Move src/lib/utils.ts to src/lib/utils/functions.ts

We probably don't want a utils directory and a utils file.

Signed-off-by: David Mehren <dmehren1@gmail.com>

src/lib/utils.ts

@@ -1,84 +0,0 @@
-import fs from 'fs'
-import { config } from './config'
-import { logger } from './logger'
-import { Revision } from './models'
-import { realtime } from './realtime'
-
-/*
-Converts a map from string to something into a plain JS object for transmitting via a websocket
- */
-export function mapToObject<T> (map: Map<string, T>): object {
-  return Array.from(map).reduce((obj, [key, value]) => {
-    obj[key] = value
-    return obj
-  }, {})
-}
-
-export function getImageMimeType (imagePath: string): string | undefined {
-  const fileExtension = /[^.]+$/.exec(imagePath)
-  switch (fileExtension?.[0]) {
-    case 'bmp':
-      return 'image/bmp'
-    case 'gif':
-      return 'image/gif'
-    case 'jpg':
-    case 'jpeg':
-      return 'image/jpeg'
-    case 'png':
-      return 'image/png'
-    case 'tiff':
-      return 'image/tiff'
-    case 'svg':
-      return 'image/svg+xml'
-    default:
-      return undefined
-  }
-}
-
-// [Postgres] Handling NULL bytes
-// https://github.com/sequelize/sequelize/issues/6485
-export function stripNullByte (value: string): string {
-  value = '' + value
-  // eslint-disable-next-line no-control-regex
-  return value ? value.replace(/\u0000/g, '') : value
-}
-
-export function processData<T> (data: T, _default: T, process?: (T) => T): T | undefined {
-  if (data === undefined) return undefined
-  else if (data === null) return _default
-  else if (process) return process(data)
-  else return data
-}
-
-export function handleTermSignals (io): void {
-  logger.info('CodiMD has been killed by signal, try to exit gracefully...')
-  realtime.maintenance = true
-  // disconnect all socket.io clients
-  Object.keys(io.sockets.sockets).forEach(function (key) {
-    const socket = io.sockets.sockets[key]
-    // notify client server going into maintenance status
-    socket.emit('maintenance')
-    setTimeout(function () {
-      socket.disconnect(true)
-    }, 0)
-  })
-  if (config.path) {
-    // ToDo: add a proper error handler
-    // eslint-disable-next-line @typescript-eslint/no-empty-function
-    fs.unlink(config.path, (_) => {
-    })
-  }
-  const checkCleanTimer = setInterval(function () {
-    if (realtime.isReady()) {
-      Revision.checkAllNotesRevision(function (err, notes) {
-        if (err) {
-          return logger.error(err)
-        }
-        if (!notes || notes.length <= 0) {
-          clearInterval(checkCleanTimer)
-          return process.exit(0)
-        }
-      })
-    }
-  }, 100)
-}