don't use babel for transpilation

.babelrc

@@ -1,16 +0,0 @@
-{
-  "presets": [
-    ["env", {
-      "targets": {
-        "node": "8.9"
-      }
-    }]
-  ],
-  "plugins": [
-    ["module-resolver", {
-      "alias": {
-        "turtle": "./build"
-      }
-    }]
-  ]
-}

.envrc

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 source_local() {
   file=./.envrc.local

Dockerfile

@@ -99,9 +99,6 @@ RUN rm gradle-4.4-all.zip
 ENV GRADLE_HOME /usr/local/gradle-4.4
 ENV PATH ${GRADLE_HOME}/bin:$PATH
 
-# Install Gulp
-RUN npm install -g gulp-cli
-
 ADD . /app
 
 RUN for SDK_VERSION in `ls /app/workingdir/android/`; do \

gulpfile.js

@@ -1,91 +0,0 @@
-'use strict';
-
-const childProcess = require('child_process');
-const util = require('util');
-const path = require('path');
-
-const gulp = require('gulp');
-const babel = require('gulp-babel');
-const changed = require('gulp-changed');
-const nodemon = require('gulp-nodemon');
-const plumber = require('gulp-plumber');
-const sourcemaps = require('gulp-sourcemaps');
-const ts = require('gulp-typescript');
-const rimraf = require('rimraf');
-
-const rimrafAsync = util.promisify(rimraf);
-
-const tsProject = ts.createProject('tsconfig.json');
-
-gulp.task('clean', async () => {
-  console.log(`Removing build directories...`);
-  await rimrafAsync('build');
-});
-
-gulp.task('build:server', () => {
-  console.log(`Compiling the Node.js server JavaScript...`);
-  return tsProject
-    .src()
-    .pipe(plumber())
-    .pipe(changed('build'))
-    .pipe(sourcemaps.init())
-    .pipe(tsProject())
-    .pipe(babel())
-    .pipe(
-      sourcemaps.write('.', {
-        includeContent: false,
-        sourceRoot: '../src',
-      })
-    )
-    .pipe(gulp.dest('build'));
-});
-
-gulp.task('watch:source', async () => {
-  console.log(`Watching for changes to the Node.js server JavaScript...`);
-  gulp.watch('src/**/*.(t|j)s', gulp.series('build:server'));
-});
-
-gulp.task('watch:local', createWatchTask('development'));
-gulp.task('watch:server', createWatchTask('production'));
-
-function createWatchTask(nodeEnv) {
-  return async () => {
-    console.log(`Starting the Node.js server and watching for changes (NODE_ENV=${nodeEnv})...`);
-    // Run nodemon in a separate process to isolate its side effects on stdio streams
-    let nodeCmd = 'node';
-    if (nodeEnv === 'development') {
-      nodeCmd += ' --inspect=:9315';
-    }
-    nodemon({
-      script: './build/server.js',
-      execMap: {
-        js: nodeCmd,
-      },
-      env: {
-        NODE_ENV: nodeEnv,
-      },
-
-      watch: ['./build'],
-      stdout: false,
-      readable: false,
-    }).on('readable', function() {
-      const bunyan = childProcess.fork(
-        path.join('.', 'node_modules', '.bin', 'bunyan'),
-        ['-o', 'short', '-l', 'debug', '--color'],
-        { silent: true }
-      );
-
-      bunyan.stdout.pipe(process.stdout);
-      bunyan.stderr.pipe(process.stderr);
-      this.stdout.pipe(bunyan.stdin);
-      this.stderr.pipe(bunyan.stdin);
-    });
-  };
-}
-
-gulp.task(
-  'watch',
-  gulp.series('clean', 'build:server', gulp.parallel('watch:source', 'watch:local'))
-);
-
-gulp.task('default', gulp.series('watch'));

nodemon.json

@@ -0,0 +1,6 @@
+{
+  "watch": ["src"],
+  "ext": "ts",
+  "ignore": ["src/**/*.test.ts"],
+  "exec": "ts-node -r tsconfig-paths/register --files src/server.ts"
+}

