Implement extraction of dir and ext parts from filePath using .slice

Author: CatchingKiyoko

Sprint-1/1-key-exercises/3-paths.js

@@ -17,7 +17,14 @@ console.log(`The base part of ${filePath} is ${base}`);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-const dir = ;
-const ext = ;
+// Use the slice method to extract the dir and ext parts
+const dir = filePath.slice(0, lastSlashIndex);
+console.log(`The dir part of ${filePath} is ${dir}`);
+
+
+// Use the slice method to extract the ext part
+// The ext part is the part after the last dot in the base part
+const ext = base.slice(base.lastIndexOf(".") + 1);
+console.log(`The ext part of ${filePath} is ${ext}`);
 
 // https://www.google.com/search?q=slice+mdn