spotify-dl/lib/cache.js

Spotify Songs, Playlist & Album Downloader

import fs from 'fs';
import path from 'path';
import { cliInputs } from './setup.js';

const getCacheFile = dir => {
  const { cacheFile } = cliInputs();
  const cacheFileIsRelative = cacheFile[0] == '.';
  return cacheFileIsRelative ?
    path.join(dir, cacheFile) : cacheFile;
};

export function writeId(dir, id) {
  const cacheFile = getCacheFile(dir);
  fs.appendFileSync(cacheFile, `spotify ${id}\n`);
}

export function findId(id, dir) {
  const cacheFile = getCacheFile(dir);
  let cached = false;
  if (fs.existsSync(cacheFile)) {
    cached = fs.readFileSync(cacheFile, 'utf-8')
      .split('\n')
      .map(line => line.replace('spotify ', ''))
      .find(line => line == id);
  }
  return cached;
}