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:
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:
1
2// File structure example
3export interface ProductViewProps {
4  product: cnst.Product;
5  className?: string;
6}
7
8// General view (standard)
9export const General = ({ product, className }: ProductViewProps) => (
10  <div className={clsx("space-y-6", className)}>
11    <h1 className="text-2xl font-bold">{product.name}</h1>
12    {/* Product details */}
13  </div>
14);
15
16// Dashboard view (condensed)
17export const Dashboard = ({ product }: ProductViewProps) => (
18  <div className="bg-base-100 p-4 rounded-lg">
19    <h2 className="text-lg font-bold">{product.name}</h2>
20    {/* Key metrics */}
21  </div>
22);
23
24// Timeline view (specialized)
25export const Timeline = ({ project }: ProjectViewProps) => (
26  <div className="project-timeline">
27    {/* Timeline visualization */}
28  </div>
29);
30
Integration Patterns
Model.View components integrate seamlessly across the Akan.js ecosystem:
pages:Page Components:-

Used as primary content in page routes

1app/products/[id]/page.tsx
utils:Util Components:-

Wrapped in client components for interactivity

1Product.Util.tsx
zones:Zone Components:-

Embedded in layout containers for complex UIs

1Dashboard.Zone.tsx
Best Practices
Follow these patterns for effective View components:
1
2// Consistent layout structure
3export const OrderView = ({ order }: OrderViewProps) => (
4  <div className="space-y-6">
5    {/* Header section */}
6    <div className="flex items-center justify-between">
7      <h1 className="text-2xl font-bold">Order #{order.number}</h1>
8      <span className="badge badge-lg">{order.status}</span>
9    </div>
10
11    {/* Responsive design */}
12    <div className="flex flex-col gap-6 lg:flex-row">
13      <div className="w-full lg:w-2/3">
14        {/* Order items table */}
15      </div>
16      <div className="w-full lg:w-1/3">
17        {/* Order summary card */}
18      </div>
19    </div>
20
21    {/* Conditional rendering */}
22    {order.status === 'delivered' && (
23      <div className="bg-success text-success-content p-4 rounded-lg">
24        <h2 className="text-lg font-medium">Delivery Information</h2>
25        {/* Delivery details */}
26      </div>
27    )}
28  </div>
29);
30
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
1
2// Status-based visualization
3export const ProjectStatusView = ({ project }: { project: cnst.Project }) => {
4  const statusColors = {
5    planning: 'bg-info text-info-content',
6    active: 'bg-success text-success-content',
7    onHold: 'bg-warning text-warning-content',
8    completed: 'bg-accent text-accent-content',
9    cancelled: 'bg-error text-error-content',
10  };
11
12  return (
13    <div className="flex items-center gap-2">
14      <span className={`badge ${statusColors[project.status] || 'bg-neutral'}`}>
15        {project.status}
16      </span>
17      <progress 
18        className="progress progress-primary w-64" 
19        value={project.progress} 
20        max="100" 
21      />
22      <span>{project.progress}%</span>
23    </div>
24  );
25};
26
27// Component composition
28const OrderHeader = ({ order }: { order: cnst.Order }) => (
29  <div className="flex justify-between items-center p-4 bg-base-200 rounded-t-lg">
30    <h1 className="text-xl font-bold">Order #{order.number}</h1>
31    <StatusBadge status={order.status} />
32  </div>
33);
34
35const OrderItems = ({ items }: { items: cnst.OrderItem[] }) => (
36  <div className="p-4">
37    {/* Render order items */}
38  </div>
39);
40
41const OrderSummary = ({ totals }: { totals: any }) => (
42  <div className="p-4 bg-base-100">
43    {/* Render order summary */}
44  </div>
45);
46
47export const OrderView = ({ order }: { order: cnst.Order }) => (
48  <div className="border rounded-lg overflow-hidden">
49    <OrderHeader order={order} />
50    <OrderItems items={order.items} />
51    <OrderSummary totals={order.totals} />
52  </div>
53);
54
Troubleshooting
Client Hooks Error

Cannot use useState/useEffect in server components

1Move interactivity to Util components
Missing Data

Undefined properties causing runtime errors

1Add null checks: {data ? ( ... ) : ( ... )}
Layout Shifts

Content jumps when conditional elements render

1Use 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.
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