47 lines
1.0 KiB
JavaScript
47 lines
1.0 KiB
JavaScript
/*!
|
|
* 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;
|
|
}
|