1import fs, { promises } from 'fs'
2import { fs1Promises as fsPromises } from './fsPromisesF.mts'
3import type { absFileDirPath } from '../../ptDirF.mts'
4import { assertDefined } from '../../sharedF/assertsF/assertDefinedF.mts'
5
6const fsCpDel = async (fromPath : absFileDirPath, toPath : absFileDirPath) => {
7  try {
8    await fsPromises.cp(fromPath, toPath)
9    await fsPromises.unlink(fromPath)
10  } catch (err) {
11    console.trace(err, {fromPath, toPath})
12    process.exit(1)
13  }
14}
15
16export const fsCp = async (fromPath : absFileDirPath, toPath : absFileDirPath) => {
17  assertDefined(fromPath)
18  assertDefined(toPath)
19  if (fromPath == toPath) return
20  await fsPromises.cp(fromPath, toPath)
21}
22
23export const fsRename = async (fromPath : absFileDirPath, toPath : absFileDirPath) => {
24  try {
25    await fsPromises.rename(fromPath, toPath)
26  } catch (err : unknown) {
27    if ((err as NodeJS.ErrnoException).code == 'EXDEV') {
28      console.log('warn, cp & delete workaround for cross-disk mv', fromPath, toPath)
29      await fsCpDel(fromPath, toPath)
30      return
31    }
32    console.trace(err, {fromPath, toPath})
33    process.exit(1)
34  }
35}
36
37export const read1FileIfExist = async (filePath : absFileDirPath) => {
38  try {
39    return await promises.readFile(filePath, 'utf-8')
40  } catch (err : unknown) {
41    if ((err as NodeJS.ErrnoException).code == 'ENOENT') return false
42    throw err
43  }
44}
45
46