Build: Point source maps online only when running from CI

.github/workflows/release.yml

@@ -5,6 +5,9 @@ on:
     branches: [publish]
     tags: ["*"]
 
+env:
+  CI: true
+
 jobs:
   publish:
     runs-on: ubuntu-22.04

.github/workflows/test.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ '**' ]
 
+env:
+  CI: true
+
 jobs:
   build:
     runs-on: ubuntu-latest

build.sbt

@@ -61,7 +61,7 @@ lazy val jsSettings = Seq(
     "com.raquo" %%% "airstream" % Versions.Airstream,
     "com.raquo" %%% "laminar" % Versions.Laminar % Test
   ),
-  scalacOptions += {
+  scalacOptions ++= sys.env.get("CI").map { _ =>
     val localSourcesPath = baseDirectory.value.toURI
     val remoteSourcesPath = s"https://raw.githubusercontent.com/raquo/Waypoint/${git.gitHeadCommit.value.get}/"
     val sourcesOptionName = if (scalaVersion.value.startsWith("2.")) "-P:scalajs:mapSourceURI" else "-scalajs-mapSourceURI"