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fix(FormGroup): report error on multiple path string #2982

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5 changes: 2 additions & 3 deletions docs/content/2.components/form.md
Original file line number Diff line number Diff line change
Expand Up @@ -63,11 +63,10 @@ Note that **no validation library is included** by default, so ensure you **inst

## Custom validation

Use the `validate` prop to apply your own validation logic.
Use the `validate` prop to apply your own validation logic. The validation function must return a list of errors with the following attributes:

The validation function must return a list of errors with the following attributes:
- `message` - Error message for display.
- `path` - Path to the form element corresponding to the `name` attribute.
- `path` - Path to the form element corresponding to the `name` attribute. To address multiple paths, join the path names with a period (`.`).

::callout{icon="i-heroicons-light-bulb"}
Note that it can be used alongside the `schema` prop to handle complex use cases.
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2 changes: 1 addition & 1 deletion src/runtime/components/forms/FormGroup.vue
Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,7 @@ export default defineComponent({
const error = computed(() => {
return (props.error && typeof props.error === 'string') || typeof props.error === 'boolean'
? props.error
: formErrors?.value?.find(error => error.path === props.name)?.message
: formErrors?.value?.find(error => error.path.split('.').includes(props.name))?.message
})

const size = computed(() => ui.value.size[props.size ?? config.default.size])
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