You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

563 lines
14 KiB

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