Files
flipper/static/transforms/fb-stubs.js
Andres Suarez 0675dd924d Tidy up Flipper license headers [1/2]
Reviewed By: passy

Differential Revision: D17863711

fbshipit-source-id: 259dc77826fb803ff1b88c88529d7f679d3b74d8
2019-10-11 13:46:45 -07:00

48 lines
1.4 KiB
JavaScript

/**
* 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.
*
* @format
*/
const fs = require('fs');
const path = require('path');
const replaceFBStubs = fs.existsSync(
path.join(__dirname, '..', '..', 'src', 'fb'),
);
const requireFromFolder = (folder, path) =>
new RegExp(folder + '/[A-Za-z0-9.-_]+(.js)?$', 'g').test(path);
module.exports = function(babel) {
return {
name: 'replace-dynamic-requires',
visitor: {
CallExpression(path) {
if (
replaceFBStubs &&
path.node.type === 'CallExpression' &&
path.node.callee.type === 'Identifier' &&
path.node.callee.name === 'require' &&
path.node.arguments.length > 0
) {
if (requireFromFolder('fb', path.node.arguments[0].value)) {
throw new Error(
'Do not require directly from fb/, but rather from fb-stubs/ to not break flow-typing and make sure stubs are up-to-date.',
);
} else if (
requireFromFolder('fb-stubs', path.node.arguments[0].value)
) {
path.node.arguments[0].value = path.node.arguments[0].value.replace(
'/fb-stubs/',
'/fb/',
);
}
}
},
},
};
};