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562 lines
14 KiB
562 lines
14 KiB
const path = require("path");
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const fs = require("fs");
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fs.existsSync = fs.existsSync || path.existsSync;
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const interpret = require("interpret");
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const prepareOptions = require("./prepareOptions");
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const findup = require("findup-sync");
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const validateOptions = require("./validate-options");
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module.exports = function(...args) {
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const argv = args[1] || args[0];
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const options = [];
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// Shortcuts
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if (argv.d) {
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argv.debug = true;
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argv["output-pathinfo"] = true;
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if (!argv.devtool) {
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argv.devtool = "eval-cheap-module-source-map";
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}
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if (!argv.mode) {
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argv.mode = "development";
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}
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}
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if (argv.p) {
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argv["optimize-minimize"] = true;
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// eslint-disable-next-line quotes
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argv["define"] = [].concat(argv["define"] || []).concat('process.env.NODE_ENV="production"');
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if (!argv.mode) {
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argv.mode = "production";
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}
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}
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if (argv.output) {
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let output = argv.output;
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if (!path.isAbsolute(argv.o)) {
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output = path.resolve(process.cwd(), output);
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}
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argv["output-filename"] = path.basename(output);
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argv["output-path"] = path.dirname(output);
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}
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let configFileLoaded = false;
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let configFiles = [];
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const extensions = Object.keys(interpret.extensions).sort(function(a, b) {
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return a === ".js" ? -1 : b === ".js" ? 1 : a.length - b.length;
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});
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let i;
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if (argv.config) {
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const getConfigExtension = function getConfigExtension(configPath) {
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for (i = extensions.length - 1; i >= 0; i--) {
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const tmpExt = extensions[i];
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if (configPath.indexOf(tmpExt, configPath.length - tmpExt.length) > -1) {
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return tmpExt;
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}
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}
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return path.extname(configPath);
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};
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const mapConfigArg = function mapConfigArg(configArg) {
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const resolvedPath = path.resolve(configArg);
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const extension = getConfigExtension(resolvedPath);
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return {
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path: resolvedPath,
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ext: extension
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};
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};
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const configArgList = Array.isArray(argv.config) ? argv.config : [argv.config];
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configFiles = configArgList.map(mapConfigArg);
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} else {
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const defaultConfigFileNames = ["webpack.config", "webpackfile"].join("|");
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const webpackConfigFileRegExp = `(${defaultConfigFileNames})(${extensions.join("|")})`;
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const pathToWebpackConfig = findup(webpackConfigFileRegExp);
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if (pathToWebpackConfig) {
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const resolvedPath = path.resolve(pathToWebpackConfig);
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const actualConfigFileName = path.basename(resolvedPath);
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const ext = actualConfigFileName.replace(new RegExp(defaultConfigFileNames), "");
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configFiles.push({
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path: resolvedPath,
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ext
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});
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}
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}
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if (configFiles.length > 0) {
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const registerCompiler = function registerCompiler(moduleDescriptor) {
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if (moduleDescriptor) {
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if (typeof moduleDescriptor === "string") {
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require(moduleDescriptor);
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} else if (!Array.isArray(moduleDescriptor)) {
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moduleDescriptor.register(require(moduleDescriptor.module));
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} else {
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for (let i = 0; i < moduleDescriptor.length; i++) {
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try {
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registerCompiler(moduleDescriptor[i]);
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break;
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} catch (e) {
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// do nothing
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}
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}
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}
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}
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};
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const requireConfig = function requireConfig(configPath) {
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let options = (function WEBPACK_OPTIONS() {
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if (argv.configRegister && argv.configRegister.length) {
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module.paths.unshift(path.resolve(process.cwd(), "node_modules"), process.cwd());
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argv.configRegister.forEach(dep => {
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require(dep);
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});
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return require(path.resolve(process.cwd(), configPath));
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} else {
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return require(path.resolve(process.cwd(), configPath));
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}
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})();
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options = prepareOptions(options, argv);
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return options;
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};
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configFiles.forEach(function(file) {
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registerCompiler(interpret.extensions[file.ext]);
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options.push(requireConfig(file.path));
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});
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configFileLoaded = true;
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}
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if (!configFileLoaded) {
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return processConfiguredOptions();
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} else if (options.length === 1) {
