react-native/babel-preset/lib/resolvePlugins.js

43 lines
1.2 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*/
'use strict';
/**
* Manually resolve all default Babel plugins.
* `babel.transform` will attempt to resolve all base plugins relative to
* the file it's compiling. This makes sure that we're using the plugins
* installed in the react-native package.
*/
function resolvePlugins(plugins, prefix) {
return plugins.map(plugin => resolvePlugin(plugin, prefix));
}
/**
* Manually resolve a single Babel plugin.
*/
function resolvePlugin(plugin, prefix = '@babel/plugin-') {
// Normalise plugin to an array.
if (!Array.isArray(plugin)) {
plugin = [plugin];
}
// Only resolve the plugin if it's a string reference.
if (typeof plugin[0] === 'string') {
plugin[0] = require(prefix + plugin[0]);
plugin[0] = plugin[0].__esModule ? plugin[0].default : plugin[0];
}
return plugin;
}
module.exports = resolvePlugins;
module.exports.resolvePlugin = resolvePlugin;
module.exports.resolvePluginAs = (prefix, plugin) =>
resolvePlugin(plugin, prefix);
module.exports.resolvePluginsAs = (prefix, plugins) =>
resolvePlugins(plugins, prefix);