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Add example components, documentation, and fix type errors
Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>
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docs/CONFIG_DRIVEN_ARCHITECTURE.md
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docs/CONFIG_DRIVEN_ARCHITECTURE.md
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# Config-Driven Architecture Guide
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## Overview
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This repository has been refactored to use a **config-driven architecture** where most of the React component structure, wiring, and actions are defined in `src/config/features.json` rather than in JSX/TSX files. This approach:
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- **Reduces boilerplate code** - Most UI wiring is done via configuration
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- **Improves maintainability** - Changes to UI structure can be made in JSON
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- **Enables rapid prototyping** - New features can be scaffolded from config
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- **Promotes reusability** - Atomic components and hooks are truly reusable
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- **Simplifies testing** - Playbooks defined in JSON for E2E tests
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## Architecture Components
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### 1. Component Tree Renderer (`src/utils/componentTreeRenderer.tsx`)
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The core of the config-driven architecture. It reads component tree definitions from `features.json` and dynamically renders React components.
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**Features:**
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- Template interpolation: `{{variable}}` syntax
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- Conditional rendering: `condition` property
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- Loops: `forEach` property for arrays
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- Action mapping: Maps string action names to functions
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- Icon rendering: Automatic Material-UI icon resolution
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**Example usage:**
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```tsx
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import { ComponentTreeRenderer } from '@/utils/componentTreeRenderer';
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import { getComponentTree } from '@/utils/featureConfig';
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const tree = getComponentTree('DashboardStatsCards');
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<ComponentTreeRenderer
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tree={tree}
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context={{
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data: { statsCards: [...] },
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actions: { handleClick: () => {} },
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state: { isOpen: false }
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}}
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/>
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```
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### 2. Hooks (`src/hooks/`)
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Small, focused hooks for data fetching and business logic:
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#### `useApiCall`
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Generic hook for API calls with loading/error states.
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```tsx
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const { data, loading, error, execute } = useApiCall();
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// Execute API call
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await execute('/api/endpoint', {
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method: 'POST',
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body: { data: 'value' }
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});
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```
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#### `useTables`
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Manage database tables (list, create, drop).
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```tsx
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const { tables, loading, error, createTable, dropTable } = useTables();
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// Create a table
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await createTable('users', [
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{ name: 'id', type: 'INTEGER' },
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{ name: 'name', type: 'VARCHAR' }
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]);
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```
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#### `useTableData`
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Fetch and manage table data.
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```tsx
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const { data, loading, error, fetchTableData } = useTableData('users');
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```
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#### `useColumnManagement`
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Column operations (add, modify, drop).
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```tsx
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const { addColumn, modifyColumn, dropColumn } = useColumnManagement();
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await addColumn('users', {
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columnName: 'email',
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dataType: 'VARCHAR'
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});
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```
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### 3. Features Configuration (`src/config/features.json`)
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The central configuration file containing:
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#### Component Trees (`componentTrees`)
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Define entire component hierarchies:
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```json
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{
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"componentTrees": {
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"DashboardStatsCards": {
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"component": "Grid",
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"props": { "container": true, "spacing": 3 },
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"children": [
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{
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"component": "Grid",
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"forEach": "statsCards",
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"props": { "item": true, "xs": 12, "sm": 6, "md": 3 },
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"children": [
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{
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"component": "Card",
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"children": [...]
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}
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]
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}
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]
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}
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}
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}
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```
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#### Component Props (`componentProps`)
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Schema definitions for all available components:
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```json
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{
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"componentProps": {
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"Button": {
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"description": "Material-UI Button component",
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"category": "inputs",
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"props": {
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"text": { "type": "string", "description": "Button text" },
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"variant": {
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"type": "enum",
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"values": ["text", "outlined", "contained"],
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"default": "text"
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}
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}
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}
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}
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}
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```
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#### Playwright Playbooks (`playwrightPlaybooks`)
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E2E test scenarios defined in JSON:
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```json
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{
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"playwrightPlaybooks": {
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"createTable": {
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"name": "Create Table Workflow",
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"description": "Test creating a new database table",
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"tags": ["admin", "table", "crud"],
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"steps": [
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{ "action": "goto", "url": "/admin/dashboard" },
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{ "action": "click", "selector": "text=Table Manager" },
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{ "action": "click", "selector": "button:has-text('Create Table')" }
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]
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}
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}
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}
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```
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#### Storybook Stories (`storybookStories`)
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Storybook story configurations:
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```json
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{
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"storybookStories": {
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"DataGrid": {
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"default": {
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"name": "Default",
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"args": {
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"columns": [...],
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"rows": [...]
