Improve naming in new package manager abstraction, fix scripted test

Author: ptrdom

sbt-scalajs-bundler/src/main/scala/scalajsbundler/ExternalCommand.scala renamed to sbt-scalajs-bundler/src/main/scala/scalajsbundler/PackageManager.scala

@@ -11,15 +11,15 @@ import scalajsbundler.util.JSON
   *
   * @param name Name of the command to run
   */
-abstract class PackageManager(val name: String, val args: Seq[String], val installCommand: String) {
+abstract class PackageManager(val name: String, val installCommand: String, val installArgs: Seq[String]) {
 
   /**
     * Runs the command `cmd`
     * @param args Command arguments
     * @param workingDir Working directory of the process
     * @param logger Logger
     */
-  def run(args: String*)(workingDir: File, logger: Logger): Unit =
+  protected def run(args: String*)(workingDir: File, logger: Logger): Unit =
     Commands.run(cmd ++: args, workingDir, logger)
 
   private val cmd = sys.props("os.name").toLowerCase match {
@@ -37,7 +37,7 @@ abstract class PackageManager(val name: String, val args: Seq[String], val insta
         ()
     }
 
-    run(installCommand +: args: _*)(installDir, logger)
+    run(installCommand +: installArgs: _*)(installDir, logger)
 
     this match {
       case lfs: LockFileSupport =>
@@ -53,6 +53,7 @@ abstract class PackageManager(val name: String, val args: Seq[String], val insta
 trait AddPackagesSupport { this: PackageManager =>
 
   val addPackagesCommand: String
+  val addPackagesArgs: Seq[String]
 
   /**
     * Locally install NPM packages
@@ -73,7 +74,7 @@ trait AddPackagesSupport { this: PackageManager =>
         ()
     }
 
-    run(addPackagesCommand +: (args ++ npmPackages): _*)(installDir, logger)
+    run(addPackagesCommand +: (addPackagesArgs ++ npmPackages): _*)(installDir, logger)
 
     this match {
       case lfs: LockFileSupport  =>
@@ -118,9 +119,11 @@ trait LockFileSupport {
 
 case class Npm(
     lockFileName: String = "package-lock.json",
-    override val args: Seq[String] = Seq.empty,
-    addPackagesCommand: String = "install"
-) extends PackageManager("npm", args, "install")
+    override val installCommand: String = "install",
+    override val installArgs: Seq[String] = Seq.empty,
+    addPackagesCommand: String = "install",
+    override val addPackagesArgs: Seq[String] = Seq.empty,
+) extends PackageManager("npm", "install", installArgs)
     with LockFileSupport
     with AddPackagesSupport {
   override val packageJsonContents: Map[String, JSON] = Map.empty
@@ -129,9 +132,13 @@ case class Npm(
 case class Yarn(
     version: String,
     lockFileName: String = "yarn.lock",
-    override val args: Seq[String] = Yarn.DefaultArgs,
-    addPackagesCommand: String = "add") extends PackageManager("yarn", args, "install")
-    with LockFileSupport with AddPackagesSupport {
+    override val installCommand: String = "install",
+    override val installArgs: Seq[String] = Yarn.DefaultArgs,
+    addPackagesCommand: String = "add",
+    override val addPackagesArgs: Seq[String] = Yarn.DefaultArgs
+) extends PackageManager("yarn", "install", installArgs)
+    with LockFileSupport
+    with AddPackagesSupport {
   override val packageJsonContents: Map[String, JSON] = Map("packageManager" -> JSON.str(s"yarn@$version"))
 }
 object Yarn {

sbt-scalajs-bundler/src/main/scala/scalajsbundler/sbtplugin/ScalaJSBundlerPlugin.scala

@@ -6,10 +6,8 @@ import sbt.Keys._
 import sbt.{Def, _}
 import scalajsbundler.AddPackagesSupport
 import scalajsbundler.{BundlerFile, NpmDependencies, Webpack, WebpackDevServer}
-import scalajsbundler.ExternalCommand.addPackages
 import scalajsbundler.Npm
 import scalajsbundler.PackageManager
-import scalajsbundler.Yarn
 import scalajsbundler.util.{JSON, ScalaJSNativeLibraries}
 
 

sbt-scalajs-bundler/src/sbt-test/sbt-scalajs-bundler/additonalNpmConfig/build.sbt

@@ -1,4 +1,5 @@
 import scalajsbundler.util.JSON._
+import scalajsbundler.Npm
 
 val checkPackageJson = taskKey[Unit]("Check that the package.json file does not contain duplicate entries for the 'react' dependency")
 
@@ -8,7 +9,7 @@ lazy val npmConfig =
     .settings(
       scalaVersion := "2.13.1",
       npmDependencies in Compile += "react" -> "16.13.1",
-      npmExtraArgs in Compile := Seq("-silent"),
+      packageManager in Compile := Npm(installArgs = Seq("-silent"), addPackagesArgs = Seq("-silent")),
       additionalNpmConfig in Compile := Map(
         "name" -> str("foo"),
         "version" -> str("1.0.0"),