Class Chunk

benchmark/data.js:13–131

	}
}
class Chunk {
	constructor(start, end, content) {
		this.start = start;
		this.end = end;
		this.original = content;
		this.intro = '';
		this.outro = '';
		this.content = content;
		this.storeName = false;
		this.edited = false;
		Object.defineProperties(this, {
			previous: { writable: true, value: null },
			next: { writable: true, value: null },
		});
	}
	appendLeft(content) {
		this.outro += content;
	}
	appendRight(content) {
		this.intro = this.intro + content;
	}
	clone() {
		const chunk = new Chunk(this.start, this.end, this.original);
		chunk.intro = this.intro;
		chunk.outro = this.outro;
		chunk.content = this.content;
		chunk.storeName = this.storeName;
		chunk.edited = this.edited;
		return chunk;
	}
	contains(index) {
		return this.start < index && index < this.end;
	}
	eachNext(fn) {
		let chunk = this;
		while (chunk) {
			fn(chunk);
			chunk = chunk.next;
		}
	}
	eachPrevious(fn) {
		let chunk = this;
		while (chunk) {
			fn(chunk);
			chunk = chunk.previous;
		}
	}
	edit(content, storeName, contentOnly) {
		this.content = content;
		if (!contentOnly) {
			this.intro = '';
			this.outro = '';
		}
		this.storeName = storeName;
		this.edited = true;
		return this;
	}
	prependLeft(content) {