To resolve eonasdan-bootstrap-datetimepicker with exception Caught Type: exception datetimepicker()........ is not a function.
Bootstrap-datetimepicker is trying to use it's own jquery force it to use same version of jquery used by other node_modules, inside your webpack configurations file add this.
.webpackConfig({
resolve: {
alias: {
// Force all modules to use the same jquery version.
'jquery': path.join(__dirname, 'node_modules/jquery/src/jquery')
}