JSFiddle - React, Tailwind, and code Playground

by msieker

HTML

<script src="https://github.com/downloads/SteveSanderson/knockout/knockout-2.0.0.js"></script>
<script src="https://raw.github.com/SteveSanderson/knockout.mapping/master/build/output/knockout.mapping-latest.debug.js"></script>
<ul data-bind="foreach: data.outer">
    <li>
        <span data-bind="text:fullText"></span>
        <ul data-bind="foreach: inner">
            <li>
                <span data-bind="text:fullText"></span>
            </li>
        </ul>
    </li>
</ul>

JavaScript

var data = {
    outer: [
        {
        'id': 1,
        name: 'test outer',
        inner: [{
            'id': 1,
            name: 'test inner'}]}]
};

function OuterModel(data) {
    var self = this;
    ko.mapping.fromJS(data, {}, this);

    self.fullText = ko.computed(function() {
        return self.id() + ". " + self.name();
    });
}

function InnerModel(data, parent) {
    var self = this;
    ko.mapping.fromJS(data, {}, this);

    self.fullText = ko.computed(function() {
        return self.id() + ". " + self.name() + "(" + parent + ")";
    });
}

function PageModel() {
    var self = this;
    this.data = null;
}

var mapping = {
    'outer': {
        key: function(data) {
            return ko.utils.unwrapObservable(data.id);
        },
        create: function(options) {
            var thisModel = new OuterModel(options.data);
            return thisModel;
        }
    },
    'inner': {
        key: function(data) {
            return ko.utils.unwrapObservable(data.id);
        },
        create: function(options) {
            var thisModel = new InnerModel(options.data);
            return thisModel;
        }
    }
};

var model = new PageModel();
model.data = ko.mapping.fromJS(data, mapping);
ko.applyBindings(model);