page,
     * disabling the runtime.js file has two important consequences:
     *  A) Each entry file will contain the Webpack runtime, which
     *     means each contains some code that is duplicated in the other.
     *  B) If two entry files require the same module (e.g. jquery),
     *     they will receive *different* objects - not the *same* object.
     *     This can cause some confusion if you expect a "layout.js" entry
     *     to be able to "initialize" some jQuery plugins, because the
     *     jQuery required by the other entry will be a different instance,
     *     and so won't have the plugins initialized on it.
     *
     * @returns {Encore}
     */
    enableSingleRuntimeChunk() {
        webpackConfig.enableSingleRuntimeChunk();

        return this;
    }

    /**
     * Tell Webpack to *not* output a separate runtime.js file.
     *
     * See enableSingleRuntimeChunk() for more details.
     *
     * @returns {Encore}
     */
    disableSingleRuntimeChunk() {
        webpackConfig.disableSingleRuntimeChunk();

        return this;
    }

    /**
     * Tell Webpack to "split" your entry chunks.
     *
     * This will mean that, instead of adding 1 script tag
     * to your page, your server-side code will need to read
     * the entrypoints.json file in the build directory to
     * determine the *multiple* .js (and .css) files that
     * should be included for each entry.
     *
     * This is a performance optimization, but requires extra
     * work (described above) to support this.
     *
     * @returns {Encore}
     */
    splitEntryChunks() {
        webpackConfig.splitEntryChunks();

        return this;
    }

    /**
     * Configure the optimization.splitChunks configuration.
     *
     * https://webpack.js.org/plugins/split-chunks-plugin/
     *
     * ```
     * Encore.configureSplitChunks(function(splitChunks) {
     *     // change the configuration
     *     splitChunks.minSize = 0;
     * });
     * ```
     *
     * @param {function} callback
     * @returns {Encore}
     */
    configureSplitChunks(callback) {
        webpackConfig.configureSplitChunks(callback);

        return this;
    }

    /**
     * Configure the watchOptions and devServer.watchOptions configuration.
     *
     * https://webpack.js.org/configuration/watch/
     * https://webpack.js.org/configuration/dev-server/#devserver-watchoptions-
     *
     * ```
     * Encore.configureWatchOptions(function(watchOptions) {
     *     // change the configuration
     *     watchOptions.poll = 250; // useful when running inside a Virtual Machine
     * });
     * ```
     *
     * @param {function} callback
     * @returns {Encore}
     */
    configureWatchOptions(callback) {
        webpackConfig.configureWatchOptions(callback);

        return this;
    }

    /**
     * Configure the devServer configuration.
     *
     * https://webpack.js.org/configuration/dev-server
     *
     * ```
     * Encore.configureDevServerOptions(function(options) {
     *     // change the configuration
     *     options.https = {
     *         key: '<your SSL cert key content>',
     *         cert: '<your SSL cert content>',
     *     };
     * });
     * ```
     *
     * @param {function} callback
     * @returns {Encore}
     */
    configureDevServerOptions(callback) {
        webpackConfig.configureDevServerOptions(callback);

        return this;
    }

    /**
     * Automatically make some variables available everywhere!
     *
     * Usage:
     *
     * ```
     * WebpackConfig.autoProvideVariables({
     *     $: 'jquery',
     *     jQuery: 'jquery'
     * });
     * ```
     *
     *  Then, whenever $ or jQuery are found in any
     *  modules, webpack will automatically require
     *  the "jquery" module so that the variable is available.
     *
     *  This is useful for older packages, that might
     *  expect jQuery (or something else) to be a global variable.
     *
     * @param {object} variables
     * @returns {Encore}
     */
    autoProvideVariables(variables) {
        webpackConfig.autoProvideVariables(variables);

        return this;
    }

    /**
     * Makes jQuery available everywhere. Equivalent to
     *
     * ```
     * WebpackConfig.autoProvideVariables({
     *     $: 'jquery',
     *     jQuery: 'jquery',
     *     'window.jQuery': 'jquery'
     * });
     * ```
     *
     * @returns {Encore}
     */
    autoProvidejQuery() {
        webpackConfig.autoProvidejQuery();

