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