52 lines
1.3 KiB
JavaScript
52 lines
1.3 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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const ReplaceSource = require("webpack-sources").ReplaceSource;
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const RawSource = require("webpack-sources").RawSource;
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class DependenciesBlockVariable {
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constructor(name, expression, dependencies) {
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this.name = name;
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this.expression = expression;
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this.dependencies = dependencies || [];
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}
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updateHash(hash) {
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hash.update(this.name);
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hash.update(this.expression);
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this.dependencies.forEach(d => {
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d.updateHash(hash);
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});
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}
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expressionSource(dependencyTemplates, outputOptions, requestShortener) {
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const source = new ReplaceSource(new RawSource(this.expression));
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this.dependencies.forEach(dep => {
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const template = dependencyTemplates.get(dep.constructor);
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if(!template) throw new Error(`No template for dependency: ${dep.constructor.name}`);
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template.apply(dep, source, outputOptions, requestShortener, dependencyTemplates);
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});
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return source;
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}
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disconnect() {
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this.dependencies.forEach(d => {
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d.disconnect();
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});
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}
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hasDependencies(filter) {
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if(filter) {
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if(this.dependencies.some(filter)) return true;
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} else {
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if(this.dependencies.length > 0) return true;
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}
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return false;
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}
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}
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module.exports = DependenciesBlockVariable;
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