Bind clock methods to global thisArg.

Fixes #1703
statelyai · Dec 7, 2020 · 8a8cfa3 · 8a8cfa3
1 parent cd711ba
commit 8a8cfa3
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diff --git a/.changeset/tall-apes-tickle.md b/.changeset/tall-apes-tickle.md
@@ -0,0 +1,5 @@
+---
+'xstate': patch
+---
+
+The `clock` methods (`setTimeout`, `clearTimeout`) are now properly bound to the `global` scope internally (fixes #1703)
diff --git a/packages/core/src/interpreter.ts b/packages/core/src/interpreter.ts
@@ -124,10 +124,10 @@ export class Interpreter<
     deferEvents: true,
     clock: {
       setTimeout: (fn, ms) => {
-        return global.setTimeout.call(null, fn, ms);
+        return global.setTimeout.call(global, fn, ms);
       },
       clearTimeout: (id) => {
-        return global.clearTimeout.call(null, id);
+        return global.clearTimeout.call(global, id);
       }
     },
     logger: global.console.log.bind(console),