        return this;
    }

    /**
     * Enables the postcss-loader
     *
     * Once enabled, you must have a postcss.config.js config file.
     *
     * https://github.com/postcss/postcss-loader
     *
     * ```
     * Encore.enablePostCssLoader();
     * ```
     *
     * Or pass options to the loader
     *
     * ```
     * Encore.enablePostCssLoader(function(options) {
     *     // https://github.com/postcss/postcss-loader#options
     *     // options.config = {...}
     * })
     * ```
     *
     * @param {function} postCssLoaderOptionsCallback
     * @returns {Encore}
     */
    enablePostCssLoader(postCssLoaderOptionsCallback = () => {}) {
        webpackConfig.enablePostCssLoader(postCssLoaderOptionsCallback);

        return this;
    }

    /**
     * Call this if you plan on loading SASS files.
     *
     * ```
     * Encore.enableSassLoader();
     * ```
     *
     * Or pass options to node-sass
     *
     * ```
     * Encore.enableSassLoader(function(options) {
     *     // https://github.com/sass/node-sass#options
     *     // options.includePaths = [...]
     * }, {
     *     // set optional Encore-specific options
     *     // resolveUrlLoader: true
     * });
     * ```
     *
     * Supported options:
     *      * {boolean} resolveUrlLoader (default=true)
     *              Whether or not to use the resolve-url-loader.
     *              Setting to false can increase performance in some
     *              cases, especially when using bootstrap_sass. But,
     *              when disabled, all url()'s are resolved relative
     *              to the original entry file... not whatever file
     *              the url() appears in.
     *      * {object} resolveUrlLoaderOptions (default={})
     *              Options parameters for resolve-url-loader
     *              // https://www.npmjs.com/package/resolve-url-loader#options
     *
     * @param {function} sassLoaderOptionsCallback
     * @param {object} encoreOptions
     * @returns {Encore}
     */
    enableSassLoader(sassLoaderOptionsCallback = () => {}, encoreOptions = {}) {
        webpackConfig.enableSassLoader(sassLoaderOptionsCallback, encoreOptions);

        return this;
    }

    /**
     * Call this if you plan on loading less files.
     *
     * ```
     * Encore.enableLessLoader();
     * ```
     *
     * Or pass options to the loader
     *
     * ```
     * Encore.enableLessLoader(function(options) {
     *     // https://github.com/webpack-contrib/less-loader#examples
     *     // http://lesscss.org/usage/#command-line-usage-options
     *     // options.relativeUrls = false;
     * });
     * ```
     *
     * @param {function} lessLoaderOptionsCallback
     * @returns {Encore}
     */
    enableLessLoader(lessLoaderOptionsCallback = () => {}) {
        webpackConfig.enableLessLoader(lessLoaderOptionsCallback);

        return this;
    }

    /**
     * Call this if you plan on loading stylus files.
     *
     * ```
     * Encore.enableStylusLoader();
     * ```
     *
     * Or pass options to the loader
     *
     * ```
     * Encore.enableStylusLoader(function(options) {
     *     // https://github.com/shama/stylus-loader
     *     // options.import = ['~library/index.styl'];
     * });
     * ```
     *
     * @param {function} stylusLoaderOptionsCallback
     * @returns {Encore}
     */
    enableStylusLoader(stylusLoaderOptionsCallback = () => {}) {
        webpackConfig.enableStylusLoader(stylusLoaderOptionsCallback);

