functional.js - npm Package Compare versions

Comparing version 0.3.8 to 0.3.9

component.json

@@ -7,3 +7,3 @@ {
   "homepage": "http://ilee.co.uk",
-  "version": "0.3.8",
+  "version": "0.3.9",
   "keywords": [
@@ -23,2 +23,3 @@ "functional",
     "partition",
+    "pluck",
     "λ",
@@ -25,0 +26,0 @@ "array",

functional.js

@@ -183,2 +183,12 @@ var λ = (function () {
 
+    λ.prop = function (prop) {
+        return function (obj) {
+            return obj[prop];
+        };
+    };
+
+    λ.pluck = λ.curry(function (prop, items) {
+        return λ.map(λ.prop(prop), items);
+    });
+
     λ.exists = function (obj) {
@@ -185,0 +195,0 @@ return obj != null; // jshint ignore:line

functional.min.client.js

 /*!
-    functional.js (v0.3.8) 18-06-2014
+    functional.js (v0.3.9) 19-06-2014
     (c) Lee Crossley <[e-mail]> (http://ilee.co.uk/)
 */
-var lambda=function(){"use strict";var a={},b="hardReturn;",c=function(a){return a.length>0?[].slice.call(a,0):[]},d=function(a){if(!a||"function"!=typeof a)throw"lambda Error: Invalid function"};return a.curry=function(b){return d(b),function e(){var d=c(arguments);if(d.length===b.length)return b.apply(null,d);if(d.length>b.length){var f=b.apply(null,d);return a.reduce(b,f,d.slice(b.length))}return function(){var a=c(arguments);return e.apply(null,d.concat(a))}}},a.each=a.curry(function(a,c){d(a);for(var e=0;e<c.length;e++)if(a.call(null,c[e],e)===b)return}),a.map=a.curry(function(b,c){d(b);var e,f=[];return e=a.each(function(){f.push(b.apply(null,arguments))}),e(c),f}),a.reduce=a.reducel=a.curry(function(b,c,e){d(b);var f,g=c;return f=a.each(function(a){g=b.call(null,g,a)}),f(e),g}),a.clone=function(b){var c=[];return a.each(function(a){c.push(a)},b),c},a.first=a.curry(function(c,e){d(c);var f;return a.each(function(a){return c.call(null,a)?(f=a,b):void 0},e),f}),a.last=a.curry(function(b,c){var d=a.clone(c);return a.first(b,d.reverse())}),a.every=a.all=a.curry(function(b,c){d(b);var e=!0;return a.each(function(a){b.call(null,a)||(e=!1)},c),e}),a.any=a.contains=a.curry(function(c,e){d(c);var f=!1;return a.each(function(a){return c.call(null,a)?(f=!0,b):void 0},e),f}),a.select=a.curry(function(b,c){d(b);var e,f=[];return e=a.each(function(a){b.call(null,a)&&f.push(a)}),e(c),f}),a.compose=function(b){var d=a.any(function(a){return"function"!=typeof a});if(b=c(arguments),d(b))throw"lambda 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.partition=a.curry(function(b,c){d(b);var e,f=[],g=[];return e=a.each(function(a){(b.call(null,a)?f:g).push(a)}),e(c),[f,g]}),a.isArray=function(a){return"[object Array]"===Object.prototype.toString.call(a)},a.toArray=function(b){return a.map(function(a){return[a,b[a]]},Object.keys(b))},a.apply=a.curry(function(b,c){var d=[];return a.isArray(b)&&(d=[].slice.call(b,1),b=b[0]),a.map(function(a){return a[b].apply(a,d)},c)}),a.assign=a.extend=a.curry(function(b,c){return a.each(function(a){c[a]=b[a]},Object.keys(b)),c}),a.exists=function(a){return null!=a},a.truthy=function(b){return a.exists(b)&&b!==!1},a.falsy=function(b){return!a.truthy(b)},a}();"undefined"!=typeof exports&&("undefined"!=typeof module&&module.exports&&(exports=module.exports=lambda),exports.lambda=lambda);
