react/addons/postbuild.js
2017-09-25 17:02:43 -07:00

72 lines
2.0 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.
*
* @emails react-core
*/
'use strict';
var fs = require('fs');
var path = require('path');
// This lets us import Webpack config without crashing
process.env.NODE_ENV = 'development';
// This script runs from the addon folder
var exportName = require(path.resolve(process.cwd(), './webpack.config')).output
.library;
var packageName = path.basename(process.cwd());
if (packageName.indexOf('react-addons') !== 0) {
throw new Error(
'Only run this script for packages that used to be published as addons.'
);
}
// Inputs
// DEV: root["exportName"] = factory(root["React"])
// PROD: e.exportName=t(e.React)
var find = new RegExp(
'((?!exports)\\b\\w+)(\\["' +
exportName +
'"\\]|\\.' +
exportName +
')\\s*=\\s*(\\w+)\\((.*)\\)'
);
// Outputs
// DEV: (root.React ? (root.React.addons = root.React.addons || {}) : /* throw */).exportName = factory(/* ... */);
// PROD: (e.React ? (e.React.addons = e.React.addons || {}) : /* throw */).exportName = t(/* ... */)
var throwIIFE = [
'(function(){',
'throw new Error("' +
packageName +
' could not find the React object. If you are using script tags, make sure that React is being loaded before ' +
packageName +
'.")',
'})()'
].join('');
var replace =
'($1.React?($1.React.addons=$1.React.addons||{}):' +
throwIIFE +
').' +
exportName +
'=$3($4)';
console.log('Tweaking the development UMD...');
var devUMD = fs.readFileSync('./' + packageName + '.js', 'utf8').toString();
devUMD = devUMD.replace(find, replace);
fs.writeFileSync('./' + packageName + '.js', devUMD);
console.log('Tweaking the production UMD...');
var prodUMD = fs
.readFileSync('./' + packageName + '.min.js', 'utf8')
.toString();
prodUMD = prodUMD.replace(find, replace);
fs.writeFileSync('./' + packageName + '.min.js', prodUMD);
console.log('Done.');
console.log('Note that you need to manually test the UMD builds.');