Method _split

src/MagicString.js:661–680

(index)

	}

	_split(index) {
		if (this.byStart[index] || this.byEnd[index]) return;

		if (DEBUG) this.stats.time('_split');

		let chunk = this.lastSearchedChunk;
		let previousChunk = chunk;
		const searchForward = index > chunk.end;

		while (chunk) {
			if (chunk.contains(index)) return this._splitChunk(chunk, index);

			chunk = searchForward ? this.byStart[chunk.end] : this.byEnd[chunk.start];

			// Prevent infinite loop (e.g. via empty chunks, where start === end)
			if (chunk === previousChunk) return;

			previousChunk = chunk;
		}
	}

	_splitChunk(chunk, index) {
		if (chunk.edited && chunk.content.length) {