@philpl/buble/src/program/types/MemberExpression.js

The blazing fast, batteries-included ES2015 compiler

import Node from '../Node.js';
import reserved from '../../utils/reserved.js';

export default class MemberExpression extends Node {
	transpile(code, transforms) {
		if (transforms.reservedProperties && reserved[this.property.name]) {
			code.overwrite(this.object.end, this.property.start, `['`);
			code.appendLeft(this.property.end, `']`);
		}

		super.transpile(code, transforms);
	}
}