chore: update deps and use isEmptyDir from utils

package.json

@@ -24,20 +24,20 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@actions/core": "^1.6.0",
-    "@google-github-actions/actions-utils": "^0.1.1"
+    "@google-github-actions/actions-utils": "^0.1.2"
   },
   "devDependencies": {
     "@types/chai": "^4.3.0",
     "@types/mocha": "^9.1.0",
-    "@types/node": "^17.0.10",
-    "@typescript-eslint/eslint-plugin": "^5.10.0",
-    "@typescript-eslint/parser": "^5.10.0",
+    "@types/node": "^17.0.12",
+    "@typescript-eslint/eslint-plugin": "^5.10.1",
+    "@typescript-eslint/parser": "^5.10.1",
     "@vercel/ncc": "^0.33.1",
-    "chai": "^4.3.4",
+    "chai": "^4.3.6",
     "eslint": "^8.7.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^4.0.0",
-    "mocha": "^9.1.4",
+    "mocha": "^9.2.0",
     "prettier": "^2.5.1",
     "ts-node": "^10.4.0",
     "typescript": "^4.5.5"

src/main.ts

@@ -15,6 +15,7 @@ import {
 import {
   errorMessage,
   exactlyOneOf,
+  isEmptyDir,
   isPinnedToHead,
   parseCSV,
   parseDuration,
@@ -25,7 +26,7 @@ import { WorkloadIdentityClient } from './client/workload_identity_client';
 import { CredentialsJSONClient } from './client/credentials_json_client';
 import { AuthClient } from './client/auth_client';
 import { BaseClient } from './base';
-import { buildDomainWideDelegationJWT, isEmptyDir } from './utils';
+import { buildDomainWideDelegationJWT } from './utils';
 
 const secretsWarning =
   `If you are specifying input values via GitHub secrets, ensure the secret ` +

src/utils.ts

@@ -1,7 +1,5 @@
 'use strict';
 
-import { promises as fs } from 'fs';
-
 /**
  * buildDomainWideDelegationJWT constructs an _unsigned_ JWT to be used for a
  * DWD exchange. The JWT must be signed and then exchanged with the OAuth
@@ -37,20 +35,3 @@ export function buildDomainWideDelegationJWT(
 
   return JSON.stringify(body);
 }
-
-/**
- * isEmptyDir returns true if the given directory does not exist, or exists but
- * contains no files. It also returns true if the current user does not have
- * permission to read the directory, since it is effectively empty from the
- * viewpoint of the caller.
- *
- * @param dir Path to a directory.
- */
-export async function isEmptyDir(dir: string): Promise<boolean> {
-  try {
-    const files = await fs.readdir(dir);
-    return files.length <= 0;
-  } catch (e) {
-    return true;
-  }
-}

tests/utils.test.ts

@@ -3,9 +3,7 @@
 import 'mocha';
 import { expect } from 'chai';
 
-import { tmpdir } from 'os';
-
-import { buildDomainWideDelegationJWT, isEmptyDir } from '../src/utils';
+import { buildDomainWideDelegationJWT } from '../src/utils';
 
 describe('Utils', () => {
   describe('#buildDomainWideDelegationJWT', () => {
@@ -56,26 +54,4 @@ describe('Utils', () => {
       });
     });
   });
-
-  describe('#isEmptyDir', async () => {
-    const cases = [
-      {
-        name: 'non-existent dir',
-        dir: '/this/path/definitely/does/not/exist',
-        exp: true,
-      },
-      {
-        name: 'exists',
-        dir: tmpdir(),
-        exp: false,
-      },
-    ];
-
-    cases.forEach((tc) => {
-      it(tc.name, async () => {
-        const isEmpty = await isEmptyDir(tc.dir);
-        expect(isEmpty).to.eq(tc.exp);
-      });
-    });
-  });
 });