react-native/babel-preset/transforms/transform-dynamic-import.js

33 lines
813 B
JavaScript

/**
* Copyright (c) 2016-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
const template = require('babel-template');
const buildImport = template('Promise.resolve().then(() => require(ARGS))');
const TYPE_IMPORT = 'Import';
const plugin = {
inherits: require('babel-plugin-syntax-dynamic-import'),
visitor: {
CallExpression(path) {
if (path.node.callee.type !== TYPE_IMPORT) {
return;
}
const newImport = buildImport({ARGS: path.node.arguments});
path.replaceWith(newImport);
},
},
};
module.exports = plugin;