        return this;
    }

    /**
     * Configure babel, without needing a .babelrc file.
     *
     * https://babeljs.io/docs/usage/babelrc/
     *
     * ```
     * Encore.configureBabel(function(babelConfig) {
     *     // change the babelConfig
     *     // if you use an external Babel configuration
     *     // this callback will NOT be used. In this case
     *     // you can pass null as the first parameter to
     *     // still be able to use some of the options below
     *     // without a warning.
     * }, {
     *     // set optional Encore-specific options, for instance:
     *
     *     // change the rule that determines which files
     *     // won't be processed by Babel
     *     exclude: /bower_components/
     *
     *     // ...or keep the default rule but only allow
     *     // *some* Node modules to be processed by Babel
     *     includeNodeModules: ['foundation-sites']
     *
     *     // automatically import polyfills where they
     *     // are needed
     *     useBuiltIns: 'usage'
     *
     *     // if you set useBuiltIns you also have to add
     *     // core-js to your project using Yarn or npm and
     *     // inform Babel of the version it will use.
     *     corejs: 3
     * });
     * ```
     *
     * Supported options:
     *      * {Condition} exclude (default=/(node_modules|bower_components)/)
     *              A Webpack Condition passed to the JS/JSX rule that
     *              determines which files and folders should not be
     *              processed by Babel (https://webpack.js.org/configuration/module/#condition).
     *              Can be used even if you have an external Babel configuration
     *              (a babel.config.json file for instance)
     *              Warning: .babelrc config files don't apply to node_modules. Use
     *              babel.config.json instead to apply the same config to modules if
     *              they are not excluded anymore.
     *              Cannot be used if the "includeNodeModules" option is
     *              also set.
     *      * {string[]} includeNodeModules
     *              If set that option will include the given Node modules to
     *              the files that are processed by Babel.
     *              Can be used even if you have an external Babel configuration
     *              (a babel.config.json file for instance).
     *              Warning: .babelrc config files don't apply to node_modules. Use
     *              babel.config.json instead to apply the same config to these modules.
     *              Cannot be used if the "exclude" option is also set
     *      * {'usage'|'entry'|false} useBuiltIns (default=false)
     *              Set the "useBuiltIns" option of @babel/preset-env that changes
     *              how it handles polyfills (https://babeljs.io/docs/en/babel-preset-env#usebuiltins)
     *              Using it with 'entry' will require you to import core-js
     *              once in your whole app and will result in that import being replaced
     *              by individual polyfills. Using it with 'usage' will try to
     *              automatically detect which polyfills are needed for each file and
     *              add them accordingly.
     *              Cannot be used if you have an external Babel configuration (a .babelrc
     *              file for instance). In this case you can set the option directly into
     *              that configuration file.
     *      * {number|string|object} corejs (default=not set)
     *              Set the "corejs" option of @babel/preset-env.
     *              It should contain the version of core-js you added to your project
     *              if useBuiltIns isn't set to false.
     *
     * @param {function|null} callback
     * @param {object} encoreOptions
     * @returns {Encore}
     */
    configureBabel(callback, encoreOptions = {}) {
        webpackConfig.configureBabel(callback, encoreOptions);

        return this;
    }

    /**
     * Configure @babel/preset-env
     *
     * https://babeljs.io/docs/en/babel-preset-env
     *
     * ```
     * Encore.configureBabelPresetEnv(function(options) {
     *     // change the @babel/preset-env config
     *     // if you use an external Babel configuration
     *     // this callback will NOT be used
     *     // options.corejs = 3;
     *     // options.useBuiltIns = 'usage';
     *     // ...
     * });
     * ```
     *
     * @param {function} callback
     * @returns {Encore}
     */
    configureBabelPresetEnv(callback) {
        webpackConfig.configureBabelPresetEnv(callback);

        return this;
    }

    /**
     * Configure the css-loader.
     *
     * https://github.com/webpack-contrib/css-loader#options
     *
     * ```
     * Encore.configureCssLoader(function(config) {
     *     // change the config
     *     // config.minimize = true;
     * });
     * ```
     *
     * @param {function} callback
     * @returns {Encore}
     */
    configureCssLoader(callback) {
        webpackConfig.configureCssLoader(callback);

        return this;
    }

    /**
     * If enabled, the Stimulus bridge is used to load Stimulus controllers from PHP packages.
     *
     * @param {string} controllerJsonPath Path to the controllers.json file.
     * @returns {Encore}
     */
    enableStimulusBridge(controllerJsonPath) {
        webpackConfig.enableStimulusBridge(controllerJsonPath);

