Core: Add option validator. Fixes #1319

js/jquery.tablesorter.js

@@ -116,7 +116,11 @@
 			headerList: [],
 			empties: {},
 			strings: {},
-			parsers: []
+			parsers: [],
+
+			// *** parser options for validator; values must be falsy!
+			globalize: 0,
+			imgAttr: 0
 
 			// removed: widgetZebra: { css: ['even', 'odd'] }
 
@@ -290,6 +294,7 @@
 			ts.setupParsers( c );
 			// start total row count at zero
 			c.totalRows = 0;
+			ts.validateOptions( c );
 			// build the cache for the tbody cells
 			// delayInit will delay building the cache until the user starts a sort
 			if ( !c.delayInit ) { ts.buildCache( c ); }
@@ -1911,6 +1916,8 @@
 					widget = ts.getWidgetById( c.widgets[ indx ] );
 					if ( widget && widget.options ) {
 						c.widgetOptions = $.extend( true, {}, widget.options, c.widgetOptions );
+						// add widgetOptions to defaults for option validator
+						$.extend( true, ts.defaults.widgetOptions, widget.options );
 					}
 				}
 			}
@@ -2396,6 +2403,34 @@
 			return str;
 		},
 
+		validateOptions : function( c ) {
+			var setting, setting2, typ, timer,
+				// ignore options containing an array
+				ignore = 'sortForce sortList sortAppend widgets'.split( ' ' ),
+				orig = c.originalSettings;
+			if ( orig ) {
+				if ( c.debug ) {
+					timer = new Date();
+				}
+				for ( setting in orig ) {
+					typ = typeof ts.defaults[setting];
+					if ( typ === 'undefined' ) {
+						console.warn( 'Tablesorter Warning! "table.config.' + setting + '" option not recognized' );
+					} else if ( typ === 'object' ) {
+						for ( setting2 in orig[setting] ) {
+							typ = typeof ts.defaults[setting][setting2];
+							if ( $.inArray( setting, ignore ) < 0 && typ === 'undefined' ) {
+								console.warn( 'Tablesorter Warning! "table.config.' + setting + '.' + setting2 + '" option not recognized' );
+							}
+						}
+					}
+				}
+				if ( c.debug ) {
+					console.log( 'validate options time:' + ts.benchmark( timer ) );
+				}
+			}
+		},
+
 		// restore headers
 		restoreHeaders : function( table ) {
 			var index, $cell,

js/parsers/parser-date-two-digit-year.js

@@ -13,6 +13,9 @@
 	ts = $.tablesorter,
 	now = new Date().getFullYear();
 
+	// add dateRange to defaults for validator; value must be falsy
+	ts.defaults.dataRange = '';
+
 	if ( !ts.dates ) { ts.dates = {}; }
 	ts.dates.regxxxxyy = /(\d{1,2})[\/\s](\d{1,2})[\/\s](\d{2})/;
 	ts.dates.regyyxxxx = /(\d{2})[\/\s](\d{1,2})[\/\s](\d{1,2})/;

js/parsers/parser-input-select.js

@@ -110,6 +110,10 @@
 		type : 'text'
 	});
 
+	// update defaults for validator; values must be falsy
+	ts.defaults.checkboxClass = '';
+	ts.defaults.checkboxVisible = '';
+
 	// update select and all input types in the tablesorter cache when the change event fires.
 	// This method only works with jQuery 1.7+
 	// you can change it to use delegate (v1.4.3+) or live (v1.3+) as desired

js/widgets/widget-build-table.js

@@ -79,6 +79,9 @@
 		}
 	};
 
+	// add data to defaults for validator; value must be falsy!
+	ts.defaults.data = '';
+
 	bt.defaults = {
 		// *** build widget core ***
 		build_type       : '',   // array, csv, object, json, html

js/widgets/widget-storage.js

@@ -43,6 +43,17 @@
 			url = options && options.url ||
 				$table.attr(options && options.page || wo && wo.storage_page || 'data-table-page') ||
 				wo && wo.storage_fixedUrl || c && c.fixedUrl || window.location.pathname;
+		// update defaults for validator; these values must be falsy!
+		$.extend(true, ts.defaults, {
+			fixedUrl: '',
+			widgetOptions: {
+				storage_fixedUrl: '',
+				storage_group: '',
+				storage_page: '',
+				storage_tableId: '',
+				storage_useSessionStorage: ''
+			}
+		});
 		// https://gist.github.com/paulirish/5558557
 		if (storageType in window) {
 			try {