Add no else return tslint rule

package.json

@@ -67,6 +67,7 @@
     "npm-run-all": "^4.1.2",
     "sorcery": "^0.10.0",
     "tslint": "^5.9.1",
+    "tslint-consistent-codestyle": "^1.13.0",
     "typescript": "~2.7.1",
     "vinyl-buffer": "^1.0.0",
     "vinyl-source-stream": "^1.1.0",

src/CompositionHelper.ts

@@ -92,11 +92,10 @@ export class CompositionHelper {
       } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
         // Continue composing if the keyCode is a modifier key
         return false;
-      } else {
-        // Finish composition immediately. This is mainly here for the case where enter is
-        // pressed and the handler needs to be triggered before the command is executed.
-        this._finalizeComposition(false);
       }
+      // Finish composition immediately. This is mainly here for the case where enter is
+      // pressed and the handler needs to be triggered before the command is executed.
+      this._finalizeComposition(false);
     }
 
     if (ev.keyCode === 229) {

src/handlers/AltClickHandler.ts

@@ -73,12 +73,11 @@ export class AltClickHandler {
   private _resetStartingRow(): string {
     if (this._moveToRequestedRow().length === 0) {
       return '';
-    } else {
-      return repeat(this._bufferLine(
-        this._startCol, this._startRow, this._startCol,
-        this._startRow - this._wrappedRowsForRow(this._startRow), false
-      ).length, this._sequence(Direction.Left));
     }
+    return repeat(this._bufferLine(
+      this._startCol, this._startRow, this._startCol,
+      this._startRow - this._wrappedRowsForRow(this._startRow), false
+    ).length, this._sequence(Direction.Left));
   }
 
   /**
@@ -180,9 +179,8 @@ export class AltClickHandler {
       (this._startCol >= this._endCol &&
       startRow < this._endRow)) {  // down/left or same y/left
       return Direction.Right;
-    } else {
-      return Direction.Left;
     }
+    return Direction.Left;
   }
 
   /**
@@ -191,9 +189,8 @@ export class AltClickHandler {
   private _verticalDirection(): Direction {
     if (this._startRow > this._endRow) {
       return Direction.Up;
-    } else {
-      return Direction.Down;
     }
+    return Direction.Down;
   }
 
   /**

tslint.json

@@ -1,4 +1,7 @@
 {
+  "rulesDirectory": [
+    "tslint-consistent-codestyle"
+  ],
   "rules": {
     "array-type": [
       true,
@@ -86,6 +89,10 @@
       "check-type",
       "check-type-operator",
       "check-preblock"
-    ]
+    ],
+
+    "no-else-after-return": {
+      "options": "allow-else-if"
+    }
   }
 }