First typescript iteration

server/helpers/utils.ts

@@ -0,0 +1,54 @@
+import { pseudoRandomBytes } from 'crypto'
+
+import { logger } from './logger'
+
+function badRequest (req, res, next) {
+  res.type('json').status(400).end()
+}
+
+function generateRandomString (size, callback) {
+  pseudoRandomBytes(size, function (err, raw) {
+    if (err) return callback(err)
+
+    callback(null, raw.toString('hex'))
+  })
+}
+
+function cleanForExit (webtorrentProcess) {
+  logger.info('Gracefully exiting.')
+  process.kill(-webtorrentProcess.pid)
+}
+
+function createEmptyCallback () {
+  return function (err) {
+    if (err) logger.error('Error in empty callback.', { error: err })
+  }
+}
+
+function isTestInstance () {
+  return (process.env.NODE_ENV === 'test')
+}
+
+function getFormatedObjects (objects, objectsTotal) {
+  const formatedObjects = []
+
+  objects.forEach(function (object) {
+    formatedObjects.push(object.toFormatedJSON())
+  })
+
+  return {
+    total: objectsTotal,
+    data: formatedObjects
+  }
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  badRequest,
+  createEmptyCallback,
+  cleanForExit,
+  generateRandomString,
+  isTestInstance,
+  getFormatedObjects
+}