Client Ajax Contact Form using TypeScript

_requires-auth-partial.html

{{ `/client-ts/login?continue=${PathInfo}`
   | redirectIfNotAuthenticated }}

<div style="text-align:right">
    <small class="text-muted">
        {{ userSession.DisplayName }}
        | <a href="/auth/logout?continue=/client-ts/">Sign Out</a>
    </small>
</div>

index.html

{{ 'requires-auth' | partial }}

<h3>Add new Contact</h3>

<form action="/contacts" method="post" class="col-lg-4">
    <div class="form-group" data-validation-summary="title,name,color,filmGenres,age,agree"></div>

    <div class="form-group">
        <div class="form-check">
            {{#each contactTitles}}
            <div class="custom-control custom-radio custom-control-inline">
                <input type="radio" id="title-{{Key}}" name="title" value="{{Key}}" class="custom-control-input">
                <label class="custom-control-label" for="title-{{Key}}">{{Value}}</label>
            </div>
            {{/each}}
        </div>
    </div>
    <div class="form-group">
        <label for="name">Full Name</label>
        <input class="form-control" id="name" name="name" type="text" placeholder="Name">
        <small id="name-help" class="text-muted">Your first and last name</small>
    </div>
    <div class="form-group">
        <label class="form-label" for="color">Favorite color</label>
        <select id="color" name="color" class="col-4 form-control">
            <option value=""></option>
            {{#each contactColors}}
                <option value="{{Key}}">{{Value}}</option>
            {{/each}}
        </select>
    </div>
    <div class="form-group">
        <label class="form-check-label">Favorite Film Genres</label>
        <div class="form-check">
        {{#each contactGenres}}
            <div class="custom-control custom-checkbox">
                <input type="checkbox" id="filmGenres-{{it}}" name="filmGenres" value="{{it}}" class="form-check-input">
                <label class="form-check-label" for="filmGenres-{{it}}">{{it}}</label>
            </div>
        {{/each}}
        </div>
    </div>
    <div class="form-group">
        <input class="form-control col-3" name="age" type="number" min="13" placeholder="Age">
    </div>
    <div class="form-group">
        <div class="form-check">
            <input class=" form-check-input" id="agree" name="agree" type="checkbox" value="true">
            <label class="form-check-label" for="agree">Agree to terms and conditions</label>
        </div>
    </div>
    <div class="form-group">
        <button class="btn btn-primary" type="submit">Add Contact</button>
        <a href="/client-ts/contacts/">reset</a>
    </div>
</form>

<table id="results"></table>

{{#capture appendTo scripts}}
<script>var CONTACTS = {{ sendToGateway('GetContacts') | map => it.Results | json }};</script>
{{/capture}}

{{#raw appendTo scripts}}
<script src="index.js"></script>
{{/raw}}

{{ htmlError }}

index.ts

import { bootstrapForm, bindHandlers, JsonServiceClient } from "@servicestack/client";
import {Contact, DeleteContact, GetContact, GetContacts} from "../../../dtos";

declare var CONTACTS:Contact[];

const client = new JsonServiceClient();

const form = document.querySelector("form")!;
bootstrapForm(form,{
    success: function (r:{result:Contact}) {
        form.reset();
        CONTACTS.push(r.result);
        render();
    }
});
bindHandlers({
    deleteContact: async function(id:number) {
        if (!confirm('Are you sure?'))
            return;

        await client.delete(new DeleteContact({ id }));
        const response = await client.get(new GetContacts());
        CONTACTS = response.results;
        render();
    }
});

const contactRow = (contact:Contact) =>
    `<tr style="background:${contact.color}">
        <td>${contact.title} ${contact.name} (${contact.age})</td>
        <td><a href="/client-ts/contacts/${contact.id}/edit">edit</a></td>
        <td><button class="btn btn-sm btn-primary" data-click="deleteContact:${contact.id}">delete</button></td>
    </tr>`;

function render() {
    let sb = "";
    if (CONTACTS.length > 0) {
        for (let i=0; i<CONTACTS.length; i++) {
            sb += contactRow(CONTACTS[i])
        }
    } else {
        sb = "<tr><td>There are no contacts.</td></tr>";
    }
    document.querySelector("#results")!.innerHTML = `<tbody>${sb}</tbody>`;
}

render();