        return this;
    }

    /**
     * Configure the mini-css-extract-plugin.
     *
     * https://github.com/webpack-contrib/mini-css-extract-plugin#configuration
     *
     * ```
     * Encore.configureMiniCssExtractPlugin(
     *     function(loaderConfig) {
     *         // change the loader's config
     *         // loaderConfig.reloadAll = true;
     *     },
     *     function(pluginConfig) {
     *         // change the plugin's config
     *         // pluginConfig.chunkFilename = '[id].css';
     *     }
     * );
     * ```
     *
     * @param {function} loaderOptionsCallback
     * @param {function} pluginOptionsCallback
     * @returns {Encore}
     */
    configureMiniCssExtractPlugin(loaderOptionsCallback, pluginOptionsCallback = () => {}) {
        webpackConfig.configureMiniCssExtractPlugin(loaderOptionsCallback, pluginOptionsCallback);

        return this;
    }

    /**
     * If enabled, the react preset is added to Babel.
     *
     * https://babeljs.io/docs/plugins/preset-react/
     *
     * @returns {Encore}
     */
    enableReactPreset() {
        webpackConfig.enableReactPreset();

        return this;
    }

    /**
     * If enabled, a Preact preset will be applied to
     * the generated Webpack and Babel configuration.
     *
     * ```
     * Encore.enablePreactPreset()
     * ```
     *
     * If you wish to also use preact-compat (https://github.com/developit/preact-compat)
     * you can enable it by setting the "preactCompat" option to true:
     *
     * ```
     * Encore.enablePreactPreset({ preactCompat: true })
     * ```
     *
     * @param {object} options
     * @returns {Encore}
     */
    enablePreactPreset(options = {}) {
        webpackConfig.enablePreactPreset(options);

        return this;
    }

    /**
     * Call this to process TypeScript files through ts-loader.
     *
     * ```
     * Encore.enableTypeScriptLoader()
     * ```
     *
     * Or see Encore.enableBabelTypeScriptPreset() for a faster
     * method of processing TypeScript files.
     *
     * Or, configure the ts-loader options:
     *
     * ```
     * Encore.enableTypeScriptLoader(function(tsConfig) {
     *     // https://github.com/TypeStrong/ts-loader/blob/master/README.md#loader-options
     *     // tsConfig.silent = false;
     * });
     * ```
     *
     * @param {function} callback
     * @returns {Encore}
     */
    enableTypeScriptLoader(callback = () => {}) {
        webpackConfig.enableTypeScriptLoader(callback);

        return this;
    }

    /**
     * Call this to enable forked type checking for TypeScript loader
     * https://github.com/TypeStrong/ts-loader/blob/v2.3.0/README.md#faster-builds
     *
     * This is a build optimization API to reduce build times.
     *
     * @param {function} forkedTypeScriptTypesCheckOptionsCallback
     * @returns {Encore}
     */
    enableForkedTypeScriptTypesChecking(forkedTypeScriptTypesCheckOptionsCallback = () => {}) {
        webpackConfig.enableForkedTypeScriptTypesChecking(
            forkedTypeScriptTypesCheckOptionsCallback
        );

        return this;
    }


    /**
     * If enabled, a TypeScript preset will be applied to
     * the generated Webpack and Babel configuration.
     *
     * ```
     * Encore.enableBabelTypeScriptPreset()
     * ```
     *
     * This method lets Babel handle your TypeScript code
     * and cannot be used with `Encore.enableTypeScriptLoader()`
     * or `Encore.enableForkedTypeScriptTypesChecking()`.
     *
     * Since all types are removed by Babel,
     * you must run `tsc --noEmit` yourself for type checking.
     *
     * The Babel TypeScript preset can be configured,
     * see https://babeljs.io/docs/en/babel-preset-typescript#options
     * for available options.
     *
     * For example:
     * ```
     * Encore.enableBabelTypeScriptPreset({
     *     isTSX: true
     * })
     * ```
     *
     * @param {object} options
     * @returns {Encore}
     */
    enableBabelTypeScriptPreset(options) {
        webpackConfig.enableBabelTypeScriptPreset(options);