+var lambda=function(){"use strict";var a={},b="hardReturn;",c=function(a){return a.length>0?[].slice.call(a,0):[]},d=function(a){if(!a||"function"!=typeof a)throw"lambda Error: Invalid function"};return a.curry=function(b){return d(b),function e(){var d=c(arguments);if(d.length===b.length)return b.apply(null,d);if(d.length>b.length){var f=b.apply(null,d);return a.reduce(b,f,d.slice(b.length))}return function(){var a=c(arguments);return e.apply(null,d.concat(a))}}},a.each=a.curry(function(a,c){d(a);for(var e=0;e<c.length;e++)if(a.call(null,c[e],e)===b)return}),a.map=a.curry(function(b,c){d(b);var e,f=[];return e=a.each(function(){f.push(b.apply(null,arguments))}),e(c),f}),a.reduce=a.reducel=a.curry(function(b,c,e){d(b);var f,g=c;return f=a.each(function(a){g=b.call(null,g,a)}),f(e),g}),a.clone=function(b){var c=[];return a.each(function(a){c.push(a)},b),c},a.first=a.curry(function(c,e){d(c);var f;return a.each(function(a){return c.call(null,a)?(f=a,b):void 0},e),f}),a.last=a.curry(function(b,c){var d=a.clone(c);return a.first(b,d.reverse())}),a.every=a.all=a.curry(function(b,c){d(b);var e=!0;return a.each(function(a){b.call(null,a)||(e=!1)},c),e}),a.any=a.contains=a.curry(function(c,e){d(c);var f=!1;return a.each(function(a){return c.call(null,a)?(f=!0,b):void 0},e),f}),a.select=a.curry(function(b,c){d(b);var e,f=[];return e=a.each(function(a){b.call(null,a)&&f.push(a)}),e(c),f}),a.compose=function(b){var d=a.any(function(a){return"function"!=typeof a});if(b=c(arguments),d(b))throw"lambda 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.partition=a.curry(function(b,c){d(b);var e,f=[],g=[];return e=a.each(function(a){(b.call(null,a)?f:g).push(a)}),e(c),[f,g]}),a.isArray=function(a){return"[object Array]"===Object.prototype.toString.call(a)},a.toArray=function(b){return a.map(function(a){return[a,b[a]]},Object.keys(b))},a.apply=a.curry(function(b,c){var d=[];return a.isArray(b)&&(d=[].slice.call(b,1),b=b[0]),a.map(function(a){return a[b].apply(a,d)},c)}),a.assign=a.extend=a.curry(function(b,c){return a.each(function(a){c[a]=b[a]},Object.keys(b)),c}),a.prop=function(a){return function(b){return b[a]}},a.pluck=a.curry(function(b,c){return a.map(a.prop(b),c)}),a.exists=function(a){return null!=a},a.truthy=function(b){return a.exists(b)&&b!==!1},a.falsy=function(b){return!a.truthy(b)},a}();"undefined"!=typeof exports&&("undefined"!=typeof module&&module.exports&&(exports=module.exports=lambda),exports.lambda=lambda);

