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4 years ago
/*
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");
/** @typedef {import("../declarations/plugins/LoaderOptionsPlugin").LoaderOptionsPluginOptions} LoaderOptionsPluginOptions */
class LoaderOptionsPlugin {
/**
* @param {LoaderOptionsPluginOptions} options options object
*/
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;