underscore-keypath - npm Package Compare versions

Comparing version 0.0.3 to 0.0.4

lib/underscore-keypath.js

@@ -179,4 +179,43 @@ (function(){
 			return null;
+		},
+
+		sortByKeyPath : function(array, keyPath){
+			if(typeof keyPath !== "string"){
+				return _.sortBy(array, keyPath);
+			}else{
+				return _.sortBy(array, function(it){
+					return _.valueForKeyPath(it, keyPath);
+				});
+			}
+		},
+
+		groupByKeyPath : function(array, keyPath){
+			if(typeof keyPath !== "string"){
+				return _.groupBy(array, keyPath);
+			}else{
+				return _.groupBy(array, function(it){
+					return _.valueForKeyPath(it, keyPath);
+				});
+			}
+		},
+
+		indexByKeyPath : function(array, keyPath){
+			if(typeof keyPath !== "string"){
+				return _.indexBy(array, keyPath);
+			}else{
+				return _.indexBy(array, function(it){
+					return _.valueForKeyPath(it, keyPath);
+				});
+			}
+		},
+
+		countByKeyPath : function(array, keyPath){
+			if(typeof keyPath !== "string"){
+				return _.countBy(array, keyPath);
+			}else{
+				return _.countBy(array, function(it){
+					return _.valueForKeyPath(it, keyPath);
+				});
+			}
 		}
-
 	};
@@ -183,0 +222,0 @@

