Method _splitChunk

benchmark/data.js:686–700

(chunk, index)

		}
	}
	_splitChunk(chunk, index) {
		if (chunk.edited && chunk.content.length) {
			const loc = getLocator(this.original)(index);
			throw new Error(
				`Cannot split a chunk that has already been edited (${loc.line}:${loc.column} \u2013 "${chunk.original}")`,
			);
		}
		const newChunk = chunk.split(index);
		this.byEnd[index] = chunk;
		this.byStart[index] = newChunk;
		this.byEnd[newChunk.end] = newChunk;
		if (chunk === this.lastChunk) this.lastChunk = newChunk;
		this.lastSearchedChunk = chunk;
		return true;
	}
	toString() {
		let str = this.intro;
		let chunk = this.firstChunk;