Function resolvePathsToWatch

packages/nuxt/src/core/builder.ts:327–357

(nuxt: Nuxt, opts: { parentDirectories?: boolean } = {})

}

function resolvePathsToWatch (nuxt: Nuxt, opts: { parentDirectories?: boolean } = {}): Set<string> {
  const pathsToWatch = new Set<string>()
  for (const dirs of getLayerDirectories(nuxt)) {
    if (!isIgnored(dirs.app)) {
      pathsToWatch.add(dirs.app)
    }
    // Only add server if it's not inside app (avoid double-watching)
    if (!isIgnored(dirs.server) && !dirs.server.startsWith(dirs.app.replace(/\/?$/, '/'))) {
      pathsToWatch.add(dirs.server)
    }
  }
  for (const pattern of nuxt.options.watch) {
    if (typeof pattern !== 'string') { continue }
    const path = opts?.parentDirectories
      ? join(dirname(resolve(nuxt.options.srcDir, pattern)), '')
      : resolve(nuxt.options.srcDir, pattern)
    let shouldAdd = true
    for (const w of [...pathsToWatch]) {
      if (w.startsWith(path)) {
        pathsToWatch.delete(w)
      }
      if (path.startsWith(w)) {
        shouldAdd = false
      }
    }
    if (shouldAdd) {
      pathsToWatch.add(path)
    }
  }
  return pathsToWatch
}