0675dd924d
Reviewed By: passy Differential Revision: D17863711 fbshipit-source-id: 259dc77826fb803ff1b88c88529d7f679d3b74d8
73 lines
2.2 KiB
JavaScript
73 lines
2.2 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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import {parse} from '@babel/parser';
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import {transformFromAstSync} from '@babel/core';
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import generate from '@babel/generator';
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import flipperRequires from '../flipper-requires';
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const babelOptions = {
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ast: true,
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plugins: [flipperRequires],
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filename: 'index.js',
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};
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test('transform react requires to global object', () => {
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const src = 'require("react")';
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const ast = parse(src);
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const transformed = transformFromAstSync(ast, src, babelOptions).ast;
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const {code} = generate(transformed);
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expect(code).toBe('global.React;');
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});
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test('transform react-dom requires to global object', () => {
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const src = 'require("react-dom")';
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const ast = parse(src);
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const transformed = transformFromAstSync(ast, src, babelOptions).ast;
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const {code} = generate(transformed);
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expect(code).toBe('global.ReactDOM;');
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});
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test('transform flipper requires to global object', () => {
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const src = 'require("flipper")';
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const ast = parse(src);
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const transformed = transformFromAstSync(ast, src, babelOptions).ast;
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const {code} = generate(transformed);
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expect(code).toBe('global.Flipper;');
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});
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test('transform React identifier to global.React', () => {
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const src = 'React;';
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const ast = parse(src);
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const transformed = transformFromAstSync(ast, src, babelOptions).ast;
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const {code} = generate(transformed);
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expect(code).toBe('global.React;');
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});
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test.skip('throw error when requiring outside the plugin', () => {
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const src = 'require("../test.js")';
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const ast = parse(src);
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expect(() => {
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transformFromAstSync(ast, src, babelOptions);
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}).toThrow();
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});
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test('allow requiring from parent folder as long as we stay in plugin folder', () => {
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const src = 'require("../test.js")';
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const ast = parse(src);
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const transformed = transformFromAstSync(ast, src, {
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...babelOptions,
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root: '/path/to/plugin',
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filename: '/path/to/plugin/subfolder/index.js',
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}).ast;
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const {code} = generate(transformed);
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expect(code).toBe('require("../test.js");');
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});
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