chore: remove pkg-up dependency

package.json

@@ -71,7 +71,6 @@
     "nodemon": "^3.1.14",
     "ora": "9.4.0",
     "outdent": "0.8.0",
-    "pkg-up": "3.1.0",
     "prettier": "3.8.3",
     "prompts": "^2.4.2",
     "typescript": "5.9.3",

src/cli/commands/utils/find-package-json.ts

@@ -0,0 +1,36 @@
+import fs from 'fs/promises';
+import path from 'path';
+
+/**
+ * Find the closest package.json file by walking up from `cwd`.
+ */
+const findPackageJson = async (cwd: string): Promise<string | undefined> => {
+  let current = path.resolve(cwd);
+  const { root } = path.parse(current);
+
+  while (current !== root) {
+    const candidate = path.join(current, 'package.json');
+
+    try {
+      await fs.access(candidate);
+
+      return candidate;
+    } catch {
+      // Continue searching in the parent directory.
+    }
+
+    current = path.dirname(current);
+  }
+
+  const rootCandidate = path.join(root, 'package.json');
+
+  try {
+    await fs.access(rootCandidate);
+
+    return rootCandidate;
+  } catch {
+    return undefined;
+  }
+};
+
+export { findPackageJson };

src/cli/commands/utils/pkg.ts

@@ -1,9 +1,10 @@
 import chalk from 'chalk';
 import fs from 'fs/promises';
 import os from 'os';
-import pkgUp from 'pkg-up';
 import * as yup from 'yup';
 
+import { findPackageJson } from './find-package-json';
+
 import type { Logger } from './logger';
 
 interface Export {
@@ -64,7 +65,7 @@ const packageJsonSchema = yup.object({
  * the process will throw with an appropriate error message.
  */
 const loadPkg = async ({ cwd, logger }: { cwd: string; logger: Logger }): Promise<object> => {
-  const pkgPath = await pkgUp({ cwd });
+  const pkgPath = await findPackageJson(cwd);
 
   if (!pkgPath) {
     throw new Error('Could not find a package.json in the current directory');

src/cli/commands/utils/validation/pkg-loader.ts

@@ -7,9 +7,10 @@
 import chalk from 'chalk';
 import fs from 'fs/promises';
 import os from 'os';
-import pkgUp from 'pkg-up';
 import * as yup from 'yup';
 
+import { findPackageJson } from '../find-package-json';
+
 import type { Export } from './types';
 
 const record = (value: unknown) =>
@@ -161,7 +162,7 @@ export const loadPkg = async ({
   cwd: string;
   logger: Logger;
 }): Promise<object> => {
-  const pkgPath = await pkgUp({ cwd });
+  const pkgPath = await findPackageJson(cwd);
 
   if (!pkgPath) {
     throw new Error('Could not find a package.json in the current directory');