TypeScript errors on Firebase Admin v12.0.0 #2438
Description
After update to firebase admin 12.0.0. we are unable to build any of our Firebase functions projects. We don't have problems on 11.11.1. As reported here on the forums #2411
The typescript errors come from inside the firebase libraries.
Env:
- Node 20
- Windows & Mac
- TypeScript 5.3.3
../../node_modules/firebase-functions/lib/common/providers/database.d.ts:80:5 - error TS2416: Property 'child' in type 'DataSnapshot' is not assignable to the same property in base type 'DataSnapshot'.
Type '(childPath: string) => DataSnapshot' is not assignable to type '(path: string) => DataSnapshot'.
Call signature return types 'DataSnapshot' and 'DataSnapshot' are incompatible.
The types of 'forEach' are incompatible between these types.
Type '(action: (a: DataSnapshot) => boolean | void) => boolean' is not assignable to type '(action: (a: IteratedDataSnapshot) => boolean | void) => boolean'.
Types of parameters 'action' and 'action' are incompatible.
Types of parameters 'a' and 'a' are incompatible.
Type 'DataSnapshot' is not assignable to type 'IteratedDataSnapshot'.
Types of property 'key' are incompatible.
Type 'string | null' is not assignable to type 'string'.
Type 'null' is not assignable to type 'string'.
80 child(childPath: string): DataSnapshot;
~~~~~
../../node_modules/firebase-functions/lib/common/providers/database.d.ts:100:5 - error TS2416: Property 'forEach' in type 'DataSnapshot' is not assignable to the same property in base type 'DataSnapshot'.
Type '(action: (a: DataSnapshot) => boolean | void) => boolean' is not assignable to type '(action: (a: IteratedDataSnapshot) => boolean | void) => boolean'.
100 forEach(action: (a: DataSnapshot) => boolean | void): boolean;
~~~~~~~
Found 2 errors in the same file, starting at: ../../node_modules/firebase-functions/lib/common/providers/database.d.ts:80
Additional info for the deps in project:
"dependencies": {
"@google-cloud/storage": "7.7.0",
"axios": "1.6.2",
"axios-retry": "4.0.0",
"cors": "2.8.5",
"date-fns": "2.30.0",
"express": "4.18.2",
"express-validator": "7.0.1",
"firebase-admin": "12.0.0",
"firebase-functions": "4.6.0",
"firestore-size": "2.0.7",
"lodash": "4.17.21",
},
"devDependencies": {
"@types/cors": "2.8.17",
"@types/express": "4.17.21",
"@types/jest": "29.5.11",
"@types/lodash": "4.14.202",
"@types/node": "20.11.10",
"@typescript-eslint/eslint-plugin": "6.13.1",
"@typescript-eslint/parser": "6.13.1",
"eslint": "8.55.0",
"eslint-config-google": "0.14.0",
"eslint-plugin-import": "2.29.0",
"firebase-functions-test": "3.1.0",
"jest": "29.7.0",
"ts-jest": "29.1.1",
"typescript": "5.3.3"
}
Workaround:
In your tsconfig.json setup:
"compilerOptions": {
"skipLibCheck": true,
},