functional.min.js

 /*!
-    functional.js (v0.3.8) 18-06-2014
+    functional.js (v0.3.9) 19-06-2014
     (c) Lee Crossley <[e-mail]> (http://ilee.co.uk/)
 */
-var λ=function(){"use strict";var a={},b="hardReturn;",c=function(a){return a.length>0?[].slice.call(a,0):[]},d=function(a){if(!a||"function"!=typeof a)throw"λ Error: Invalid function"};return a.curry=function(b){return d(b),function e(){var d=c(arguments);if(d.length===b.length)return b.apply(null,d);if(d.length>b.length){var f=b.apply(null,d);return a.reduce(b,f,d.slice(b.length))}return function(){var a=c(arguments);return e.apply(null,d.concat(a))}}},a.each=a.curry(function(a,c){d(a);for(var e=0;e<c.length;e++)if(a.call(null,c[e],e)===b)return}),a.map=a.curry(function(b,c){d(b);var e,f=[];return e=a.each(function(){f.push(b.apply(null,arguments))}),e(c),f}),a.reduce=a.reducel=a.curry(function(b,c,e){d(b);var f,g=c;return f=a.each(function(a){g=b.call(null,g,a)}),f(e),g}),a.clone=function(b){var c=[];return a.each(function(a){c.push(a)},b),c},a.first=a.curry(function(c,e){d(c);var f;return a.each(function(a){return c.call(null,a)?(f=a,b):void 0},e),f}),a.last=a.curry(function(b,c){var d=a.clone(c);return a.first(b,d.reverse())}),a.every=a.all=a.curry(function(b,c){d(b);var e=!0;return a.each(function(a){b.call(null,a)||(e=!1)},c),e}),a.any=a.contains=a.curry(function(c,e){d(c);var f=!1;return a.each(function(a){return c.call(null,a)?(f=!0,b):void 0},e),f}),a.select=a.curry(function(b,c){d(b);var e,f=[];return e=a.each(function(a){b.call(null,a)&&f.push(a)}),e(c),f}),a.compose=function(b){var d=a.any(function(a){return"function"!=typeof a});if(b=c(arguments),d(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.partition=a.curry(function(b,c){d(b);var e,f=[],g=[];return e=a.each(function(a){(b.call(null,a)?f:g).push(a)}),e(c),[f,g]}),a.isArray=function(a){return"[object Array]"===Object.prototype.toString.call(a)},a.toArray=function(b){return a.map(function(a){return[a,b[a]]},Object.keys(b))},a.apply=a.curry(function(b,c){var d=[];return a.isArray(b)&&(d=[].slice.call(b,1),b=b[0]),a.map(function(a){return a[b].apply(a,d)},c)}),a.assign=a.extend=a.curry(function(b,c){return a.each(function(a){c[a]=b[a]},Object.keys(b)),c}),a.exists=function(a){return null!=a},a.truthy=function(b){return a.exists(b)&&b!==!1},a.falsy=function(b){return!a.truthy(b)},a}();"undefined"!=typeof exports&&("undefined"!=typeof module&&module.exports&&(exports=module.exports=λ),exports.λ=λ);
+var λ=function(){"use strict";var a={},b="hardReturn;",c=function(a){return a.length>0?[].slice.call(a,0):[]},d=function(a){if(!a||"function"!=typeof a)throw"λ Error: Invalid function"};return a.curry=function(b){return d(b),function e(){var d=c(arguments);if(d.length===b.length)return b.apply(null,d);if(d.length>b.length){var f=b.apply(null,d);return a.reduce(b,f,d.slice(b.length))}return function(){var a=c(arguments);return e.apply(null,d.concat(a))}}},a.each=a.curry(function(a,c){d(a);for(var e=0;e<c.length;e++)if(a.call(null,c[e],e)===b)return}),a.map=a.curry(function(b,c){d(b);var e,f=[];return e=a.each(function(){f.push(b.apply(null,arguments))}),e(c),f}),a.reduce=a.reducel=a.curry(function(b,c,e){d(b);var f,g=c;return f=a.each(function(a){g=b.call(null,g,a)}),f(e),g}),a.clone=function(b){var c=[];return a.each(function(a){c.push(a)},b),c},a.first=a.curry(function(c,e){d(c);var f;return a.each(function(a){return c.call(null,a)?(f=a,b):void 0},e),f}),a.last=a.curry(function(b,c){var d=a.clone(c);return a.first(b,d.reverse())}),a.every=a.all=a.curry(function(b,c){d(b);var e=!0;return a.each(function(a){b.call(null,a)||(e=!1)},c),e}),a.any=a.contains=a.curry(function(c,e){d(c);var f=!1;return a.each(function(a){return c.call(null,a)?(f=!0,b):void 0},e),f}),a.select=a.curry(function(b,c){d(b);var e,f=[];return e=a.each(function(a){b.call(null,a)&&f.push(a)}),e(c),f}),a.compose=function(b){var d=a.any(function(a){return"function"!=typeof a});if(b=c(arguments),d(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.partition=a.curry(function(b,c){d(b);var e,f=[],g=[];return e=a.each(function(a){(b.call(null,a)?f:g).push(a)}),e(c),[f,g]}),a.isArray=function(a){return"[object Array]"===Object.prototype.toString.call(a)},a.toArray=function(b){return a.map(function(a){return[a,b[a]]},Object.keys(b))},a.apply=a.curry(function(b,c){var d=[];return a.isArray(b)&&(d=[].slice.call(b,1),b=b[0]),a.map(function(a){return a[b].apply(a,d)},c)}),a.assign=a.extend=a.curry(function(b,c){return a.each(function(a){c[a]=b[a]},Object.keys(b)),c}),a.prop=function(a){return function(b){return b[a]}},a.pluck=a.curry(function(b,c){return a.map(a.prop(b),c)}),a.exists=function(a){return null!=a},a.truthy=function(b){return a.exists(b)&&b!==!1},a.falsy=function(b){return!a.truthy(b)},a}();"undefined"!=typeof exports&&("undefined"!=typeof module&&module.exports&&(exports=module.exports=λ),exports.λ=λ);

