flattenAndCategorizeErrors.js

// This file is part of React-Invenio-Forms
// Copyright (C) 2025 CERN.
//
// React-Invenio-Forms is free software; you can redistribute it and/or modify it
// under the terms of the MIT License; see LICENSE file for more details.

export function flattenAndCategorizeErrors(obj, prefix = "") {
  let flattenedErrors = {}; // To store flattened errors
  let severityChecks = {}; // To store severity-based errors

  for (let key in obj) {
    let newKey = prefix ? `${prefix}.${key}` : key;
    let value = obj[key];

    if (value && typeof value === "object") {
      if ("message" in value && "severity" in value) {
        severityChecks[newKey] = value;
      } else if (Array.isArray(value)) {
        value.forEach((item, index) => {
          let arrayKey = `${newKey}[${index}]`;

          // Fix: If item is a string, store it directly instead of iterating over characters
          if (typeof item === "string") {
            flattenedErrors[arrayKey] = item;
          } else {
            let nested = flattenAndCategorizeErrors(item, arrayKey);
            Object.assign(flattenedErrors, nested.flattenedErrors);
            Object.assign(severityChecks, nested.severityChecks);
          }
        });
      } else {
        let nested = flattenAndCategorizeErrors(value, newKey);
        Object.assign(flattenedErrors, nested.flattenedErrors);
        Object.assign(severityChecks, nested.severityChecks);
      }
    } else {
      flattenedErrors[newKey] = value;
    }
  }

  return { flattenedErrors, severityChecks };
}