oow - npm Package Compare versions

Comparing version 1.3.1 to 1.4.0

oow.js

@@ -1,25 +0,53 @@
-const Collection = {
-  isEmpty() { return this.length === 0; },
-  notEmpty() { return !this.isEmpty(); },
-  first() { return this[0]; },
-  last() { return this[this.length-1]; },
-  any(predicate) {
-    for (let elem in this)
-      if (predicate(this[elem])) return true;
-    return false;
-  },
-  all(predicate) {
-    return !this.any(elem => !predicate(elem));
-  }
-};
-
-// ideal implementation, not recommended
-//Object.setPrototypeOf(Array.prototype, Collection);
-//Object.setPrototypeOf(String.prototype, Collection);
-
-// implementation w/o changing prototypes hierarchy
-Object.keys(Collection).forEach(function (methodName) {
-  [Array.prototype, String.prototype].forEach(function (proto) {
-    Object.defineProperty(proto, methodName, { value: Collection[methodName] });
+(function () {
+  const Collection = {
+    isEmpty() { return this.length === 0; },
+    notEmpty() { return !this.isEmpty(); },
+    first() { return this[0]; },
+    last() { return this[this.length-1]; },
+    any(predicate) {
+      for (let elem in this)
+        if (predicate(this[elem])) return true;
+      return false;
+    },
+    all(predicate) {
+      return !this.any(elem => !predicate(elem));
+    },
+    take(n) { return this.slice(0, n); },
+    drop(n) { return this.slice(n, this.length); }
+  };
+  
+  const ArrayExtensions = {
+    equals(array) {
+      if (!array) return false;
+      if (this.length !== array.length) return false;
+      
+      for (let i = 0, l=this.length; i < l; i++) {
+        if (this[i] instanceof Array && array[i] instanceof Array) {
+          if (!this[i].equals(array[i])) return false;
+        }
+        else if (this[i] !== array[i]) {
+          return false;
+        }
+      }
+      return true;
+    }
+  };
+  
+  let eachExtensionOf = function(extension, block) {
+    Object.keys(extension).forEach(block)
+  };
+  
+  let extend = function(proto, extension, methodName) {
+    Object.defineProperty(proto, methodName, { value: extension[methodName] });
+  };
+  
+  eachExtensionOf(Collection, function (methodName) {
+    [Array.prototype, String.prototype].forEach(function (proto) {
+      extend(proto, Collection, methodName);
+    });
   });
-});
+  
+  eachExtensionOf(ArrayExtensions, function (methodName) {
+    extend(Array.prototype, ArrayExtensions, methodName);
+  });
+})();

package.json

 {
   "name": "oow",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "description": "Extension methods that should exist in JS core by default",
@@ -5,0 +5,0 @@ "homepage": "https://github.com/ngarbezza/oow",

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Improved metrics

Total package byte prevSize

3112

increased by30.37%

Lines of code

47

increased by104.35%

No dependency changes