Fix Failing tests with TsConfig

packages/inbound-email-handler/tsconfig.json

@@ -1,9 +1,18 @@
 {
-  "extends": "@tsconfig/node14/tsconfig.json",
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Node 14",
   "compilerOptions": {
     "outDir": "build",
     "rootDir": ".",
-    "lib": ["dom"]
+    "lib": ["dom", "es2020"],
+    "module": "commonjs",
+    "target": "es2020",
+
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "moduleResolution": "node"
   },
   "include": ["src"]
 }

packages/pdf-handler/package.json

@@ -25,8 +25,7 @@
     "@types/node": "^14.11.2",
     "chai": "^4.3.6",
     "chai-string": "^1.5.0",
-    "mocha": "^10.0.0",
-    "@tsconfig/node14": "^1.0.1"
+    "mocha": "^10.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "3.1.2",

packages/pdf-handler/tsconfig.json

@@ -1,14 +1,18 @@
 {
-  "extends": "@tsconfig/node14/tsconfig.json",
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Node 14",
   "compilerOptions": {
     "outDir": "build",
     "rootDir": ".",
-    "lib": ["dom"],
+    "lib": ["dom", "es2020"],
+    "module": "commonjs",
+    "target": "es2020",
     "noImplicitAny": false,
     "strict": true,
     "esModuleInterop": true,
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
+    "moduleResolution": "node"
   },
   "include": ["src"]
 }