aaac7fed
 liuqimichale
add
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const DependenciesBlockVariable = require("./DependenciesBlockVariable");
function disconnect(i) {
i.disconnect();
}
function unseal(i) {
i.unseal();
}
class DependenciesBlock {
constructor() {
this.dependencies = [];
this.blocks = [];
this.variables = [];
}
addBlock(block) {
this.blocks.push(block);
block.parent = this;
}
addVariable(name, expression, dependencies) {
for(let v of this.variables) {
if(v.name === name && v.expression === expression) {
return;
}
}
this.variables.push(new DependenciesBlockVariable(name, expression, dependencies));
}
addDependency(dependency) {
this.dependencies.push(dependency);
}
updateHash(hash) {
function updateHash(i) {
i.updateHash(hash);
}
this.dependencies.forEach(updateHash);
this.blocks.forEach(updateHash);
this.variables.forEach(updateHash);
}
disconnect() {
this.dependencies.forEach(disconnect);
this.blocks.forEach(disconnect);
this.variables.forEach(disconnect);
}
unseal() {
this.blocks.forEach(unseal);
}
hasDependencies(filter) {
if(filter) {
if(this.dependencies.some(filter)) {
return true;
}
} else {
if(this.dependencies.length > 0) {
return true;
}
}
return this.blocks.concat(this.variables).some(item => item.hasDependencies(filter));
}
sortItems() {
this.blocks.forEach(block => block.sortItems());
}
}
module.exports = DependenciesBlock;
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