        return this;
    }

    /**
     * If enabled, the Vue.js loader is enabled.
     *
     * https://github.com/vuejs/vue-loader
     *
     * ```
     * Encore.enableVueLoader();
     *
     * // or configure the vue-loader options
     * // https://vue-loader.vuejs.org/en/configurations/advanced.html
     * Encore.enableVueLoader(function(options) {
     *     options.preLoaders = { ... }
     * });
     * ```
     *
     * ```
     * // or configure Encore-specific options
     * Encore.enableVueLoader(() => {}, {
     *     // set optional Encore-specific options, for instance:
     *
     *     // set to false to *only* include the smaller "runtime"
     *     // build, which can't compile templates at runtime, but is
     *     // CSP compliant/
     *     // set explicitly to true to silence the recommendation
     *     runtimeCompilerBuild: false
     *
     *     // use version 2 or 3 to force your Vue version
     *     // otherwise, Encore will detect it automatically
     *     version: 2
     *
     *     // enable JSX usage in Vue components
     *     // https://vuejs.org/v2/guide/render-function.html#JSX
     *     useJsx: true
     * })
     * ```
     *
     * Supported options:
     *      * {boolean} useJsx (default=false)
     *              Configure Babel to use the preset "@vue/babel-preset-jsx",
     *              in order to enable JSX usage in Vue components.
     *
     * @param {function} vueLoaderOptionsCallback
     * @param {object} encoreOptions
     * @returns {Encore}
     */
    enableVueLoader(vueLoaderOptionsCallback = () => {}, encoreOptions = {}) {
        webpackConfig.enableVueLoader(vueLoaderOptionsCallback, encoreOptions);

        return this;
    }

    /**
     * If enabled, the eslint-loader is enabled.
     *
     * https://github.com/MoOx/eslint-loader
     *
     * ```
     * // enables the eslint loaded using the default eslint configuration.
     * Encore.enableEslintLoader();
     *
     * // You can also pass in an object of options
     * // that will be passed on to the eslint-loader
     * Encore.enableEslintLoader({
     *     emitWarning: false
     * });
     *
     * // For a more advanced usage you can pass in a callback
     * // https://github.com/webpack-contrib/eslint-loader#options
     * Encore.enableEslintLoader((options) => {
     *      options.extends = 'airbnb';
     *      options.emitWarning = false;
     * });
     *
     * // configure Encore-specific options
     * Encore.enableEslintLoader(() => {}, {
     *     // set optional Encore-specific options, for instance:
     *
     *     // lint `.vue` files
     *     lintVue: true
     * });
     * ```
     *
     * Supported options:
     *      * {boolean} lintVue (default=false)
     *              Configure the loader to lint `.vue` files
     * ```
     *
     * @param {string|object|function} eslintLoaderOptionsOrCallback
     * @param {object} encoreOptions
     * @returns {Encore}
     */
    enableEslintLoader(eslintLoaderOptionsOrCallback = () => {}, encoreOptions = {}) {
        webpackConfig.enableEslintLoader(eslintLoaderOptionsOrCallback, encoreOptions);

        return this;
    }

    /**
     * If enabled, display build notifications using
     * webpack-notifier.
     *
     * https://github.com/Turbo87/webpack-notifier
     *
     * ```
     * Encore.enableBuildNotifications();
     *
     * // or configure the webpack-notifier options
     * // https://github.com/Turbo87/webpack-notifier#configuration
     * Encore.enableBuildNotifications(true, function(options) {
     *     options.title = 'Webpack build';
     * });
     * ```
     *
     * @param {boolean} enabled
     * @param {function} notifierPluginOptionsCallback
     * @returns {Encore}
     */
    enableBuildNotifications(enabled = true, notifierPluginOptionsCallback = () => {}) {
        webpackConfig.enableBuildNotifications(enabled, notifierPluginOptionsCallback);

        return this;
    }

    /**
     * Call this if you plan on loading Handlebars files.
     *
     * ```
     * Encore.enableHandlebarsLoader();
     * ```
     *
     * Or pass options to the loader
     *
     * ```
     * Encore.enableHandlebarsLoader(function(options) {
     *     // https://github.com/pcardune/handlebars-loader
     *     // options.debug = true;
     * });
     * ```
     *
     * @param {function} callback
     * @returns {Encore}
     */
    enableHandlebarsLoader(callback = () => {}) {
        webpackConfig.enableHandlebarsLoader(callback);

        return this;
    }

    /**
     * Call this if you wish to disable the default
     * images loader.
     *
     * @returns {Encore}
     */
    disableImagesLoader() {
        webpackConfig.disableImagesLoader();

