twitst4tz

twitter statistics web application
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react.js (2209B)


      1 'use strict';
      2 
      3 // do not edit .js files directly - edit src/index.jst
      4 
      5 
      6   var envHasBigInt64Array = typeof BigInt64Array !== 'undefined';
      7 
      8 
      9 module.exports = function equal(a, b) {
     10   if (a === b) return true;
     11 
     12   if (a && b && typeof a == 'object' && typeof b == 'object') {
     13     if (a.constructor !== b.constructor) return false;
     14 
     15     var length, i, keys;
     16     if (Array.isArray(a)) {
     17       length = a.length;
     18       if (length != b.length) return false;
     19       for (i = length; i-- !== 0;)
     20         if (!equal(a[i], b[i])) return false;
     21       return true;
     22     }
     23 
     24 
     25     if ((a instanceof Map) && (b instanceof Map)) {
     26       if (a.size !== b.size) return false;
     27       for (i of a.entries())
     28         if (!b.has(i[0])) return false;
     29       for (i of a.entries())
     30         if (!equal(i[1], b.get(i[0]))) return false;
     31       return true;
     32     }
     33 
     34     if ((a instanceof Set) && (b instanceof Set)) {
     35       if (a.size !== b.size) return false;
     36       for (i of a.entries())
     37         if (!b.has(i[0])) return false;
     38       return true;
     39     }
     40 
     41     if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) {
     42       length = a.length;
     43       if (length != b.length) return false;
     44       for (i = length; i-- !== 0;)
     45         if (a[i] !== b[i]) return false;
     46       return true;
     47     }
     48 
     49 
     50     if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
     51     if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
     52     if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
     53 
     54     keys = Object.keys(a);
     55     length = keys.length;
     56     if (length !== Object.keys(b).length) return false;
     57 
     58     for (i = length; i-- !== 0;)
     59       if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
     60 
     61     for (i = length; i-- !== 0;) {
     62       var key = keys[i];
     63 
     64       if (key === '_owner' && a.$$typeof) {
     65         // React-specific: avoid traversing React elements' _owner.
     66         //  _owner contains circular references
     67         // and is not needed when comparing the actual elements (and not their owners)
     68         continue;
     69       }
     70 
     71       if (!equal(a[key], b[key])) return false;
     72     }
     73 
     74     return true;
     75   }
     76 
     77   // true if both NaN, false otherwise
     78   return a!==a && b!==b;
     79 };