chore: Add cleanup comments

lib/index.mjs

@@ -38,7 +38,7 @@ const ensureTsconfig = async (tsconfigFile) =>
     if (!(await pathExists(tsconfig)))
     {
         // eslint-disable-next-line no-console
-        console.log(chalk.red(`${prefix} Error: TypeScript configuration file "${tsconfigFile}"`
+        console.log(chalk.red(`${prefix} Error: TypeScript configuration file "${path.basename(tsconfig)}"`
             + ` not found but is required for linting and building.`));
 
         process.exit(1);
@@ -47,7 +47,11 @@ const ensureTsconfig = async (tsconfigFile) =>
     return tsconfig;
 };
 
-/** Wrapper for using typescript's CLI */
+/**
+ * Wrapper for using typescript's CLI
+ * @param {string} tsconfigFile Optional absolute path to the tsconfig file
+ *
+ */
 const tsc = async (tsconfigFile, ...args) =>
     spawn('tsc', ['-p', await ensureTsconfig(tsconfigFile), ...args]);
 
@@ -92,11 +96,14 @@ const test = async (additionalArgs) =>
     ]);
 };
 
-/** Export the types */
+/** Generate the types into the lib folder */
 const bundleTypes = async () =>
 {
-    let tsconfigTypesFile = extensionConfig.tsconfigTypes;
+    let tsconfigTypesFile = extensionConfig.tsconfigTypes
+        ? path.join(process.cwd(), extensionConfig.tsconfigTypes) : null;
 
+    // If no tsconfig types file is defined, we will create one
+    // based on the current tsconfig.json file
     if (!tsconfigTypesFile)
     {
         const tsconfigFile = await ensureTsconfig();
@@ -108,10 +115,15 @@ const bundleTypes = async () =>
             ...config,
             compilerOptions: {
                 ...config.compilerOptions,
+                // Just emit the declaration files only
                 declaration: true,
                 emitDeclarationOnly: true,
                 outDir: './lib',
+                // make sure we exclude anything, such as scripts,
+                // outside of the src folder to avoid lib/src/index.d.ts
+                rootDir: './src',
             },
+            // Make sure to exclude any Jest test files
             exclude: ['**/*.test.ts']
         }, null, 2), 'utf8');
     }
@@ -122,6 +134,7 @@ const bundleTypes = async () =>
     }
     finally
     {
+        // Clean up if the tsconfig file was generated
         if (!extensionConfig.tsconfigTypes)
         {
             await promises.unlink(tsconfigTypesFile);