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* Coherent.js - Object-Based Rendering Framework
* A pure JavaScript framework for server-side and client-side rendering
* using natural object syntax without function wrappers like h() or m()
*
* @version 1.0.0
* @author Coherent Framework Team
* @license MIT
*/
// Core rendering engine
import {
renderToString,
renderBatch,
renderToChunks,
renderWithTiming,
precompileComponent,
getCache,
resetCache,
getRenderingStats
} from './rendering/html-renderer.js';
// Cache management
import { createCacheManager, CacheManager } from './performance/cache-manager.js';
import { ComponentCache, createComponentCache, memoize } from './performance/component-cache.js';
// Enhanced error handling
import { globalErrorHandler, ErrorHandler } from './utils/error-handler.js';
// Reactive state management
import { ReactiveState, createReactiveState, observable, computed, stateUtils } from './state/reactive-state.js';
// Component lifecycle and events
import { ComponentLifecycle, eventSystem, componentUtils, withLifecycle } from './components/lifecycle.js';
// Advanced routing
import { Router, createRouter, routeGuards, routeComponents } from './routing/router.js';
// Form validation and binding
import { FormValidator, createForm, validationRules, binding, formComponents } from './forms/validation.js';
// Streaming capabilities
import {
createStreamingRenderer,
streamingUtils
} from './rendering/streaming-renderer.js';
// DOM rendering capabilities
import {
renderToDOM,
updateDOM
} from './rendering/dom-renderer.js';
// Import hydration functions
import {
hydrate,
makeHydratable,
autoHydrate,
hydrateAll,
hydrateBySelector,
enableClientEvents
} from './client/hydration.js';
// Configuration utilities
import {
createHtmlConfig,
createStreamingConfig,
createDomConfig,
createDevConfig,
createProdConfig,
validateConfig,
mergeConfigs,
getConfigPreset,
CONFIG_PRESETS
} from './rendering/renderer-config.js';
// Performance monitoring and optimization
import { performanceMonitor } from './performance/monitor.js';
// NOTE: Database functionality moved to @coherentjs/database package
// import { DatabaseManager, ... } from '@coherentjs/database';
// Core utilities
import {
validateComponent,
isCoherentObject,
extractProps,
hasChildren,
normalizeChildren,
deepClone,
mergeProps,
getNestedValue,
setNestedValue
} from './core/object-utils.js';
import {
escapeHtml,
isVoidElement,
formatAttributes,
minifyHtml
} from './core/html-utils.js';
// Component system
import {
createComponent,
withState,
withProps,
memo,
lazy
} from './components/component-system.js';
// Development tools
import { DevTools } from './dev/dev-tools.js';
/**
* Main Coherent Framework Class
* Provides a unified interface to all framework capabilities
*/
class Coherent {
constructor(options = {}) {
this.options = {
enableCache: options.enableCache !== false,
enableMonitoring: options.enableMonitoring !== false,
enableDevTools: options.enableDevTools !== false,
cacheSize: options.cacheSize || 1000,
cacheTTL: options.cacheTTL || 300000, // 5 minutes
maxDepth: options.maxDepth || 100,
minify: options.minify || false,
...options
};
// Initialize cache if enabled
if (this.options.enableCache) {
this.cache = createCacheManager({
maxSize: this.options.cacheSize,
ttlMs: this.options.cacheTTL
});
// Initialize component cache for advanced caching
this.componentCache = createComponentCache({
maxSize: this.options.componentCacheSize || 500,
defaultTTL: this.options.componentCacheTTL || 300000
});
}
// Initialize reactive state system
this.state = createReactiveState({}, {
enableHistory: this.options.enableStateHistory !== false,
maxHistorySize: this.options.stateHistorySize || 50
});
// Initialize router if routing is enabled
if (this.options.enableRouting) {
this.router = createRouter(this.options.routerOptions || {});
}
// Initialize global error handler
