metro/packages/metro-bundler/src/blacklist.js

51 lines
1.3 KiB
JavaScript

/**
* Copyright (c) 2015-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.
*
* @format
*/
'use strict';
var path = require('path');
// Don't forget to everything listed here to `package.json`
// modulePathIgnorePatterns.
var sharedBlacklist = [
/node_modules[/\\]react[/\\]dist[/\\].*/,
/website\/node_modules\/.*/,
/heapCapture\/bundle\.js/,
/.*\/__tests__\/.*/,
];
function escapeRegExp(pattern) {
if (Object.prototype.toString.call(pattern) === '[object RegExp]') {
return pattern.source.replace(/\//g, path.sep);
} else if (typeof pattern === 'string') {
var escaped = pattern.replace(/[\-\[\]\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
// convert the '/' into an escaped local file separator
return escaped.replace(/\//g, '\\' + path.sep);
} else {
throw new Error('Unexpected blacklist pattern: ' + pattern);
}
}
function blacklist(additionalBlacklist) {
return new RegExp(
'(' +
(additionalBlacklist || [])
.concat(sharedBlacklist)
.map(escapeRegExp)
.join('|') +
')$',
);
}
module.exports = blacklist;