Fixes type error and adds CI

Author: lnbc1QWFyb24

.circleci/config.yml

@@ -185,6 +185,12 @@ jobs:
     working_directory: ~/web3-onboard-monorepo/packages/react
     steps:
       - node-build-steps
+  build-magic:
+    docker:
+      - image: cimg/node:16.13.1
+    working_directory: ~/web3-onboard-monorepo/packages/magic
+    steps:
+      - node-build-steps
 
 workflows:
   version: 2
@@ -249,3 +255,7 @@ workflows:
     jobs:
       - build-react:
           <<: *deploy_production_filters
+  magic:
+    jobs:
+      - build-magic:
+          <<: *deploy_production_filters

packages/magic/src/login-modal.ts

@@ -22,9 +22,8 @@ const loginModal = async (options: LoginOptions): Promise<boolean> => {
 
   loggedIn$.pipe(take(1)).subscribe(() => {
     app.$destroy()
-    document.body.removeChild(
-      document.body.querySelector('onboard-magic-login-modal')
-    )
+    const modalEl = document.body.querySelector('onboard-magic-login-modal')
+    modalEl && document.body.removeChild(modalEl)
   })
 
   return firstValueFrom(loggedIn$)