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33 lines
725 B
33 lines
725 B
/**
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* @author Titus Wormer
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* @copyright 2016 Titus Wormer
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* @license MIT
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* @module is-whitespace-character
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* @fileoverview Check if a character is a whitespace character.
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*/
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'use strict';
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/* eslint-env commonjs */
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/* Expose. */
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module.exports = whitespace;
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/* Methods. */
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var fromCode = String.fromCharCode;
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/* Constants. */
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var re = /\s/;
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/**
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* Check whether the given character code, or the character
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* code at the first character, is a whitespace character.
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*
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* @param {string|number} character
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* @return {boolean} - Whether `character` is a whitespaces character.
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*/
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function whitespace(character) {
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return re.test(
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typeof character === 'number' ? fromCode(character) : character.charAt(0)
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);
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}
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