<template id="assets_backend" inherit_id="web.assets_backend">
    <xpath expr="//script[last()]" position="after">
        <script type="text/javascript" src="/my_module/static/src/js/location_search.js"></script>
    </xpath>
</template>

<template id="my_module.location_input" inherit_id="my_module.planned_location_template" customize_show="True">
    <xpath expr="//div[@name='my_module_location_search']" position="inside">

            <div class="r_input">
                <input type="text"/>
            </div>

    </xpath>
</template>


the js file:


odoo.define('my_module.location_input', function (require) {
"use strict";
console.log('location searchbar');


var publicWidget = require('web.public.widget');

publicWidget.registry.LocationSearchBar =publicWidget.Widget.extend({
    selector: '.r_input',

});

});