Replace Gulp with Parcel for js bundling

frontend/package.json

@@ -1,46 +1,37 @@
 {
   "name": "gochan.js",
-  "version": "2.11.1",
+  "version": "3.0.0",
   "description": "",
-  "main": "index.js",
-  "scripts": {
-    "test": "jest --verbose",
-    "build": "gulp",
-    "build-minify": "gulp -m",
-    "build-watch": "gulp -w",
-    "build-minify-watch": "gulp -m -w"
+  "type": "module",
+  "source": "src/gochan.js",
+  "main": "../html/js/gochan.js",
+  "targets": {
+    "frontend": {
+      "source": "src/gochan.js",
+      "distDir": "../html/js/"
+    }
+  },
+  "browserslist": "> 0.5%, last 2 versions, not dead",
+  "private": true,
+  "scripts": {
+    "build": "parcel build --no-cache",
+    "watch": "parcel watch",
+    "test": "jest --verbose"
   },
-  "keywords": [],
   "author": "Eggbertx",
   "license": "BSD-2-Clause",
   "dependencies": {
-    "core-js": "^3.20.1",
-    "gulp-sourcemaps": "^2.6.5",
     "jquery": "^3.5.1",
-    "jqueryui": "^1.11.1",
-    "regenerator-runtime": "^0.13.9"
+    "jqueryui": "^1.11.1"
   },
   "devDependencies": {
-    "@babel/cli": "^7.10.1",
-    "@babel/core": "^7.10.2",
-    "@babel/preset-env": "^7.10.2",
-    "@babel/register": "^7.10.1",
+    "@babel/preset-env": "^7.16.11",
     "@jest/globals": "^27.4.6",
     "@types/jquery": "^3.3.38",
     "@types/jqueryui": "^1.12.13",
-    "babel-jest": "^27.4.6",
-    "babelify": "^10.0.0",
-    "browserify": "^16.5.0",
-    "fancy-log": "^1.3.3",
-    "gulp": "^4.0.2",
-    "gulp-babel": "^8.0.0",
-    "gulp-uglify": "^3.0.2",
+    "babel-jest": "^27.5.1",
     "jest": "^27.4.7",
-    "regenerator-runtime": "^0.13.9",
-    "stdio": "^0.2.7",
-    "vinyl-buffer": "^1.0.1",
-    "vinyl-source-stream": "^2.0.0",
-    "watchify": "^4.0.0",
+    "parcel": "^2.4.0",
     "yargs-parser": ">=5.0.0-security.0"
   }
 }