functional.js - npm Package Compare versions

Comparing version 0.1.7 to 0.1.8-1

functional.js

 var λ = (function () {
     var λ = {};
 
+    var sliceArgs = function (args) {
+        return args.length > 0 ? [].slice.call(args, 0) : [];
+    };
+
     λ.curry = function (func) {
@@ -9,3 +13,3 @@ if (!func || typeof (func) !== "function") {
         return function inner() {
-            var _args = arguments.length >= 1 ? [].slice.call(arguments, 0) : [];
+            var _args = sliceArgs(arguments);
             if (_args.length === func.length) {
@@ -18,3 +22,3 @@ return func.apply(null, _args);
                 return function() {
-                    var args = arguments.length >= 1 ? [].slice.call(arguments, 0) : [];
+                    var args = sliceArgs(arguments);
                     return inner.apply(null, _args.concat(args));
@@ -96,3 +100,3 @@ };
         });
-        funcs = arguments.length >= 1 ? [].slice.call(arguments, 0) : [];
+        funcs = sliceArgs(arguments);
         if (hasInvalid(funcs)) {
@@ -111,2 +115,16 @@ throw "λ Error: Invalid function to compose";
 
+    λ.partition = λ.curry(function (iterator, items) {
+        var truthy = [], 
+            falsy = [],
+            partitionEach;
+        if (typeof (iterator) !== "function") {
+            throw "λ Error: Invalid function";
+        }
+        partitionEach = λ.each(function (item) {
+            (iterator.call(null, item) ? truthy : falsy).push(item);
+        });
+        partitionEach(items);
+        return [truthy, falsy];
+    });
+
     return λ;
@@ -113,0 +131,0 @@ })();

functional.min.js

 /*!
-    functional.js (v0.1.7) 14-08-2013
+    functional.js (v0.1.8) 23-08-2013
     (c) Lee Crossley <[e-mail]> (http://ilee.co.uk/)
 */
-var λ=function(){var a={};return a.curry=function(b){if(!b||"function"!=typeof b)throw"λ Error: No function to curry";return function c(){var d=arguments.length>=1?[].slice.call(arguments,0):[];if(d.length===b.length)return b.apply(null,d);if(d.length>b.length){var e=b.apply(null,d);return a.reduce(b,e,d.slice(b.length))}return function(){var a=arguments.length>=1?[].slice.call(arguments,0):[];return c.apply(null,d.concat(a))}}},a.each=a.curry(function(a,b){if(b&&"function"==typeof a)for(var c=0;c<b.length;c++)a(b[c])}),a.map=a.curry(function(b,c){var d,e=[];if(c&&"function"==typeof b)return d=a.each(function(){e.push(b.apply(null,arguments))}),d(c),e}),a.reduce=a.reducel=a.curry(function(b,c,d){var e,f=c;if(d&&"function"==typeof b)return e=a.each(function(a){f=b.call(null,f,a)}),e(d),f}),a.any=a.curry(function(b,c){var d,e=!1;if("function"!=typeof b)throw"λ Error: Invalid function";return d=a.each(function(a){return b.call(null,a)?(e=!0,void 0):void 0}),d(c),e}),a.select=a.curry(function(b,c){var d,e=[];if("function"!=typeof b)throw"λ Error: Invalid function";return d=a.each(function(a){b.call(null,a)&&e.push(a)}),d(c),e}),a.compose=function(b){var c=a.any(function(a){return"function"!=typeof a});if(b=arguments.length>=1?[].slice.call(arguments,0):[],c(b))throw"λ Error: Invalid function to compose";return function(){var c=arguments,d=a.each(function(a){c=[a.apply(null,c)]});return d(b.reverse()),c[0]}},a}();"undefined"!=typeof exports&&("undefined"!=typeof module&&module.exports&&(exports=module.exports=λ),exports.λ=λ);
+var λ=function(){var a={},b=function(a){return a.length>0?[].slice.call(a,0):[]};return a.curry=function(c){if(!c||"function"!=typeof c)throw"λ Error: No function to curry";return function d(){var e=b(arguments);if(e.length===c.length)return c.apply(null,e);if(e.length>c.length){var f=c.apply(null,e);return a.reduce(c,f,e.slice(c.length))}return function(){var a=b(arguments);return d.apply(null,e.concat(a))}}},a.each=a.curry(function(a,b){if(b&&"function"==typeof a)for(var c=0;c<b.length;c++)a(b[c])}),a.map=a.curry(function(b,c){var d,e=[];if(c&&"function"==typeof b)return d=a.each(function(){e.push(b.apply(null,arguments))}),d(c),e}),a.reduce=a.reducel=a.curry(function(b,c,d){var e,f=c;if(d&&"function"==typeof b)return e=a.each(function(a){f=b.call(null,f,a)}),e(d),f}),a.any=a.curry(function(b,c){var d,e=!1;if("function"!=typeof b)throw"λ Error: Invalid function";return d=a.each(function(a){return b.call(null,a)?(e=!0,void 0):void 0}),d(c),e}),a.select=a.curry(function(b,c){var d,e=[];if("function"!=typeof b)throw"λ Error: Invalid function";return d=a.each(function(a){b.call(null,a)&&e.push(a)}),d(c),e}),a.compose=function(c){var d=a.any(function(a){return"function"!=typeof a});if(c=b(arguments),d(c))throw"λ Error: Invalid function to compose";return function(){var b=arguments,d=a.each(function(a){b=[a.apply(null,b)]});return d(c.reverse()),b[0]}},a.partition=a.curry(function(b,c){var d,e=[],f=[];if("function"!=typeof b)throw"λ Error: Invalid function";return d=a.each(function(a){(b.call(null,a)?e:f).push(a)}),d(c),[e,f]}),a}();"undefined"!=typeof exports&&("undefined"!=typeof module&&module.exports&&(exports=module.exports=λ),exports.λ=λ);

