Issue: HCMFAB Timesheet app not working in WebIDE
Following code need to be added to Component.js to solve issue
(function() {
jQuery.sap.registerModulePath("hcm.fab.lib.common", "/sap/bc/ui5_ui5/sap/hcmfab_common/");
}());
https://blogs.sap.com/2018/08/22/sap-fiori-2.0-for-sap-hcm-how-to-extend-my-profile-app-using-sap-web-ide/