Check if charMeasure is defined in headless mode

xtermjs · Apr 12, 2018 · 5bccc5e · 5bccc5e
1 parent 591b09a
commit 5bccc5e
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/Terminal.ts b/src/Terminal.ts
@@ -1927,8 +1927,10 @@ export class Terminal extends EventEmitter implements ITerminal, IInputHandlingT
 
     if (x === this.cols && y === this.rows) {
       // Check if we still need to measure the char size (fixes #785).
-      if (!this.charMeasure.width || !this.charMeasure.height) {
-        this.charMeasure.measure(this.options);
+      if (this.charMeasure) {
+        if (!this.charMeasure.width || !this.charMeasure.height) {
+          this.charMeasure.measure(this.options);
+        }
       }
       return;
     }