Do not match the projects root folder name with ignored folders (#263)

Also: ignore eslint related dependencies and config.
For: https://shiftleftinc.atlassian.net/browse/SEN-670

src/main/scala/io/shiftleft/js2cpg/io/PathFilter.scala

@@ -29,6 +29,7 @@ case class PathFilter(
   private def filterDir(dir: Path): FilterResult = {
     val relDir = rootPath.relativize(dir)
     Paths.get(dir.toString.replace(rootPath.toString, projectDir)) match {
+      case dirPath if dirPath.toString == projectDir => Accepted()
       case dirPath
           if IGNORED_FOLDERS_REGEX.exists(_.matches(File(dirPath).name)) &&
             !acceptFromNodeModulesFolder(dirPath) =>

src/main/scala/io/shiftleft/js2cpg/parser/PackageJsonParser.scala

@@ -27,6 +27,7 @@ object PackageJsonParser {
   val YARN_LOCK_FILENAME: String      = "yarn.lock"
   val YARN_LOCK_FILENAME_BAK: String  = "yarn.lock.bak"
   val WEBPACK_CONFIG_FILENAME: String = "webpack.config.js"
+  val ES_LINT_RC_FILENAME: String     = ".eslintrc.js"
 
   val PROJECT_CONFIG_FILES: List[String] = List(
     JSON_LOCK_FILENAME,
@@ -36,7 +37,8 @@ object PackageJsonParser {
     PNPM_WS_FILENAME,
     NPM_SHRINKWRAP_FILENAME,
     WEBPACK_CONFIG_FILENAME,
-    ANGULAR_JSON_FILENAME
+    ANGULAR_JSON_FILENAME,
+    ES_LINT_RC_FILENAME
   )
 
   val PROJECT_DEPENDENCIES: Seq[String] = Seq(

src/main/scala/io/shiftleft/js2cpg/preprocessing/TranspilationRunner.scala

@@ -24,7 +24,7 @@ class TranspilationRunner(projectPath: Path, tmpTranspileDir: Path, config: Conf
 
   private val transpilers: Seq[Transpiler] = createTranspilers()
 
-  private val DEPS_TO_KEEP: List[String] = List("@vue", "vue", "nuxt", "eslint", "@typescript-eslint")
+  private val DEPS_TO_KEEP: List[String] = List("@vue", "vue", "nuxt")
 
   private def createTranspilers(): Seq[Transpiler] = {
     // We always run the following transpilers by default when not stated otherwise in the Config.
@@ -115,6 +115,9 @@ class TranspilationRunner(projectPath: Path, tmpTranspileDir: Path, config: Conf
     }
   }
 
+  private def shouldKeepDependency(dep: String): Boolean =
+    DEPS_TO_KEEP.exists(dep.startsWith) && !dep.contains("eslint")
+
   private def withTemporaryPackageJson(workUnit: () => Unit): Unit = {
     val packageJson = File(projectPath) / PackageJsonParser.PACKAGE_JSON_FILENAME
     if (config.optimizeDependencies && packageJson.exists) {
@@ -138,11 +141,11 @@ class TranspilationRunner(projectPath: Path, tmpTranspileDir: Path, config: Conf
               .fieldNames()
               .asScala
               .toSet
-              .filterNot(f => DEPS_TO_KEEP.exists(f.startsWith))
+              .filterNot(shouldKeepDependency)
             fieldsToRemove.foreach(depNode.remove)
           case Some(depNode: ArrayNode) =>
             val allFields         = depNode.elements().asScala.toSet
-            val fieldsToRemove    = allFields.filterNot(f => DEPS_TO_KEEP.exists(f.asText().startsWith))
+            val fieldsToRemove    = allFields.filterNot(f => shouldKeepDependency(f.asText()))
             val remainingElements = allFields -- fieldsToRemove
             depNode.removeAll()
             remainingElements.foreach(depNode.add)

src/main/scala/io/shiftleft/js2cpg/preprocessing/TypescriptTranspiler.scala

@@ -72,9 +72,9 @@ class TypescriptTranspiler(override val config: Config, override val projectPath
   }
 
   private def createCustomTsConfigFile(): Try[File] = {
-    val customTsConfigFilePath = (File(projectPath) / "tsconfig.json").path
+    val tsConfigFilePath = (File(projectPath) / "tsconfig.json").path
     Try {
-      val content = IOUtils.readLinesInFile(customTsConfigFilePath).mkString("\n")
+      val content = IOUtils.readLinesInFile(tsConfigFilePath).mkString("\n")
       val mapper  = new ObjectMapper()
       val json    = mapper.readTree(PackageJsonParser.removeComments(content))
       Option(json.get("compilerOptions")).foreach { options =>
@@ -84,10 +84,7 @@ class TypescriptTranspiler(override val config: Config, override val projectPath
       }
       // --include is not available as tsc CLI argument; we set it manually:
       json.asInstanceOf[ObjectNode].putArray("include").add("**/*")
-      val customTsConfigFile =
-        File
-          .newTemporaryFile("js2cpgTsConfig", ".json", parent = Some(projectPath))
-          .deleteOnExit(swallowIOExceptions = true)
+      val customTsConfigFile = File.newTemporaryFile("js2cpgTsConfig", ".json", parent = Some(projectPath))
       customTsConfigFile.writeText(mapper.writeValueAsString(json))
     }
   }
@@ -178,6 +175,11 @@ class TypescriptTranspiler(override val config: Config, override val projectPath
 
         // ... and copy them back afterward.
         moveIgnoredDirs(tmpForIgnoredDirs, File(projectPath))
+        // ... and remove the temporary tsconfig.json
+        File(projectPath)
+          .walk(maxDepth = 1)
+          .find(_.toString().contains("js2cpgTsConfig"))
+          .foreach(_.delete(swallowIOExceptions = true))
       }
     }
     true