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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
- const makeSerializable = require("./util/makeSerializable");
- /** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
- /** @typedef {import("./ChunkGraph")} ChunkGraph */
- /** @typedef {import("./ChunkGroup")} ChunkGroup */
- /** @typedef {import("./Dependency")} Dependency */
- /** @typedef {import("./Dependency").UpdateHashContext} UpdateHashContext */
- /** @typedef {import("./util/Hash")} Hash */
- /** @typedef {(d: Dependency) => boolean} DependencyFilterFunction */
- class DependenciesBlock {
- constructor() {
- /** @type {Dependency[]} */
- this.dependencies = [];
- /** @type {AsyncDependenciesBlock[]} */
- this.blocks = [];
- /** @type {DependenciesBlock} */
- this.parent = undefined;
- }
- getRootBlock() {
- /** @type {DependenciesBlock} */
- let current = this;
- while (current.parent) current = current.parent;
- return current;
- }
- /**
- * 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);
- }
- }
- /**
- * Removes all dependencies and blocks
- * @returns {void}
- */
- clearDependenciesAndBlocks() {
- this.dependencies.length = 0;
- this.blocks.length = 0;
- }
- /**
- * @param {Hash} hash the hash used to track dependencies
- * @param {UpdateHashContext} context context
- * @returns {void}
- */
- updateHash(hash, context) {
- for (const dep of this.dependencies) {
- dep.updateHash(hash, context);
- }
- for (const block of this.blocks) {
- block.updateHash(hash, context);
- }
- }
- serialize({ write }) {
- write(this.dependencies);
- write(this.blocks);
- }
- deserialize({ read }) {
- this.dependencies = read();
- this.blocks = read();
- for (const block of this.blocks) {
- block.parent = this;
- }
- }
- }
- makeSerializable(DependenciesBlock, "webpack/lib/DependenciesBlock");
- module.exports = DependenciesBlock;
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