Function isBuiltin

packages/vitest/src/utils/modules.ts:17–25

(id: string)

// TODO: Use `isBuiltin` from `node:module`, but Deno doesn't support it
export function isBuiltin(id: string): boolean {
  if (isDeno && id.startsWith(NPM_BUILTIN_NAMESPACE)) {
    return true
  }
  if (isBun && id.startsWith(BUN_BUILTIN_NAMESPACE)) {
    return true
  }
  return isNodeBuiltin(id)
}

export function isNodeBuiltin(id: string): boolean {
  if (id.startsWith(NODE_BUILTIN_NAMESPACE)) {