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Ahto Library

My library used my other scripts.

当前为 2015-07-12 提交的版本，查看 最新版本。

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.cn-greasyfork.org/scripts/10922/61510/Ahto%20Library.js 

  1. // Generated by CoffeeScript 1.9.3
  2. var findMatches, randInt, safeInterval, safeParseInt, stringHashCode;
  3.  
  4. findMatches = function(selector, min, max) {
  5.   var matches, ref;
  6.   if (min == null) {
  7.     min = 1;
  8.   }
  9.   if (max == null) {
  10.     max = Infinity;
  11.   }
  12.   matches = $(selector);
  13.   if ((min <= (ref = matches.length) && ref <= max)) {
  14.     return matches;
  15.   } else {
  16.     throw Error(matches.length + " matches (expected " + min + "-" + max + ") found for selector: " + selector);
  17.   }
  18. };
  19.  
  20. safeParseInt = function(s) {
  21.   var n;
  22.   n = parseInt(s);
  23.   if (isNaN(s)) {
  24.     throw new Error("Unable to parse int from \"" + s + "\"");
  25.   } else {
  26.     return n;
  27.   }
  28. };
  29.  
  30. safeInterval = function(func, wait, times) {
  31.   var interv;
  32.   interv = (function(w, t) {
  33.     return (function() {
  34.       var e;
  35.       if ((t == null) || t-- > 0) {
  36.         setTimeout(interv, w);
  37.         try {
  38.           return func.call(null);
  39.         } catch (_error) {
  40.           e = _error;
  41.           t = 0;
  42.           throw e.toString();
  43.         }
  44.       }
  45.     });
  46.   })(wait, times);
  47.   return setTimeout(interv, wait);
  48. };
  49.  
  50. stringHashCode = function(s) {
  51.   var chr, hash, i, j, len;
  52.   hash = 0;
  53.   for (j = 0, len = s.length; j < len; j++) {
  54.     i = s[j];
  55.     chr = i.charCodeAt(0);
  56.     hash = ((hash << 5) - hash) + chr;
  57.     hash |= 0;
  58.   }
  59.   return hash;
  60. };
  61.  
  62. randInt = function(min, max) {
  63.   return min + Math.floor(Math.random() * (max + 1 - min));
  64. };