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