webpack/lib/DependenciesBlockVariable.js

37 lines
1.2 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
var ReplaceSource = require("webpack-core/lib/ReplaceSource");
var RawSource = require("webpack-core/lib/RawSource");
function DependenciesBlockVariable(name, expression, dependencies) {
this.name = name;
this.expression = expression;
this.dependencies = dependencies || [];
}
module.exports = DependenciesBlockVariable;
DependenciesBlockVariable.prototype.updateHash = function(hash) {
hash.update(this.name);
hash.update(this.expression);
this.dependencies.forEach(function(d) {
d.updateHash(hash);
});
};
DependenciesBlockVariable.prototype.expressionSource = function(dependencyTemplates, outputOptions, requestShortener) {
var source = new ReplaceSource(new RawSource(this.expression));
this.dependencies.forEach(function(dep) {
var template = dependencyTemplates.get(dep.Class);
if(!template) throw new Error("No template for dependency: " + dep.Class.name);
template.apply(dep, source, outputOptions, requestShortener);
});
return source;
};
DependenciesBlockVariable.prototype.disconnect = function() {
this.dependencies.forEach(function(d) {
d.disconnect();
});
};