Hacktoberfest 2026: the issues maintainers tagged for October, open and beginner-friendly. Browse Hacktoberfest issues

Types mismatch: ApolloClient

Open
#104 0 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
graphql, react, typescript
Domain
api, frontend

Research direction

Locate the ApolloClient usage and isInCart definition in the tutorial app, using the screenshots as the starting clue. Reproduce the reported Boolean/string mismatch and find the relevant type-check command or test; done should make the intended type behavior explicit and verifiable.

Written by the indexing model from the issue text.

Description

I set isInCart is Boolean and I try to return some value is string type in this function. It work. I think should be show some error because type mismatch

image

image

Dominant language
TypeScript
Stars
1.2k
Forks
808
No merged PRs in 30d

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

More from apollographql/fullstack-tutorial

All issues in apollographql/fullstack-tutorial

Similar issues

More TypeScript issues

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.