Rewrite in TypeScript

Resolve #18

Author: vladshcherbin

.babelrc.js

@@ -9,7 +9,7 @@
   "types": "index.d.ts",
   "scripts": {
     "clean": "rimraf coverage dist",
-    "build": "rollup -c",
+    "build": "tsc",
     "lint": "eslint src tests",
     "postpublish": "yarn clean",
     "prepublishOnly": "yarn lint && yarn test && yarn clean && yarn build",

index.d.ts

@@ -0,0 +1,70 @@
+import { deleteAsync, type Options as DelOptions } from 'del'
+import type { AsyncPluginHooks, Plugin } from 'rollup'
+
+export interface Options extends DelOptions {
+  /**
+   * Rollup hook the plugin should use.
+   * @default 'buildStart'
+   * end
+   */
+  readonly hook?: AsyncPluginHooks
+
+  /**
+   * Delete items once. Useful in watch mode.
+   * @default false
+   */
+  readonly runOnce?: boolean
+
+  /**
+   * Patterns of files and folders to be deleted.
+   * @default []
+   */
+  readonly targets?: readonly string[] | string
+
+  /**
+   * Outputs removed files and folders to console.
+   * @default false
+   */
+  readonly verbose?: boolean
+}
+
+export default function del(options: Options = {}): Plugin {
+  const {
+    hook = 'buildStart',
+    runOnce = false,
+    targets = [],
+    verbose = false,
+    ...delOptions
+  } = options
+
+  let deleted = false
+
+  return {
+    name: 'delete',
+    // eslint-disable-next-line perfectionist/sort-objects
+    [hook]: async () => {
+      if (runOnce && deleted) {
+        return
+      }
+
+      const paths = await deleteAsync(targets, delOptions)
+
+      if (verbose || delOptions.dryRun) {
+        const message = delOptions.dryRun
+          ? `Expected files and folders to be deleted: ${paths.length}`
+          : `Deleted files and folders: ${paths.length}`
+
+        console.log(message)
+
+        if (paths.length) {
+          paths.forEach((path) => {
+            console.log(path)
+          })
+        }
+      }
+
+      // eslint-disable-next-line require-atomic-updates
+      deleted = true
+    }
+  }
+}

package.json

@@ -0,0 +1,10 @@
+{
+  "extends": "@tsconfig/node18",
+  "compilerOptions": {
+    "declaration": true,
+    "noImplicitReturns": true,
+    "outDir": "dist",
+    "verbatimModuleSyntax": true
+  },
+  "include": ["src"]
+}