Main

1// Whether a seed module is the script node was started with (`node seed-<vertical>.mjs plan.json`)
2// rather than imported. Compares real paths, so Windows backslashes, relative invocations and
3// symlinked folders all match (node reports the module's real path in import.meta.url).
4import { realpathSync } from "node:fs";
5import { resolve } from "node:path";
6import { fileURLToPath } from "node:url";
7
8export function isMain(moduleUrl) {
9  if (!process.argv[1]) return false;
10  try {
11    return realpathSync(resolve(process.argv[1])) === realpathSync(fileURLToPath(moduleUrl));
12  } catch {
13    return false;
14  }
15}