Add fix for gulp 4

Signed-off-by: r4sas <r4sas@i2pmail.org>

Fix from https://github.com/zhukov/webogram/issues/1863#issuecomment-507324801

gulpfile.js

@@ -7,6 +7,7 @@ var st = require('st')
 var del = require('del')
 var swPrecache = require('sw-precache')
 var Server = require('karma').Server
+var manifest = require('gulp-manifest3')
 
 // The generated file is being created at src
 // so it can be fetched by usemin.
@@ -221,7 +222,7 @@ var fileGlobs = [
   '!dist/css/badbrowser.css'
 ]
 
-function writeServiceWorkerFile (rootDir, handleFetch, callback) {
+function writeServiceWorkerFile(rootDir, handleFetch, callback) {
   var config = {
     cacheId: packageJson.name,
     handleFetch: handleFetch,
@@ -236,13 +237,13 @@ function writeServiceWorkerFile (rootDir, handleFetch, callback) {
   swPrecache.write(path.join(rootDir, 'service_worker.js'), config, callback)
 }
 
-gulp.task('generate-service-worker', gulp.series('build', function (callback) {
+/*gulp.task('generate-service-worker', gulp.series('build', function (callback) {
   writeServiceWorkerFile('dist', true, callback)
-}))
+}))*/
 
 gulp.task('add-appcache-manifest', gulp.series('build', function () {
   return gulp.src(fileGlobs)
-    .pipe($.manifest({
+    .pipe(manifest({
       timestamp: false,
       hash: true,
       network: ['http://*', 'https://*', '*'],
@@ -348,7 +349,9 @@ gulp.task('tdd', gulp.series('templates', 'karma-tdd'))
 
 gulp.task('package', gulp.series('cleanup-dist'))
 
-gulp.task('publish', gulp.series('add-appcache-manifest', 'generate-service-worker'))
+gulp.task('publish', gulp.series('add-appcache-manifest', function (callback) {
+  writeServiceWorkerFile('dist', true, callback)
+}))
 
 gulp.task('deploy', function () {
   return gulp.src('./dist/**/*')

package.json

@@ -54,7 +54,7 @@
     "gulp-less": "^4.0.1",
     "gulp-livereload": "^4.0.1",
     "gulp-load-plugins": "^1.5.0",
-    "gulp-manifest": "0.1.1",
+    "gulp-manifest3": "^0.1.2",
     "gulp-minify-css": "^0.3.12",
     "gulp-minify-html": "^0.1.1",
     "gulp-ng-annotate": "~0.5.2",
@@ -83,4 +83,4 @@
     ]
   },
   "dependencies": {}
-}
+}