Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like Html often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Html, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
||
| 24 | class Html |
||
| 25 | { |
||
| 26 | use Macroable; |
||
| 27 | |||
| 28 | /** @var \Illuminate\Http\Request */ |
||
| 29 | protected $request; |
||
| 30 | |||
| 31 | /** @var \ArrayAccess|array */ |
||
| 32 | protected $model; |
||
| 33 | |||
| 34 | public function __construct(Request $request) |
||
| 38 | |||
| 39 | /** |
||
| 40 | * @param string|null $href |
||
| 41 | * @param string|null $text |
||
| 42 | * |
||
| 43 | * @return \Spatie\Html\Elements\A |
||
| 44 | */ |
||
| 45 | public function a($href = null, $contents = null) |
||
| 51 | |||
| 52 | /** |
||
| 53 | * @param string|null $type |
||
| 54 | * @param string|null $text |
||
| 55 | * |
||
| 56 | * @return \Spatie\Html\Elements\Button |
||
| 57 | */ |
||
| 58 | public function button($contents = null, $type = null) |
||
| 64 | |||
| 65 | /** |
||
| 66 | * @param \Illuminate\Support\Collection|iterable|string $classes |
||
| 67 | * |
||
| 68 | * @return \Illuminate\Contracts\Support\Htmlable |
||
| 69 | */ |
||
| 70 | public function class($classes): Htmlable |
||
| 83 | |||
| 84 | /** |
||
| 85 | * @param string|null $name |
||
| 86 | * @param bool $checked |
||
| 87 | * @param string|null $value |
||
| 88 | * |
||
| 89 | * @return \Spatie\Html\Elements\Input |
||
| 90 | */ |
||
| 91 | public function checkbox($name = null, $checked = false, $value = '1') |
||
| 96 | |||
| 97 | /** |
||
| 98 | * @param \Spatie\Html\HtmlElement|string|null $contents |
||
| 99 | * |
||
| 100 | * @return \Spatie\Html\Elements\Div |
||
| 101 | */ |
||
| 102 | public function div($contents = null) |
||
| 106 | |||
| 107 | /** |
||
| 108 | * @param string|null $name |
||
| 109 | * @param string|null $value |
||
| 110 | * |
||
| 111 | * @return \Spatie\Html\Elements\Input |
||
| 112 | */ |
||
| 113 | public function email($name = '', $value = '') |
||
| 117 | |||
| 118 | /** |
||
| 119 | * @param string $tag |
||
| 120 | * |
||
| 121 | * @return \Spatie\Html\Elements\Element |
||
| 122 | */ |
||
| 123 | public function element($tag) |
||
| 127 | |||
| 128 | /** |
||
| 129 | * @param string|null $type |
||
| 130 | * @param string|null $name |
||
| 131 | * @param string|null $value |
||
| 132 | * |
||
| 133 | * @return \Spatie\Html\Elements\Input |
||
| 134 | */ |
||
| 135 | public function input($type = null, $name = null, $value = null) |
||
| 143 | |||
| 144 | /** |
||
| 145 | * @param \Spatie\Html\HtmlElement|string|null $legend |
||
| 146 | * |
||
| 147 | * @return \Spatie\Html\Elements\Fieldset |
||
| 148 | */ |
||
| 149 | public function fieldset($legend = null) |
||
| 155 | |||
| 156 | /** |
||
| 157 | * @param string $method |
||
| 158 | * @param string|null $action |
||
| 159 | * |
||
| 160 | * @return \Spatie\Html\Elements\Form |
||
| 161 | */ |
||
| 162 | public function form($method = 'POST', $action = null) |
||
| 182 | |||
| 183 | /** |
||
| 184 | * @param string|null $name |
||
| 185 | * @param string|null $value |
||
| 186 | * |
||
| 187 | * @return \Spatie\Html\Elements\Input |
||
| 188 | */ |
||
| 189 | public function hidden($name = null, $value = null) |
||
| 193 | |||
| 194 | /** |
||
| 195 | * @param \Spatie\Html\HtmlElement|iterable|string|null $contents |
||
| 196 | * @param string|null $for |
||
| 197 | * |
||
| 198 | * @return \Spatie\Html\Elements\Label |
||
| 199 | */ |
||
| 200 | public function label($contents = null, $for = null) |
||
| 206 | |||
| 207 | /** |
||
| 208 | * @param \Spatie\Html\HtmlElement|string|null $contents |
||
| 209 | * |
||
| 210 | * @return \Spatie\Html\Elements\Legend |
||
| 211 | */ |
||
| 212 | public function legend($contents = null) |
||
| 216 | |||
| 217 | /** |
||
| 218 | * @param string $email |
||
| 219 | * @param string|null $text |
||
| 220 | * |
||
| 221 | * @return \Spatie\Html\Elements\A |
||
| 222 | */ |
||
| 223 | public function mailto($email, $text = null) |
||
| 227 | |||
| 228 | /** |
||
