TS 4.1.2 Cannot find name 'FieldValue' (solved in 4.2)

[sk-]

In TS 4.1.2, depending on how you import FieldValue (a firestore type), the class won't be defined. This affects only 4.1.2, as it seems to have been fixed in 4.2.

TypeScript Version: 4.1.2

Search Terms:
FieldValue undefined cannot

Code

const {FieldValue} = require('firebase-admin').firestore;
console.info(FieldValue);

Expected behavior:
No error is raised.

Actual behavior:

 Cannot find name 'FieldValue'.

Note that the code correctly prints out:

[class FieldValue]

Note also that the following code compiles without errors:

const admin = require('firebase-admin');
const {FieldValue} = admin.firestore;
console.info(FieldValue);

const {equal} = require('assert').strict
console.info(equal);

Playground Link:

Related Issues:

[andrewbranch]

@sandersn, does this look like something you intentionally fixed for 4.2? It is a pretty bizarre error. Would it be a candidate to backport?

(Adding screenshot because I literally didn’t believe we would ever say Cannot find name here)

[sk-]

I bisected it and the error was introduced in 4.1.0-dev.20200818 and fixed in 4.2.0-dev.20201112.

[sk-]

It seems that this was fixed by #41479 and introduced by #39770.

[andrewbranch]

Thanks 🕵️! That makes this a duplicate of #41422. We’ll discuss putting it in the next patch release.

[typescript-bot]

This issue has been marked as a 'Duplicate' and has seen no recent activity. It has been automatically closed for house-keeping purposes.