import codeFrame from "babel-code-frame"; describe('babel-code-frame', () => { it('frames given code', () => { const code = ` const number = 1; var string = 'foo'; function print(name: string) { console.log(string + name); } `; codeFrame(code, 5, 22); codeFrame(code, 5, 22, { forceColor: true }); codeFrame(code, 2, 2, { highlightCode: true }); }); });