package.json

@@ -4,15 +4,14 @@
   "description": "The command-line tool for building standalone Expo apps",
   "preferGlobal": true,
   "scripts": {
-    "start": "EXPENV_OVERRIDES=local-common,local,local-queue expenv gulp",
+    "start": "EXPENV_OVERRIDES=local-common,local,local-queue expenv nodemon | bunyan -o short -l debug --color",
     "start:ios": "PLATFORM=ios yarn start",
     "start:android": "PLATFORM=android yarn start",
-    "watch": "EXPENV_OVERRIDES=local-common,local,local-queue expenv gulp watch:source",
     "bin:turtle": "./bin/turtle.js",
     "lint": "tslint -c tslint.json 'src/**/*.ts'",
     "lint:fix": "yarn lint --fix",
     "prepare": "yarn build",
-    "build": "gulp build:server",
+    "build": "rimraf ./build && ttsc",
     "build:production": "./scripts/build.sh",
     "build:android-tarball:local": "./scripts/android/buildAndroidTarballLocally.sh",
     "secrets:init-private": "./scripts/initPrivateSecrets.sh",
@@ -35,9 +34,10 @@
     "ssh:android:connect": "./scripts/ssh/connectToAndroidPod.sh",
     "ssh:ios:ips": "./scripts/ssh/findIosIps.sh",
     "set-priorities": "yarn set-priorities:local",
-    "set-priorities:local": "EXPENV_OVERRIDES=local-common,local,local-queue expenv babel-node scripts/setConfigurations.js",
-    "set-priorities:staging": "expenv babel-node scripts/setConfigurations.js",
-    "set-priorities:production": "EXPENV_OVERRIDES=prod expenv babel-node scripts/setConfigurations.js"
+    "set-priorities:default": "expenv ts-node -r tsconfig-paths/register --files src/scripts/setConfigurations.ts",
+    "set-priorities:local": "EXPENV_OVERRIDES=local-common,local,local-queue yarn set-priorities:default",
+    "set-priorities:staging": "yarn set-priorities:default",
+    "set-priorities:production": "EXPENV_OVERRIDES=prod yarn set-priorities:default"
   },
   "husky": {
     "hooks": {
@@ -88,30 +88,21 @@
     "@types/tar": "^4.0.0",
     "@types/uuid": "^3.4.3",
     "@types/which": "^1.3.1",
-    "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.3",
-    "babel-jest": "^23.6.0",
-    "babel-plugin-module-resolver": "^3.1.1",
-    "babel-preset-env": "^1.6.1",
-    "gulp": "github:gulpjs/gulp#4.0",
-    "gulp-babel": "^7.0.1",
-    "gulp-changed": "^3.2.0",
-    "gulp-nodemon": "^2.4.1",
-    "gulp-plumber": "^1.2.0",
-    "gulp-sourcemaps": "^2.6.4",
-    "gulp-typescript": "^4.0.2",
     "husky": "^1.3.1",
     "jest": "^23.6.0",
     "lint-staged": "^8.1.5",
     "nock": "^10.0.1",
-    "nodemon": "^1.18.7",
+    "nodemon": "^1.18.11",
     "release-it": "^10.0.0",
     "rimraf": "^2.6.2",
-    "source-map-loader": "^0.2.3",
     "ts-jest": "^23.10.4",
+    "ts-node": "^8.0.3",
+    "ts-transformer-imports": "^0.4.1",
+    "tsconfig-paths": "^3.8.0",
     "tslint": "^5.10.0",
     "tslint-eslint-rules": "^5.4.0",
-    "typescript": "^3.0.1"
+    "ttypescript": "^1.5.6",
+    "typescript": "^3.4.2"
   },
   "dependencies": {
     "@expo/spawn-async": "^1.4.0",

src/scripts/setConfigurations.ts

@@ -1,12 +1,13 @@
-import { env } from 'turtle/utils/env';
-import { connect, RedisClient } from 'turtle/utils/redis';
+
 import { PLATFORMS } from 'turtle/constants';
+import logger from 'turtle/logger';
 import {
   createConfigurationsKey,
   createDefaultConfigurationKey,
   HIGH_CONFIGURATION,
   NORMAL_CONFIGURATION,
 } from 'turtle/utils/priorities';
+import { connect, RedisClient } from 'turtle/utils/redis';
 
 const TIMEOUT = 3000;
 
@@ -25,7 +26,6 @@ const TIMEOUT = 3000;
 // they should come back to using configurations no. 1 and 2.
 // If there are no more available configurations from the table, the default configuration is used.
 
-
 const AVAILABLE_CONFIGURATIONS_IOS = [
   HIGH_CONFIGURATION,
   HIGH_CONFIGURATION,
@@ -54,7 +54,6 @@ const AVAILABLE_CONFIGURATIONS_ANDROID = [
   NORMAL_CONFIGURATION,
 ];
 
-
 const DEFAULT_CONFIGURATION = HIGH_CONFIGURATION;
 
 async function run() {
@@ -68,6 +67,8 @@ async function run() {
   redis.disconnect();
 }
 
-run()
-  .then(() => console.log('All done'))
-  .catch(err => console.error('Error:', err));
+if (require.main === module) {
+  run()
+    .then(() => logger.info('All done'))
+    .catch((err) => logger.error('Error:', err));
+}

src/utils/redis.ts

@@ -20,7 +20,7 @@ const clientToUrl: IClientConfig = {
   [RedisClient.Configuration]: config.redis.configUrl,
 };
 
-export function connect(timeoutMs: number, type: string) {
+export function connect(timeoutMs: number, type: string): Promise<any> {
   return new Promise((resolve, reject) => {
     const redisClient = new Redis(clientToUrl[type], {
       maxRetriesPerRequest: 2,

tsconfig.json

@@ -6,17 +6,20 @@
     "sourceMap": true,
     "inlineSources": true,
     "outDir": "./build",
-    "rootDir": "./src",
     "strict": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
     "noFallthroughCasesInSwitch": true,
     "esModuleInterop": true,
-    "baseUrl": "./",
+    "baseUrl": ".",
     "paths": {
       "turtle/*": ["src/*"],
     },
-    "allowJs": true
+    "allowJs": true,
+    "plugins": [
+      { "transform": "ts-transformer-imports" }
+    ]
   },
+  "include": ["src"],
   "exclude": ["node_modules", "build", "workingdir"]
 }