Method appendLeft

src/MagicString.js:60–79

(index, content)

	}

	appendLeft(index, content) {
		index = index + this.offset;

		if (typeof content !== 'string') throw new TypeError('inserted content must be a string');

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

		this._split(index);

		const chunk = this.byEnd[index];

		if (chunk) {
			chunk.appendLeft(content);
		} else {
			this.intro += content;
		}

		if (DEBUG) this.stats.timeEnd('appendLeft');
		return this;
	}

	appendRight(index, content) {
		index = index + this.offset;