add orphan rule

js/ragadjust.js

@@ -1,55 +1,55 @@
 ragadjust = function (s, method) {
-	
-	if (document.querySelectorAll) {
-	
-		var eles = document.querySelectorAll(s),
-				elescount = eles.length,
-				
-				preps = /(\s|^|>)((aboard|about|above|across|after|against|along|amid|among|anti|around|before|behind|below|beneath|beside|besides|between|beyond|concerning|considering|despite|down|during|except|excepting|excluding|following|from|inside|into|like|minus|near|onto|opposite|outside|over|past|plus|regarding|round|save|since|than|that|this|through|toward|towards|under|underneath|unlike|until|upon|versus|with|within|without)\s)+/gi,
-				
-				smallwords = /(\s|^)(([a-zA-Z-_(]{1,2}('|’)*[a-zA-Z-_,;]{0,1}?\s)+)/gi, // words with 3 or less characters
-				
-				dashes = /([-–—])\s/gi,
-				
-				emphasis = /(<(strong|em|b|i)>)(([^\s]+\s*){2,3})?(<\/(strong|em|b|i)>)/gi;
-		
-		while (elescount-- > 0) {
-			
-			var ele = eles[elescount],
-					elehtml = ele.innerHTML;
-					
-			if (method == 'prepositions' || method == 'all') 
-			
-				// replace prepositions (greater than 3 characters)
-				elehtml = elehtml.replace(preps, function(contents, p1, p2) {
-				        return p1 + p2.replace(/\s/gi, '&#160;');
-				    });
-			
-			if (method == 'small-words' || method == 'all') 
-				
-				// replace small words
-				elehtml = elehtml.replace(smallwords, function(contents, p1, p2) {
-		        return p1 + p2.replace(/\s/g, '&#160;');
-		    });
-		    
-		  if (method == 'dashes' || method == 'all') 
-		  	
-		  	// replace small words
-		  	elehtml = elehtml.replace(dashes, function(contents) {
-		        return contents.replace(/\s/g, '&#160;');
-		    }); 
-			
-			if (method == 'emphasis' || method == 'all') 
-			
-				// emphasized text
-				elehtml = elehtml.replace(emphasis, function(contents, p1, p2, p3, p4, p5) {
-				        return p1 + p3.replace(/\s/gi, '&#160;') + p5;
-				    });
-			
-			ele.innerHTML = elehtml;
-			
-		}
-	
-	}
-	
-};
+
+  if (document.querySelectorAll) {
+
+    var eles   = document.querySelectorAll(s),
+    elescount  = eles.length,
+    preps      = /(\s|^|>)((aboard|about|above|across|after|against|along|amid|among|anti|around|before|behind|below|beneath|beside|besides|between|beyond|concerning|considering|despite|down|during|except|excepting|excluding|following|from|inside|into|like|minus|near|onto|opposite|outside|over|past|plus|regarding|round|save|since|than|that|this|through|toward|towards|under|underneath|unlike|until|upon|versus|with|within|without)\s)+/gi,
+    smallwords = /(\s|^)(([a-zA-Z-_(]{1,2}('|’)*[a-zA-Z-_,;]{0,1}?\s)+)/gi, // words with 3 or less characters
+    dashes     = /([-–—])\s/gi,
+    emphasis   = /(<(strong|em|b|i)>)(([^\s]+\s*){2,3})?(<\/(strong|em|b|i)>)/gi;
+    orphans    = /(.|&#160;)[^\s|^&#160;]+$/
+    ele        = null;
+
+    while (elescount-- > 0) {
+      ele = eles[elescount],
+      elehtml = ele.innerHTML;
+
+      if (method == 'prepositions' || method == 'all') {
+        // replace prepositions (greater than 3 characters)
+        elehtml = elehtml.replace(preps, function(contents, p1, p2) {
+          return p1 + p2.replace(/\s/gi, '&#160;');
+        });
+
+      } if (method == 'small-words' || method == 'all') {
+        // replace small words
+        elehtml = elehtml.replace(smallwords, function(contents, p1, p2) {
+          return p1 + p2.replace(/\s/g, '&#160;');
+        });
+
+      } if (method == 'dashes' || method == 'all') {
+        // replace small words
+        elehtml = elehtml.replace(dashes, function(contents) {
+          return contents.replace(/\s/g, '&#160;');
+        });
+
+      } if (method == 'emphasis' || method == 'all') {
+        // emphasized text
+        elehtml = elehtml.replace(emphasis, function(contents, p1, p2, p3, p4, p5) {
+          return p1 + p3.replace(/\s/gi, '&#160;') + p5;
+        });
+
+      } if (method == 'orphans' || method == 'all') {
+        // no single words on there own last line
+        elehtml = elehtml.replace(orphans, function(contents, p1, p2) {
+          return contents.replace(/(\s|^&#160;)/, '&#160;')
+        });
+
+      }
+
+      ele.innerHTML = elehtml;
+    }
+
+  }
+
+};