aaac7fed
 liuqimichale
add
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const ReplaceSource = require("webpack-sources").ReplaceSource;
const RawSource = require("webpack-sources").RawSource;
class DependenciesBlockVariable {
constructor(name, expression, dependencies) {
this.name = name;
this.expression = expression;
this.dependencies = dependencies || [];
}
updateHash(hash) {
hash.update(this.name);
hash.update(this.expression);
this.dependencies.forEach(d => {
d.updateHash(hash);
});
}
expressionSource(dependencyTemplates, outputOptions, requestShortener) {
const source = new ReplaceSource(new RawSource(this.expression));
this.dependencies.forEach(dep => {
const template = dependencyTemplates.get(dep.constructor);
if(!template) throw new Error(`No template for dependency: ${dep.constructor.name}`);
template.apply(dep, source, outputOptions, requestShortener, dependencyTemplates);
});
return source;
}
disconnect() {
this.dependencies.forEach(d => {
d.disconnect();
});
}
hasDependencies(filter) {
if(filter) {
if(this.dependencies.some(filter)) return true;
} else {
if(this.dependencies.length > 0) return true;
}
return false;
}
}
module.exports = DependenciesBlockVariable;
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