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return processConfiguredOptions(options[0]);
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} else {
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return processConfiguredOptions(options);
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}
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function processConfiguredOptions(options) {
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if (options) {
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validateOptions(options);
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} else {
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options = {};
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}
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// process Promise
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if (typeof options.then === "function") {
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return options.then(processConfiguredOptions);
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}
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// process ES6 default
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if (typeof options === "object" && typeof options.default === "object") {
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return processConfiguredOptions(options.default);
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}
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// filter multi-config by name
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if (Array.isArray(options) && argv["config-name"]) {
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const namedOptions = options.filter(function(opt) {
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return opt.name === argv["config-name"];
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});
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if (namedOptions.length === 0) {
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console.error("Configuration with name '" + argv["config-name"] + "' was not found.");
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process.exit(-1); // eslint-disable-line
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} else if (namedOptions.length === 1) {
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return processConfiguredOptions(namedOptions[0]);
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}
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options = namedOptions;
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}
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if (Array.isArray(options)) {
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options.forEach(processOptions);
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} else {
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processOptions(options);
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}
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if (argv.context) {
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options.context = path.resolve(argv.context);
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}
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if (!options.context) {
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options.context = process.cwd();
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}
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if (argv.watch) {
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options.watch = true;
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}
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if (argv["watch-aggregate-timeout"]) {
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options.watchOptions = options.watchOptions || {};
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options.watchOptions.aggregateTimeout = +argv["watch-aggregate-timeout"];
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}
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if (typeof argv["watch-poll"] !== "undefined") {
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options.watchOptions = options.watchOptions || {};
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if (argv["watch-poll"] === "true" || argv["watch-poll"] === "") options.watchOptions.poll = true;
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else if (!isNaN(argv["watch-poll"])) options.watchOptions.poll = +argv["watch-poll"];
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}
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if (argv["watch-stdin"]) {
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options.watchOptions = options.watchOptions || {};
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options.watchOptions.stdin = true;
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options.watch = true;
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}
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return options;
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}
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function processOptions(options) {
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function ifArg(name, fn, init, finalize) {
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const isArray = Array.isArray(argv[name]);
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const isSet = typeof argv[name] !== "undefined" && argv[name] !== null;
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if (!isArray && !isSet) return;
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init && init();
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if (isArray) argv[name].forEach(fn);
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else if (isSet) fn(argv[name], -1);
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finalize && finalize();
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}
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function ifArgPair(name, fn, init, finalize) {
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ifArg(
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name,
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function(content, idx) {
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const i = content.indexOf("=");
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if (i < 0) {
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return fn(null, content, idx);
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} else {
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return fn(content.substr(0, i), content.substr(i + 1), idx);
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}
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},
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init,
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finalize
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);
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}
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function ifBooleanArg(name, fn) {
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ifArg(name, function(bool) {
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if (bool) {
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fn();
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}
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});
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}
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function mapArgToBoolean(name, optionName) {
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ifArg(name, function(bool) {
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if (bool === true) options[optionName || name] = true;
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else if (bool === false) options[optionName || name] = false;
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});
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}
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function loadPlugin(name) {
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const loadUtils = require("loader-utils");
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let args;
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try {
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const p = name && name.indexOf("?");
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if (p > -1) {
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args = loadUtils.parseQuery(name.substring(p));
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name = name.substring(0, p);
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}
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} catch (e) {
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console.log("Invalid plugin arguments " + name + " (" + e + ").");
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process.exit(-1); // eslint-disable-line
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}
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let path;
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try {
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const resolve = require("enhanced-resolve");
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path = resolve.sync(process.cwd(), name);
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} catch (e) {
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console.log("Cannot resolve plugin " + name + ".");
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process.exit(-1); // eslint-disable-line
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}
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let Plugin;
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try {
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Plugin = require(path);
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} catch (e) {
