shrink-string-typescript/src/index.ts

Tiny string compression module for Node.

import { gzip, gunzip } from 'zlib';
import { promisify } from 'util';
import { Buffer } from 'buffer';

const gz = promisify(gzip);
const ugz = promisify(gunzip);

const compress = async (s: string = ''): Promise<string> => {
  const compressed = await gz(s);
  return Buffer.from(compressed).toString('base64');
};

const decompress = async (s: string = ''): Promise<string> => {
  const decompressed = await ugz(Buffer.from(Buffer.from(s, 'base64')));
  return decompressed.toString();
};

export = {
  compress,
  decompress,
};