75 lines
2.0 KiB
JavaScript
75 lines
2.0 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 validateOptions = require("schema-utils");
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const schema = require("../schemas/plugins/IgnorePlugin.json");
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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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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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validateOptions(schema, options, "IgnorePlugin");
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this.options = options;
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/** @private @type {Function} */
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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"
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* and "contextRegExp" have to match.
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*
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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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* @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("IgnorePlugin", nmf => {
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nmf.hooks.beforeResolve.tap("IgnorePlugin", this.checkIgnore);
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});
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compiler.hooks.contextModuleFactory.tap("IgnorePlugin", cmf => {
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cmf.hooks.beforeResolve.tap("IgnorePlugin", 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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