70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
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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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class IgnorePlugin {
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constructor(resourceRegExp, contextRegExp) {
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this.resourceRegExp = resourceRegExp;
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this.contextRegExp = contextRegExp;
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this.checkIgnore = this.checkIgnore.bind(this);
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}
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/*
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* Only returns true if a "resourceRegExp" exists
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* and the resource given matches the regexp.
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*/
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checkResouce(resource) {
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if(!this.resourceRegExp) {
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return false;
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}
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return this.resourceRegExp.test(resource);
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}
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/*
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* Returns true if contextRegExp does not exist
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* or if context matches the given regexp.
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*/
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checkContext(context) {
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if(!this.contextRegExp) {
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return true;
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}
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return this.contextRegExp.test(context);
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}
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/*
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* Returns true if result should be ignored.
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* false if it shouldn't.
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*
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* Not 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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checkResult(result) {
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if(!result) {
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return true;
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}
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return this.checkResouce(result.request) && this.checkContext(result.context);
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}
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checkIgnore(result, callback) {
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// check if result is ignored
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if(this.checkResult(result)) {
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return callback();
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}
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return callback(null, result);
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}
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apply(compiler) {
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compiler.plugin("normal-module-factory", (nmf) => {
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nmf.plugin("before-resolve", this.checkIgnore);
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});
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compiler.plugin("context-module-factory", (cmf) => {
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cmf.plugin("before-resolve", 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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