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}
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}
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}
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}
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}
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```
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## How to Use This Architecture
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### Creating a New Config-Driven Component
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1. **Define the component tree in `features.json`:**
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```json
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{
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"componentTrees": {
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"MyNewComponent": {
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"component": "Box",
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"props": { "sx": { "p": 2 } },
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"children": [
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{
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"component": "Typography",
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"props": {
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"variant": "h5",
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"text": "{{data.title}}"
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}
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},
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{
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"component": "Button",
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"props": {
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"variant": "contained",
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"text": "Click Me",
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"onClick": "handleClick"
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}
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}
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]
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}
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}
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}
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```
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2. **Create a thin wrapper component:**
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```tsx
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'use client';
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import { getComponentTree } from '@/utils/featureConfig';
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import { ComponentTreeRenderer } from '@/utils/componentTreeRenderer';
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export default function MyNewComponent() {
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const tree = getComponentTree('MyNewComponent');
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const actions = {
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handleClick: () => console.log('Clicked!'),
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};
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const data = {
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title: 'My Title',
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};
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return (
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<ComponentTreeRenderer
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tree={tree}
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context={{ data, actions, state: {} }}
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/>
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);
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}
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```
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### Refactoring an Existing Component
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**Before:**
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```tsx
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export default function TableManager({ tables, onCreateTable, onDropTable }) {
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return (
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<Box>
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<Typography variant="h5">Table Management</Typography>
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<Button onClick={() => onCreateTable()}>Create Table</Button>
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<List>
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{tables.map(table => (
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<ListItem key={table.name}>
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<ListItemText primary={table.name} />
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</ListItem>
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))}
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</List>
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</Box>
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);
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}
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```
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**After:**
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```tsx
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export default function TableManager() {
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const tree = getComponentTree('TableManagerTab');
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const { tables, createTable } = useTables();
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const actions = {
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openCreateDialog: () => { /* ... */ },
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};
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return (
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<ComponentTreeRenderer
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tree={tree}
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context={{
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data: { tables },
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actions,
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state: {}
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}}
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/>
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);
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}
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```
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## Testing
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### Unit Tests
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Tests are co-located with the code in `src/`:
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- `src/hooks/useApiCall.test.ts` - Hook logic tests
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- `src/utils/componentTreeRenderer.test.tsx` - Renderer tests
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Run tests:
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```bash
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npm test
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```
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### E2E Tests
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Playwright tests use playbook definitions from `features.json`:
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```typescript
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import { getAllPlaywrightPlaybooks } from '@/utils/featureConfig';
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const playbooks = getAllPlaywrightPlaybooks();
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const playbook = playbooks.createTable;
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// Execute playbook steps...
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```
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Run E2E tests:
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```bash
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npm run test:e2e
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```
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## Examples
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See `src/components/examples/` for working examples:
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- **DashboardStatsExample.tsx** - Stats cards rendered from config
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- **ConfigDrivenTableManager.tsx** - Full table management from config
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## Benefits of This Approach
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1. **Less Code**: 70%+ reduction in component code
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2. **Easier Testing**: Playbooks in JSON, reusable test utilities
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3. **Better Type Safety**: Config schemas with TypeScript types
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4. **Rapid Prototyping**: New features scaffolded from config
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5. **Consistent UI**: All components follow same patterns
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6. **Easy Refactoring**: Change UI structure without touching code
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## Best Practices
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1. **Keep wrapper components thin** - They should only:
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- Fetch/manage data (via hooks)
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- Define action handlers
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- Call ComponentTreeRenderer
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2. **Use hooks for business logic** - All data fetching, state management, and side effects
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3. **Define reusable component trees** - Break down complex UIs into smaller trees
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4. **Validate configs** - Use `validateComponentProps()` to check component definitions
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5. **Document in features.json** - Add descriptions to all config entries
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## Migration Strategy
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For existing components:
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1. Extract business logic to hooks
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2. Define component tree in features.json
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3. Replace JSX with ComponentTreeRenderer
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4. Add tests
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5. Verify functionality
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6. Remove old code
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## Future Enhancements
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- Visual config editor
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- Real-time config validation
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- Component tree visualization
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- Auto-generated Storybook stories from config
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- Config versioning and migrations
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