52 lines
1.2 KiB
JavaScript
52 lines
1.2 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 { RawSource, ReplaceSource } = require("webpack-sources");
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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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for (const d of this.dependencies) {
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d.updateHash(hash);
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}
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}
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expressionSource(dependencyTemplates, runtimeTemplate) {
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const source = new ReplaceSource(new RawSource(this.expression));
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for (const dep of this.dependencies) {
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const template = dependencyTemplates.get(dep.constructor);
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if (!template)
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throw new Error(`No template for dependency: ${dep.constructor.name}`);
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template.apply(dep, source, runtimeTemplate, dependencyTemplates);
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}
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return source;
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}
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disconnect() {
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for (const d of this.dependencies) {
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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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