dependency-cruiser/src/graph-utl/module-graph-with-dependency-set.mjs

Validate and visualize dependencies. With your rules. JavaScript, TypeScript, CoffeeScript. ES6, CommonJS, AMD.

export default class ModuleGraphWithDependencySet {
	/** @type {Array<{source: string, dependencies: Set<string>}>} */
	#modulesWithDependencySet;
	/**
	 * Creates a module graph optimized for querying dependents
	 * @constructor
	 * @param {import("../../types/dependency-cruiser.mjs").IModule[]} pModules
	 */
	constructor(pModules) {
		this.#modulesWithDependencySet = pModules.map((pModule) => ({
			source: pModule.source,
			dependencies: new Set(
				pModule.dependencies.map((pDependency) => pDependency.resolved),
			),
		}));
	}

	/**
	 * Returns true if the given module has dependents in the graph, false otherwise
	 *
	 * @param {import("../../types/dependency-cruiser.mjs").IModule} pModule
	 * @returns {boolean}
	 */
	moduleHasDependents(pModule) {
		return this.#modulesWithDependencySet.some(({ dependencies }) =>
			dependencies.has(pModule.source),
		);
	}

	/**
	 * Returns an array of module source paths that depend on the given module
	 *
	 * @param {import("../../types/dependency-cruiser.mjs").IModule} pModule
	 * @returns {Array<string>}
	 */
	getDependents(pModule) {
		return this.#modulesWithDependencySet
			.filter(({ dependencies }) => dependencies.has(pModule.source))
			.map(({ source }) => source);
	}
}