chore: check CI with gulp4 (#96)

* chore: check CI with gulp4

* chore: update tasks

* chore: update kendo-package-tasks version

* chore: update gulp file

Author: Siyka Marinova

gulpfile.js

@@ -29,7 +29,7 @@ const cleanupCurrencies = (locale) => {
     return locale;
 };
 
-gulp.task("build-default-data", ["build-npm-package"], () => {
+gulp.task("build-default-data", gulp.series("build-npm-package", () => {
     const cldr = require("./dist/npm/js/cldr");
     cldr.load(likelySubtags, currencyData, weekData, numbers, currencies, timeZoneNames, calendar);
 
@@ -60,17 +60,17 @@ gulp.task("build-default-data", ["build-npm-package"], () => {
         }
     };
     fs.writeFileSync('src/cldr/default-data.js', `const defaultData = ${ toJSObject(defaultData) };\nexport default defaultData;`);
-});
+}));
 
 gulp.task('clean-locales', (done) => {
     exec(`rm -rf locales`, () => {
         done();
     });
 });
 
-gulp.task("build-locales", ["build-npm-package", 'clean-locales'], () => {
+gulp.task("build-locales", gulp.series("build-npm-package", 'clean-locales', () => {
     const intl = require('./dist/npm/js/main');
 
     buildLocales(intl, { destFolder: './locale-tests/locales' });
-});
+}));
 

package.json

@@ -23,12 +23,12 @@
   "dependencies": {},
   "devDependencies": {
     "@telerik/eslint-config": "^1.0.0",
-    "@progress/kendo-package-tasks": "^3.0.19",
+    "@progress/kendo-package-tasks": "^4.0.1",
     "@telerik/semantic-prerelease": "^1.3.3",
     "cldr-data": "latest",
     "cz-conventional-changelog": "^1.1.5",
     "ghooks": "^1.0.3",
-    "gulp": "3.9.1",
+    "gulp": "^4.0.0",
     "semantic-release": "^6.3.6",
     "validate-commit-msg": "^1.1.1"
   },