Method addParent

lib/ChunkGroup.js:349–355

* Records a parent chunk group relationship. * @param {ChunkGroup} parentChunk the parent group to be added into * @returns {boolean} returns true if this chunk group was added to the parent group

(parentChunk)

	 * @returns {boolean} returns true if this chunk group was added to the parent group
	 */
	addParent(parentChunk) {
		if (!this._parents.has(parentChunk)) {
			this._parents.add(parentChunk);
			return true;
		}
		return false;
	}

	/**
	 * Returns the parent chunk groups that can lead to this group.