@toolpad/utils/modern/errors.js

Shared utilities used by Toolpad packages.

import { hasOwnProperty } from "./collections.js";
import { truncate } from "./strings.js";
export function serializeError(error) {
  const {
    message,
    name,
    stack,
    code
  } = error;
  return {
    message,
    name,
    stack,
    code
  };
}

/**
 * Creates a javascript `Error` from an unknown value if it's not already an error.
 * Does a best effort at inferring a message. Intended to be used typically in `catch`
 * blocks, as there is no way to enforce only `Error` objects being thrown.
 *
 * ```
 * try {
 *   // ...
 * } catch (rawError) {
 *   const error = errorFrom(rawError);
 *   console.assert(error instanceof Error);
 * }
 * ```
 */
export function errorFrom(maybeError) {
  if (maybeError instanceof Error) {
    return maybeError;
  }
  if (typeof maybeError === 'object' && maybeError && hasOwnProperty(maybeError, 'message') && typeof maybeError.message === 'string') {
    return new Error(maybeError.message, {
      cause: maybeError
    });
  }
  if (typeof maybeError === 'string') {
    return new Error(maybeError, {
      cause: maybeError
    });
  }
  const message = truncate(String(JSON.stringify(maybeError)), 500);
  return new Error(message, {
    cause: maybeError
  });
}