webpack/lib/DependenciesBlock.js

83 lines
1.8 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const DependenciesBlockVariable = require("./DependenciesBlockVariable");
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);
}
removeDependency(dependency) {
const idx = this.dependencies.indexOf(dependency);
if (idx >= 0) this.dependencies.splice(idx, 1);
}
updateHash(hash) {
for (const dep of this.dependencies) dep.updateHash(hash);
for (const block of this.blocks) block.updateHash(hash);
for (const variable of this.variables) variable.updateHash(hash);
}
disconnect() {
for (const dep of this.dependencies) dep.disconnect();
for (const block of this.blocks) block.disconnect();
for (const variable of this.variables) variable.disconnect();
}
unseal() {
for (const block of this.blocks) block.unseal();
}
hasDependencies(filter) {
if (filter) {
for (const dep of this.dependencies) {
if (filter(dep)) return true;
}
} else {
if (this.dependencies.length > 0) {
return true;
}
}
for (const block of this.blocks) {
if (block.hasDependencies(filter)) return true;
}
for (const variable of this.variables) {
if (variable.hasDependencies(filter)) return true;
}
return false;
}
sortItems() {
for (const block of this.blocks) block.sortItems();
}
}
module.exports = DependenciesBlock;