Update to gulp@4

code/gulpfile.js

@@ -27,7 +27,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // -----------------------------------------------------------------------------
 
 const gulp = require('gulp');
-const runSequence = require('run-sequence');
 const through = require('through2');
 
 const htmlmin = require('gulp-htmlmin');
@@ -191,15 +190,15 @@ gulp.task('webui_all', function() {
     return buildWebUI('all');
 });
 
-gulp.task('webui', function(cb) {
-    runSequence([
+gulp.task('webui',
+    gulp.parallel(
         'webui_small',
         'webui_sensor',
         'webui_light',
         'webui_rfbridge',
         'webui_rfm69',
         'webui_all'
-    ], cb);
-});
+    )
+);
 
-gulp.task('default', ['webui']);
+gulp.task('default', gulp.series('webui'));

code/package.json

@@ -1,12 +1,11 @@
 {
   "name": "esp8266-filesystem-builder",
-  "version": "0.2.2",
   "description": "Gulp based build system for ESP8266 file system files",
   "main": "gulpfile.js",
   "author": "Xose Pérez <xose.perez@gmail.com>",
   "license": "GPL-3.0",
   "devDependencies": {
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.0",
     "gulp-base64-favicon": "^1.0.2",
     "gulp-crass": "^0.2.2",
     "gulp-css-base64": "^1.3.4",
@@ -17,8 +16,6 @@
     "gulp-inline": "^0.1.1",
     "gulp-remove-code": "^3.0.4",
     "gulp-rename": "^1.4.0",
-    "gulp-replace": "^1.0.0",
-    "map-stream": "0.0.7",
-    "run-sequence": "^2.2.1"
+    "gulp-replace": "^1.0.0"
   }
 }