diff --git a/gulpfile.js b/gulpfile.js
index 96f32bd..2bc7767 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -3,6 +3,7 @@
 
 var gulp = require("gulp");
 var concat = require("gulp-concat");
+var babel = require("gulp-babel");
 var postcss = require("gulp-postcss");
 var rename = require("gulp-rename");
 var sass = require("gulp-sass");
@@ -35,8 +36,13 @@ function javascript() {
   return gulp
     .src(src_path + "scripts/[!_]*.js", { since: gulp.lastRun(javascript) })
     .pipe(sourcemaps.init())
-    .pipe(concat("scripts/main.js"))
+    .pipe(
+      babel({
+        presets: ["@babel/env"],
+      })
+    )
     .pipe(uglify())
+    .pipe(concat("scripts/main.js"))
     .pipe(sourcemaps.write(""))
     .pipe(gulp.dest(dest_path));
 }
diff --git a/package-lock.json b/package-lock.json
index 143193f..35eef8a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2,6 +2,1187 @@
   "requires": true,
   "lockfileVersion": 1,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.14.5.tgz",
+      "integrity": "sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.14.5"
+      }
+    },
+    "@babel/compat-data": {
+      "version": "7.14.7",
+      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.14.7.tgz",
+      "integrity": "sha512-nS6dZaISCXJ3+518CWiBfEr//gHyMO02uDxBkXTKZDN5POruCnOZ1N4YBRZDCabwF8nZMWBpRxIicmXtBs+fvw==",
+      "dev": true
+    },
+    "@babel/core": {
+      "version": "7.14.8",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.14.8.tgz",
+      "integrity": "sha512-/AtaeEhT6ErpDhInbXmjHcUQXH0L0TEgscfcxk1qbOvLuKCa5aZT0SOOtDKFY96/CLROwbLSKyFor6idgNaU4Q==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.14.5",
+        "@babel/generator": "^7.14.8",
+        "@babel/helper-compilation-targets": "^7.14.5",
+        "@babel/helper-module-transforms": "^7.14.8",
+        "@babel/helpers": "^7.14.8",
+        "@babel/parser": "^7.14.8",
+        "@babel/template": "^7.14.5",
+        "@babel/traverse": "^7.14.8",
+        "@babel/types": "^7.14.8",
+        "convert-source-map": "^1.7.0",
+        "debug": "^4.1.0",
+        "gensync": "^1.0.0-beta.2",
+        "json5": "^2.1.2",
+        "semver": "^6.3.0",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
+          "dev": true,
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "@babel/generator": {
+      "version": "7.14.8",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.14.8.tgz",
+      "integrity": "sha512-cYDUpvIzhBVnMzRoY1fkSEhK/HmwEVwlyULYgn/tMQYd6Obag3ylCjONle3gdErfXBW61SVTlR9QR7uWlgeIkg==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.14.8",
+        "jsesc": "^2.5.1",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "@babel/helper-annotate-as-pure": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.14.5.tgz",
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+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.14.5"
+      }
+    },
+    "@babel/helper-builder-binary-assignment-operator-visitor": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.14.5.tgz",
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+      "dev": true,
+      "requires": {
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+        "@babel/types": "^7.14.5"
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+      "resolved": "https://registry.npmjs.org/@babel/helper-compilation-targets/-/helper-compilation-targets-7.14.5.tgz",
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+      "dev": true,
+      "requires": {
+        "@babel/compat-data": "^7.14.5",
+        "@babel/helper-validator-option": "^7.14.5",
+        "browserslist": "^4.16.6",
+        "semver": "^6.3.0"
+      },
+      "dependencies": {
+        "browserslist": {
+          "version": "4.16.6",
+          "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.6.tgz",
+          "integrity": "sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==",
+          "dev": true,
+          "requires": {
