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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 | /** * Basic CSS File Usage Example * Demonstrates how to use external CSS files with Coherent.js */ import { renderHTML, renderHTMLSync } from "../packages/core/src/index.js"; // Simple component using CSS classes const Button = ({ variant = 'primary', size = 'medium', children, onClick }) => ({ button: { className: `btn btn--${variant} btn--${size}`, onclick: onClick, children: Array.isArray(children) ? children : [children] } }); const Card = ({ title, content, footer }) => ({ div: { className: 'card', children: [ title ? { div: { className: 'card-header', children: [{ h3: { text: title } }] } } : null, { div: { className: 'card-body', children: Array.isArray(content) ? content : [content] } }, footer ? { div: { className: 'card-footer', children: Array.isArray(footer) ? footer : [footer] } } : null ].filter(Boolean) } }); const App = () => ({ html: { children: [ { head: { children: [ { title: { text: 'CSS File Example' } }, { meta: { charset: 'utf-8' } }, { meta: { name: 'viewport', content: 'width=device-width, initial-scale=1' } } ] } }, { body: { className: 'app', children: [ { div: { className: 'container', children: [ { h1: { className: 'page-title', text: 'CSS File Integration Demo' } }, { div: { className: 'demo-section', children: [ Card({ title: 'Button Examples', content: [ { p: { text: 'Different button styles using CSS files:' } }, { div: { className: 'button-group', children: [ Button({ variant: 'primary', children: [{ text: 'Primary' }] }), Button({ variant: 'secondary', children: [{ text: 'Secondary' }] }), Button({ variant: 'success', children: [{ text: 'Success' }] }), Button({ variant: 'danger', size: 'large', children: [{ text: 'Large Danger' }] }) ] } } ] }) ] } }, { div: { className: 'demo-section', children: [ Card({ title: 'Layout Examples', content: [ { div: { className: 'grid-demo', children: [ { div: { className: 'grid-item', children: [{ text: 'Item 1' }] } }, { div: { className: 'grid-item', children: [{ text: 'Item 2' }] } }, { div: { className: 'grid-item', children: [{ text: 'Item 3' }] } }, { div: { className: 'grid-item', children: [{ text: 'Item 4' }] } } ] } } ], footer: [ { p: { className: 'text-muted', text: 'Styled with external CSS files' } } ] }) ] } } ] } } ] } } ] } }); // Example 1: Basic CSS file loading export async function basicExample() { const html = await renderHTML(App(), { cssFiles: [ './examples/css-file-usage/styles/main.css', './examples/css-file-usage/styles/components.css' ] }); return html; } // Example 2: CSS files with external CDN links export async function cdnExample() { const html = await renderHTML(App(), { cssFiles: [ './examples/css-file-usage/styles/custom.css' ], cssLinks: [ 'https://cdn.jsdelivr.net/npm/normalize.css@8.0.1/normalize.css', 'https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap' ] }); return html; } // Example 3: CSS files with inline overrides export async function mixedExample() { const html = await renderHTML(App(), { cssFiles: [ './examples/css-file-usage/styles/main.css' ], cssInline: ` .page-title { color: #e74c3c !important; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); } .demo-section { margin-bottom: 3rem; } .button-group .btn { margin-right: 1rem; margin-bottom: 0.5rem; } `, cssMinify: true }); return html; } // Example 4: Production build with minification export async function productionExample() { const html = await renderHTML(App(), { cssFiles: [ './examples/css-file-usage/styles/main.css', './examples/css-file-usage/styles/components.css', './examples/css-file-usage/styles/themes/professional.css' ], cssMinify: true, minify: true }); return html; } // Example 5: Synchronous rendering (no CSS files) export function synchronousExample() { const html = renderHTMLSync(App(), { cssLinks: [ 'https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css' ], cssInline: ` .app { font-family: 'Inter', sans-serif; line-height: 1.6; } .container { max-width: 1200px; margin: 0 auto; padding: 2rem; } ` }); return html; } // Demo runner if (import.meta.url === `file://${process.argv[1]}`) { console.log('🎨 CSS File Usage Examples\n'); console.log('1. Basic CSS file loading...'); const basic = await basicExample(); console.log(` Generated ${basic.length} characters of HTML\n`); console.log('2. CDN links example...'); const cdn = await cdnExample(); console.log(` Generated ${cdn.length} characters of HTML\n`); console.log('3. Mixed CSS sources...'); const mixed = await mixedExample(); console.log(` Generated ${mixed.length} characters of HTML\n`); console.log('4. Production build...'); const prod = await productionExample(); console.log(` Generated ${prod.length} characters of HTML (minified)\n`); console.log('5. Synchronous rendering...'); const sync = synchronousExample(); console.log(` Generated ${sync.length} characters of HTML\n`); console.log('✅ All examples completed successfully!'); } |