/
ReactFreshBabelPluginProd-test.js
46 lines (42 loc) · 1.17 KB
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ReactFreshBabelPluginProd-test.js
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/**
* Copyright (c) Facebook, Inc. and its 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';
let babel = require('@babel/core');
let {wrap} = require('jest-snapshot-serializer-raw');
let freshPlugin = require('react-refresh/babel');
function transform(input, options = {}) {
return wrap(
babel.transform(input, {
babelrc: false,
configFile: false,
plugins: [
'@babel/syntax-jsx',
'@babel/syntax-dynamic-import',
freshPlugin,
...(options.plugins || []),
],
}).code,
);
}
describe('ReactFreshBabelPlugin Prod', () => {
it('thorw error if environment is not development', () => {
let error;
try {
transform(`function Hello() {}`);
} catch (transformError) {
error = transformError;
}
expect(error).toEqual(
new Error(
'[BABEL] unknown: React Refresh Babel transform should only be enabled ' +
'in development environment. Instead, the environment is: "' +
process.env.NODE_ENV +
'". (While processing: "base$2")',
),
);
});
});