Functions: Bind passed fetch function (#3853)

(cherry picked from commit 53ccf19)
firebase · Oct 5, 2020 · b6b1fd9 · b6b1fd9
1 parent 6ff9efe
commit b6b1fd9
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Showing 3 changed files with 7 additions and 2 deletions.
diff --git a/.changeset/dirty-rings-cry.md b/.changeset/dirty-rings-cry.md
@@ -0,0 +1,5 @@
+---
+'@firebase/functions': patch
+---
+
+Fixes a bug introduced in #3782 that causes callable functions to throw an error in browser extensions.
diff --git a/packages-exp/functions-exp/src/index.ts b/packages-exp/functions-exp/src/index.ts
@@ -21,5 +21,5 @@ import { name, version } from '../package.json';
 
 export * from './api';
 
-registerFunctions(fetch);
+registerFunctions(fetch.bind(self));
 registerVersion(name, version);
diff --git a/packages/functions/index.ts b/packages/functions/index.ts
@@ -21,7 +21,7 @@ import { registerFunctions } from './src/config';
 
 import { name, version } from './package.json';
 
-registerFunctions(firebase as _FirebaseNamespace, fetch);
+registerFunctions(firebase as _FirebaseNamespace, fetch.bind(self));
 firebase.registerVersion(name, version);
 
 declare module '@firebase/app-types' {