Function cleanErrorStack

repos/effect/packages/effect/src/internal/effect.ts:399–414

(
  stack: string,
  error: Error,
  annotations: ReadonlyMap<string, unknown> | undefined
)

      return u.toString()
    } catch {
      // something's off, rollback to json
    }
  }
  return formatJson(u)
}

const locationRegExp = /\((.*)\)/g

const cleanErrorStack = (
  stack: string,
  error: Error,
  annotations: ReadonlyMap<string, unknown> | undefined
): string => {
  const message = `${error.name}: ${error.message}`
  const lines = (stack.startsWith(message) ? stack.slice(message.length) : stack).split("\n")
  const out: Array<string> = [message]
  for (let i = 1; i < lines.length; i++) {
    if (/(?:Generator\.next|~effect\/Effect)/.test(lines[i])) {
      break