Model.View.tsx Implementation Guide

Model.View.tsx files serve as specialized server components that provide comprehensive presentation layers for domain models in Akan.js applications.

Purpose and Role

Model.View components fulfill critical roles in the Akan.js architecture:

role	Description
Complete Data Visualization	Present detailed views of domain entities
Page-Level Components	Serve as primary content for application pages
Server-Side Optimization	Leverage Next.js server components for performance
Component Integration	Integrate with Zones (layout) and Units (list items)

Complete Data Visualization

Present detailed views of domain entities

Page-Level Components

Serve as primary content for application pages

Server-Side Optimization

Leverage Next.js server components for performance

Component Integration

Integrate with Zones (layout) and Units (list items)

Core Principles

Model.View components follow these fundamental design principles:

Server-First Architecture: Optimized for static rendering
Presentation Focus: Concentrate on data display, not state management
Model-Centric Design: Built around domain model structures
Composition-Based: Combine smaller components for complex views

Component Structure

A Model.View.tsx file typically exports multiple component variations for different contexts:

// File structure example

export interface ProductViewProps {

  product: cnst.Product;

  className?: string;

// General view (standard)

export const General = ({ product, className }: ProductViewProps) => (

  <div className={clsx("space-y-6", className)}>

    <h1 className="text-2xl font-bold">{product.name}</h1>

    {/* Product details */}

  </div>

);

// Dashboard view (condensed)

export const Dashboard = ({ product }: ProductViewProps) => (

  <div className="bg-base-100 p-4 rounded-lg">

    <h2 className="text-lg font-bold">{product.name}</h2>

    {/* Key metrics */}

  </div>

);

// Timeline view (specialized)

export const Timeline = ({ project }: ProjectViewProps) => (

  <div className="project-timeline">

    {/* Timeline visualization */}

  </div>

);

Integration Patterns

Model.View components integrate seamlessly across the Akan.js ecosystem:

Option	Type	Default	Description	Example
pages	Page Components	-	Used as primary content in page routes	`app/products/[id]/page.tsx`
utils	Util Components	-	Wrapped in client components for interactivity	`Product.Util.tsx`
zones	Zone Components	-	Embedded in layout containers for complex UIs	`Dashboard.Zone.tsx`

pages:Page Components:-

Used as primary content in page routes

app/products/[id]/page.tsx

utils:Util Components:-

Wrapped in client components for interactivity

Product.Util.tsx

zones:Zone Components:-

Embedded in layout containers for complex UIs

Dashboard.Zone.tsx

Best Practices

Follow these patterns for effective View components:

// Consistent layout structure

export const OrderView = ({ order }: OrderViewProps) => (

  <div className="space-y-6">

    {/* Header section */}

    <div className="flex items-center justify-between">

      <h1 className="text-2xl font-bold">Order #{order.number}</h1>

      <span className="badge badge-lg">{order.status}</span>

    </div>

    {/* Responsive design */}

    <div className="flex flex-col gap-6 lg:flex-row">

      <div className="w-full lg:w-2/3">

        {/* Order items table */}

      </div>

      <div className="w-full lg:w-1/3">

        {/* Order summary card */}

      </div>

    </div>

    {/* Conditional rendering */}

    {order.status === 'delivered' && (

      <div className="bg-success text-success-content p-4 rounded-lg">

        <h2 className="text-lg font-medium">Delivery Information</h2>

        {/* Delivery details */}

      </div>

)}

  </div>

);

Performance Optimization

Optimize View components with these strategies:

Use Next.js Image component for optimized media
Implement conditional rendering for complex content
Chunk large data displays into logical groups
Pass only required data to child components

Common Patterns

// Status-based visualization

export const ProjectStatusView = ({ project }: { project: cnst.Project }) => {

  const statusColors = {

    planning: 'bg-info text-info-content',

    active: 'bg-success text-success-content',

    onHold: 'bg-warning text-warning-content',

    completed: 'bg-accent text-accent-content',

    cancelled: 'bg-error text-error-content',

};

  return (

    <div className="flex items-center gap-2">

      <span className={`badge ${statusColors[project.status] || 'bg-neutral'}`}>

        {project.status}

      </span>

      <progress

        className="progress progress-primary w-64"

        value={project.progress}

        max="100"

/>

      <span>{project.progress}%</span>

    </div>

);

};

// Component composition

const OrderHeader = ({ order }: { order: cnst.Order }) => (

  <div className="flex justify-between items-center p-4 bg-base-200 rounded-t-lg">

    <h1 className="text-xl font-bold">Order #{order.number}</h1>

    <StatusBadge status={order.status} />

  </div>

);

const OrderItems = ({ items }: { items: cnst.OrderItem[] }) => (

  <div className="p-4">

    {/* Render order items */}

  </div>

);

const OrderSummary = ({ totals }: { totals: any }) => (

  <div className="p-4 bg-base-100">

    {/* Render order summary */}

  </div>

);

export const OrderView = ({ order }: { order: cnst.Order }) => (

  <div className="border rounded-lg overflow-hidden">

    <OrderHeader order={order} />

    <OrderItems items={order.items} />

    <OrderSummary totals={order.totals} />

  </div>

);

Troubleshooting

issue	Description	Example
Client Hooks Error	Cannot use useState/useEffect in server components	`Move interactivity to Util components`
Missing Data	Undefined properties causing runtime errors	`Add null checks: {data ? ( ... ) : ( ... )}`
Layout Shifts	Content jumps when conditional elements render	`Use fixed-height containers or skeletons`

Client Hooks Error

Cannot use useState/useEffect in server components

Move interactivity to Util components

Missing Data

Undefined properties causing runtime errors

Add null checks: {data ? ( ... ) : ( ... )}

Layout Shifts

Content jumps when conditional elements render

Use fixed-height containers or skeletons

Model.View.tsx components are fundamental building blocks in Akan.js that provide consistent, reusable presentation layers for domain models. By following these patterns, you create maintainable views optimized for performance and integration across the framework.

Quick Start

Released under the MIT License

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Docs

Model.View.tsx Implementation Guide