Add npm install step to ci

Author: armanbilge

.github/workflows/ci.yml

@@ -222,6 +222,8 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
+      - run: npm install
+
       - run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.JSDOM'' coverage test coverageAggregate'
 
       - run: 'bash <(curl -s https://codecov.io/bash)'

build.sbt

@@ -30,6 +30,7 @@ ThisBuild / githubWorkflowAddedJobs +=
       ++ WorkflowStep.SetupJava(githubWorkflowJavaVersions.value.toList)
       ++ githubWorkflowGeneratedCacheSteps.value
       ++ List(
+        WorkflowStep.Run(List("npm install")),
         WorkflowStep.Sbt(
           List(
             "set Global / useJSEnv := JSEnv.JSDOM",