Function transformData

apps/wallet/src/utils/helper.utils.ts:517–655

(
  input: unknown,
  opts: {
    removeUndefinedOrNull?: boolean;
    removeEmptyLists?: boolean;
    removeFunctions?: boolean;
    transformBufferAsHex?: boolean;
  } = {},
)

 * @returns The transformed data.
 */
export const transformData = (
  input: unknown,
  opts: {
    removeUndefinedOrNull?: boolean;
    removeEmptyLists?: boolean;
    removeFunctions?: boolean;
    transformBufferAsHex?: boolean;
  } = {},
): unknown => {
  const {
    removeEmptyLists = false,
    removeUndefinedOrNull = true,
    removeFunctions = true,
    transformBufferAsHex = true,
  } = opts;

  const seen = new WeakSet();
  const normalize = (data: unknown): unknown => {
    // Handles circular references by returning a string '[Circular Reference]' when a circular reference is found.
    if (typeof data === 'object' && data !== null) {
      if (seen.has(data)) {
        return '[Circular Reference]';
      }

      seen.add(data);
    }

    if (data === null || data === undefined) {
      return removeUndefinedOrNull ? undefined : data;
    }

    if (typeof data === 'function') {
      return !removeFunctions ? '[Function]' : undefined;
    }

    if (typeof data === 'bigint') {
      return Number(data);
    }

    if (data instanceof Principal) {
      return data.toText();
    }

    if (data instanceof Date) {
      return data.toISOString();
    }

    if (data instanceof ArrayBuffer) {
      if (removeEmptyLists && data.byteLength === 0) {
        return undefined;
      }

      return transformBufferAsHex ? arrayBufferToHex(data) : Array.from(new Uint8Array(data));
    }

    if (data instanceof Uint8Array) {
      if (removeEmptyLists && data.length === 0) {
        return undefined;