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| 1 | +# CSS if() Polyfill Test Fixtures |
| 2 | + |
| 3 | +This document demonstrates the centralized test fixture system that provides a single source of truth for CSS test cases across all test suites. |
| 4 | + |
| 5 | +## Basic Media Query |
| 6 | + |
| 7 | +<!-- FIXTURE: basic-media --> |
| 8 | + |
| 9 | +<!-- Note: This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding .input.css and .expected.css files in the test/fixtures/ directory --> |
| 10 | + |
| 11 | +**Input CSS:** |
| 12 | + |
| 13 | +```css |
| 14 | +.responsive { |
| 15 | + width: if(media(max-width: 768px): 100%; else: 50%); |
| 16 | +} |
| 17 | +``` |
| 18 | + |
| 19 | +**Expected Output:** |
| 20 | + |
| 21 | +```css |
| 22 | +.responsive { |
| 23 | + width: 50%; |
| 24 | +} |
| 25 | +@media (max-width: 768px) { |
| 26 | + .responsive { |
| 27 | + width: 100%; |
| 28 | + } |
| 29 | +} |
| 30 | +``` |
| 31 | + |
| 32 | +<!-- /FIXTURE --> |
| 33 | + |
| 34 | +## Basic Supports Query |
| 35 | + |
| 36 | +<!-- FIXTURE: basic-supports --> |
| 37 | + |
| 38 | +<!-- Note: This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding .input.css and .expected.css files in the test/fixtures/ directory --> |
| 39 | + |
| 40 | +**Input CSS:** |
| 41 | + |
| 42 | +```css |
| 43 | +.grid { |
| 44 | + display: if(supports(display: grid): grid; else: block); |
| 45 | +} |
| 46 | +``` |
| 47 | + |
| 48 | +**Expected Output:** |
| 49 | + |
| 50 | +```css |
| 51 | +.grid { |
| 52 | + display: block; |
| 53 | +} |
| 54 | +@supports (display: grid) { |
| 55 | + .grid { |
| 56 | + display: grid; |
| 57 | + } |
| 58 | +} |
| 59 | +``` |
| 60 | + |
| 61 | +<!-- /FIXTURE --> |
| 62 | + |
| 63 | +## Basic Style Query (Runtime Processing) |
| 64 | + |
| 65 | +<!-- FIXTURE: basic-style --> |
| 66 | + |
| 67 | +<!-- Note: This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding .input.css and .expected.css files in the test/fixtures/ directory --> |
| 68 | + |
| 69 | +**Input CSS:** |
| 70 | + |
| 71 | +```css |
| 72 | +.test { |
| 73 | + color: if(style(--theme): var(--primary) ; else: blue); |
| 74 | +} |
| 75 | +``` |
| 76 | + |
| 77 | +**Expected Output:** |
| 78 | + |
| 79 | +```css |
| 80 | +.test { |
| 81 | + color: blue; |
| 82 | +} |
| 83 | +``` |
| 84 | + |
| 85 | +<!-- /FIXTURE --> |
| 86 | + |
| 87 | +## Multiple Functions in One Rule |
| 88 | + |
| 89 | +<!-- FIXTURE: multiple-functions-one-rule --> |
| 90 | + |
| 91 | +<!-- Note: This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding .input.css and .expected.css files in the test/fixtures/ directory --> |
| 92 | + |
| 93 | +**Input CSS:** |
| 94 | + |
| 95 | +```css |
| 96 | +.example { |
| 97 | + color: if(media(max-width: 768px): blue; else: red); |
| 98 | + font-size: if(supports(display: grid): 1.2rem; else: 1rem); |
| 99 | +} |
| 100 | +``` |
| 101 | + |
| 102 | +**Expected Output:** |
| 103 | + |
| 104 | +```css |
| 105 | +.example { |
| 106 | + color: red; |
| 107 | +} |
| 108 | +@media (max-width: 768px) { |
| 109 | + .example { |
| 110 | + color: blue; |
| 111 | + } |
| 112 | +} |
| 113 | +.example { |
| 114 | + font-size: 1rem; |
| 115 | +} |
| 116 | +@supports (display: grid) { |
| 117 | + .example { |
| 118 | + font-size: 1.2rem; |
| 119 | + } |
| 120 | +} |
| 121 | +``` |
| 122 | + |
| 123 | +<!-- /FIXTURE --> |
| 124 | + |
| 125 | +## Multiple Concatenated Conditions |
| 126 | + |
| 127 | +<!-- FIXTURE: multiple-concatenated-conditions --> |
| 128 | + |
| 129 | +<!-- Note: This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding .input.css and .expected.css files in the test/fixtures/ directory --> |
| 130 | + |
| 131 | +**Input CSS:** |
| 132 | + |
| 133 | +```css |
| 134 | +.responsive { |
| 135 | + padding: if( |
| 136 | + media(width >= 1200px): 40px; media(width >= 768px): 30px; |
| 137 | + media(width >= 480px): 20px; else: 15px |
| 138 | + ); |
| 139 | +} |
| 140 | +``` |
| 141 | + |
| 142 | +**Expected Output:** |
| 143 | + |
| 144 | +```css |
| 145 | +.responsive { |
| 146 | + padding: 15px; |
| 147 | +} |
| 148 | +@media (width >= 480px) { |
| 149 | + .responsive { |
| 150 | + padding: 20px; |
| 151 | + } |
| 152 | +} |
| 153 | +@media (width >= 768px) { |
| 154 | + .responsive { |
| 155 | + padding: 30px; |
| 156 | + } |
