build: upgrade all npm dependencies and refactor Gulpfiles

.editorconfig

@@ -9,3 +9,6 @@ charset = utf-8
 indent_style = space
 indent_size = 4
 trim_trailing_whitespace = true
+
+[*.json]
+indent_size = 2

docs/gulpfile.mjs

@@ -0,0 +1,54 @@
+// jshint node:true
+'use strict';
+
+import gulp from 'gulp';
+import gulpAutoprefixer from 'gulp-autoprefixer';
+import gulpLivereload from 'gulp-livereload';
+import gulpCleanCss from 'gulp-clean-css';
+import gulpSassPlugin from 'gulp-sass';
+import sass from 'sass';
+import vinylPaths from 'vinyl-paths';
+import {deleteSync} from 'del';
+
+const gulpSass = () => gulpSassPlugin(sass)();
+
+const mainStyle = 'scss/main.scss';
+
+
+const clean = function () {
+    return gulp.src('dist/*')
+        .pipe(vinylPaths(deleteSync));
+};
+
+
+const styles = function () {
+    return gulp.src(mainStyle)
+        .pipe(gulpSass({
+            sass: 'sass',
+            includePaths: ['sass']
+        }))
+        .pipe(gulpAutoprefixer(['last 1 version', '> 1%', 'ff >= 20', 'ie >= 8', 'opera >= 12', 'Android >= 2.2'], {cascade: true}))
+        .pipe(gulpCleanCss())
+        .pipe(gulp.dest('css/'));
+};
+
+
+const watch = function () {
+    gulp.watch(['scss/*.scss'], styles);
+
+    gulp.watch(['css/**', 'img/*', 'js/*'], function (file) {
+        gulpLivereload.changed(file);
+    });
+
+    gulpLivereload.listen();
+};
+
+const build = gulp.series(styles);
+
+const buildAndWatch = gulp.series(build, watch);
+
+export default buildAndWatch;
+export {
+    clean,
+    build,
+};

docs/package.json

@@ -1,33 +1,19 @@
 {
   "name": "trumbowyg-github-page",
-  "title": "Trumbowyg GitHub Page",
-  "description": "GitHub page of Trumbowyg",
-  "homepage": "http://alex-d.github.io/Trumbowyg",
   "private": true,
   "author": {
     "name": "Alexandre Demode (Alex-D)",
     "email": "[email protected]",
-    "url": "http://alex-d.fr"
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/Alex-D/Trumbowyg.git"
-  },
-  "bugs": {
-    "url": "https://github.com/Alex-D/Trumbowyg/issues"
+    "url": "https://alex-d.fr"
   },
   "license": "MIT",
-  "devDependencies": {
-    "gulp": "3.9.1",
-    "gulp-autoprefixer": "6.0.0",
-    "gulp-clean-css": "3.7.0",
-    "gulp-livereload": "4.0.1",
-    "gulp-load-plugins": "1.5.0",
-    "gulp-sass": "4.0.2"
-  },
   "scripts": {
-    "start": "gulp",
-    "build": "gulp build",
-    "test": "gulp test"
+    "dev": "gulp",
+    "clean": "gulp clean",
+    "build": "gulp build"
+  },
+  "volta": {
+    "node": "18.12.1",
+    "npm": "9.3.0"
   }
 }