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- /*!
- * word-wrap <https://github.com/jonschlinkert/word-wrap>
- *
- * Copyright (c) 2014-2017, Jon Schlinkert.
- * Released under the MIT License.
- */
-
- module.exports = function(str, options) {
- options = options || {};
- if (str == null) {
- return str;
- }
-
- var width = options.width || 50;
- var indent = (typeof options.indent === 'string')
- ? options.indent
- : ' ';
-
- var newline = options.newline || '\n' + indent;
- var escape = typeof options.escape === 'function'
- ? options.escape
- : identity;
-
- var regexString = '.{1,' + width + '}';
- if (options.cut !== true) {
- regexString += '([\\s\u200B]+|$)|[^\\s\u200B]+?([\\s\u200B]+|$)';
- }
-
- var re = new RegExp(regexString, 'g');
- var lines = str.match(re) || [];
- var result = indent + lines.map(function(line) {
- if (line.slice(-1) === '\n') {
- line = line.slice(0, line.length - 1);
- }
- return escape(line);
- }).join(newline);
-
- if (options.trim === true) {
- result = result.replace(/[ \t]*$/gm, '');
- }
- return result;
- };
-
- function identity(str) {
- return str;
- }
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