webpack/lib/LoaderOptionsPlugin.js

44 lines
1.2 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
const validateOptions = require("schema-utils");
const schema = require("../schemas/plugins/LoaderOptionsPlugin.json");
class LoaderOptionsPlugin {
constructor(options) {
validateOptions(schema, options || {}, "Loader Options Plugin");
if(typeof options !== "object") options = {};
if(!options.test) options.test = {
test: () => true
};
this.options = options;
}
apply(compiler) {
const options = this.options;
compiler.hooks.compilation.tap("LoaderOptionsPlugin", (compilation) => {
compilation.hooks.normalModuleLoader.tap("LoaderOptionsPlugin", (context, module) => {
const resource = module.resource;
if(!resource) return;
const i = resource.indexOf("?");
if(ModuleFilenameHelpers.matchObject(options, i < 0 ? resource : resource.substr(0, i))) {
for(const key of Object.keys(options)) {
if(key === "include" || key === "exclude" || key === "test") {
continue;
}
context[key] = options[key];
}
}
});
});
}
}
module.exports = LoaderOptionsPlugin;