Squashed commit of the following:

commit 0c83612
Merge: 2c0d135 5cbdece
Author: Freya Gentz <zegentzy@protonmail.com>
Date:   Thu Dec 19 18:04:18 2019 -0700

    Merge pull request #4 from goddessfreya/Add-Github-actions

    Add Github actions

commit 5cbdece
Author: Freya Gentz <zegentzy@protonmail.com>
Date:   Thu Dec 19 18:01:01 2019 -0700

    Delete appveyor.yml

commit 4ddcbd3
Author: Freya Gentz <zegentzy@protonmail.com>
Date:   Thu Dec 19 18:00:49 2019 -0700

    Delete .travis.yml

commit c6f6c63
Author: Freya Gentz <zegentzy@protonmail.com>
Date:   Thu Dec 19 17:57:45 2019 -0700

    Update nodejs.yml

commit 84bccbd
Author: Freya Gentz <zegentzy@protonmail.com>
Date:   Thu Dec 19 17:55:23 2019 -0700

    Update nodejs.yml

commit f6720ea
Author: Freya Gentz <zegentzy@protonmail.com>
Date:   Thu Dec 19 17:50:59 2019 -0700

    Update nodejs.yml

commit 514a3f9
Author: Freya Gentz <zegentzy@protonmail.com>
Date:   Thu Dec 19 17:31:31 2019 -0700

    Add Github actions

Signed-off-by: Freya Gentz <zegentzy@protonmail.com>

Author: goddessfreya

.github/workflows/nodejs.yml

@@ -0,0 +1,31 @@
+name: Node CI
+
+on: [push]
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [8.x, 10.x, 12.x]
+        platform: 
+          - { os: windows-latest, hunspell: true }
+          - { os: windows-latest }
+          - { os: macos-latest, hunspell: true }  
+          - { os: macos-latest }  
+          - { os: ubuntu-latest }
+
+    runs-on: ${{ matrix.platform.os }}
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: npm install, build, and test
+      run: |
+        npm install
+        npm test
+      env:
+        SPELLCHECKER_PREFER_HUNSPELL: ${{ matrix.platform.hunspell }}

.travis.yml

@@ -53,5 +53,6 @@ void CheckSpellingWorker::HandleOKCallback() {
   }
 
   Local<Value> argv[] = { Nan::Null(), result };
-  callback->Call(2, argv);
+  Nan::AsyncResource resource("CheckSpellingWorker::HandleOKCallback");
+  callback->Call(2, argv, &resource);
 }