refactor(ffi): Use modern es6 syntax

src/Date.js

@@ -1,5 +1,5 @@
 function date() {
- var currentDate = new Date();
+ const currentDate = new Date();
 
  return [
  String(currentDate.getDate()).padStart(2, "0"),
@@ -12,19 +12,19 @@ function date() {
 }
 
 export function ddmmyyyy() {
- var currentDate = date();
+ const currentDate = date();
 
  return currentDate[0] + "/" + currentDate[1] + "/" + currentDate[2];
 }
 
 export function yyyymmdd() {
- var currentDate = date();
+ const currentDate = date();
 
  return currentDate[2] + "/" + currentDate[1] + "/" + currentDate[0];
 }
 
 export function hhmmss() {
- var currentDate = date();
+ const currentDate = date();
 
  return currentDate[3] + ":" + currentDate[4] + ":" + currentDate[5];
 }

src/HTTP/Client.js

@@ -3,17 +3,17 @@ import { URL } from "url";
 
 export function post_(url, payload) {
  return function (onError, onSuccess) {
- var parsedUrl = new URL(url);
- var hostname = parsedUrl.hostname;
- var path = parsedUrl.pathname + parsedUrl.search;
- var port =
+ const parsedUrl = new URL(url);
+ const hostname = parsedUrl.hostname;
+ const path = parsedUrl.pathname + parsedUrl.search;
+ const port =
  parsedUrl.protocol === "https:"
  ? "443"
  : parsedUrl.protocol === "http:"
  ? 80
  : parsedUrl.port;
 
- var request = https.request(
+ const request = https.request(
  {
  hostname: hostname,
  path: path,

src/HTTP/Server.js

@@ -1,7 +1,7 @@
 import http from "http";
 
 export function startSync_(port, onSuccess) {
- var server = http.createServer(function (req, res) {
+ const server = http.createServer(function (req, res) {
  onSuccess(req.url)();
  res.end("success");
  });
@@ -10,7 +10,7 @@ export function startSync_(port, onSuccess) {
 
 export function startAsync_(port) {
  return function (onError, onSuccess) {
- var server = http.createServer(function (req, res) {
+ const server = http.createServer(function (req, res) {
  onSuccess(req.url);
  res.end("success");
  });

src/HTTP/Utils.js

@@ -1,13 +1,13 @@
 import { URL } from "url";
 
 export function pathname(input) {
- var url = new URL(input, "http:https://localhost");
+ const url = new URL(input, "http:https://localhost");
 
  return url.pathname;
 }
 
 export function param_(param, input) {
- var url = new URL(input, "http:https://localhost");
+ const url = new URL(input, "http:https://localhost");
 
  return url.searchParams.get(param) || "";
 }

src/Orchestrator/FS.js

@@ -3,7 +3,7 @@ import * as fs from "fs";
 export function readFile_(left, right, filename) {
  return function () {
  try {
- var buffer = fs.readFileSync(filename, { encoding: "UTF-8" });
+ const buffer = fs.readFileSync(filename, { encoding: "UTF-8" });
 
  return right(buffer.toString());
  } catch (error) {

src/System/Commands.js

@@ -1,8 +1,8 @@
 import { spawnSync } from "child_process";
 
 function run(command, args, options) {
- var process = spawnSync(command, args, options || {});
- var output;
+ const process = spawnSync(command, args, options || {});
+ let output;
 
  if (process.status === 0) {
  output = process.stdout ? process.stdout.toString().trim() : "";
@@ -18,7 +18,7 @@ function run(command, args, options) {
 
 export function asyncExec_(right, left, canceler, cb, command, args, options) {
  setTimeout(function () {
- var result = run(command, args, options);
+ const result = run(command, args, options);
 
  cb(result[0] ? right(result[1]) : left(new Error(result[1])))();
  });