2 * pascalcase <https://github.com/jonschlinkert/pascalcase>
4 * Copyright (c) 2015, Jon Schlinkert.
5 * Licensed under the MIT License.
8 function pascalcase(str) {
9 if (typeof str !== 'string') {
10 throw new TypeError('expected a string.');
12 str = str.replace(/([A-Z])/g, ' $1');
13 if (str.length === 1) { return str.toUpperCase(); }
14 str = str.replace(/^[\W_]+|[\W_]+$/g, '').toLowerCase();
15 str = str.charAt(0).toUpperCase() + str.slice(1);
16 return str.replace(/[\W_]+(\w|$)/g, function (_, ch) {
17 return ch.toUpperCase();
21 module.exports = pascalcase;