Build / tests with GHCJS

.github/workflows/main.yml

@@ -130,8 +130,33 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Install ghcjs
+    - name: Install ghcjs and tools
       run: |
         sudo add-apt-repository ppa:hvr/ghcjs
         sudo apt-get update -y
         sudo apt-get install ghcjs-8.4
+        sudo apt-get install cabal-install
+        cabal --version
+        # Override cabal.project with the lightweight GHCJS one
+        cp cabal.ghcjs.project cabal.project
+        cat cabal.project
+
+        export PATH=/opt/ghcjs/8.4.4/bin:$PATH
+        export PATH="$HOME/.cabal/bin:$PATH"
+        cabal v2-update
+        ls /opt
+        ls /opt/ghcjs/8.4/bin
+        # cabal v2-install --ghcjs -w /opt/ghcjs/8.4/bin/ghcjs --ignore-project hspec-discover
+        cabal v2-install -w /opt/ghc/8.4.4/bin/ghc --ignore-project cabal-plan --constraint='cabal-plan ^>=0.6.0.0' --constraint='cabal-plan +exe'
+        cabal v2-install -w /opt/ghc/8.4.4/bin/ghc --ignore-project hspec-discover
+
+    - name: Build
+      run: |
+        export PATH=/opt/ghcjs/8.4.4/bin:$PATH
+        export PATH="$HOME/.cabal/bin:$PATH"
+        cabal v2-build --ghcjs -w /opt/ghcjs/8.4/bin/ghcjs --enable-tests --enable-benchmarks all
+
+    - name: Run tests
+      run: |
+        export PATH="$HOME/.cabal/bin:$PATH"
+        cabal-plan list-bins '*:test:*' | while read -r line; do testpkg=$(echo "$line" | perl -pe 's/:.*//'); testexe=$(echo "$line" | awk '{ print $2 }'); echo "testing $textexe in package $textpkg"; (cd "$(pkgdir $testpkg)" && nodejs "$testexe".jsexe/all.js); done

cabal.ghcjs.project

@@ -3,7 +3,6 @@
 packages:
   servant/
   servant-client-core/
-  servant-jsaddle/
 
 -- we need to tell cabal we are using GHCJS
 compiler: ghcjs