package.json

@@ -5,3 +5,4 @@ {
     "description": "functional.js is (go on, guess) a functional js library. It facilitates currying and point-free / tacit programming in JavaScript. Minified version here: http://bit.ly/funcmin",
-    "version": "0.1.7",
+    "homepage": "http://ilee.co.uk",
+    "version": "0.1.8-1",
     "main": "functional.min.js",
@@ -8,0 +9,0 @@ "keywords": [

readme.md

@@ -5,4 +5,23 @@ # functional.js (λ) [![Build Status](https://travis-ci.org/leecrossley/functional-js.png?branch=master)](https://travis-ci.org/leecrossley/functional-js) [![devDependency Status](https://david-dm.org/leecrossley/functional-js/dev-status.png)](https://david-dm.org/leecrossley/functional-js#info=devDependencies)
 
-Grab the minified version [here](http://bit.ly/funcmin).
 
+## Getting started
+
+### Using npm
+
+```
+npm install functional.js
+```
+
+To then include functional.min.js in your app:
+
+```
+var λ = require("functional.js");
+```
+
+### Direct dependency
+
+Download the minified version [here](http://bit.ly/funcmin), reference the js file and λ will become a global variable.
+
+## Examples
+
 ### Basic λ.curry example
@@ -149,2 +168,18 @@
 expect(composed(2)).toEqual("hello 201");
+```
+
+### Curried λ.partition example
+
+```javascript
+var items = [7, 6, 5, 4, 3, 2, 1];
+
+var even = function (item) {
+    return item % 2 === 0;
+};
+
+var partitionEven = λ.partition(even);
+
+var result = partitionEven(items);
+
+expect(result).toEqual([[6, 4, 2], [7, 5, 3, 1]]);
 ```

spec.js

@@ -220,2 +220,28 @@ describe("functional", function() {
 
+    it("should be able to λ.partition an array of odd and even numbers", function() {
+        var items = [1, 2, 3, 4, 5, 6, 7];
+
+        var even = function (item) {
+            return item % 2 === 0;
+        };
+
+        var result = λ.partition(even, items);
+
+        expect(result).toEqual([[2, 4, 6], [1, 3, 5, 7]]);
+    });
+
+    it("should be able to λ.curry λ.partition", function() {
+        var items = [7, 6, 5, 4, 3, 2, 1];
+
+        var even = function (item) {
+            return item % 2 === 0;
+        };
+        
+        var partitionEven = λ.partition(even);
+
+        var result = partitionEven(items);
+
+        expect(result).toEqual([[6, 4, 2], [7, 5, 3, 1]]);
+    });
+
 });

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

19365

10.76%

Lines of code

351

10.38%

Number of lines in readme file

183

23.65%

No dependency changes