this.errorHandler = this.options.errorHandler || globalErrorHandler;
// Initialize dev tools in development
if (this.options.enableDevTools && typeof process !== 'undefined' && process.env.NODE_ENV !== 'production') {
this.devTools = new DevTools(this);
}
// Bind methods to maintain context
this.render = this.render.bind(this);
this.renderToString = this.renderToString.bind(this);
this.renderBatch = this.renderBatch.bind(this);
this.stream = this.stream.bind(this);
}
/**
* Primary render method - converts components to HTML
*/
render(component, options = {}) {
const config = { ...this.options, ...options };
try {
const html = renderToString(component, config);
// Development debugging
if (this.devTools) {
this.devTools.logRender(component, html, config);
}
return html;
} catch (error) {
if (this.devTools) {
this.devTools.logError('render', error, { component, options });
}
throw error;
}
}
/**
* Alias for render method (for clarity)
*/
renderToString(component, options = {}) {
return this.render(component, options);
}
/**
* Batch rendering for multiple components
*/
renderBatch(components, options = {}) {
const config = { ...this.options, ...options };
try {
const results = renderBatch(components, config);
if (this.devTools) {
this.devTools.logBatchRender(components, results, config);
}
return results;
} catch (error) {
if (this.devTools) {
this.devTools.logError('renderBatch', error, { components, options });
}
throw error;
}
}
/**
* Streaming render for large components
*/
async* stream(component, options = {}) {
const config = {
...this.options,
...options,
streaming: true
};
try {
for await (const chunk of renderToStream(component, config)) {
if (this.devTools) {
this.devTools.logStreamChunk(chunk);
}
yield chunk;
}
} catch (error) {
if (this.devTools) {
this.devTools.logError('stream', error, { component, options });
}
throw error;
}
}
/**
* Create a streaming renderer instance
*/
createStreamingRenderer(options = {}) {
const config = { ...this.options, ...options };
return createStreamingRenderer(config);
}
/**
* Component creation helpers
*/
createComponent(definition) {
return createComponent(definition);
}
withState(component, initialState) {
return withState(component, initialState);
}
withProps(component, props) {
return withProps(component, props);
}
memo(component, areEqual) {
return memo(component, areEqual);
}
lazy(componentLoader) {
return lazy(componentLoader);
}
/**
* Component caching and memoization
*/
memoize(component, keyGenerator, options = {}) {
return memoize(component, keyGenerator, {
...options,
cache: this.componentCache
});
}
/**
* Update DOM with virtual DOM diffing
*/
updateDOM(element, newComponent, componentId = 'default', options = {}) {
const config = { ...this.options, ...options };
return updateDOM(element, newComponent, componentId, config);
}
/**
* Invalidate component cache by dependencies
*/
invalidateCache(dependencies) {
if (this.componentCache) {
if (Array.isArray(dependencies)) {
return this.componentCache.invalidateMultiple(dependencies);
} else {
return this.componentCache.invalidate(dependencies);
}
}
return 0;
}
/**
* Reactive state management
*/
setState(key, value) {
return this.state.set(key, value);
}
getState(key) {
return this.state.get(key);
}
watchState(key, callback, options) {
return this.state.watch(key, callback, options);
}
createComputed(key, getter, options) {
return this.state.computed(key, getter, options);
}
/**
* Event system
*/
emit(eventName, data, target) {
return eventSystem.emit(eventName, data, target);
}
on(eventName, handler, componentId) {
return eventSystem.on(eventName, handler, componentId);
}
off(eventName, handler, componentId) {
return eventSystem.off(eventName, handler, componentId);
}
/**
* Router methods
*/
navigate(location) {
if (!this.router) {
console.warn('Router not initialized. Enable routing in options.');
return Promise.resolve(false);
}
return this.router.push(location);
}
getCurrentRoute() {
