ci: add packaging test workflow and fix unit tests for esModuleInterop

Author: taeold

spec/common/config.spec.ts

@@ -21,8 +21,7 @@
 // SOFTWARE.
 
 import { expect } from "chai";
-import * as fs from "fs";
-import * as process from "process";
+import fs from "fs";
 import * as sinon from "sinon";
 
 import { firebaseConfig, resetCache } from "../../src/common/config";

spec/fixtures/mockrequest.ts

@@ -1,8 +1,8 @@
 import { EventEmitter } from 'node:stream';
 
-import * as jwt from 'jsonwebtoken';
-import * as jwkToPem from 'jwk-to-pem';
-import * as nock from 'nock';
+import jwt from 'jsonwebtoken';
+import jwkToPem from 'jwk-to-pem';
+import nock from 'nock';
 import * as mockJWK from '../fixtures/credential/jwk.json';
 import * as mockKey from '../fixtures/credential/key.json';
 

src/common/config.ts

@@ -1,5 +1,5 @@
 import { AppOptions } from "firebase-admin/app";
-import { readFileSync } from "fs";
+import fs from "fs";
 import * as path from "path";
 
 import * as logger from "../logger";
@@ -29,7 +29,7 @@ export function firebaseConfig(): AppOptions | null {
     // explicitly state that the user can set the env to a file:
     // https://firebase.google.com/docs/admin/setup#initialize-without-parameters
     if (!env.startsWith("{")) {
-      env = readFileSync(path.join(process.env.PWD, env)).toString("utf8");
+      env = fs.readFileSync(path.join(process.env.PWD, env)).toString("utf8");
     }
 
     cache = JSON.parse(env);

tsconfig.release.json

@@ -9,6 +9,7 @@
     "stripInternal": true,
     "target": "es2022",
     "useDefineForClassFields": false,
+    "esModuleInterop": true,
     "typeRoots": ["./node_modules/@types"]
   },
   "files": [