lib/underscore-keypath.min.js

@@ -1,2 +0,2 @@
-(function(){var r=true;try{module;exports}catch(e){r=false}if(r){_=require("underscore")}else{try{_}catch(e){throw new Error("underscore.js is not found!")}}function t(r){r=r==null?"":String(r);return r.charAt(0).toUpperCase()+r.slice(1)}function n(r,e){if(e==""){return r}var n=r["get"+t(e)];if(n===undefined){n=r["is"+t(e)]}if(n===undefined){n=r[e]}if(typeof n==="function"){n=n.call(r)}return n}function i(r,e,n){var i=r["set"+t(e)];if(i){i.call(r,n)}else{r[e]=n}}function u(r,e){var t=true;var n,i;for(n in e){i=e[n];if(_(r).valueForKeyPath(n)!=i){t=false;break}}return t}var a={valueForKeyPath:function(r,e,t){if(typeof e!="string"){throw new Error("keypath must be a string")}if(r===null||r===undefined){return t}var i=r;var u=e.split(".");var a=u.shift();var f=undefined;while(i!==null&&i!==undefined&&typeof a==="string"){f=i;i=n(i,a);if(typeof i==="function"){i=i.call(f)}a=u.shift()}return i||t},setValueForKeyPath:function(r,e,t){if(typeof e!="string"){throw new Error("keypath must be a string")}var n=e.split(".");var u=n.pop();var a=_(r).valueForKeyPath(n.join("."));if(a!==null&&a!==undefined){i(a,u,t)}},pluckByKeyPath:function(r,e){var t=[];var n,i;for(n in r){i=r[n];t[n]=_(i).valueForKeyPath(e)}return t},whereByKeyPath:function(r,e){"use strict";var t=[];var n,i;var a,f;for(n in r){i=r[n];if(u(i,e)){t.push(i)}}return t},findWhereByKeyPath:function(r,e){"use strict";var t=[];var n,i;var a,f;for(n in r){i=r[n];if(u(i,e)){return i}}return null}};var f={getValueForKeyPath:a.valueForKeyPath};_.mixin(a);_.mixin(f);if(r){module.exports=_}})();
+(function(){var e=true;try{module;exports}catch(r){e=false}if(e){_=require("underscore")}else{try{_}catch(r){throw new Error("underscore.js is not found!")}}function t(e){e=e==null?"":String(e);return e.charAt(0).toUpperCase()+e.slice(1)}function n(e,r){if(r=="@first"){return _.first(e)}else if(r=="@last"){return _.last(e)}else if(r=="@max"){return _.max(e)}else if(r=="@min"){return _.min(e)}else if(r=="@size"){return _.size(e)}}function i(e,r){if(r==""){return e}else if(r.indexOf("@")===0){return n(e,r)}var i=e["get"+t(r)];if(i===undefined){i=e["is"+t(r)]}if(i===undefined){i=e[r]}if(typeof i==="function"){i=i.call(e)}return i}function u(e,r,n){var i=e["set"+t(r)];if(i){i.call(e,n)}else{e[r]=n}}function f(e,r){var t=true;var n,i;for(n in r){i=r[n];if(_(e).valueForKeyPath(n)!=i){t=false;break}}return t}var o={valueForKeyPath:function(e,r,t){if(typeof r!="string"){throw new Error("keypath must be a string")}if(e===null||e===undefined){return t}var n=e;var u=r.split(".");var f=u.shift();var o=undefined;while(n!==null&&n!==undefined&&typeof f==="string"){o=n;n=i(n,f);if(typeof n==="function"){n=n.call(o)}f=u.shift()}return n||t},setValueForKeyPath:function(e,r,t){if(typeof r!="string"){throw new Error("keypath must be a string")}var n=r.split(".");var i=n.pop();var f=_(e).valueForKeyPath(n.join("."));if(f!==null&&f!==undefined){u(f,i,t)}},pluckByKeyPath:function(e,r){var t=[];var n,i;for(n in e){i=e[n];t[n]=_(i).valueForKeyPath(r)}return t},whereByKeyPath:function(e,r){"use strict";var t=[];var n,i;var u,o;for(n in e){i=e[n];if(f(i,r)){t.push(i)}}return t},findWhereByKeyPath:function(e,r){"use strict";var t=[];var n,i;var u,o;for(n in e){i=e[n];if(f(i,r)){return i}}return null},sortByKeyPath:function(e,r){if(typeof r!=="string"){return _.sortBy(e,r)}else{return _.sortBy(e,function(e){return _.valueForKeyPath(e,r)})}},groupByKeyPath:function(e,r){if(typeof r!=="string"){return _.groupBy(e,r)}else{return _.groupBy(e,function(e){return _.valueForKeyPath(e,r)})}},indexByKeyPath:function(e,r){if(typeof r!=="string"){return _.indexBy(e,r)}else{return _.indexBy(e,function(e){return _.valueForKeyPath(e,r)})}},countByKeyPath:function(e,r){if(typeof r!=="string"){return _.countBy(e,r)}else{return _.countBy(e,function(e){return _.valueForKeyPath(e,r)})}}};var a={getValueForKeyPath:o.valueForKeyPath};_.mixin(o);_.mixin(a);if(e){module.exports=_}})();
 //# sourceMappingURL=lib/underscore-keypath.min.js.map

package.json

 {
 	"name" : "underscore-keypath",
 	
-	"version" : "0.0.3",
+	"version" : "0.0.4",
 	
@@ -6,0 +6,0 @@ "author" : "Jeeeyul Lee <[e-mail]>",

README.md

@@ -5,4 +5,6 @@ # underscore-keypath
 
-key-path mechanism extensions for underscore
+key-path mechanism extensions for underscore (mixin).
 
+**underscore-keypath** let you access JavaScript objects and arrays with keypath easily.
+
 ```bash
@@ -33,8 +35,39 @@ $ npm install underscore-keypath
     name : "Cool!"
-  }
+  },
+  scores : [55, 27, 100, 33]
 };
 
-_(foo).valueForKeyPath("bar.name"); // --> "Cool!"
+_(foo).valueForKeyPath("bar.name");           // --> "Cool!"
+_(foo).setValueForKeyPath("bar.name", "BAR"); // --> sets foo.bar.name as "BAR"
+_(foo).valueForKeyPath("scores.@max");        // --> 100
 ```
 
