oberknecht-utils/lib-ts/utils/returnErr.ts

Utils for oberknecht packages

import { log } from "./log";

export function returnErr(
  e: Error | Object,
  logerr?: Boolean,
  fullstack?: Boolean
) {
  if (!e) return "";
  // @ts-ignore
  let r2 = e?.error ?? e;
  let r = "";
  let rfull = "";
  if (r2.stack) {
    let appendStack = (e2) => {
      r += (r.length > 0 ? " (caused by:) " : "") + (e2?.message ?? e2);
      rfull += (rfull.length > 0 ? "\nCause: " : "") + (e2?.stack ?? e2);
      if (e2?.cause) return appendStack(e2.cause);

      return;
    };

    appendStack(r2);
  }

  if (logerr) log(2, r);
  return fullstack ? rfull : r;
}