Clean up stuff

main.js

@@ -52,19 +52,33 @@ function setup(data, mime) {
 
 			focused = true;
 
-			editor.on("focus", (instance, event) => {
-				focused = true;
-			});
-			editor.on("blur", (instance, event) => {
-				focused = false;
-			});
+			editor.on("focus", handleFocus);
+			editor.on("blur", handleBlur);
+			editor.on("mousedown", handleMouseDown);
 
-			editor.on("mousedown", (instance, event) => {
+			document.addEventListener("keypress", handleKeyPress);
+			document.addEventListener("keydown", handleKeyDown);
+
+		})
+		.catch((e) => {
+			throw e;
+		});
+}
+
+function handleFocus() {
+	focused = true;
+}
+
+function handleBlur() {
+	focused = false;
+}
+
+function handleMouseDown(instance, event) {
 	event.preventDefault();
 	editor.focus();
-			});
+}
 
-			document.addEventListener("keypress", (event) => {
+function handleKeyPress(event) {
 	if (focused) {
 		event.preventDefault();
 
@@ -77,15 +91,21 @@ function setup(data, mime) {
 		editor.setCursor({ line: pos.line, ch: pos.ch + 1 });
 		updateIncompleteMark();
 	}
-			});
+}
 
-			document.addEventListener("keydown", (event) => {
+function handleKeyDown(event) {
 	if (focused) {
-					var result = false;
-
 		if (event.keyCode == 8) { // delete
-						result = true;
+			event.preventDefault();
+			handleDelete(event);
+		} else if (event.keyCode == 13) { // enter
+			event.preventDefault();
+			handleEnter(event);
+		}
+	}
+}
 
+function handleDelete(event) {
 	let pos = editor.getCursor();
 	if (pos.ch == 0) { // move up 1 line {
 		moveToEndOfPreviousLine();
@@ -109,9 +129,9 @@ function setup(data, mime) {
 	}
 
 	updateIncompleteMark();
-					} else if (event.keyCode == 13) { // enter
-						result = true;
+}
 
+function handleEnter(event) {
 	let pos = editor.getCursor();
 	if (pos.line != editor.doc.size - 1) {
 		let currentLine = editor.doc.getLine(pos.line);
@@ -136,18 +156,6 @@ function setup(data, mime) {
 			updateIncompleteMark();
 		}
 	}
-					}
-
-					if (result) {
-						event.preventDefault();
-					}
-				}
-			});
-
-		})
-		.catch((e) => {
-			throw e;
-		});
 }
 
 function moveToEndOfPreviousLine() {