Function setSubmissionErrors

packages/forms/signals/src/api/structure.ts:511–532

* Sets a list of submission errors to their individual fields. * * @param submittedField The field that was submitted, resulting in the errors. * @param errors The errors to set.

(
  submittedField: FieldNode,
  errors: OneOrMany<ValidationError.WithOptionalFieldTree>,
)

 * @param errors The errors to set.
 */
function setSubmissionErrors(
  submittedField: FieldNode,
  errors: OneOrMany<ValidationError.WithOptionalFieldTree>,
) {
  if (!isArray(errors)) {
    errors = [errors];
  }
  const errorsByField = new Map<FieldNode, ValidationError.WithFieldTree[]>();
  for (const error of errors) {
    const errorWithField = addDefaultField(error, submittedField.fieldTree);
    const field = errorWithField.fieldTree() as FieldNode;
    let fieldErrors = errorsByField.get(field);
    if (!fieldErrors) {
      fieldErrors = [];
      errorsByField.set(field, fieldErrors);
    }
    fieldErrors.push(errorWithField);
  }
  for (const [field, fieldErrors] of errorsByField) {
    field.submitState.submissionErrors.set(fieldErrors);
  }
}