switched to f** ESS modules

wssGateway.js

@@ -1,13 +1,14 @@
-const yargs = require('yargs')   
-const ws = require('ws')
-const fs = require('fs')
-const RedisConnexion = require('./redisConnexion')
-const urlparser = require('url');
-const wssServer = require('./wssServer')
-const configHelper = require('./configHelper')
+import yargs from 'yargs/yargs'
+import { hideBin } from 'yargs/helpers'
 
+import { WebSocketServer } from 'ws'
+import fs from 'fs'
+import {RedisConnexion} from './redisConnexion.js'
+import urlparser from 'url'
+import {wssServer} from './wssServer.js'
+import {configHelper} from './configHelper.js'
 
-const argv = yargs.command('wssGateway', 'Redis <=> Websocket message bus gateway', {})
+const argv = yargs(hideBin(process.argv)).command('wssGateway', 'Redis <=> Websocket message bus gateway', {})
     .options({
         'argv.debug': {
             description: 'shows debug info',
@@ -36,15 +37,15 @@ async function startRedis(wssGatewayConfig) {
 }
 
 
-cfgh.fetchConfig().then( wssGatewayConfig => {
+cfgh.fetchConfig().then( async wssGatewayConfig => {
 
     if((!wssGatewayConfig) || (Object.keys(wssGatewayConfig).length<4)) {
         console.error('Cannot get a valid configuration ! Aaarrghhh...')
         process.exit()
     }    
     let httpLib
-    if(wssGatewayConfig.server.unsecure) httpLib = require('http')
-    else httpLib = require('https')
+    if(wssGatewayConfig.server.unsecure) httpLib = await import('http')
+    else httpLib = await import('https')
 
 
     /////////////////////// Create & Start servers \\\\\\\\\\\\\\\\\\\\\\
@@ -91,7 +92,7 @@ cfgh.fetchConfig().then( wssGatewayConfig => {
         wssServerOptions['key'] = fs.readFileSync(wssGatewayConfig.server.certKeyFile)
         wssServerOptions['cert'] = fs.readFileSync(wssGatewayConfig.server.certFile)
     }
-    const WSSServer = new ws.WebSocketServer(wssServerOptions);
+    const WSSServer = new WebSocketServer(wssServerOptions);
     console.log(`WS${wssGatewayConfig.server.unsecure ? '': 'S'}  server created for ${wssGatewayConfig.server.listenHost}:${wssGatewayConfig.server.listenPort}`)
 
     startRedis(wssGatewayConfig).then((rediscnx) => {