103 lines
2.7 KiB
JavaScript
103 lines
2.7 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const RawModule = require("./RawModule");
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const EntryDependency = require("./dependencies/EntryDependency");
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const createSchemaValidation = require("./util/create-schema-validation");
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/** @typedef {import("../declarations/plugins/IgnorePlugin").IgnorePluginOptions} IgnorePluginOptions */
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/** @typedef {import("./Compiler")} Compiler */
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/** @typedef {import("./NormalModuleFactory").ResolveData} ResolveData */
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const validate = createSchemaValidation(
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require("../schemas/plugins/IgnorePlugin.check"),
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() => require("../schemas/plugins/IgnorePlugin.json"),
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{
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name: "Ignore Plugin",
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baseDataPath: "options"
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}
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);
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const PLUGIN_NAME = "IgnorePlugin";
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class IgnorePlugin {
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/**
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* @param {IgnorePluginOptions} options IgnorePlugin options
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*/
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constructor(options) {
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validate(options);
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this.options = options;
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this.checkIgnore = this.checkIgnore.bind(this);
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}
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/**
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* Note that if "contextRegExp" is given, both the "resourceRegExp" and "contextRegExp" have to match.
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* @param {ResolveData} resolveData resolve data
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* @returns {false|undefined} returns false when the request should be ignored, otherwise undefined
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*/
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checkIgnore(resolveData) {
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if (
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"checkResource" in this.options &&
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this.options.checkResource &&
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this.options.checkResource(resolveData.request, resolveData.context)
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) {
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return false;
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}
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if (
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"resourceRegExp" in this.options &&
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this.options.resourceRegExp &&
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this.options.resourceRegExp.test(resolveData.request)
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) {
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if ("contextRegExp" in this.options && this.options.contextRegExp) {
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// if "contextRegExp" is given,
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// both the "resourceRegExp" and "contextRegExp" have to match.
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if (this.options.contextRegExp.test(resolveData.context)) {
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return false;
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}
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} else {
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return false;
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}
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}
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}
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/**
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* Apply the plugin
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.normalModuleFactory.tap(PLUGIN_NAME, (nmf) => {
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nmf.hooks.beforeResolve.tap(PLUGIN_NAME, (resolveData) => {
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const result = this.checkIgnore(resolveData);
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if (
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result === false &&
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resolveData.dependencies.length > 0 &&
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resolveData.dependencies[0] instanceof EntryDependency
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) {
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const module = new RawModule(
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"",
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"ignored-entry-module",
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"(ignored-entry-module)"
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);
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module.factoryMeta = { sideEffectFree: true };
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resolveData.ignoredModule = module;
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}
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return result;
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});
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});
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compiler.hooks.contextModuleFactory.tap(PLUGIN_NAME, (cmf) => {
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cmf.hooks.beforeResolve.tap(PLUGIN_NAME, this.checkIgnore);
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});
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}
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}
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module.exports = IgnorePlugin;
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