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console.log("Cannot load plugin " + name + ". (" + path + ")");
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throw e;
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}
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try {
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return new Plugin(args);
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} catch (e) {
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console.log("Cannot instantiate plugin " + name + ". (" + path + ")");
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throw e;
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}
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}
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function ensureObject(parent, name, force) {
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if (force || typeof parent[name] !== "object" || parent[name] === null) {
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parent[name] = {};
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}
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}
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function ensureArray(parent, name) {
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if (!Array.isArray(parent[name])) {
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parent[name] = [];
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}
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}
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function addPlugin(options, plugin) {
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ensureArray(options, "plugins");
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options.plugins.unshift(plugin);
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}
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ifArg("mode", function(value) {
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options.mode = value;
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});
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ifArgPair(
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"entry",
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function(name, entry) {
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if (typeof options.entry[name] !== "undefined" && options.entry[name] !== null) {
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options.entry[name] = [].concat(options.entry[name]).concat(entry);
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} else {
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options.entry[name] = entry;
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}
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},
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function() {
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ensureObject(options, "entry", true);
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}
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);
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function bindRules(arg) {
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ifArgPair(
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arg,
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function(name, binding) {
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if (name === null) {
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name = binding;
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binding += "-loader";
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}
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const rule = {
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test: new RegExp("\\." + name.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&") + "$"), // eslint-disable-line no-useless-escape
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loader: binding
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};
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if (arg === "module-bind-pre") {
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rule.enforce = "pre";
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} else if (arg === "module-bind-post") {
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rule.enforce = "post";
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}
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options.module.rules.push(rule);
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},
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function() {
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ensureObject(options, "module");
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ensureArray(options.module, "rules");
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}
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);
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}
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bindRules("module-bind");
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bindRules("module-bind-pre");
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bindRules("module-bind-post");
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let defineObject;
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ifArgPair(
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"define",
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function(name, value) {
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if (name === null) {
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name = value;
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value = true;
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}
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defineObject[name] = value;
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},
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function() {
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defineObject = {};
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},
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function() {
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const DefinePlugin = require("webpack").DefinePlugin;
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addPlugin(options, new DefinePlugin(defineObject));
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}
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);
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ifArg("output-path", function(value) {
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ensureObject(options, "output");
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options.output.path = path.resolve(value);
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});
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ifArg("output-filename", function(value) {
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ensureObject(options, "output");
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options.output.filename = value;
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});
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ifArg("output-chunk-filename", function(value) {
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ensureObject(options, "output");
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options.output.chunkFilename = value;
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});
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ifArg("output-source-map-filename", function(value) {
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ensureObject(options, "output");
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options.output.sourceMapFilename = value;
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});
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ifArg("output-public-path", function(value) {
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ensureObject(options, "output");
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options.output.publicPath = value;
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});
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ifArg("output-jsonp-function", function(value) {
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ensureObject(options, "output");
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options.output.jsonpFunction = value;
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});
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ifBooleanArg("output-pathinfo", function() {
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ensureObject(options, "output");
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options.output.pathinfo = true;
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});
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ifArg("output-library", function(value) {
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ensureObject(options, "output");
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ensureArray(options.output, "library");
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options.output.library.push(value);
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});
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ifArg("output-library-target", function(value) {
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ensureObject(options, "output");
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options.output.libraryTarget = value;
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});
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ifArg("records-input-path", function(value) {
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options.recordsInputPath = path.resolve(value);
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});
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ifArg("records-output-path", function(value) {
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options.recordsOutputPath = path.resolve(value);
