write-unused-path

Reliably write to an unused path.

Usage no npm install needed!

<script type="module">
  import writeUnusedPath from 'https://cdn.skypack.dev/write-unused-path';
</script>

README

Write Unused Path

Reliably write to an unused path.

It is basically a wrapper around get-unused-path which doesn't just return an unused path, but also writes to it.

Features

  • It reliably retrieves an unused path via get-unused-path.
  • It attempts to write to it, re-trying in case of failure.
  • It writes files atomically.

Install

npm install --save write-unused-path

Usage

It accepts the same options object as get-unused-path, plus the following options:

{
  autoDispose?: boolean // Automatically dispose once the operation is completed, enabled by default
}

It also returns the same return value as get-unused-path.

import * as fs from 'fs';
import writeUnusedPath from 'write-unused-path';

async function example () {

  const content = 'some content';

  const {folderPath, filePath, fileName} = await writeUnusedPath ( content, {
    folderPath: '/x/y/z',
    fileName: 'foo.txt',
    // maxTries: 1000,
    // incrementer: ( name, ext, attempt ) => attempt > 1 ? `${name}-${attempt}${ext}` : `${name}${ext}`
  });

  console.log ( folderPath ); // => '/x/y/z'
  console.log ( filePath ); // => '/x/y/z/foo (3).txt'
  console.log ( fileName ); // => 'foo (3).txt'

  console.log ( fs.readFileSync ( filePath, { encoding: 'utf8' } ) ); // => 'some content'

}

example ();

Related

License

MIT © Fabio Spampinato