Removed ability to leave out parameter

bower.json

@@ -1,7 +1,7 @@
 {
   "name": "fecha",
   "main": "fecha.js",
-  "version": "0.2.2",
+  "version": "1.0.0",
   "homepage": "https://github.com/taylorhakes/fecha",
   "authors": [
     "Taylor Hakes"

fecha.js

@@ -129,18 +129,16 @@
 	/***
 	 * Format a date
 	 * @method format
-	 * @param {Date|string} dateObj
+	 * @param {Date|number} dateObj
 	 * @param {string} mask Format of the date, i.e. 'mm-dd-yy' or 'shortDate'
 	 */
 	fecha.format = function (dateObj, mask) {
-		// Passing date through Date applies Date.parse, if necessary
-		if (typeof dateObj === 'string') {
-			dateObj = fecha.parse(dateObj);
-		} else if (!dateObj) {
-			dateObj = new Date();
+		if (typeof dateObj === 'number') {
+			dateObj = new Date(dateObj);
 		}
-		if (isNaN(dateObj)) {
-			throw new SyntaxError('invalid date');
+
+		if (!dateObj || typeof dateObj !== 'object' && typeof dateObj.getDate  !== 'function') {
+			throw new Error('Invalid Date in fecha.format');
 		}
 
 		mask = fecha.masks[mask] || mask || fecha.masks['default'];
@@ -197,39 +195,33 @@
 	 * @returns {Date|boolean}
 	 */
 	fecha.parse = function (dateStr, format) {
-		var time, isValid, dateInfo, today, date, info, index;
-
-		if (!format) {
-			time = Date.parse(dateStr.replace(/\-/g, '/'));
-			if (!isNaN(time)) {
-				return new Date(time);
-			} else {
-				return false;
-			}
+		var isValid, dateInfo, today, date, info, index;
 
-		} else {
-			format = fecha.masks[format] || format;
+		if (typeof format !== 'string') {
+			throw new Error('Invalid format in fecha.parse');
+		}
 
-			isValid = true;
-			dateInfo = {};
-			format.replace(token, function ($0) {
-				if (parseFlags[$0]) {
-					info = parseFlags[$0];
-					index = dateStr.search(info[0]);
-					if (!~index) {
-						isValid = false;
-					} else {
-						dateStr.replace(info[0], function (result) {
-							info[1](dateInfo, result);
-							dateStr = dateStr.substr(index + result.length);
-							return result;
-						});
-					}
+		format = fecha.masks[format] || format;
+
+		isValid = true;
+		dateInfo = {};
+		format.replace(token, function ($0) {
+			if (parseFlags[$0]) {
+				info = parseFlags[$0];
+				index = dateStr.search(info[0]);
+				if (!~index) {
+					isValid = false;
+				} else {
+					dateStr.replace(info[0], function (result) {
+						info[1](dateInfo, result);
+						dateStr = dateStr.substr(index + result.length);
+						return result;
+					});
 				}
+			}
 
-				return parseFlags[$0] ? '' : $0.slice(1, $0.length - 1);
-			});
-		}
+			return parseFlags[$0] ? '' : $0.slice(1, $0.length - 1);
+		});
 
 		if (!isValid) {
 			return false;

fecha.spec.js

@@ -74,13 +74,14 @@
 				expect(fecha.parse('hello', 'HH:mm:ss ZZ')).toEqual(false);
 			});
 			it('invalid date no format', function () {
-				expect(fecha.parse('hello')).toEqual(false);
+				expect(function() {
+					fecha.parse('hello')
+				}).toThrow();
 			});
 			it('no format specified', function () {
-				expect(fecha.parse('2014-11-05')).toEqual(new Date(2014, 10, 5));
-			});
-			it('another no format', function() {
-				expect(fecha.parse('2015-02-29')).toEqual(new Date(2015, 1, 29));
+				expect(function() {
+					fecha.parse('2014-11-05', false)
+				}).toThrow();
 			});
 		});
 		describe('format', function () {
@@ -162,10 +163,13 @@
 				}).toThrow();
 			});
 			it('Valid parse', function () {
-				expect(fecha.format('2011-10-01', 'MM-DD-YYYY')).toBe('10-01-2011');
+
+				expect(function() {
+					fecha.format('2011-10-01', 'MM-DD-YYYY')
+				}).toThrow();
 			});
 			it('Current Date', function () {
-				expect(fecha.format(null, 'YYYY')).toBe('' + (new Date()).getFullYear());
+				expect(fecha.format(new Date(), 'YYYY')).toBe('' + (new Date()).getFullYear());
 			});
 			it('Mask', function () {
 				expect(fecha.format(new Date(1999, 0, 2), 'mediumDate')).toBe('Jan 2, 1999');

package.json

@@ -1,6 +1,6 @@
 {
   "name": "fecha",
-  "version": "0.2.2",
+  "version": "1.0.0",
   "description": "Date formatting and parsing",
   "main": "fecha.js",
   "scripts": {