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});
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ifArg("records-path", function(value) {
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options.recordsPath = path.resolve(value);
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});
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ifArg("target", function(value) {
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options.target = value;
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});
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mapArgToBoolean("cache");
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ifBooleanArg("hot", function() {
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const HotModuleReplacementPlugin = require("webpack").HotModuleReplacementPlugin;
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addPlugin(options, new HotModuleReplacementPlugin());
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});
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ifBooleanArg("no-cache", function() {
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options.cache = false;
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});
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ifBooleanArg("debug", function() {
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const LoaderOptionsPlugin = require("webpack").LoaderOptionsPlugin;
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addPlugin(
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options,
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new LoaderOptionsPlugin({
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debug: true
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})
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);
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});
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ifArg("devtool", function(value) {
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options.devtool = value;
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});
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function processResolveAlias(arg, key) {
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ifArgPair(arg, function(name, value) {
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if (!name) {
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throw new Error("--" + arg + " <string>=<string>");
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}
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ensureObject(options, key);
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ensureObject(options[key], "alias");
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options[key].alias[name] = value;
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});
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}
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processResolveAlias("resolve-alias", "resolve");
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processResolveAlias("resolve-loader-alias", "resolveLoader");
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ifArg("resolve-extensions", function(value) {
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ensureObject(options, "resolve");
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if (Array.isArray(value)) {
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options.resolve.extensions = value;
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} else {
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options.resolve.extensions = value.split(/,\s*/);
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}
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});
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ifArg("optimize-max-chunks", function(value) {
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const LimitChunkCountPlugin = require("webpack").optimize.LimitChunkCountPlugin;
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addPlugin(
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options,
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new LimitChunkCountPlugin({
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maxChunks: parseInt(value, 10)
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})
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);
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});
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ifArg("optimize-min-chunk-size", function(value) {
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const MinChunkSizePlugin = require("webpack").optimize.MinChunkSizePlugin;
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|
addPlugin(
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options,
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new MinChunkSizePlugin({
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minChunkSize: parseInt(value, 10)
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})
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);
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});
|
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|
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ifBooleanArg("optimize-minimize", function() {
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const LoaderOptionsPlugin = require("webpack").LoaderOptionsPlugin;
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|
addPlugin(
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options,
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new LoaderOptionsPlugin({
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minimize: true
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|
})
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|
);
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|
});
|
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|
|
ifArg("prefetch", function(request) {
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const PrefetchPlugin = require("webpack").PrefetchPlugin;
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|
addPlugin(options, new PrefetchPlugin(request));
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|
});
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|
|
ifArg("provide", function(value) {
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const idx = value.indexOf("=");
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|
let name;
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|
if (idx >= 0) {
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|
name = value.substr(0, idx);
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|
value = value.substr(idx + 1);
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|
} else {
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|
name = value;
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|
}
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|
const ProvidePlugin = require("webpack").ProvidePlugin;
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|
addPlugin(options, new ProvidePlugin(name, value));
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|
});
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|
|
|
ifArg("plugin", function(value) {
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|
addPlugin(options, loadPlugin(value));
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|
});
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|
mapArgToBoolean("bail");
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mapArgToBoolean("profile");
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|
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|
if (argv._.length > 0) {
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|
ensureObject(options, "entry", true);
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|
const addTo = function addTo(name, entry) {
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if (options.entry[name]) {
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if (!Array.isArray(options.entry[name])) {
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|
options.entry[name] = [options.entry[name]];
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|
}
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options.entry[name].push(entry);
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|
} else {
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options.entry[name] = entry;
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|
}
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|
};
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|
argv._.forEach(function(content) {
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|
const i = content.indexOf("=");
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|
const j = content.indexOf("?");
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|
if (i < 0 || (j >= 0 && j < i)) {
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const resolved = path.resolve(content);
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if (fs.existsSync(resolved)) {
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addTo("main", `${resolved}${fs.statSync(resolved).isDirectory() ? path.sep : ""}`);
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|
} else {
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addTo("main", content);
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}
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|
} else {
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|
addTo(content.substr(0, i), content.substr(i + 1));
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|
}
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|
});
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|
}
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|
}
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|
};
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