@gerhobbelt/mathjax-third-party-extensions/legacy/siunitx/node_modules/underscore.string/truncate.js

A list of MathJax extensions provided by third-party contributors

var makeString = require('./helper/makeString');

module.exports = function truncate(str, length, truncateStr) {
  str = makeString(str);
  truncateStr = truncateStr || '...';
  length = ~~length;
  return str.length > length ? str.slice(0, length) + truncateStr : str;
};