| 229 | * @param string|null $name |
||
| 230 | * @param iterable $options |
||
| 231 | * @param string|iterable|null $value |
||
| 232 | * |
||
| 233 | * @return \Spatie\Html\Elements\Select |
||
| 234 | */ |
||
| 235 | View Code Duplication | public function multiselect($name = null, $options = [], $value = null) |
|
| 244 | |||
| 245 | /** |
||
| 246 | * @param string|null $text |
||
| 247 | * @param string|null $value |
||
| 248 | * @param bool $selected |
||
| 249 | * |
||
| 250 | * @return \Spatie\Html\Elements\Option |
||
| 251 | */ |
||
| 252 | public function option($text = null, $value = null, $selected = false) |
||
| 259 | |||
| 260 | /** |
||
| 261 | * @param string|null $value |
||
| 262 | * |
||
| 263 | * @return \Spatie\Html\Elements\Input |
||
| 264 | */ |
||
| 265 | public function password($name = null) |
||
| 269 | |||
| 270 | /** |
||
| 271 | * @param string|null $name |
||
| 272 | * @param bool $checked |
||
| 273 | * @param string|null $value |
||
| 274 | * |
||
| 275 | * @return \Spatie\Html\Elements\Input |
||
| 276 | */ |
||
| 277 | public function radio($name = null, $checked = false, $value = null) |
||
| 282 | |||
| 283 | /** |
||
| 284 | * @param string|null $name |
||
| 285 | * @param iterable $options |
||
| 286 | * @param string|iterable|null $value |
||
| 287 | * |
||
| 288 | * @return \Spatie\Html\Elements\Select |
||
| 289 | */ |
||
| 290 | View Code Duplication | public function select($name = null, $options = [], $value = null) |
|
| 298 | |||
| 299 | /** |
||
| 300 | * @param \Spatie\Html\HtmlElement|string|null $contents |
||
| 301 | * |
||
| 302 | * @return \Spatie\Html\Elements\Span |
||
| 303 | */ |
||
| 304 | public function span($contents = null) |
||
| 308 | |||
| 309 | /** |
||
| 310 | * @param string|null $test |
||
| 311 | * |
||
| 312 | * @return \Spatie\Html\Elements\Button |
||
| 313 | */ |
||
| 314 | public function submit($text = null) |
||
| 318 | |||
| 319 | /** |
||
| 320 | * @param string $number |
||
| 321 | * @param string|null $text |
||
| 322 | * |
||
| 323 | * @return \Spatie\Html\Elements\A |
||
| 324 | */ |
||
| 325 | public function tel($number, $text = null) |
||
| 329 | |||
| 330 | /** |
||
| 331 | * @param string|null $name |
||
| 332 | * @param string|null $value |
||
| 333 | * |
||
| 334 | * @return \Spatie\Html\Elements\Input |
||
| 335 | */ |
||
| 336 | public function text($name = null, $value = null) |
||
| 340 | |||
| 341 | /** |
||
| 342 | * @param string|null $name |
||
| 343 | * @param string|null $value |
||
| 344 | * |
||
| 345 | * @return \Spatie\Html\Elements\Textarea |
||
| 346 | */ |
||
| 347 | public function textarea($name = null, $value = null) |
||
| 354 | |||
| 355 | /** |
||
| 356 | * @return \Spatie\Html\Elements\Input |
||
| 357 | */ |
||
| 358 | public function token() |
||
| 362 | |||
| 363 | /** |
||
| 364 | * @param \ArrayAccess|array $model |
||
| 365 | * |
||
| 366 | * @return $this |
||
| 367 | */ |
||
| 368 | public function model($model) |
||
| 374 | |||
| 375 | /** |
||
| 376 | * @param \ArrayAccess|array $model |
||
| 377 | * @param string|null $method |
||
| 378 | * @param string|null $action |
||
| 379 | * |
||
| 380 | * @return \Spatie\Html\Elements\Form |
||
| 381 | */ |
||
| 382 | public function modelForm($model, $method = 'POST', $action = null): Form |
||
| 388 | |||
| 389 | /** |
||
| 390 | * @return $this |
||
| 391 | */ |
||
| 392 | public function endModel() |
||
| 398 | |||
| 399 | /** |
||
| 400 | * @return \Illuminate\Contracts\Support\Htmlable |
||
| 401 | */ |
||
| 402 | public function closeModelForm(): Htmlable |
||
| 408 | |||
| 409 | /** |
||
| 410 | * @param string $name |
||
| 411 | * @param mixed $value |
||
| 412 | * |
||
| 413 | * @return mixed |
||
| 414 | */ |
||
| 415 | protected function old($name, $value = null) |
||
| 429 | |||
| 430 | /** |
||
| 431 | * @param string $name |
||
| 432 | * |
||
| 433 | * @return string |
||
| 434 | */ |
||
| 435 | protected function fieldName($name) |
||
| 439 | |||
| 440 | protected function ensureModelIsAvailable() |
||
| 446 | } |
||
| 447 |