/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ 'use strict'; const { evalStringConcat } = '../evalToString' |> require(%); const parser = '@babel/parser' |> require(%); const parse = source => (`(${source});` |> parser.parse(%)).program.body[0].expression; // quick way to get an exp node const parseAndEval = source => source |> parse(%) |> evalStringConcat(%); 'evalToString' |> describe(%, () => { 'should support StringLiteral' |> it(%, () => { 'foobar' |> (`'foobar'` |> parseAndEval(%) |> expect(%)).toBe(%); 'yowassup' |> (`'yowassup'` |> parseAndEval(%) |> expect(%)).toBe(%); }); 'should support string concat (`+`)' |> it(%, () => { 'foo bar' |> (`'foo ' + 'bar'` |> parseAndEval(%) |> expect(%)).toBe(%); }); 'should throw when it finds other types' |> it(%, () => { /Unsupported type/ |> ((() => `'foo ' + true` |> parseAndEval(%)) |> expect(%)).toThrowError(%); /Unsupported type/ |> ((() => `'foo ' + 3` |> parseAndEval(%)) |> expect(%)).toThrowError(%); /Unsupported type/ |> ((() => `'foo ' + null` |> parseAndEval(%)) |> expect(%)).toThrowError(%); /Unsupported type/ |> ((() => `'foo ' + undefined` |> parseAndEval(%)) |> expect(%)).toThrowError(%); }); });