Disallow trailing commas

src/CharWidth.ts

@@ -49,7 +49,7 @@ export const wcwidth = (function(opts: {nul: number, control: number}): (ucs: nu
       [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
       [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
       [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
-      [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
+      [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
     ];
     const COMBINING_HIGH = [
       [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],

src/CompositionHelper.test.ts

@@ -17,7 +17,7 @@ describe('CompositionHelper', () => {
     compositionView = {
       classList: {
         add: () => {},
-        remove: () => {},
+        remove: () => {}
       },
       getBoundingClientRect: () => {
         return { width: 0 };

src/CompositionHelper.ts

@@ -132,7 +132,7 @@ export class CompositionHelper {
       // fire before the setTimeout executes.
       const currentCompositionPosition = {
         start: this._compositionPosition.start,
-        end: this._compositionPosition.end,
+        end: this._compositionPosition.end
       };
 
       // Since composition* events happen before the changes take place in the textarea on most

src/Terminal.ts

@@ -118,7 +118,7 @@ const DEFAULT_OPTIONS: ITerminalOptions = {
   allowTransparency: false,
   tabStopWidth: 8,
   theme: null,
-  rightClickSelectsWord: Browser.isMac,
+  rightClickSelectsWord: Browser.isMac
   // programFeatures: false,
   // focusKeys: false,
 };

src/renderer/CursorRenderLayer.ts

@@ -33,7 +33,7 @@ export class CursorRenderLayer extends BaseRenderLayer {
       y: null,
       isFocused: null,
       style: null,
-      width: null,
+      width: null
     };
     this._cursorRenderers = {
       'bar': this._renderBarCursor.bind(this),
@@ -51,7 +51,7 @@ export class CursorRenderLayer extends BaseRenderLayer {
       y: null,
       isFocused: null,
       style: null,
-      width: null,
+      width: null
     };
   }
 
@@ -183,7 +183,7 @@ export class CursorRenderLayer extends BaseRenderLayer {
         y: null,
         isFocused: null,
         style: null,
-        width: null,
+        width: null
       };
     }
   }

tslint.json

@@ -43,6 +43,18 @@
       true,
       "always"
     ],
+    "trailing-comma": [
+      true,
+      {
+        "multiline": {
+          "objects": "never",
+          "arrays": "never",
+          "functions": "never",
+          "typeLiterals": "ignore"
+        },
+        "esSpecCompliant": true
+      }
+    ],
     "triple-equals": [
       true,
       "allow-null-check"