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92 lines
2.4 KiB
92 lines
2.4 KiB
4 years ago
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/*
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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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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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// TODO webpack 5 remove this compat-layer
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if (arguments.length > 1 || options instanceof RegExp) {
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options = {
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resourceRegExp: arguments[0],
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contextRegExp: arguments[1]
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};
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}
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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 {TODO} result result
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* @returns {TODO|null} returns result or null if result should be ignored
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*/
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checkIgnore(result) {
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if (!result) return result;
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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(result.request, result.context)
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) {
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// TODO webpack 5 remove checkContext, as checkResource already gets context
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if ("checkContext" in this.options && this.options.checkContext) {
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if (this.options.checkContext(result.context)) {
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return null;
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}
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} else {
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return null;
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}
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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(result.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(result.context)) {
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return null;
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}
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} else {
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return null;
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}
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}
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return result;
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}
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/**
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* @param {Compiler} compiler Webpack Compiler
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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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