return this.router ? this.router.getCurrentRoute() : null;
}
addRoutes(routes) {
if (this.router) {
this.router.addRoutes(routes);
}
}
/**
* Form validation
*/
createForm(schema, options) {
return createForm(schema, options);
}
/**
* Component lifecycle
*/
createComponentWithLifecycle(component, options) {
return componentUtils.createWithLifecycle(component, options);
}
/**
* Error handling
*/
handleError(error, context) {
return this.errorHandler.handle(error, context);
}
/**
* Performance and monitoring
*/
getPerformanceStats() {
return {
cache: this.cache ? this.cache.getStats() : null,
componentCache: this.componentCache ? this.componentCache.getStats() : null,
monitor: performanceMonitor.getStats(),
rendering: getRenderingStats()
};
}
getPerformanceRecommendations() {
const stats = this.getPerformanceStats();
const recommendations = [];
// Cache recommendations
if (stats.cache && stats.cache.hitRate < 50) {
recommendations.push({
type: 'cache',
priority: 'HIGH',
suggestion: 'Consider increasing cache size or enabling component-level caching',
impact: 'Major performance improvement for repeated renders',
details: `Current hit rate: ${stats.cache.hitRate}%`
});
}
// Hot path recommendations
if (this.cache) {
const hotPaths = this.cache.getHotPathElements(10);
hotPaths.forEach(({ tagName, count }) => {
recommendations.push({
type: 'static-cache',
priority: 'MEDIUM',
suggestion: `Consider static caching for: ${tagName}`,
impact: 'Significant performance improvement for hot paths',
details: `Rendered ${count} times, good candidate for static caching`
});
});
}
// Memory recommendations
if (stats.monitor && stats.monitor.avgRenderTime > 10) {
recommendations.push({
type: 'optimization',
priority: 'MEDIUM',
suggestion: 'Consider component memoization or precompilation',
impact: 'Reduced render times and better user experience',
details: `Average render time: ${stats.monitor.avgRenderTime}ms`
});
}
return recommendations;
}
/**
* Development and debugging tools
*/
enableDevMode() {
if (!this.devTools) {
this.devTools = new DevTools(this);
}
this.options.enableDevTools = true;
return this;
}
disableDevMode() {
this.options.enableDevTools = false;
this.devTools = null;
return this;
}
benchmark(component, iterations = 1000) {
console.time('Coherent Benchmark');
for (let i = 0; i < iterations; i++) {
this.render(component, { enableMonitoring: false });
}
console.timeEnd('Coherent Benchmark');
const stats = this.getPerformanceStats();
console.log(`\nš Benchmark Results (${iterations} iterations):`);
console.log(`Average render time: ${stats.monitor.avgRenderTime}ms`);
console.log(`Cache hit rate: ${stats.cache ? stats.cache.hitRate : 0}%`);
return stats;
}
/**
* Cache management
*/
clearCache() {
if (this.cache) {
this.cache.clear();
return true;
}
return false;
}
getCacheStats() {
if (!this.cache) {
return {
enabled: false,
size: 0,
hits: 0,
misses: 0,
hitRate: 0
};
}
return this.cache.getStats();
}
optimizeCache() {
if (this.cache) {
this.cache.cleanup();
return true;
}
return false;
}
/**
* Precompilation for static components
*/
precompile(component, options = {}) {
const config = { ...this.options, ...options };
return precompileComponent(component, config);
}
/**
* Validation helpers
*/
validate(component) {
try {
validateComponent(component);
return { valid: true };
} catch (error) {
return { valid: false, error: error.message };
}
}
isCoherent(obj) {
return isCoherentObject(obj);
}
/**
* Utility methods
*/
clone(obj) {
return deepClone(obj);
}
merge(obj1, obj2) {
return mergeProps(obj1, obj2);
}
extract(element) {
return extractProps(element);
}
normalize(children) {
return normalizeChildren(children);
}
escape(text) {
return escapeHtml(text);
}
/**
* Framework information
*/
getVersion() {
return '1.0.0';
}
getInfo() {
return {
name: 'Coherent.js',
version: this.getVersion(),
description: 'Object-based rendering framework',
features: [
'Pure object syntax',
