Method isEmpty

benchmark/data.js:710–721

()

		return str + this.outro;
	}
	isEmpty() {
		let chunk = this.firstChunk;
		do {
			if (
				(chunk.intro.length && chunk.intro.trim()) ||
				(chunk.content.length && chunk.content.trim()) ||
				(chunk.outro.length && chunk.outro.trim())
			)
				return false;
		} while ((chunk = chunk.next));
		return true;
	}
	length() {
		let chunk = this.firstChunk;
		let length = 0;