Dummu - Error Handling in GraphQL

This failure mode is rare enough to ignore in a demo and common enough to matter in production.

Why this matters for GraphQL

This is a bold claim, an italic aside, and an underlined point, all in one GraphQL example.

What it touches:

• The GraphQL runtime or interpreter
• Whatever calls the code around it
• Anyone reading this six months from now

How to apply it:

1. Read the snippet below once, slowly.
2. Try changing one value and predict the output before running it.
3. Compare your prediction against what actually happens.

"An error that fails loudly and clearly beats one that fails silently every time."

query GetUser($id: ID!) {
  user(id: $id) {
    name
    email
  }
}

Reference: GraphQL documentation

An error that fails loudly and clearly beats one that fails silently every time.