Function findExecutablesOnPath

packages/kaos/src/environment.ts:265–285

(
  name: string,
  pathEnv: string | undefined,
  platform: string,
  isFile: (p: string) => Promise<boolean>,
)

}

async function findExecutablesOnPath(
  name: string,
  pathEnv: string | undefined,
  platform: string,
  isFile: (p: string) => Promise<boolean>,
): Promise<readonly string[]> {
  if (pathEnv === undefined || pathEnv.length === 0) return [];
  const listSep = platform === 'win32' ? ';' : ':';
  const dirSep = platform === 'win32' ? '\\' : '/';
  const paths: string[] = [];
  for (const rawDir of pathEnv.split(listSep)) {
    const dir = rawDir.trim();
    if (dir.length === 0) continue;
    if (platform === 'win32' && !isAbsoluteWindowsPath(dir)) continue;
    const candidate = dir.endsWith(dirSep) ? `${dir}${name}` : `${dir}${dirSep}${name}`;
    if (await isFile(candidate)) {
      paths.push(candidate);
    }
  }
  return platform === 'win32' ? dedupeWindowsPaths(paths) : paths;
}

export async function execFileText(
  file: string,