Files
flipper/static/transforms/fb-stubs.js
Daniel Büchele fbbf8cf16b Initial commit 🎉
fbshipit-source-id: b6fc29740c6875d2e78953b8a7123890a67930f2
Co-authored-by: Sebastian McKenzie <sebmck@fb.com>
Co-authored-by: John Knox <jknox@fb.com>
Co-authored-by: Emil Sjölander <emilsj@fb.com>
Co-authored-by: Pritesh Nandgaonkar <prit91@fb.com>
2018-06-01 11:03:58 +01:00

46 lines
1.3 KiB
JavaScript

/**
* Copyright 2018-present Facebook.
* 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 requrie directly from fb/, but rather from fb-stubs/ to not break flow-typing and make sure stubs are uptodate.',
);
} else if (
requireFromFolder('fb-stubs', path.node.arguments[0].value)
) {
path.node.arguments[0].value = path.node.arguments[0].value.replace(
'/fb-stubs/',
'/fb/',
);
}
}
},
},
};
};