-see [API](https://github.com/jeeeyul/underscore-keypath/wiki/API) Document
+## more?
+```javascript
+var list = [{
+  name : "foo",
+  info : {
+    favoriteColor : "red",
+    age : 20
+  }
+},{
+  name : "bar",
+  info : {
+    favoriteColor : "green",
+    age : 17
+  }
+},{
+  name : "zar",
+  info : {
+    favoriteColor : "red",
+    age : 34
+  }
+}];
+
+_(list).pluckByKeyPath("info.age");           // --> [20, 17, 34]
+_(list).sortByKeyPath("info.age");            // --> [{name:"bar", ..}, {name:"foo", ..}, {name:"zar", ..}]
+_(list).groupByKeyPath("info.favoriteColor"); // --> {red:2, green:1}
+
+```
+
+See [API Document](https://github.com/jeeeyul/underscore-keypath/wiki)

test/collections.js

 var _ = require("../lib/underscore-keypath");
 var assert = require("assert");
 var should = require("should");
+var Person = require("./fixture").Person;
 
-var arr = [
-	{
-		"entry" : {
-			"name" : "a",
-			"tag" : "foo",
-			"age" : 1,
-			"data" : [1, 3, 5, 7, 9]
+var fixture = [
+	new Person("foo", 1, {
+		company : {
+			name : "AAA",
+			since : 1995
 		}
-	},
-	{
-		"entry" : {
-			"name" : "b",
-			"age" : 2
+	}),
+	new Person("bar", 2, {
+		company : {
+			name : "BBB",
+			since : 1990
 		}
-	},
-	{
-		"entry" : {
-			"name" : "c",
-			"tag" : "foo",
-			"age" : 3
+	}),
+	new Person("zar", 3, {
+		company : {
+			name : "AAA",
+			since : 1998
 		}
-	}
+	})
 ];
 
-
-describe("pluckByKeyPath", function(){
-	it("pluckByKeyPath should have to pluck by keypath mechanism", function(){
-		var actual = _(arr).pluckByKeyPath("entry.name");
-		JSON.stringify(actual)
-			.should.be.equal(JSON.stringify(["a", "b", "c"]));
+describe("collection", function(){
+	describe("pluckByKeyPath", function(){
+		it("pluckByKeyPath should have to pluck by keypath mechanism", function(){
+			_(fixture).pluckByKeyPath("name")
+				.should.be.an.Array
+				.and.containEql("foo")
+				.and.containEql("bar")
+				.and.containEql("zar")
+				.and.have.lengthOf(3);
+		});
 	});
-});
 
-describe("whereByKeyPath", function(){
-	it("whereByKeyPath should work as _.where with keypath", function(){
-		var actual = _(arr).whereByKeyPath({
-			"entry.tag" : "foo"
+	describe("whereByKeyPath", function(){
+		it("whereByKeyPath should act as where with key-value mechanism", function(){
+			_(fixture).whereByKeyPath({
+				"options.company.name" : "AAA"
+			}).should.be.an.Array
+				.and.containEql(fixture[0])
+				.and.containEql(fixture[2])
+				.and.have.lengthOf(2);
 		});
-		actual.should.have.lengthOf(2);
-	});
 
-	it("findWhereByKeyPath should work as _.findWhere with keypath", function(){
-		_(arr).findWhereByKeyPath({
-			"entry.tag" : "foo"
-		}).entry.name.should.be.exactly("a");
-
-		_(arr).findWhereByKeyPath({
-			"entry.name" : "c"
-		}).entry.name.should.be.exactly("c");
+		it("findWhere should act as _.findWhere with key-value mechanism", function(){
+			_(fixture).findWhereByKeyPath({
+				"age" : 1
+			}).should.be.an.Object
+				.and.be.exactly(fixture[0]);
+		});
 	});
 
