Refactored filters to fit ES6 syntax

Author: jadsalhani

angular/filters/capitalize.filter.js

@@ -1,11 +1,7 @@
-(function(){
-	"use strict";
-
-	angular.module('app.filters').filter( 'capitalize', function(){
-		return function(input) {
-			return (input) ? input.replace(/([^\W_]+[^\s-]*) */g,function(txt){
-				return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
-			}) : '';
-		};
-	});
-})();
+export function CapitalizeFilter() {
+	return function(input) {
+		return (input) ? input.replace(/([^\W_]+[^\s-]*) */g, function(txt) {
+			return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
+		}) : '';
+	};
+}

angular/filters/human_readable.filter.js

@@ -1,16 +1,12 @@
-(function(){
-	"use strict";
-
-	angular.module('app.filters').filter( 'humanReadable', function(){
-		return function humanize(str) {
-			if ( !str ){
-				return '';
-			}
-			var frags = str.split('_');
-			for (var i=0; i<frags.length; i++) {
-				frags[i] = frags[i].charAt(0).toUpperCase() + frags[i].slice(1);
-			}
-			return frags.join(' ');
-		};
-	});
-})();
+export function HumanReadableFilter() {
+	return function humanize(str) {
+		if (!str) {
+			return '';
+		}
+		var frags = str.split('_');
+		for (var i = 0; i < frags.length; i++) {
+			frags[i] = frags[i].charAt(0).toUpperCase() + frags[i].slice(1);
+		}
+		return frags.join(' ');
+	};
+}

angular/filters/truncate_characters.filter.js

@@ -1,31 +1,27 @@
-(function(){
-    'use strict';
+export function TruncatCharactersFilter() {
+	return function(input, chars, breakOnWord) {
+		if (isNaN(chars)) {
+			return input;
+		}
+		if (chars <= 0) {
+			return '';
+		}
+		if (input && input.length > chars) {
+			input = input.substring(0, chars);
 
-    angular.module('app.filters').filter('truncateCharacters', function () {
-        return function (input, chars, breakOnWord) {
-            if (isNaN(chars)) {
-                return input;
-            }
-            if (chars <= 0) {
-                return '';
-            }
-            if (input && input.length > chars) {
-                input = input.substring(0, chars);
-
-                if (!breakOnWord) {
-                    var lastspace = input.lastIndexOf(' ');
-                    // Get last space
-                    if (lastspace !== -1) {
-                        input = input.substr(0, lastspace);
-                    }
-                } else {
-                    while (input.charAt(input.length-1) === ' ') {
-                        input = input.substr(0, input.length - 1);
-                    }
-                }
-                return input + '...';
-            }
-            return input;
-        };
-    });
-})();
+			if (!breakOnWord) {
+				var lastspace = input.lastIndexOf(' ');
+				// Get last space
+				if (lastspace !== -1) {
+					input = input.substr(0, lastspace);
+				}
+			} else {
+				while (input.charAt(input.length - 1) === ' ') {
+					input = input.substr(0, input.length - 1);
+				}
+			}
+			return input + '...';
+		}
+		return input;
+	};
+}

angular/filters/truncate_words.filter.js

@@ -0,0 +1,17 @@
+export function TruncateWordsFilter() {
+	return function(input, words) {
+		if (isNaN(words)) {
+			return input;
+		}
+		if (words <= 0) {
+			return '';
+		}
+		if (input) {
+			var inputWords = input.split(/\s+/);
+			if (inputWords.length > words) {
+				input = inputWords.slice(0, words).join(' ') + '...';
+			}
+		}
+		return input;
+	};
+}

angular/filters/truncate_words.js

@@ -1,9 +1,5 @@
-(function(){
-	"use strict";
-
-	angular.module('app.filters').filter( 'trustHtml', function( $sce ){
-		return function( html ){
-			return $sce.trustAsHtml(html);
-		};
-	});
-})();
+export function TrustHtmlFilter($sce) {
+	return function(html) {
+		return $sce.trustAsHtml(html);
+	};
+}

angular/filters/trust_html.filter.js

@@ -1,13 +1,8 @@
-(function(){
-	"use strict";
-
-	angular.module('app.filters').filter('ucfirst', function() {
-		return function( input ) {
-			if ( !input ){
-				return null;
-			}
-			return input.substring(0, 1).toUpperCase() + input.substring(1);
-		};
-	});
-
-})();
+export function UcFirstFilter() {
+	return function(input) {
+		if (!input) {
+			return null;
+		}
+		return input.substring(0, 1).toUpperCase() + input.substring(1);
+	};
+}

angular/filters/ucfirst.filter.js

@@ -0,0 +1,14 @@
+import {CapitalizeFilter} from './filters/capitalize.filter';
+import {HumanReadableFilter} from './filters/human_readable.filter';
+import {TruncatCharactersFilter} from './filters/truncate_characters.filter';
+import {TruncateWordsFilter} from './filters/truncate_words.filter';
+import {TrustHtmlFilter} from './filters/trust_html.filter';
+import {UcFirstFilter} from './filters/ucfirst.filter';
+
+angular.module('app.filters')
+	.filter('capitalize', CapitalizeFilter)
+	.filter('humanReadable', HumanReadableFilter)
+	.filter('truncateCharacters', TruncatCharactersFilter)
+	.filter('truncateWords', TruncateWordsFilter)
+	.filter('trustHtml', TrustHtmlFilter)
+	.filter('ucfirst', UcFirstFilter);