Wrote tests for detectSupport, fixed a bug in AM/PM detection, simplified isIn() function, and eliminated unnecessary escapes in regular expression.

Author: srvance

jquery-ui-timepicker-addon.js

@@ -1768,7 +1768,7 @@
 	var isEmptyObject = function(obj) {
 		var prop;
 		for (prop in obj) {
-			if (obj.hasOwnProperty(obj)) {
+			if (obj.hasOwnProperty(prop)) {
 				return false;
 			}
 		}
@@ -1793,9 +1793,9 @@
 	* Returns an object of booleans for each unit
 	*/
 	var detectSupport = function(timeFormat){
-		var tf = timeFormat.replace(/\'.*?\'/g,'').toLowerCase(), // removes literals
+		var tf = timeFormat.replace(/'.*?'/g,'').toLowerCase(), // removes literals
 			isIn = function(f, t){ // does the format contain the token?
-					return f.indexOf(t) !== -1? true:false; 
+					return !!(f.indexOf(t) !== -1);
 				};
 		return {
 				hour: isIn(tf,'h'),
@@ -1804,7 +1804,7 @@
 				millisec: isIn(tf,'l'),
 				microsec: isIn(tf,'c'),
 				timezone: isIn(tf,'z'),
-				ampm: isIn('t') && isIn(timeFormat,'h'),
+				ampm: isIn(tf, 't') && isIn(timeFormat,'h'),
 				iso8601: isIn(timeFormat, 'Z')
 			};
 	};
@@ -2111,7 +2111,8 @@
 	$.timepicker.util = {
 		_extendRemove: extendRemove,
 		_isEmptyObject: isEmptyObject,
-		_convert24to12: convert24to12
+		_convert24to12: convert24to12,
+		_detectSupport: detectSupport
 	};
 
 	/*

test/jquery-ui-timepicker-addon_spec.js

@@ -89,5 +89,68 @@ describe('datetimepicker', function() {
 				expect(util._convert24to12(expectedValue + 12 * 3)).toBe("" + expectedValue);
 			})
 		});
+
+		describe('detectSupport', function() {
+			it('should detect support for hours', function() {
+				expect(util._detectSupport('H').hour).toBe(true);
+				expect(util._detectSupport('HH').hour).toBe(true);
+				expect(util._detectSupport('h').hour).toBe(true);
+				expect(util._detectSupport('hh').hour).toBe(true);
+
+				expect(util._detectSupport('asdf').hour).toBe(false);
+			});
+
+			it('should detect support for minutes', function() {
+				expect(util._detectSupport('m').minute).toBe(true);
+				expect(util._detectSupport('mm').minute).toBe(true);
+
+				expect(util._detectSupport('asdf').minute).toBe(false);
+			});
+
+			it('should detect support for seconds', function() {
+				expect(util._detectSupport('s').second).toBe(true);
+				expect(util._detectSupport('ss').second).toBe(true);
+
+				expect(util._detectSupport('acdf').second).toBe(false);
+			});
+
+			it('should detect support for milliseconds', function() {
+				expect(util._detectSupport('l').millisec).toBe(true);
+
+				expect(util._detectSupport('acdf').millisec).toBe(false);
+			});
+
+			it('should detect support for microseconds', function() {
+				expect(util._detectSupport('c').microsec).toBe(true);
+
+				expect(util._detectSupport('asdf').microsec).toBe(false);
+			});
+
+			it('should detect support for AM/PM', function() {
+				expect(util._detectSupport('h t').ampm).toBe(true);
+				expect(util._detectSupport('h tt').ampm).toBe(true);
+				expect(util._detectSupport('h T').ampm).toBe(true);
+				expect(util._detectSupport('h TT').ampm).toBe(true);
+
+				expect(util._detectSupport('t').ampm).toBe(false);
+				expect(util._detectSupport('h').ampm).toBe(false);
+				expect(util._detectSupport('H t').ampm).toBe(false);
+				expect(util._detectSupport('acdf').ampm).toBe(false);
+			});
+
+			it('should detect support for timezone', function() {
+				expect(util._detectSupport('z').timezone).toBe(true);
+				expect(util._detectSupport('Z').timezone).toBe(true);
+
+				expect(util._detectSupport('acdf').timezone).toBe(false);
+			});
+
+			it('should detect support for iso8601', function() {
+				expect(util._detectSupport('Z').iso8601).toBe(true);
+
+				expect(util._detectSupport('z').iso8601).toBe(false);
+				expect(util._detectSupport('acdf').iso8601).toBe(false);
+			});
+		});
 	});
 });