Search refinement and bugfixing

Fixes #242

lib/search.js

@@ -19,14 +19,35 @@
 		texts.push({text: text.toLowerCase(), content});
 	};
 	scope.search = function(search){
-		search = search.toLowerCase();
-		const result = [];
-		texts.forEach(function(text){
-			if (text.text.indexOf(search) !== -1){
-				result.push(text.content);
-			}
+		const resultSets = search.toLowerCase().split(/\s+/).filter(function(term){
+			return term.trim();
+		}).map(function(term){
+			return new RegExp(term);
+		}).map(function(term){
+			const matching = new Set();
+			texts.forEach(function(text){
+				if (term.test(text.text)){
+					matching.add(text.content);
+				}
+			});
+			return matching;
 		});
-		return result;
+		if (resultSets.length){
+			return Array.from(
+				resultSets.reduce(function(previousSet, set){
+					var andSet = new Set();
+					set.forEach(function(entry){
+						if (previousSet.has(entry)){
+							andSet.add(entry);
+						}
+					});
+					return andSet;
+				})
+			);
+		}
+		else {
+			return [];
+		}
 	};
 	const searchListeners = [];
 	scope.init = function(){

lib/settingStrings.js

@@ -23,7 +23,22 @@
 		}
 		if (settingDefinition.options){
 			settingDefinition.options.forEach(function(option){
-				messages.push(settingDefinition.name + "_option." + option);
+				if (option !== null){
+					messages.push(settingDefinition.name + "_options." + option);
+				}
+			});
+		}
+		if (settingDefinition.inputs){
+			settingDefinition.inputs.forEach(function(input){
+				if (input){
+					if (input.options){
+						input.options.forEach(function(option){
+							if (option !== null){
+								messages.push(input.name + "_options." + option);
+							}
+						});
+					}
+				}
 			});
 		}
 		return messages;

options/options.js

@@ -176,11 +176,15 @@
 			search.init()
 		)
 	);
+	const searchOnly = window.location.search === "?searchOnly";
+	if (searchOnly){
+		document.body.classList.add("searching");
+	}
 	search.on(function({search, results, lastResults}){
 		lastResults.forEach(function(node){
 			node.classList.remove("found");
 		});
-		if (search){
+		if (search || searchOnly){
 			document.body.classList.add("searching");
 			results.forEach(function(node){
 				node.classList.add("found");

releaseNotes.txt

@@ -12,6 +12,7 @@ Version 0.5.4:
 		- added setting to control if notification details should be stored
 		- state of the arrow for url specific values is saved
 		- browser action icon gets grayed out if the page is whitelisted
+		- added search to options page
 	
 	fixes:
 		- window and audio API were always blocked when using any of the "block ..." modes