scala-js: install npm CI action

Author: aslesarenko

.github/workflows/ci.yml

@@ -66,12 +66,18 @@ jobs:
         os: [ubuntu-latest]
         scala: [2.13.8, 2.12.15]
         java: [[email protected]]
+        node-version: [16.x]
     runs-on: ${{ matrix.os }}
     steps:
-      - name: Checkout current branch (full)
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v2
+
+      - name: Setup NPM
+        uses: pnpm/action-setup@v2
         with:
-          fetch-depth: 0
+          version: 7.21.0
+          node-version: ${{ matrix.node-version }}
+          cache: "pnpm"
+      - run: pnpm install
 
       - name: Setup Java and Scala
         uses: olafurpg/setup-scala@v10

build.sbt

@@ -73,10 +73,9 @@ lazy val scryptoJS = scrypto.js
       ),
       Test / parallelExecution := false,
       // how to setup ScalablyTyped https://youtu.be/hWUAVrNj65c?t=1397
-      externalNpm := { println(s"baseDirectory: ${baseDirectory.value}"); file(s"${baseDirectory.value}/..") },
+      externalNpm := { file(s"${baseDirectory.value}/..") },
       Compile / npmDependencies ++= Seq(
-        "@noble/hashes" -> "^1.1.4",
-        "typescript" -> "^4.9.4"
+        "@noble/hashes" -> "^1.1.4"
       ),
       useYarn := true
     )