'Server-side rendering',
'Performance monitoring',
'Intelligent caching',
'Streaming support',
'Development tools'
],
stats: this.getPerformanceStats()
};
}
}
/**
* Convenience function to create a Coherent instance
*/
export function createCoherent(options = {}) {
return new Coherent(options);
}
// NOTE: createDatabaseManager moved to @coherentjs/database package
/**
* Default instance for quick usage
*/
export const coherent = new Coherent();
/**
* Named exports for specific functionality
*/
export {
// Main class
Coherent,
// Core rendering
renderToString,
renderBatch,
renderToChunks,
renderWithTiming,
// Streaming
createStreamingRenderer,
streamingUtils,
// Client-side rendering and hydration
renderToDOM,
updateDOM,
hydrate,
makeHydratable,
autoHydrate,
hydrateAll,
hydrateBySelector,
enableClientEvents,
// Components
createComponent,
withState,
withProps,
memo,
lazy,
// NOTE: Database functionality moved to @coherentjs/database package
// Utilities
validateComponent,
isCoherentObject,
extractProps,
hasChildren,
normalizeChildren,
deepClone,
escapeHtml,
isVoidElement,
formatAttributes,
minifyHtml,
// Configuration utilities
createHtmlConfig,
createStreamingConfig,
createDomConfig,
createDevConfig,
createProdConfig,
validateConfig,
mergeConfigs,
getConfigPreset,
CONFIG_PRESETS,
// Performance
performanceMonitor,
CacheManager,
ComponentCache,
createComponentCache,
memoize,
getCache,
resetCache,
getRenderingStats,
// Error Handling
ErrorHandler,
globalErrorHandler,
// Reactive State
ReactiveState,
createReactiveState,
observable,
computed,
stateUtils,
// Component Lifecycle & Events
ComponentLifecycle,
eventSystem,
componentUtils,
withLifecycle,
// Routing
Router,
createRouter,
routeGuards,
routeComponents,
// Forms & Validation
FormValidator,
createForm,
validationRules,
binding,
formComponents,
// Development
DevTools
};
/**
* Export specific module bundles for different use cases
*/
// Server-side rendering bundle
export const server = {
render: renderToString,
renderBatch,
chunk: renderToChunks, // chunking pre-rendered HTML
stream: createStreamingRenderer, // true progressive streaming
CacheManager,
performanceMonitor
};
// Component development bundle
export const components = {
createComponent,
withState,
withProps,
memo,
lazy,
validateComponent,
isCoherentObject
};
// Utilities bundle - Pure JS object approach
export const utils = {
// Core utilities
extractProps,
hasChildren,
normalizeChildren,
deepClone,
escapeHtml,
isVoidElement,
formatAttributes,
minifyHtml,
mergeProps,
getNestedValue,
setNestedValue,
// NOTE: Database functionality moved to @coherentjs/database package
};
// Performance bundle
export const performance = {
performanceMonitor,
CacheManager,
getCache,
resetCache,
getRenderingStats
};
/**
* Browser compatibility check
*/
if (typeof window !== 'undefined') {
// Browser environment
window.Coherent = Coherent;
window.coherent = coherent;
// Add browser-specific optimizations
if (typeof window !== 'undefined' && window.requestIdleCallback) {
// Use idle time for cache optimization
const optimizeInIdle = () => {
if (coherent.cache) {
coherent.cache.optimize('component');
}
};
window.requestIdleCallback(optimizeInIdle);
}
}
/**
* Node.js environment setup
*/
if (typeof process !== 'undefined' && process.versions && process.versions.node) {
// Node.js environment
// Graceful cleanup on exit
process.on('exit', () => {
if (coherent.cache) {
coherent.cache.destroy();
}
});
// Performance monitoring in development
if (process.env.NODE_ENV === 'development') {
coherent.enableDevMode();
}
}
/**
* Version and build information
*/
export const VERSION = '1.0.0';
export const BUILD_DATE = new Date().toISOString();
export const FEATURES = [
'object-syntax',
'server-rendering',
'streaming',
'caching',
'monitoring',
'components',
'dev-tools'
].join(',');
// Single default export
export default Coherent;
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