isa-lib - npm Package Compare versions

Comparing version 0.0.4 to 0.0.5

lib/isA.js

@@ -15,3 +15,3 @@ /**
  * in all copies or substantial portions of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
@@ -25,3 +25,3 @@ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  *
- * isA.js 
+ * isA.js
  *
@@ -34,3 +34,3 @@ * Reusable node.js/browser JavaScript library that exposes some isXXX() type
  * If this library is included in a browser via a script tag, all of it's
- * components will be placed in the window scope. 
+ * components will be placed in the window scope.
  *
@@ -50,3 +50,3 @@ * If this library is require()'ed in node.js, it will return a function that
  * @author Gabriel Harrison (nyteshade AT gmail.com)
- * @version 0.0.4
+ * @version 0.0.5
  */
@@ -56,7 +56,21 @@ (function() {
 
-  var hasExports = typeof(exports) != 'undefined',
-      namespace = hasExports ? exports :
-          (typeof (window) != 'undefined') ? window :
-          (typeof (global) != 'undefined') ? global : null;
+  function exists(variableName) {
+    var result;
+    try { result = eval('(' + variableName + ')'); }
+    catch (e) {
+      result = undefined;
+    }
+    return result;
+  }
 
+  var myExports = exists('exports'),
+      myModule = exists('module'),
+      myWindow = exists('window'),
+      myGlobal = exists('global'),
+      hasExports = myExports !== undefined,
+      namespace = hasExports ? myExports :
+          (myWindow !== undefined) ? myWindow :
+          (myGlobal !== undefined) ? myGlobal : null,
+      library, i, backRef;
+
   if (!namespace) {
@@ -67,3 +81,5 @@ console.error('Cannot locate place to export library to!');
 
-  var library = (function(exports) {
+  library = (function(exports) {
+    var _t, _t2, _count = 0, _unique = 0, _questionable = [], unique;
+
     /**
@@ -93,3 +109,3 @@ * Declare an array of Strings reported by the JavaScript VM to be the
      * instances of the type for comparison. */
-    var backRef = exports.IS_A_BACKREF = [
+    backRef = exports.IS_A_BACKREF = [
       undefined, exports.IS_A.UNDEFINED,
@@ -109,3 +125,3 @@ Function, exports.IS_A.FUNCTION,
       backRef.indexOf = function(obj) {
-        for (var i = 0; i < backRef.length; i++) {
+        for (i = 0; i < backRef.length; i++) {
           if (backRef[i] === obj) {
@@ -122,3 +138,5 @@ return i;
       var pos = this.indexOf(baseConstructor);
-      if (pos === -1) { return Object.prototype.toString.call(baseConstructor); }
+      if (pos === -1) {
+        return Object.prototype.toString.call(baseConstructor);
+      }
       return this[pos + 1];
@@ -129,6 +147,5 @@ };
      * measure the accuracy of our comparison "constants" */
-    var _t, _t2, _count = 0, _unique = 0, _questionable = [];
     for (_t in exports.IS_A) {
       if (exports.IS_A.hasOwnProperty(_t)) {
-        var unique = true;
+        unique = true;
         for (_t2 in exports.IS_A) {
@@ -145,4 +162,4 @@ if (exports.IS_A.hasOwnProperty(_t2)) {
         if (unique) { _unique++; }
+        _count++;
       }
-      _count++;
     }
@@ -161,3 +178,3 @@
       console.warn('IS_A dictionary reported non-unique value pairs: ',
-        exports.IS_A_QUESTIONABLE);
+          exports.IS_A_QUESTIONABLE);
     }
@@ -171,11 +188,13 @@
     exports.isA = function(type, object) {
+      var result, typeString;
       if (arguments.length === 1) {
-        return Object.prototype.toString.call(type)
+        result = Object.prototype.toString.call(type);
       }
       else {
-        var typeString = Object.prototype.toString.call(object);
-        return typeString === type
+        typeString = Object.prototype.toString.call(object);
+        result = typeString === type
             || typeString === exports.IS_A[type]
             || typeString === backRef.matchingType(type);
       }
+      return result;
     };
@@ -301,6 +320,8 @@
     exports.INJECT_IS_A_LIB = function(destinationScope) {
+      var property;
+
       if (destinationScope === null || destinationScope === undefined) {
         throw new Error("Cannot locate destination scope to install to.");
       }
-      for (var property in exports) {
+      for (property in exports) {
         if (exports.hasOwnProperty(property)) {
@@ -314,16 +335,18 @@ destinationScope[property] = exports[property];
     return exports;
-  })({});
+  }({}));
 
-  if (hasExports && typeof module !== 'undefined') {
-    module.exports = function(destination) {
+  if (hasExports && myModule !== undefined) {
+    myModule.exports = function(destination) {
+      var result;
       if (!destination) {
-        return library;
+        result = library;
       }
       else {
-        return library.INJECT_IS_A_LIB(destination);
+        result = library.INJECT_IS_A_LIB(destination);
       }
+      return result;
     };
   }
-  else if (typeof window !== 'undefined') {
-    library.INJECT_IS_A_LIB(window);
+  else if (myWindow !== undefined) {
+    library.INJECT_IS_A_LIB(myWindow);
   }
@@ -333,4 +356,17 @@ else {
   }
-})();
+}());
 
-/*jslint browser:true,indent:2,node:true*/
+/** JSLint Hinting */
+/*properties
+ ARRAY, BOOLEAN, ERROR, FUNCTION, INJECT_IS_A_LIB, IS_A, IS_A_ACCURACY,
+ IS_A_BACKREF, IS_A_QUESTIONABLE, NULL, NUMBER, OBJECT, REGEXP, STRING,
+ UNDEFINED, call, error, exports, hasOwnProperty, indexOf, isA, isArray,
+ isBoolean, isError, isFunction, isNull, isNumber, isObject, isRegExp,
+ isString, isUndefined, length, matchingType, prototype, push, toString,
+ warn
+ */
+/*jslint
+ browser: true, devel: true, node: true, continue: true, evil: true,
+ nomen: true, plusplus: true, unparam: true, white: true, indent: 2,
+ maxlen: 80
+ */

package.json

@@ -5,3 +5,3 @@ {
   "description": "Reusable Object.prototype.toString type checking library",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "repository": {
@@ -8,0 +8,0 @@ "url": "https://github.com/nyteshade/isA.git"

No alert changes

Improved metrics

Total package byte prevSize

16501

increased by6.2%

Lines of code

330

increased by11.11%

No dependency changes