52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
/*
|
|
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;
|