Method slice

benchmark/data.js:635–670

(start = 0, end = this.original.length)

		return this.intro + lineStr;
	}
	slice(start = 0, end = this.original.length) {
		if (this.original.length !== 0) {
			while (start < 0) start += this.original.length;
			while (end < 0) end += this.original.length;
		}
		let result = '';
		let chunk = this.firstChunk;
		while (chunk && (chunk.start > start || chunk.end <= start)) {
			if (chunk.start < end && chunk.end >= end) {
				return result;
			}
			chunk = chunk.next;
		}
		if (chunk && chunk.edited && chunk.start !== start)
			throw new Error(`Cannot use replaced character ${start} as slice start anchor.`);
		const startChunk = chunk;
		while (chunk) {
			if (chunk.intro && (startChunk !== chunk || chunk.start === start)) {
				result += chunk.intro;
			}
			const containsEnd = chunk.start < end && chunk.end >= end;
			if (containsEnd && chunk.edited && chunk.end !== end)
				throw new Error(`Cannot use replaced character ${end} as slice end anchor.`);
			const sliceStart = startChunk === chunk ? start - chunk.start : 0;
			const sliceEnd = containsEnd ? chunk.content.length + end - chunk.end : chunk.content.length;
			result += chunk.content.slice(sliceStart, sliceEnd);
			if (chunk.outro && (!containsEnd || chunk.end === end)) {
				result += chunk.outro;
			}
			if (containsEnd) {
				break;
			}
			chunk = chunk.next;
		}
		return result;
	}
	snip(start, end) {
		const clone = this.clone();
		clone.remove(0, start);