Merge pull request #5 from negezor/migrate-to-gulp4

fix(build): Migrate to gulp 4

Author: laktyushin

gulpfile.js

@@ -2,7 +2,6 @@ var gulp = require('gulp');
 var watch = require('gulp-watch');
 var htmlreplace = require('gulp-html-replace');
 var eventstream = require("event-stream");
-var gulpSequence = require('gulp-sequence');
 var rename = require('gulp-rename');
 var replace = require('gulp-replace');
 var gzip = require('gulp-gzip');
@@ -22,8 +21,6 @@ gulp.task('copy-extension', function() {
         .pipe(gulp.dest(extensionDestination));
 });
 
-gulp.task('copy-extension-bundle', gulpSequence('copy-all', 'build-demo-data', 'replace-demo-data', 'create-bm', 'create-standalone', 'create-gzip', 'copy-manifest', 'copy-renderManager','copy-debug'))
-
 gulp.task('copy-all', function() {
     return gulp.src(extensionSource+'/**/*')
         .pipe(gulp.dest('./build'));
@@ -90,7 +87,7 @@ gulp.task('build-demo-data', function() {
 });
 
 
-gulp.task('replace-demo-data',['build-demo-data'], function() {
+gulp.task('replace-demo-data', gulp.series(['build-demo-data'], function() {
     //htmlreplace;
     return gulp.src('bundle/assets/player/demo.html')
         .pipe(htmlreplace({
@@ -100,4 +97,6 @@ gulp.task('replace-demo-data',['build-demo-data'], function() {
             }
         }))
         .pipe(gulp.dest('build/assets/player/'));
-});
+}));
+
+gulp.task('copy-extension-bundle', gulp.series('copy-all', 'build-demo-data', 'replace-demo-data', 'create-bm', 'create-standalone', 'create-gzip', 'copy-manifest', 'copy-renderManager','copy-debug'))

package.json

@@ -27,19 +27,18 @@
     "eslint-plugin-import": "^2.17.2",
     "eslint-plugin-jsx-a11y": "2.2.3",
     "eslint-plugin-react": "6.4.1",
-    "event-stream": "3.3.4",
+    "event-stream": "4.0.1",
     "extract-text-webpack-plugin": "1.0.1",
     "file-loader": "0.9.0",
     "filesize": "3.3.0",
     "fs-extra": "0.30.0",
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.2",
     "gulp-gzip": "^1.4.0",
     "gulp-html-replace": "^1.6.2",
     "gulp-insert": "^0.5.0",
     "gulp-rename": "^1.2.2",
-    "gulp-replace": "^0.5.4",
-    "gulp-sequence": "^0.4.6",
-    "gulp-watch": "^4.3.11",
+    "gulp-replace": "^1.0.0",
+    "gulp-watch": "^5.0.1",
     "gzip-size": "3.0.0",
     "html-webpack-plugin": "2.24.0",
     "http-proxy-middleware": "^0.19.1",