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/*
 MIT License http://www.opensource.org/licenses/mit-license.php
 Author Tobias Koppers @sokra
 */
"use strict";
const DependenciesBlockVariable = require("./DependenciesBlockVariable");
/** @typedef {import("./ChunkGroup")} ChunkGroup */
/** @typedef {import("./Dependency")} Dependency */
/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
/** @typedef {import("./DependenciesBlockVariable")} DependenciesBlockVariable */
/** @typedef {(d: Dependency) => boolean} DependencyFilterFunction */
/** @typedef {import("./util/createHash").Hash} Hash */
class DependenciesBlock {
    constructor() {
        /** @type {Dependency[]} */
        this.dependencies = [];
        /** @type {AsyncDependenciesBlock[]} */
        this.blocks = [];
        /** @type {DependenciesBlockVariable[]} */
        this.variables = [];
    }
    /**
     * 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 {string} name name of dependency
     * @param {string} expression expression string for variable
     * @param {Dependency[]} dependencies dependency instances tied to variable
     * @returns {void}
     */
    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));
    }
    /**
     * @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
     * @returns {void}
     */
    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();
    }
    /**
     * @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;
        }
        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;
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