feat: add first 2 actions

package.json

@@ -11,6 +11,7 @@
     "rtb": "./dist/cli.js"
   },
   "imports": {
+    "#commands/*": "./dist/commands/*.js",
     "#lib/*": "./dist/lib/*.js",
     "#root/*": "./dist/*.js"
   },

src/cli.ts

@@ -1,5 +1,7 @@
 #!/usr/bin/env node
 
+import { cleanDist } from '#commands/clean-dist';
+import { cleanExtraneousTypes } from '#commands/clean-extraneous-types';
 import { cliRootDir, indent, packageCwd } from '#lib/constants';
 import { logVerboseError, logVerboseInfo } from '#lib/logVerbose';
 import { parseOptionsFile } from '#lib/optionsParser';
@@ -13,9 +15,6 @@ import { URL } from 'url';
 const packageFile = new URL('package.json', cliRootDir);
 const packageJson = JSON.parse(await readFile(packageFile, 'utf-8'));
 
-/**
- * TODO: --config
- */
 const command = new Command()
   .version(packageJson.version)
   .requiredOption('-d, --dist <dist>', 'The dist directory to target')
@@ -65,3 +64,13 @@ if (!distPathExistsInCwd) {
     exitAfterLog: true
   });
 }
+
+/**
+ * Clean the dist directory
+ */
+cleanDist(options);
+
+/**
+ * Cleans extraneous types from the dist directory
+ */
+cleanExtraneousTypes(options);

src/commands/clean-dist.ts

@@ -0,0 +1,10 @@
+import { rm } from 'fs/promises';
+import type { Options } from '#lib/interfaces';
+
+/**
+ * Removes the `dist` directory ahead of rebuilding code to ensure a clean build
+ * @param options The options that tell this function where to clean up
+ */
+export async function cleanDist(options: Options): Promise<void> {
+  await rm(options.dist, { recursive: true, force: true });
+}

src/commands/clean-extraneous-types.ts

@@ -0,0 +1,46 @@
+import type { Options } from '#lib/interfaces';
+import { logVerboseError } from '#lib/logVerbose';
+import { opendir, rm } from 'fs/promises';
+import { join, sep } from 'path';
+import { fileURLToPath, URL } from 'url';
+
+/**
+ * Scans a given {@link path} applying the {@link cb} filter
+ * @param path The path to scan
+ * @param cb The callback to apply to filter files in the {@link path}
+ */
+async function* scan(path: URL | string, cb: (path: string) => boolean): AsyncGenerator<string> {
+  const dir = await opendir(typeof path === 'string' ? path : fileURLToPath(path));
+
+  for await (const item of dir) {
+    const file = join(dir.path, item.name);
+    if (item.isFile()) {
+      if (cb(file)) yield file;
+    } else if (item.isDirectory()) {
+      yield* scan(file, cb);
+    }
+  }
+}
+
+/**
+ * Cleans up the extraneous types from the `dist` folder after bundling all the types into the root `index.d.ts`
+ * @param options The options that tell this function where to clean up
+ */
+export async function cleanExtraneousTypes(options: Options) {
+  try {
+    const regexp = /(?:\.d\.ts(?:\.map)?|\.tsbuildinfo)$/;
+    const cb = (path: string) => regexp.test(path);
+
+    for await (const path of scan(options.dist, cb)) {
+      if (!path.endsWith(`dist${sep}index.d.ts`)) {
+        await rm(path);
+      }
+    }
+  } catch (err) {
+    logVerboseError({
+      text: ['An error occurred while removing one or more of the extraneous types from the `dist` directory', 'Please remove them manually'],
+      verbose: options.verbose,
+      verboseText: ['I was scanning this dist path: ', options.dist.toString(), 'Furthermore, the exact error that occurred is: ', err]
+    });
+  }
+}

src/tsconfig.json

@@ -7,6 +7,7 @@
     "preserveConstEnums": true,
     "baseUrl": ".",
     "paths": {
+      "#commands/*": ["commands/*"],
       "#lib/*": ["./lib/*"],
       "#root/*": ["*"]
     }