        return this;
    }

    /**
     * Call this if you wish to disable the default
     * fonts loader.
     *
     * @returns {Encore}
     */
    disableFontsLoader() {
        webpackConfig.disableFontsLoader();

        return this;
    }

    /**
     * Call this if you don't want imported CSS to be extracted
     * into a .css file. All your styles will then be injected
     * into the page by your JS code.
     *
     * This can be useful when using the dev-server with hot
     * module reload (so that CSS can benefit from HMR):
     *
     * ```
     * // disable CSS only when using the dev-server
     * Encore.disableCssExtraction(Encore.isDevServer())
     * ```
     *
     * Internally, this disables the mini-css-extract-plugin
     * and uses the style-loader instead.
     * @param {boolean} disabled
     * @returns {Encore}
     */
    disableCssExtraction(disabled = true) {
        webpackConfig.disableCssExtraction(disabled);

        return this;
    }

    /**
     * Configure the style-loader.
     * The style-loader is used only if you also call Encore. disableCssExtraction().
     *
     * https://github.com/webpack-contrib/style-loader#options
     *
     * ```
     * Encore.configureStyleLoader(function(config) {
     *     // change the config
     *     // config.injectType = 'singletonStyleTag';
     * });
     * ```
     *
     * @param {function} callback
     * @returns {Encore}
     */
    configureStyleLoader(callback) {
        webpackConfig.configureStyleLoader(callback);

        return this;
    }

    /**
     * Call this to change how the name of each output
     * file is generated.
     *
     * ```
     * Encore.configureFilenames({
     *     js: '[name].[contenthash].js',
     *     css: '[name].[contenthash].css',
     *     images: 'images/[name].[hash:8].[ext]',
     *     fonts: 'fonts/[name].[hash:8].[ext]'
     * });
     * ```
     *
     * It's safe to omit a key (e.g. css): the default naming strategy
     * will be used for any file types not passed.
     *
     * If you are using Encore.enableVersioning()
     * make sure that your "js" and "css" filenames contain
     * "[contenthash]".
     *
     * @param {object} filenames
     * @returns {Encore}
     */
    configureFilenames(filenames) {
        webpackConfig.configureFilenames(filenames);

        return this;
    }

    /**
     * Allows to configure the URL loader.
     *
     * https://github.com/webpack-contrib/url-loader
     *
     * ```
     * Encore.configureUrlLoader({
     *     images: {
     *         limit: 8192,
     *         mimetype: 'image/png'
     *     },
     *     fonts: {
     *         limit: 4096
     *     }
     * });
     * ```
     *
     * If a key (e.g. fonts) doesn't exists or contains a
     * falsy value the file-loader will be used instead.
     *
     * @param {object} urlLoaderOptions
     * @return {Encore}
     */
    configureUrlLoader(urlLoaderOptions = {}) {
        webpackConfig.configureUrlLoader(urlLoaderOptions);

        return this;
    }

    /**
     * Configure Webpack loaders rules (`module.rules`).
     * This is a low-level function, be careful when using it.
     *
     * https://webpack.js.org/concepts/loaders/#configuration
     *
     * For example, if you are using Vue and ESLint loader,
     * this is how you can configure ESLint to lint Vue files:
     *
     * ```
     * Encore
     *     .enableEslintLoader()
     *     .enableVueLoader()
     *     .configureLoaderRule('eslint', (loaderRule) => {
     *          loaderRule.test = /\.(jsx?|vue)/;
     *     });
     * ```
     *
     * @param {string} name
     * @param {function} callback
     * @return {Encore}
     */
    configureLoaderRule(name, callback) {
        webpackConfig.configureLoaderRule(name, callback);

        return this;
    }

    /**
     * If enabled, the output directory is emptied between each build (to remove old files).
     *
     * A list of available options can be found at https://github.com/johnagan/clean-webpack-plugin
     *
     * For example:
     *
     * ```
     * Encore.cleanupOutputBeforeBuild(['*.js'], (options) => {
     *     options.dry = true;
     * })
     * ```
     *
     * @param {Array} paths Paths that should be cleaned, relative to the "root" option
     * @param {function} cleanWebpackPluginOptionsCallback
     * @returns {Encore}
     */
    cleanupOutputBeforeBuild(paths = ['**/*'], cleanWebpackPluginOptionsCallback = () => {}) {
        webpackConfig.cleanupOutputBeforeBuild(paths, cleanWebpackPluginOptionsCallback);

