Function isTaggedError

packages/opencode/src/cli/error.ts:7–9

(error: unknown, tag: string)

type ConfigIssue = { message: string; path: string[] }

function isTaggedError(error: unknown, tag: string): error is Record<string, unknown> {
  return isRecord(error) && error._tag === tag
}

function configData(input: unknown, tag: string): Record<string, unknown> | undefined {
  if (!isRecord(input)) return undefined