Method addAsyncEntrypoint

lib/Compilation.js:4428–4462

* Adds the provided async entrypoint to this chunk group. * @param {EntryOptions} options options for the entrypoint * @param {Module} module the module the references the chunk group * @param {DependencyLocation} loc the location from with the chunk group is referenced (inside of module) *

(options, module, loc, request)

	 * @returns {Entrypoint} the new or existing entrypoint
	 */
	addAsyncEntrypoint(options, module, loc, request) {
		const name = options.name;
		if (name) {
			const entrypoint = this.namedChunkGroups.get(name);
			if (entrypoint instanceof Entrypoint) {
				if (module) {
					entrypoint.addOrigin(module, loc, request);
				}
				return entrypoint;
			} else if (entrypoint) {
				throw new Error(
					`Cannot add an async entrypoint with the name '${name}', because there is already an chunk group with this name`
				);
			}
		}
		const chunk = this.addChunk(name);
		if (options.filename) {
			chunk.filenameTemplate = options.filename;
		}
		const entrypoint = new Entrypoint(options, false);
		entrypoint.setRuntimeChunk(chunk);
		entrypoint.setEntrypointChunk(chunk);
		if (name) {
			this.namedChunkGroups.set(name, entrypoint);
		}
		this.chunkGroups.push(entrypoint);
		this.asyncEntrypoints.push(entrypoint);
		if (entrypoint.pushChunk(chunk)) {
			chunk.addGroup(entrypoint);
		}
		if (module) {
			entrypoint.addOrigin(module, loc, request);
		}
		return entrypoint;
	}

	/**
	 * This method first looks to see if a name is provided for a new chunk,