package.json

@@ -6,3 +6,3 @@ {
   "homepage": "http://ilee.co.uk",
-  "version": "0.3.8",
+  "version": "0.3.9",
   "main": "functional.min.js",
@@ -27,2 +27,3 @@ "keywords": [
     "partition",
+    "pluck",
     "λ",
@@ -29,0 +30,0 @@ "array",

README.md

@@ -339,2 +339,22 @@ # functional.js (λ) [![Build Status](https://travis-ci.org/leecrossley/functional-js.png?branch=master)](https://travis-ci.org/leecrossley/functional-js) [![npm version](https://badge.fury.io/js/functional.js.png)](https://npmjs.org/package/functional.js) [![devDependency Status](https://david-dm.org/leecrossley/functional-js/dev-status.png)](https://david-dm.org/leecrossley/functional-js#info=devDependencies)
 
+### λ.pluck with λ.curry example
+
+```javascript
+var items = [{
+    "p1": "abc",
+    "p2": 123
+}, {
+    "p1": "cab",
+    "p2": 312
+},{
+    "p1": "bca",
+    "p2": 231
+}];
+
+var pluck1 = λ.pluck("p1");
+var result1 = pluck1(items);
+
+expect(result1).toEqual(["abc", "cab", "bca"]);
+```
+
 ### λ.exists example
@@ -341,0 +361,0 @@

spec.js

@@ -318,2 +318,26 @@ describe("functional", function() {
 
+    it("should be able to λ.curry λ.pluck", function() {
+        var items = [{
+            "p1": "abc",
+            "p2": false,
+            "p3": 123
+        }, {
+            "p1": "cab",
+            "p2": true,
+            "p3": 312
+        },{
+            "p1": "bca",
+            "p2": false,
+            "p3": 231
+        }];
+
+        var pluck1 = λ.pluck("p1");
+        var result1 = pluck1(items);
+        var pluck2 = λ.pluck("p2");
+        var result2 = pluck2(items);
+
+        expect(result1).toEqual(["abc", "cab", "bca"]);
+        expect(result2).toEqual([false, true, false]);
+    });
+
     it("should convert an object to an array", function() {
@@ -320,0 +344,0 @@ var obj = {

No alert changes

Improved metrics

Total package byte prevSize

39484

increased by3.63%

Lines of code

709

increased by4.42%

Number of lines in readme file

392

increased by5.38%

No dependency changes