Method request

lib/LazyBarrel.js:143–184

* Removes and returns the groups needed to provide the requested export names. * @param {Set<string> | true} forwardedIds requested export names, true for all * @returns {DependencyGroup[]} groups that must be processed now

(forwardedIds)

	 * @returns {DependencyGroup[]} groups that must be processed now
	 */
	request(forwardedIds) {
		/** @type {DependencyGroup[]} */
		const result = [];
		/**
		 * @param {DependencyGroup} group taken group
		 */
		const unlazy = (group) => {
			for (const dependency of group.dependencies) {
				dependency.setLazy(false);
			}
			result.push(group);
		};
		if (forwardedIds === true) {
			for (const group of this._requestToDepGroup.values()) unlazy(group);
			this._requestToDepGroup.clear();
			this._release();
			return result;
		}
		/**
		 * @param {string} requestKey request key to take
		 */
		const take = (requestKey) => {
			const group = this._requestToDepGroup.get(requestKey);
			if (group === undefined) return;
			this._requestToDepGroup.delete(requestKey);
			unlazy(group);
		};
		for (const id of forwardedIds) {
			if (this._terminalIds !== undefined && this._terminalIds.has(id)) {
				continue;
			}
			const requestKey = this._forwardIdToRequest.get(id);
			if (requestKey !== undefined) {
				take(requestKey);
			} else if (this._fallbackRequests !== undefined) {
				// unknown name: any star re-export may provide it
				for (const fallbackKey of this._fallbackRequests) take(fallbackKey);
			}
		}
		if (this._requestToDepGroup.size === 0) this._release();
		return result;
	}
}

const esmDependencyCategory = "esm";