1import { fileURLToPath } from 'url'
2import { resolve } from 'path'
3import { assertDefined } from '../sharedF/assertsF/assertDefinedF.mts'
4
5/** Get process.argv fresh (not cached at import time). Always returns array (slice semantics). */
6export function getProcArgv(): string[]
7export function getProcArgv(start: number): string[]
8export function getProcArgv(start: number, end: number): string[]
9export function getProcArgv(start?: number, end?: number): string[] {
10  if (start === undefined) return process.argv
11  return process.argv.slice(start, end)
12}
13
14export const getImportMetaUrlPath = (importMetaUrl: string): string => {
15  return resolve(fileURLToPath(importMetaUrl))
16}
17
18export const isDirectlyRun = (importMetaUrl: string): boolean => {
19  if (process.env.IS_BUNDLE) return false // esbuild bundles share one import.meta.url → all self-test blocks would fire; disable in bundles
20  assertDefined(importMetaUrl)
21  const argv = getProcArgv()
22  if (!argv[1]) return false // e.g. ptnode -e or node --eval
23  const nodePath = resolve(argv[1])
24  const modulePath = getImportMetaUrlPath(importMetaUrl)
25  return nodePath === modulePath
26}
27