Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Invalid type declaration after upgrading to TS 4.7

See original GitHub issue

[READ] Step 1: Are you in the right place?

For issues related to the code in this repository file a Github issue.
If the issue pertains to Cloud Firestore, read the instructions in the “Firestore issue” template.
For general technical questions, post a question on StackOverflow with the firebase tag.
For general Firebase discussion, use the firebase-talk google group.
For help troubleshooting your application that does not fall under one of the above categories, reach out to the personalized Firebase support channel.

[REQUIRED] Step 2: Describe your environment

Operating System version: MacOS Monterey 12.3.1
Firebase SDK version: 10.2.0
Firebase Product: app, firestore
Node.js version: 16
NPM version: 8.5.5

[REQUIRED] Step 3: Describe the problem

Steps to reproduce:

After upgrading to Typescript 4.7, tsc throws the following error for all firebase admin SDK imports

error TS7016: Could not find a declaration file for module 'firebase-admin/firestore'. '/Users/debkanchan/Library/Mobile Documents/com~apple~CloudDocs/Work/Ride/Code/Backend/services/wallet-service/node_modules/firebase-admin/lib/esm/firestore/index.js' implicitly has an 'any' type.
  Try `npm i --save-dev @types/firebase-admin` if it exists or add a new declaration (.d.ts) file containing `declare module 'firebase-admin/firestore';`

2 import { Firestore, FieldValue, getFirestore } from "firebase-admin/firestore";

Relevant Code:

tsconfig.json

{
	"extends": "@tsconfig/node16/tsconfig.json",
	"compilerOptions": {
		"module": "Node16",
		"outDir": "build",
		"removeComments": true
		// "noImplicitAny": false
	},
	"compileOnSave": true,
	"include": ["src"]
}

package.json

{
	"type": "module",
	"engines": {
		"node": "16"
	},
       ...
	"dependencies": {
		"firebase-admin": "^10.2.0",
                ...
	},
	"devDependencies": {
		"@tsconfig/node16": "^1.0.2",
                 ...
		"ts-node": "^10.8.0",
		"typescript": "^4.7.2"
	}
}