| 157 | +} |
| 158 | +@media (width >= 1200px) { |
| 159 | + .responsive { |
| 160 | + padding: 40px; |
| 161 | + } |
| 162 | +} |
| 163 | +``` |
| 164 | + |
| 165 | +<!-- /FIXTURE --> |
| 166 | + |
| 167 | +## Mixed Conditions (Build-time and Runtime) |
| 168 | + |
| 169 | +<!-- FIXTURE: mixed-conditions --> |
| 170 | + |
| 171 | +<!-- Note: This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding .input.css and .expected.css files in the test/fixtures/ directory --> |
| 172 | + |
| 173 | +**Input CSS:** |
| 174 | + |
| 175 | +```css |
| 176 | +.test { |
| 177 | + color: if(media(min-width: 768px): blue; else: red); |
| 178 | + background: if(style(--dark-mode): black; else: white); |
| 179 | +} |
| 180 | +``` |
| 181 | + |
| 182 | +**Expected Output:** |
| 183 | + |
| 184 | +```css |
| 185 | +.test { |
| 186 | + color: red; |
| 187 | +} |
| 188 | +@media (min-width: 768px) { |
| 189 | + .test { |
| 190 | + color: blue; |
| 191 | + } |
| 192 | +} |
| 193 | +.test { |
| 194 | + background: white; |
| 195 | +} |
| 196 | +``` |
| 197 | + |
| 198 | +<!-- /FIXTURE --> |
| 199 | + |
| 200 | +## Complex Media Query |
| 201 | + |
| 202 | +<!-- FIXTURE: complex-media-query --> |
| 203 | + |
| 204 | +<!-- Note: This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding .input.css and .expected.css files in the test/fixtures/ directory --> |
| 205 | + |
| 206 | +**Input CSS:** |
| 207 | + |
| 208 | +```css |
| 209 | +.responsive { |
| 210 | + width: if( |
| 211 | + media((min-width: 768px) and (max-width: 1024px)): 50%; else: 100% |
| 212 | + ); |
| 213 | +} |
| 214 | +``` |
| 215 | + |
| 216 | +**Expected Output:** |
| 217 | + |
| 218 | +```css |
| 219 | +.responsive { |
| 220 | + width: 100%; |
| 221 | +} |
| 222 | +@media ((min-width: 768px) and (max-width: 1024px)) { |
| 223 | + .responsive { |
| 224 | + width: 50%; |
| 225 | + } |
| 226 | +} |
| 227 | +``` |
| 228 | + |
| 229 | +<!-- /FIXTURE --> |
| 230 | + |
| 231 | +## CSS with Comments Preserved |
| 232 | + |
| 233 | +<!-- FIXTURE: with-comments --> |
| 234 | + |
| 235 | +<!-- Note: This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding .input.css and .expected.css files in the test/fixtures/ directory --> |
| 236 | + |
| 237 | +**Input CSS:** |
| 238 | + |
| 239 | +```css |
| 240 | +/* Header styles */ |
| 241 | +.header { |
| 242 | + background: blue; |
| 243 | +} |
| 244 | + |
| 245 | +.conditional { |
| 246 | + color: if(media(max-width: 768px): red; else: blue); |
| 247 | +} |
| 248 | + |
| 249 | +/* Footer styles */ |
| 250 | +.footer { |
| 251 | + background: gray; |
| 252 | +} |
| 253 | +``` |
| 254 | + |
| 255 | +**Expected Output:** |
| 256 | + |
| 257 | +```css |
| 258 | +/* Header styles */ |
| 259 | +.header { |
| 260 | + background: blue; |
| 261 | +} |
| 262 | +.conditional { |
| 263 | + color: blue; |
| 264 | +} |
| 265 | +@media (max-width: 768px) { |
| 266 | + .conditional { |
| 267 | + color: red; |
| 268 | + } |
| 269 | +} |
| 270 | +/* Footer styles */ |
| 271 | +.footer { |
| 272 | + background: gray; |
| 273 | +} |
| 274 | +``` |
| 275 | + |
| 276 | +<!-- /FIXTURE --> |
| 277 | + |
| 278 | +## CSS Without if() Functions |
| 279 | + |
| 280 | +<!-- FIXTURE: no-if-functions --> |
| 281 | + |
| 282 | +<!-- Note: This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding .input.css and .expected.css files in the test/fixtures/ directory --> |
| 283 | + |
| 284 | +**Input CSS:** |
| 285 | + |
| 286 | +```css |
| 287 | +.normal { |
| 288 | + color: red; |
| 289 | + font-size: 1rem; |
| 290 | +} |
| 291 | +``` |
| 292 | + |
| 293 | +**Expected Output:** |
| 294 | + |
| 295 | +```css |
| 296 | +.normal { |
| 297 | + color: red; |
| 298 | + font-size: 1rem; |
| 299 | +} |
| 300 | +``` |
| 301 | + |
| 302 | +<!-- /FIXTURE --> |
| 303 | + |
| 304 | +--- |
| 305 | + |
| 306 | +**Note:** This content is automatically generated from test fixtures. Do not edit the code blocks directly - they will be overwritten during the build process. To modify test cases, edit the corresponding `.input.css` and `.expected.css` files in the `test/fixtures/` directory. |
| 307 | + |
| 308 | +To regenerate this documentation, run: |
| 309 | + |
| 310 | +```bash |
| 311 | +npm run build:docs |
| 312 | +``` |
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