+            "caniuse-lite": "^1.0.30001219",
+            "colorette": "^1.2.2",
+            "electron-to-chromium": "^1.3.723",
+            "escalade": "^3.1.1",
+            "node-releases": "^1.1.71"
+          }
+        },
+        "colorette": {
+          "version": "1.2.2",
+          "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
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+          "dev": true
+        },
+        "electron-to-chromium": {
+          "version": "1.3.786",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.786.tgz",
+          "integrity": "sha512-AmvbLBj3hepRk8v/DHrFF8gINxOFfDbrn6Ts3PcK46/FBdQb5OMmpamSpZQXSkfi77FfBzYtQtAk+00LCLYMVw==",
+          "dev": true
+        },
+        "node-releases": {
+          "version": "1.1.73",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.73.tgz",
+          "integrity": "sha512-uW7fodD6pyW2FZNZnp/Z3hvWKeEW1Y8R1+1CnErE8cXFXzl5blBOoVB41CvMer6P6Q0S5FXDwcHgFd1Wj0U9zg==",
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+        }
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+      "resolved": "https://registry.npmjs.org/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.14.8.tgz",
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+        "@babel/helper-optimise-call-expression": "^7.14.5",
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+        "debug": "^4.1.1",
+        "lodash.debounce": "^4.0.8",
+        "resolve": "^1.14.2",
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+          "version": "0.5.0",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
+          "dev": true
+        }
+      }
+    },
     "remove-bom-buffer": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/remove-bom-buffer/-/remove-bom-buffer-3.0.0.tgz",
@@ -5098,6 +6499,12 @@
         "is-negated-glob": "^1.0.0"
       }
     },
+    "to-fast-properties": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+      "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
+      "dev": true
+    },
     "to-object-path": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
@@ -5239,6 +6646,34 @@
       "resolved": "https://registry.npmjs.org/undertaker-registry/-/undertaker-registry-1.0.1.tgz",
       "integrity": "sha1-XkvaMI5KiirlhPm5pDWaSZglzFA="
     },
+    "unicode-canonical-property-names-ecmascript": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",
+      "integrity": "sha512-jDrNnXWHd4oHiTZnx/ZG7gtUTVp+gCcTTKr8L0HjlwphROEW3+Him+IpvC+xcJEFegapiMZyZe02CyuOnRmbnQ==",
+      "dev": true
+    },
+    "unicode-match-property-ecmascript": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/unicode-match-property-ecmascript/-/unicode-match-property-ecmascript-1.0.4.tgz",
+      "integrity": "sha512-L4Qoh15vTfntsn4P1zqnHulG0LdXgjSO035fEpdtp6YxXhMT51Q6vgM5lYdG/5X3MjS+k/Y9Xw4SFCY9IkR0rg==",
+      "dev": true,
+      "requires": {
+        "unicode-canonical-property-names-ecmascript": "^1.0.4",
+        "unicode-property-aliases-ecmascript": "^1.0.4"
+      }
+    },
+    "unicode-match-property-value-ecmascript": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.2.0.tgz",
+      "integrity": "sha512-wjuQHGQVofmSJv1uVISKLE5zO2rNGzM/KCYZch/QQvez7C1hUhBIuZ701fYXExuufJFMPhv2SyL8CyoIfMLbIQ==",
+      "dev": true
+    },
+    "unicode-property-aliases-ecmascript": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-1.1.0.tgz",
+      "integrity": "sha512-PqSoPh/pWetQ2phoj5RLiaqIk4kCNwoV3CI+LfGmWLKI3rE3kl1h59XpX2BjgDrmbxD9ARtQobPGU1SguCYuQg==",
+      "dev": true
+    },
     "union-value": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
diff --git a/package.json b/package.json
index bb3898a..c470038 100644
--- a/package.json
+++ b/package.json
@@ -14,5 +14,10 @@
     "postcss": "^7.0.36",
     "postcss-easy-import": "^3.0.0",
     "sass": "^1.36.0"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.14.8",
+    "@babel/preset-env": "^7.14.8",
+    "gulp-babel": "^8.0.0"
   }
 }