-});
+	describe("@property", function(){
+		it("@first", function(){
+			_(fixture).valueForKeyPath("@first.name")
+				.should.be.exactly("foo");
+		});
+		
+		it("@max", function(){
+			_.chain(fixture)
+				.pluckByKeyPath("age")
+				.valueForKeyPath("@max")
+				.value()
+					.should.be.an.Number
+					.and.be.exactly(3);
+		});
 
+		it("@min", function(){
+			_.chain(fixture)
+				.pluckByKeyPath("age")
+				.valueForKeyPath("@min")
+				.value()
+					.should.be.exactly(1);
+		});
 
-describe("@property", function(){
-	it("@first should have to return first element", function(){
-		_(arr).valueForKeyPath("@first.entry.name").should.be.exactly("a");
-	});
+		it("@size", function(){
+			_(fixture).valueForKeyPath("@size")
+				.should.be.exactly(3);
+		});
 
-	it("@last should have to return last element", function(){
-		_(arr).valueForKeyPath("@last.entry.name").should.be.exactly("c");
+		it("@last", function(){
+			_(fixture).valueForKeyPath("@last.name")
+				.should.be.exactly("zar");
+		});
 	});
 
-	it("@max should have to return max value of list", function(){
-		_.chain(arr)
-			.pluckByKeyPath("entry.age")
-			.max()
-			.value().should.be.exactly(3);
+	describe("grouping and indexing", function(){
+		it("sortByKeyPath", function(){
+			var sorted = _(fixture).sortByKeyPath("options.company.since");
+			_(sorted).pluckByKeyPath("name").join(",")
+				.should.be.exactly("bar,foo,zar");
+		});
 
-		_(arr).valueForKeyPath("@first.entry.data.@max").should.be.exactly(9);
-	});
+		it("countByKeyPath", function(){
+			var countMap = _(fixture).countByKeyPath("options.company.name");
 
-	it("@min should have to return min value of list", function(){
-		_(arr).valueForKeyPath("@first.entry.data.@min").should.be.exactly(1);
-	});
+			countMap["AAA"].should.be.exactly(2);
+			countMap["BBB"].should.be.exactly(1);
+		});
 
-	it("@size should have to return size of list", function(){
-		_(arr).valueForKeyPath("@size").should.be.exactly(3);
+		it("indexByKeyPath", function(){
+			var index = _(fixture).indexByKeyPath("options.company.name");
+			index["BBB"].should.be.exactly(fixture[1]);
+		});
+
+		it("groupByKeyPath", function(){
+			var group = _(fixture).groupByKeyPath("options.company.name");
+			group["AAA"].should.be.an.Array
+				.and.have.lengthOf(2);
+			group["BBB"].should.be.an.Array
+				.and.have.lengthOf(1);
+		});
 	});
 });
+
+

test/setValueForKeyPath.js

 var _ = require("../lib/underscore-keypath");
 var assert = require("assert");
+var should = require("should");
+var Person = require("./fixture.js").Person;
 
-var foo = {
-	"_version" : "0.0.1",
-	"getVersion" : function(){
-		return this._version;
-	},
-	"setVersion" : function(newVersion){
-		this._version = newVersion;
-	},
+var fixture = {
+	foo : new Person("foo", 1),
+	bar : new Person("bar", 2)
+};
 
-	"bar" : {
-		"_name" : "bar",
-		"setName" : function(newName){
-			return this._name = newName;
-		},
-		"getName" : function(){
-			return this._name;
-		}
-	}
-}
+describe("setValueForKeyPath", function(){
+	describe("set plain property", function(){
+		it("plain property must be updated", function(){
+			_(fixture).setValueForKeyPath("foo.alias", "FOO");
+			fixture.foo.alias.should.be.exactly("FOO");
+		});
+	});
 
