All files / net utils.ts

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import * as zlib from 'zlib'
 
/**
 * Check and invoke callback function
 */
export const invokeCallback = function (...args: any[]) {
  let cb = arguments[0]
  if (!!cb && typeof cb === 'function') {
    cb.apply(null, Array.prototype.slice.call(arguments, 1))
  }
}
 
export async function gzip(data: Buffer): Promise<Buffer> {
  return new Promise((resolve, reject) => {
    zlib.gzip(data, (err, val) => {
      if (err) {
        reject(err)
        return
      }
      resolve(val)
    })
  })
}