Update CodeMirror Spell Checker to v1.0.5

src/js/spell-checker.js

@@ -1,43 +1,52 @@
+// Initialize data globally to reduce memory consumption
+var num_loaded = 0;
+var aff_loading = false;
+var dic_loading = false;
+var aff_data = "";
+var dic_data = "";
+var typo;
+
+
 CodeMirror.defineMode("spell-checker", function(config, parserConfig) {
-	// Initialize data
-	var num_loaded = 0;
-	var aff_data = "";
-	var dic_data = "";
-	var typo;
-	
-	
 	// Load AFF/DIC data
-	var xhr_aff = new XMLHttpRequest();
-	xhr_aff.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.aff", true);
-	xhr_aff.onload = function (e) {
-		if (xhr_aff.readyState === 4 && xhr_aff.status === 200) {
-			aff_data = xhr_aff.responseText;
-			num_loaded++;
-			
-			if(num_loaded == 2){
-				typo = new Typo("en_US", aff_data, dic_data, {
-					platform: 'any'
-				});
+	if(!aff_loading){
+		aff_loading = true;
+		var xhr_aff = new XMLHttpRequest();
+		xhr_aff.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.aff", true);
+		xhr_aff.onload = function (e) {
+			if (xhr_aff.readyState === 4 && xhr_aff.status === 200) {
+				aff_data = xhr_aff.responseText;
+				num_loaded++;
+				
+				if(num_loaded == 2){
+					typo = new Typo("en_US", aff_data, dic_data, {
+						platform: 'any'
+					});
+				}
 			}
-		}
-	};
-	xhr_aff.send(null);
+		};
+		xhr_aff.send(null);
+	}
 	
-	var xhr_dic = new XMLHttpRequest();
-	xhr_dic.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.dic", true);
-	xhr_dic.onload = function (e) {
-		if (xhr_dic.readyState === 4 && xhr_dic.status === 200) {
-			dic_data = xhr_dic.responseText;
-			num_loaded++;
-			
-			if(num_loaded == 2){
-				typo = new Typo("en_US", aff_data, dic_data, {
-					platform: 'any'
-				});
+	if(!dic_loading){
+		dic_loading = true;
+		var xhr_dic = new XMLHttpRequest();
+		xhr_dic.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.dic", true);
+		xhr_dic.onload = function (e) {
+			if (xhr_dic.readyState === 4 && xhr_dic.status === 200) {
+				dic_data = xhr_dic.responseText;
+				num_loaded++;
+				
+				if(num_loaded == 2){
+					typo = new Typo("en_US", aff_data, dic_data, {
+						platform: 'any'
+					});
+				}
 			}
-		}
-	};
-	xhr_dic.send(null);
+		};
+		xhr_dic.send(null);
+	}
+
 	
 	
 	// Define what separates a word