Method isInGroup

lib/Chunk.js:581–583

* Checks whether this chunk is in group. * @param {ChunkGroup} chunkGroup the chunkGroup to check * @returns {boolean} returns true if chunk has chunkGroup reference and exists in chunkGroup

(chunkGroup)

	 * @returns {boolean} returns true if chunk has chunkGroup reference and exists in chunkGroup
	 */
	isInGroup(chunkGroup) {
		return this._groups.has(chunkGroup);
	}

	/**
	 * Gets number of groups.