Function objEquiv

docs/lib/ReactRouter.js:4445–4496

(a, b, opts)

	}

	function objEquiv(a, b, opts) {
	  var i, key;
	  if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
	    return false;
	  // an identical 'prototype' property.
	  if (a.prototype !== b.prototype) return false;
	  //~~~I've managed to break Object.keys through screwy arguments passing.
	  //   Converting to array solves the problem.
	  if (isArguments(a)) {
	    if (!isArguments(b)) {
	      return false;
	    }
	    a = pSlice.call(a);
	    b = pSlice.call(b);
	    return deepEqual(a, b, opts);
	  }
	  if (isBuffer(a)) {
	    if (!isBuffer(b)) {
	      return false;
	    }
	    if (a.length !== b.length) return false;
	    for (i = 0; i < a.length; i++) {
	      if (a[i] !== b[i]) return false;
	    }
	    return true;
	  }
	  try {
	    var ka = objectKeys(a),
	        kb = objectKeys(b);
	  } catch (e) {//happens when one is a string literal and the other isn't
	    return false;
	  }
	  // having the same number of owned properties (keys incorporates
	  // hasOwnProperty)
	  if (ka.length != kb.length)
	    return false;
	  //the same set of keys (although not necessarily the same order),
	  ka.sort();
	  kb.sort();
	  //~~~cheap key test
	  for (i = ka.length - 1; i >= 0; i--) {
	    if (ka[i] != kb[i])
	      return false;
	  }
	  //equivalent values for every corresponding key, and
	  //~~~possibly expensive deep test
	  for (i = ka.length - 1; i >= 0; i--) {
	    key = ka[i];
	    if (!deepEqual(a[key], b[key], opts)) return false;
	  }
	  return typeof a === typeof b;
	}


/***/ },