Merge pull request #4553 from Tyriar/v5_2_1

v5.2.1

package.json

@@ -1,7 +1,7 @@
 {
   "name": "xterm",
   "description": "Full xterm terminal, in your browser",
-  "version": "5.2.0",
+  "version": "5.2.1",
   "main": "lib/xterm.js",
   "style": "css/xterm.css",
   "types": "typings/xterm.d.ts",

src/common/InputHandler.ts

@@ -1152,10 +1152,12 @@ export class InputHandler extends Disposable implements IInputHandler {
    * @param y row index
    */
   private _resetBufferLine(y: number, respectProtect: boolean = false): void {
-    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
-    line.fill(this._activeBuffer.getNullCell(this._eraseAttrData()), respectProtect);
-    this._bufferService.buffer.clearMarkers(this._activeBuffer.ybase + y);
-    line.isWrapped = false;
+    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y);
+    if (line) {
+      line.fill(this._activeBuffer.getNullCell(this._eraseAttrData()), respectProtect);
+      this._bufferService.buffer.clearMarkers(this._activeBuffer.ybase + y);
+      line.isWrapped = false;
+    }
   }
 
   /**

src/common/services/OptionsService.ts

@@ -178,12 +178,16 @@ export class OptionsService extends Disposable implements IOptionsService {
         if (value <= 0) {
           throw new Error(`${key} cannot be less than or equal to 0, value: ${value}`);
         }
+        break;
       case 'rows':
       case 'cols':
         if (!value && value !== 0) {
           throw new Error(`${key} must be numeric, value: ${value}`);
         }
         break;
+      case 'windowsPty':
+        value = value ?? {};
+        break;
     }
     return value;
   }