-describe("set plain property", function(){
-	it("plain property must be updated", function(){
-		_(foo).setValueForKeyPath("aProp", 1024);
-		assert.equal(foo.aProp, 1024);
-
-		_(foo).setValueForKeyPath("bar.bProp", 1111);
-		assert.equal(foo.bar.bProp, 1111);
+	describe("set property by setter", function(){
+		it("what if there is setter for given keypath, it must be called", function(){
+			_(fixture).setValueForKeyPath("bar.age", 99);
+			fixture.bar._age.should.be.exactly(99);
+		});
 	});
 });
 
-describe("set property by setter", function(){
-	it("what if there is setter for given keypath, it must be called", function(){
-		_(foo).setValueForKeyPath("version", "9.9.9");
-		assert.equal(foo._version, "9.9.9");
 
-		_(foo).setValueForKeyPath("bar.name", "nodejs");
-		assert.equal(foo.bar._name, "nodejs");
-	});
-});

test/valueForKeyPath.js

 var _ = require("../lib/underscore-keypath");
 var assert = require("assert");
+var Person = require("./fixture").Person;
 
-var foo = {
-	"_version" : "0.0.1",
-	"_valid" : true,
-	"getVersion" : function(){
-		return this._version;
-	},
-	"isValid" : function(){
-		return this._valid;
-	},
+var fixture = {
+	foo : new Person("aaa", 1),
+	bar : new Person("bar", 2)
+};
 
-	"name" : "foo",
-	"bar" : {
-		"name" : "bar",
-		"fnProp" : function(){
-			return {
-				name : "fnProp"
-			}
-		}
-	}
-}
+fixture.foo.data = "sample data";
+fixture.count = function(){
+	return 2; 
+};
 
@@ -28,6 +18,3 @@ describe("valueForKeyPath", function(){
 		it("what if keypath is empty, result must be current context", function(){
-			assert.equal(
-				_(foo).valueForKeyPath(""),
-				foo
-			);
+			_(fixture).valueForKeyPath("").should.be.exactly(fixture);
 		});
@@ -38,3 +25,4 @@ });
 		it("should return fallback value when there is no value for give keypath", function(){
-			assert.equal(_(foo).valueForKeyPath("bar.nonexistproperty", "fallback"), "fallback");
+			_(fixture).valueForKeyPath("zar.whatever", "fallback")
+				.should.be.exactly("fallback");
 		});
@@ -45,6 +33,3 @@ });
 		it("what if property is function, it's result have to be returned.", function(){
-			assert.equal(
-				_(foo).valueForKeyPath("bar.fnProp.name"),
-				"fnProp"
-			);
+			_(fixture).valueForKeyPath("count").should.be.exactly(2);
 		});
@@ -55,11 +40,7 @@ });
 		it("what if there is a getter for given key, it must be call", function(){
-			assert.equal(
-				_(foo).valueForKeyPath("version"),
-				"0.0.1"
-			);
+			_(fixture).valueForKeyPath("foo.name")
+				.should.be.exactly(fixture.foo._name);
 
-			assert.equal(
-				_(foo).valueForKeyPath("valid"),
-				true
-			);
+			_(fixture).valueForKeyPath("foo.male")
+				.should.be.exactly(fixture.foo._male);
 		});
@@ -70,10 +51,15 @@ });
 		it("valueForKeyPath returns value of given keypath", function(){
-			_(foo).valueForKeyPath("bar.name").should.be.exactly("bar");
-		});
-		
+			_(fixture).valueForKeyPath("foo.data")
+				.should.be.exactly("sample data");
+		});	
+	});
+
+	describe("alias", function(){
 		it("getValueForKeyPath must be act same as valueForKeyPath", function(){
-			_(foo).getValueForKeyPath("bar.name").should.be.exactly("bar");
+			_(fixture).getValueForKeyPath("foo.data")
+				.should.be.exactly("sample data");
 		});
+
 	});
 });
 

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Total package byte prevSize

18778

35.28%

Number of package files

11

10%

Lines of code

401

21.15%

Number of lines in readme file

72

84.62%

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