chore(build): migrate build system from rollup and parcel to vite

Replaces Rollup and Parcel with Vite as the sole build tool in order to reduce complexity. The
changes involve:

- Removed `.parcelrc` and `rollup.config.js`, as their functionalities are now handled by Vite.
- Introduced multiple Vite config to support the various build outputs previously managed by Rollup.
- Updated `package.json` to integrate Vite dependencies and remove those related to Rollup and
  Parcel (2 Rollup plugins have been retained, including Babel to enhance browser compatibility and
  Terser for minifying the UMD build).
- Modified `scss/pillarbox.scss` to enhance compatibility with the new Vite build setup. This update
  includes simplifying SCSS imports, making it easier to resolve external dependencies without
  depending on the file's location.
- The server previously started by Parcel for the demo pages is now efficiently handled by Vite's
  native development server.

Author: jboix

.parcelrc

@@ -25,26 +25,22 @@
   "directories": {
     "doc": "docs"
   },
-  "targets": {
-    "main": false,
-    "github-page": {
-      "publicUrl": "./",
-      "isLibrary": false,
-      "outputFormat": "esmodule"
-    }
-  },
   "scripts": {
     "build": "npm run build:lib && npm run build:typings && npm run build:css",
     "build:css": "sass ./scss/pillarbox.scss:dist/pillarbox.min.css --style compressed --source-map --load-path node_modules",
-    "build:lib": "rollup -c",
+    "build:lib": "npm run build:core && npm run build:es && npm run build:cjs && npm run build:umd",
+    "build:core": "vite build --config vite.config.core.js",
+    "build:es": "vite build --config vite.config.es.js",
+    "build:cjs": "vite build --config vite.config.cjs.js",
+    "build:umd": "vite build --config vite.config.umd.js",
     "build:typings": "npx -p typescript tsc",
     "eslint": "eslint --ext .js src",
     "generate:docs": "jsdoc --configure docs/api/jsdoc.json --verbose",
-    "github:page": "parcel build index.html --target github-page && npm run generate:docs",
+    "github:page": "vite build && npm run generate:docs",
     "outdated": "npm outdated",
     "prebuild": "rimraf dist",
     "release:ci": "semantic-release",
-    "start": "parcel -p 6969 index.html",
+    "start": "vite --port 6969 --open",
     "stylelint": "stylelint **/*.scss --custom-syntax --allow-empty-input",
     "stylelint:fix": "stylelint **/*.scss --fix",
     "test": "jest --verbose",
@@ -69,11 +65,7 @@
     "@babel/preset-env": "^7.24.1",
     "@commitlint/cli": "^18.4.3",
     "@commitlint/config-conventional": "^18.4.3",
-    "@parcel/transformer-sass": "^2.11.0",
     "@rollup/plugin-babel": "^6.0.4",
-    "@rollup/plugin-commonjs": "^25.0.7",
-    "@rollup/plugin-json": "^6.1.0",
-    "@rollup/plugin-node-resolve": "^15.2.3",
     "@rollup/plugin-terser": "^0.4.4",
     "@semantic-release/changelog": "^6.0.3",
     "@semantic-release/git": "^10.0.1",
@@ -91,16 +83,14 @@
     "jest-environment-jsdom": "^29.6.1",
     "jsdoc": "^4.0.2",
     "jsdoc-tsimport-plugin": "^1.0.5",
-    "parcel": "^2.11.0",
     "rimraf": "^5.0.5",
-    "rollup": "^4.9.6",
-    "rollup-plugin-filesize": "^10.0.0",
     "sass": "^1.70.0",
     "semantic-release": "^23.0.0",
     "stylelint": "^16.2.1",
     "stylelint-config-rational-order": "^0.1.2",
     "stylelint-order": "^6.0.4",
-    "typescript": "^5.3.3"
+    "typescript": "^5.3.3",
+    "vite": "^5.4.10"
   },
   "dependencies": {
     "video.js": "^8.11.8",

package-lock.json

@@ -1,4 +1,4 @@
-@import '../node_modules/video.js/dist/video-js';
+@import 'video.js/dist/video-js';
 
 /*
 ******************************************************************************

package.json

@@ -1,6 +1,6 @@
 import Pillarbox from '../pillarbox.js';
-import * as vjsLang from 'video.js/dist/lang/de.json';
-import * as pillarboxLang from './de.json';
+import vjsLang from 'video.js/dist/lang/de.json';
+import pillarboxLang from './de.json';
 
 Pillarbox.addLanguage('de', {
   ...vjsLang,

rollup.config.js

@@ -1,6 +1,6 @@
 import Pillarbox from '../pillarbox.js';
-import * as vjsLang from 'video.js/dist/lang/en.json';
-import * as pillarboxLang from './en.json';
+import vjsLang from 'video.js/dist/lang/en.json';
+import pillarboxLang from './en.json';
 
 Pillarbox.addLanguage('en', {
   ...vjsLang,

scss/pillarbox.scss

@@ -1,6 +1,6 @@
 import Pillarbox from '../pillarbox.js';
-import * as vjsLang from 'video.js/dist/lang/fr.json';
-import * as pillarboxLang from './fr.json';
+import vjsLang from 'video.js/dist/lang/fr.json';
+import pillarboxLang from './fr.json';
 
 Pillarbox.addLanguage('fr', {
   ...vjsLang,

src/lang/de.js

@@ -1,6 +1,6 @@
 import Pillarbox from '../pillarbox.js';
-import * as vjsLang from 'video.js/dist/lang/it.json';
-import * as pillarboxLang from './it.json';
+import vjsLang from 'video.js/dist/lang/it.json';
+import pillarboxLang from './it.json';
 
 Pillarbox.addLanguage('it', {
   ...vjsLang,

src/lang/en.js

@@ -1,5 +1,5 @@
 import Pillarbox from '../pillarbox.js';
-import * as pillarboxLang from './rm.json';
+import pillarboxLang from './rm.json';
 
 Pillarbox.addLanguage('rm', {
   ...pillarboxLang,