1import * as _ from 'lodash-es'
2import { resolve } from 'path'
3import { chainPromiseCalls } from '../../sharedF/moDashF/promF/moPromisesF.mts'
4import { allPromCalls } from '../../sharedF/moDashF/promF/allPromCallsF.mts'
5import { getIsDir } from '../libFs/getIsDirF.mts'
6import { readdir } from '../libFs/lsFilesPathsRecF.mts'
7import { tsAbsPath, type absFileDirPath } from '../../ptDirF.mts'
8
9export const getFilesRec = async (rootPath: string, stopAfterLen=Infinity): Promise<absFileDirPath[]> => {
10  if (stopAfterLen <= 0) return []
11
12  const isDir = await getIsDir(rootPath)
13
14  if (isDir === null) return []
15  if (isDir === false) return [tsAbsPath(rootPath)]
16
17  const dirsAndFiles = _.map(await readdir(rootPath), (fileName: string) => {
18    return tsAbsPath(resolve(rootPath, fileName))
19  })
20
21  const dirs = _.compact(await allPromCalls(dirsAndFiles, async (path) => {
22    if (globallyIgnoredPaths.some(ignored => path.endsWith('/' + ignored))) return false
23    if (await getIsDir(path)) return path
24  }))
25
26  const directFiles = _.difference(dirsAndFiles, dirs)
27
28  let retFiles: absFileDirPath[] = [...directFiles]
29  await chainPromiseCalls(dirs, async (dir) => {
30    retFiles = [
31      ...(await getFilesRec(dir, stopAfterLen - retFiles.length)),
32      ...retFiles,
33    ]
34  })
35
36  return retFiles
37}
38
39export const globallyIgnoredPaths = [
40  '.DS_Store', '.next', 'node_modules', 'tmp', 'dist',
41]
42