mirror of https://github.com/webpack/webpack.git
90 lines
2.2 KiB
JavaScript
90 lines
2.2 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
|
|
/** @typedef {import("./ChunkGraph")} ChunkGraph */
|
|
/** @typedef {import("./ChunkGroup")} ChunkGroup */
|
|
/** @typedef {import("./Dependency")} Dependency */
|
|
/** @typedef {import("./util/createHash").Hash} Hash */
|
|
|
|
/** @typedef {(d: Dependency) => boolean} DependencyFilterFunction */
|
|
|
|
class DependenciesBlock {
|
|
constructor() {
|
|
/** @type {Dependency[]} */
|
|
this.dependencies = [];
|
|
/** @type {AsyncDependenciesBlock[]} */
|
|
this.blocks = [];
|
|
}
|
|
|
|
/**
|
|
* Adds a DependencyBlock to DependencyBlock relationship.
|
|
* This is used for when a Module has a AsyncDependencyBlock tie (for code-splitting)
|
|
*
|
|
* @param {AsyncDependenciesBlock} block block being added
|
|
* @returns {void}
|
|
*/
|
|
addBlock(block) {
|
|
this.blocks.push(block);
|
|
block.parent = this;
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency dependency being tied to block.
|
|
* This is an "edge" pointing to another "node" on module graph.
|
|
* @returns {void}
|
|
*/
|
|
addDependency(dependency) {
|
|
this.dependencies.push(dependency);
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency dependency being removed
|
|
* @returns {void}
|
|
*/
|
|
removeDependency(dependency) {
|
|
const idx = this.dependencies.indexOf(dependency);
|
|
if (idx >= 0) {
|
|
this.dependencies.splice(idx, 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {Hash} hash the hash used to track dependencies
|
|
* @param {ChunkGraph} chunkGraph the chunk graph
|
|
* @returns {void}
|
|
*/
|
|
updateHash(hash, chunkGraph) {
|
|
for (const dep of this.dependencies) dep.updateHash(hash, chunkGraph);
|
|
for (const block of this.blocks) block.updateHash(hash, chunkGraph);
|
|
}
|
|
|
|
/**
|
|
* @param {DependencyFilterFunction} filter filter function for dependencies, gets passed all dependency ties from current instance
|
|
* @returns {boolean} returns boolean for filter
|
|
*/
|
|
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;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
module.exports = DependenciesBlock;
|