        return this;
    }

    /**
     * If enabled, add integrity hashes to the entrypoints.json
     * file for all the files it references.
     *
     * These hashes can then be used, for instance, in the "integrity"
     * attributes of <script> and <style> tags to enable subresource-
     * integrity checks in the browser.
     *
     * https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity
     *
     * For example:
     *
     * ```
     * Encore.enableIntegrityHashes(
     *     Encore.isProduction(),
     *     'sha384'
     * );
     * ```
     *
     * Or with multiple algorithms:
     *
     * ```
     * Encore.enableIntegrityHashes(
     *     Encore.isProduction(),
     *     ['sha256', 'sha384', 'sha512']
     * );
     * ```
     *
     * @param {boolean} enabled
     * @param {string|Array} algorithms
     * @returns {Encore}
     */
    enableIntegrityHashes(enabled = true, algorithms = ['sha384']) {
        webpackConfig.enableIntegrityHashes(enabled, algorithms);

        return this;
    }

    /**
     * Is this currently a "production" build?
     *
     * @returns {boolean}
     */
    isProduction() {
        return webpackConfig.isProduction();
    }

    /**
     * Is this currently a "dev" build?
     *
     * @returns {boolean}
     */
    isDev() {
        return webpackConfig.isDev();
    }

    /**
     * Is this currently a "dev-server" build?
     *
     * @returns {boolean}
     */
    isDevServer() {
        return webpackConfig.isDevServer();
    }

    /**
     * Use this at the bottom of your webpack.config.js file:
     *
     * ```
     * module.exports = Encore.getWebpackConfig();
     * ```
     *
     * @returns {webpack.Configuration}
     */
    getWebpackConfig() {
        validator(webpackConfig);

        return configGenerator(webpackConfig);
    }

    /**
     * Resets the Encore state to allow building a new config.
     *
     * getWebpackConfig should be used before resetting to build
     * a config for the existing state.
     *
     * @returns {void}
     */
    reset() {
        webpackConfig = new WebpackConfig(runtimeConfig);
    }

    /**
     * Initialize the runtime environment.
     *
     * This can be used to configure the Encore runtime if you're
     * using Encore without executing the "./node_module/.bin/encore"
     * utility (e.g. with karma-webpack).
     *
     * ```
     * Encore.configureRuntimeEnvironment(
     *     // Environment to use (dev, dev-server, production)
     *     'dev-server',
     *
     *     // Same options you would use with the
     *     // CLI utility with their name in
     *     // camelCase.
     *     {
     *         https: true,
     *         keepPublicPath: true
     *     }
     * )
     * ```
     *
     * Be aware than using this method will also reset the current
     * webpack configuration.
     *
     * @param {string} environment
     * @param {object} options
     * @returns {Encore}
     */
    configureRuntimeEnvironment(environment, options = {}) {
        runtimeConfig = parseRuntime(
            Object.assign(
                {},
                require('yargs-parser')([environment]),
                options
            ),
            process.cwd()
        );

        webpackConfig = new WebpackConfig(runtimeConfig, true);

        return this;
    }

    /**
     * Check if Encore was either called through
     * the CLI utility or after being manually intialized
     * using Encore.configureRuntimeEnvironment.
     *
     * @returns {boolean}
     */
    isRuntimeEnvironmentConfigured() {
        return runtimeConfig !== null;
    }

    /**
     * Clear the runtime environment.
     *
     * Be aware than using this method will also reset the
     * current webpack configuration.
     *
     * @returns {void}
     */
    clearRuntimeEnvironment() {
        runtimeConfig = null;
        webpackConfig = null;
    }
}

/**
 * Proxy the API in order to prevent calls to most of its methods
 * if the webpackConfig object hasn't been initialized yet.
 * @type {Encore}
 */
module.exports = EncoreProxy.createProxy(new Encore());