Asteroids testing and issue resolution

Author: Jeffrey Brown

.babelrc

@@ -0,0 +1,3 @@
+{
+  "presets": [ "@babel/preset-env" ]
+}

environments/environment_dev.js

@@ -0,0 +1,29 @@
+// import all needed gulp libraries and plugins //
+const { dest, series, src } = require('gulp')
+const babel = require('gulp-babel')
+const concat = require('gulp-concat')
+const uglify = require('gulp-uglify')
+
+// import supporting libraries and packages //
+const del = require('del')
+
+// define paths //
+const paths = {
+  scripts: {
+    src: './lib/*.js',
+    dest: './dist'
+  }
+}
+
+// remove previous build //
+export const clean = () => del(['./dist'])
+
+function transpile () {
+  return src(paths.scripts.src, { sourcemaps: true })
+    .pipe(babel())
+    .pipe(uglify())
+    .pipe(concat('index.min.js'))
+    .pipe(dest(paths.scripts.dest))
+}
+
+exports.build = series(clean, transpile)

environments/environment_prod.js

@@ -1,5 +1,5 @@
 'use strict'
 
 // export modules
-module.exports = require('./lib/apod.js')
-module.exports = require ('./lib/asteroids.js')
+module.exports = require('./dist/apod.js')
+module.exports = require('./dist/asteroids.js')