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590 BJavaScriptView Raw
1import toString from './toString.js';
2
3/**
4 * Converts `string`, as a whole, to upper case just like
5 * [String#toUpperCase](https://mdn.io/toUpperCase).
6 *
7 * @static
8 * @memberOf _
9 * @since 4.0.0
10 * @category String
11 * @param {string} [string=''] The string to convert.
12 * @returns {string} Returns the upper cased string.
13 * @example
14 *
15 * _.toUpper('--foo-bar--');
16 * // => '--FOO-BAR--'
17 *
18 * _.toUpper('fooBar');
19 * // => 'FOOBAR'
20 *
21 * _.toUpper('__foo_bar__');
22 * // => '__FOO_BAR__'
23 */
24function toUpper(value) {
25 return toString(value).toUpperCase();
26}
27
28export default toUpper;