angular - karma test-runner error TS2503: Cannot find namespace 'gapi'

Question

karma test-runner error TS2503: Cannot find namespace 'gapi'

Trace for ng test

28 01 2021 14:50:25.878:INFO [karma-server]: Karma v5.2.3 server started at http://localhost:9876/
28 01 2021 14:50:25.878:INFO [launcher]: Launching browsers Firefox with concurrency unlimited
28 01 2021 14:50:25.880:INFO [launcher]: Starting browser Firefox
? Browser application bundle generation complete.

Error: src/app/auth/AuthModule.ts:12:21 - error TS2503: Cannot find namespace 'gapi'.

12 import GoogleUser = gapi.auth2.GoogleUser;

AuthModule.ts snippet (resolves correctly when running the app and inside webstorm)

/// <reference path="../../../node_modules/@types/gapi.auth2/index.d.ts" />
import GoogleUser = gapi.auth2.GoogleUser;

package.json snippet

"dependencies": {
...
    "@types/gapi": "0.0.39",
    "@types/gapi.auth2": "0.0.52"
...
}

question from:https://stackoverflow.com/questions/65934388/karma-test-runner-error-ts2503-cannot-find-namespace-gapi

Answer 1

Waitting for answers