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docs: mention `getError()` in signal forms skill by msmallest · Pull Request #71166 · angular/angular · GitHub

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docs: mention getError() in signal forms skill #71166

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Merged
kirjs merged 1 commit into from
Oct 5, 2026
Conversation 1 Commits 1 Checks 28 Files changed
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docs: mention getError() in signal forms skill #71166

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3 changes: 3 additions & 0 deletions skills/dev-skills/angular-developer/references/signal-forms.md
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Original file line number Diff line number Diff line change
Expand Up @@ -224,6 +224,7 @@ const value = this.userForm().value();
const isValid = this.userForm().valid();
const isInvalid = this.userForm().invalid();
const errors = this.userForm().errors(); // Array of errors
const error = this.userForm().getError('...'); // Single error, by error `kind`
const isPending = this.userForm().pending(); // Async validation pending

// Interaction State (Signals)
Expand Down Expand Up @@ -291,6 +292,8 @@ interface ValidationError {
}
```

`field().getError('...')` returns a single ValidationError by its `kind`.

Do _NOT_ return null from validators.
When there are no errors, return undefined

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