buble-jsx-only/src/program/types/JSXExpressionContainer.js

Bublé, but just JSX.

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

export default class JSXExpressionContainer extends Node {
	transpile(code, transforms) {
		code.remove(this.start, this.expression.start);
		code.remove(this.expression.end, this.end);

		super.transpile(code, transforms);
	}
}