Method remove

lib/ChunkGroup.js:491–525

* Disconnects this group from its parents, children, and chunks. * Child groups are reconnected to this group's parents so the surrounding * graph remains intact after removal. * @returns {void}

()

	 * @returns {void}
	 */
	remove() {
		// cleanup parents
		for (const parentChunkGroup of this._parents) {
			// remove this chunk from its parents
			parentChunkGroup._children.delete(this);

			// cleanup "sub chunks"
			for (const chunkGroup of this._children) {
				/**
				 * remove this chunk as "intermediary" and connect
				 * it "sub chunks" and parents directly
				 */
				// add parent to each "sub chunk"
				chunkGroup.addParent(parentChunkGroup);
				// add "sub chunk" to parent
				parentChunkGroup.addChild(chunkGroup);
			}
		}

		/**
		 * we need to iterate again over the children
		 * to remove this from the child's parents.
		 * This can not be done in the above loop
		 * as it is not guaranteed that `this._parents` contains anything.
		 */
		for (const chunkGroup of this._children) {
			// remove this as parent of every "sub chunk"
			chunkGroup._parents.delete(this);
		}

		// remove chunks
		for (const chunk of this.chunks) {
			chunk.removeGroup(this);
		}
	}

	sortItems() {
		this.origins.sort(sortOrigin);