traverson/browser/lib/shim/underscore-string-reduced.js

Hypermedia API/HATEOAS client for Node.js and the browser

'use strict';

/*
 * Copied from underscore.string module. Just the functions we need, to reduce
 * the browserified size.
 */

var _s = {
  startsWith: function(str, starts) {
    if (starts === '') return true;
    if (str == null || starts == null) return false;
    str = String(str); starts = String(starts);
    return str.length >= starts.length && str.slice(0, starts.length) === starts;
  },

  endsWith: function(str, ends){
    if (ends === '') return true;
    if (str == null || ends == null) return false;
    str = String(str); ends = String(ends);
    return str.length >= ends.length &&
      str.slice(str.length - ends.length) === ends;
  },

  splice: function(str, i, howmany, substr){
    var arr = _s.chars(str);
    arr.splice(~~i, ~~howmany, substr);
    return arr.join('');
  },

  contains: function(str, needle){
    if (needle === '') return true;
    if (str == null) return false;
    return String(str).indexOf(needle) !== -1;
  },

  chars: function(str) {
    if (str == null) return [];
    return String(str).split('');
  }
};

module.exports = _s;