Gulp task improvement.

gulpfile.js

@@ -1,34 +1,35 @@
-const { series, src, watch, dest, parallel} = require('gulp');
+const { series, src, watch, dest, parallel, task} = require('gulp');
-const del             = require('del');
+const del             = require('promised-del');
 const uglify          = require('gulp-uglify');
 const concat          = require('gulp-concat');
 
 var paths = {
     minified: 'contao-leaflet.js',
-    scripts:  ['js/*.js'],
+    scripts:  ['js/vendor/*.js', 'js/*.js'],
     dest:     'src/Bundle/Resources/public/js'
 };
 
-function cleanTask (cb) {
+function clean () {
-    del([paths.dest + '/' + paths.minified]);
+    return del([paths.dest + '/' + paths.minified]);
-    cb();
 }
 
-const buildTask = series(cleanTask, function (cb) {
+function build () {
     return src(paths.scripts)
         .pipe(concat(paths.minified))
         .pipe(uglify())
         .pipe(dest(paths.dest));
-});
+}
+
+const buildTasks = series(clean, build);
 
 function watchTask () {
     watch(
         paths.scripts,
-        buildTask
+        buildTasks
     )
 }
 
-exports.clean   = cleanTask;
+exports.clean   = clean;
 exports.watch   = watchTask;
-exports.build   = buildTask;
+exports.build   = buildTasks;
-exports.default = buildTask;
+exports.default = buildTasks;

js/Contao.js

@@ -329,7 +329,6 @@ L.Contao = L.Evented.extend({
         return value;
     },
 
-
     /**
      * Apply the filter to a request url.
      *

package-lock.json

@@ -157,6 +157,11 @@
       "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
     },
+    "async": {
+      "version": "1.5.2",
+      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
+    },
     "async-done": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/async-done/-/async-done-1.3.1.tgz",
@@ -618,26 +623,6 @@
         }
       }
     },
-    "del": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/del/-/del-3.0.0.tgz",
-      "integrity": "sha1-U+z2mf/LyzljdpGrE7rxYIGXZuU=",
-      "requires": {
-        "globby": "^6.1.0",
-        "is-path-cwd": "^1.0.0",
-        "is-path-in-cwd": "^1.0.0",
-        "p-map": "^1.1.1",
-        "pify": "^3.0.0",
-        "rimraf": "^2.2.8"
-      },
-      "dependencies": {
-        "pify": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
-        }
-      }
-    },
     "detect-file": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/detect-file/-/detect-file-1.0.0.tgz",
@@ -654,6 +639,15 @@
         "stream-shift": "^1.0.0"
       }
     },
+    "each-async": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/each-async/-/each-async-1.1.1.tgz",
+      "integrity": "sha1-3uUim98KtrogEqOV4bhpq/iBNHM=",
+      "requires": {
+        "onetime": "^1.0.0",
+        "set-immediate-shim": "^1.0.0"
+      }
+    },
     "each-props": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/each-props/-/each-props-1.3.2.tgz",
@@ -1508,18 +1502,6 @@
         "which": "^1.2.14"
       }
     },
-    "globby": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
-      "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
-      "requires": {
-        "array-union": "^1.0.1",
-        "glob": "^7.0.3",
-        "object-assign": "^4.0.1",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0"
-      }
-    },
     "glogg": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/glogg/-/glogg-1.0.1.tgz",
@@ -2168,11 +2150,6 @@
       "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
       "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
     },
-    "object-assign": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
-      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
-    },
     "object-copy": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/object-copy/-/object-copy-0.1.0.tgz",
@@ -2270,6 +2247,11 @@
         "wrappy": "1"
       }
     },
+    "onetime": {
+      "version": "1.1.0",
+      "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+      "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k="
+    },
     "ordered-read-streams": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz",
@@ -2286,11 +2268,6 @@
         "lcid": "^1.0.0"
       }
     },
-    "p-map": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/p-map/-/p-map-1.2.0.tgz",
-      "integrity": "sha512-r6zKACMNhjPJMTl8KcFH4li//gkrXWfbD6feV8l6doRHlzljFWGJ2AP6iKaCJXyZmAUMOPtvbW7EXkbWO/pLEA=="
-    },
     "parse-filepath": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/parse-filepath/-/parse-filepath-1.0.2.tgz",
@@ -2403,6 +2380,71 @@
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
       "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
     },
+    "promised-del": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/promised-del/-/promised-del-1.0.2.tgz",
+      "integrity": "sha1-voAvuP8mB+qrxAZnjTN+tKJO39U=",
+      "requires": {
+        "del": "^1.1.1",
+        "promise": "^6.0.1"
+      },
+      "dependencies": {
+        "asap": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/asap/-/asap-1.0.0.tgz",
+          "integrity": "sha1-sqRdpf36ILBJb8N2jMJ8EvqRan0="
+        },
+        "del": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/del/-/del-1.2.1.tgz",
+          "integrity": "sha1-rtblvNfLcyXfNPVjEl+iZbLBoBQ=",
+          "requires": {
+            "each-async": "^1.0.0",
+            "globby": "^2.0.0",
+            "is-path-cwd": "^1.0.0",
+            "is-path-in-cwd": "^1.0.0",
+            "object-assign": "^3.0.0",
+            "rimraf": "^2.2.8"
+          }
+        },
+        "glob": {
+          "version": "5.0.15",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-5.0.15.tgz",
+          "integrity": "sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=",
+          "requires": {
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "2 || 3",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "globby": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/globby/-/globby-2.1.0.tgz",
+          "integrity": "sha1-npGSvNM/Srak+JTl5+qLcTITxII=",
+          "requires": {
+            "array-union": "^1.0.1",
+            "async": "^1.2.1",
+            "glob": "^5.0.3",
+            "object-assign": "^3.0.0"
+          }
+        },
+        "object-assign": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-3.0.0.tgz",
+          "integrity": "sha1-m+3VygiXlJvKR+f/QIBi1Un1h/I="
+        },
+        "promise": {
+          "version": "6.1.0",
+          "resolved": "http://registry.npmjs.org/promise/-/promise-6.1.0.tgz",
+          "integrity": "sha1-LOcp9rlLRcJoka0GAsXJDgTG7vY=",
+          "requires": {
+            "asap": "~1.0.0"
+          }
+        }
+      }
+    },
     "pump": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/pump/-/pump-2.0.1.tgz",
@@ -2615,6 +2657,11 @@
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
+    "set-immediate-shim": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz",
+      "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E="
+    },
     "set-value": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.0.tgz",

package.json

@@ -4,11 +4,11 @@
   "description": "Leaflet maps for Contao",
   "main": "gulpfile.js",
   "dependencies": {
-    "del": "^3.0.0",
     "gulp": "^4.0.0",
     "gulp-cli": "^2.0.1",
     "gulp-concat": "^2.6.1",
-    "gulp-uglify": "^3.0.1"
+    "gulp-uglify": "^3.0.1",
+    "promised-del": "^1.0.2"
   },
   "devDependencies": {},
   "scripts": {