groupBy() - Code Metrics - Inspection of "arrayForEach and GroupBy (#12)" - aerophant/ramda - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 0b7415...f7faeb )

by Siwapun

created 2018-06-30 22:52 UTC

groupBy() A

↳ Parent: Project

Complexity

Conditions	2
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	16
rs	9.7333
c	0
b	0
f	0
cc	2
nc	1
nop	0

<?php
namespace Aerophant\Ramda;

/**
 * @param callable $predicateFunction
 * @param array $array
 * @return mixed
 */
function all()
{
  $all = function (callable $predicateFunction, array $array): bool {
    if (empty($array)) {
      return false;
    }
    foreach ($array as $it) {
      if (!$predicateFunction($it)) {
        return false;
      }
    }
    return true;
  };
  $arguments = func_get_args();
  $curried = curryN($all, 2);
  return call_user_func_array($curried, $arguments);
}

/**
 * @param callable $predicateFunction
 * @param array $array
 * @return bool
 */
function any()
{
  $any = function (callable $predicateFunction, array $array) {
    if (empty($array)) {
      return false;
    }
    foreach ($array as $it) {
      if ($predicateFunction($it)) {
        return true;
      }
    }
    return false;
  };
  $arguments = func_get_args();
  $curriedAny = curryN($any, 2);
  return call_user_func_array($curriedAny, $arguments);
}

/**
 * @param callable $fn he function to invoke. Receives one argument
 * @param array $array The list to iterate over.
 * @return null|\Closure
 */
function arrayForEach()
{
  $arrayForEach = function (callable $fn, array $array) {
    foreach ($array as $item) {
      $fn($item);
    }
  };
  $arguments = func_get_args();
  $curriedAny = curryN($arrayForEach, 2);
  return call_user_func_array($curriedAny, $arguments);
}

/**
 * a → [a] → [a]
 * @param mixed $item
 * @param array $array
 * @return array|\Closure
 */
function append()
{
  $append = function ($item, array $array) {
    return array_merge($array, [$item]);
  };
  $arguments = func_get_args();
  $curriedAny = curryN($append, 2);
  return call_user_func_array($curriedAny, $arguments);
}

/**
 * [a] → [a] → [a]
 * @param mixed $item
 * @param array $array
 * @return array|\Closure
 */
function concat()
{
  $concat = function (array $firstArray, array $secondArray) {
    return array_merge($firstArray, $secondArray);
  };
  $arguments = func_get_args();
  $curriedAny = curryN($concat, 2);
  return call_user_func_array($curriedAny, $arguments);
}

/**
 * a → [a] → Boolean
 * @param mixed $item item to compare against
 * @param array $array The array to consider
 * @return boolean|\Closure
 */
function contains()
{
  $contains = partialRight('in_array', [true]);
  $arguments = func_get_args();
  $curriedAny = curryN($contains, 2);
  return call_user_func_array($curriedAny, $arguments);
}

/**
 * @param int $index
 * @param array $array
 * @return mixed
 */
function drop()
{
  $drop = function (int $index, array $array) {
    return array_merge(array_slice($array, 0, $index), array_slice($array, $index + 1));
  };
  $arguments = func_get_args();
  $curried = curryN($drop, 2);
  return call_user_func_array($curried, $arguments);
}

/**
 * @param array $array
 * @return mixed
 */
function dropFirst()
{
  $dropFirst = drop(0);
  $arguments = func_get_args();
  $curried = curryN($dropFirst, 1);
  return call_user_func_array($curried, $arguments);
}

/**
 * @param array $array
 * @return mixed
 */
function dropLast()
{
  $dropLast = function (array $array) {
    $index = count($array)-1;
    return array_merge(array_slice($array, 0, $index), array_slice($array, $index + 1));
  };

  $arguments = func_get_args();
  $curried = curryN($dropLast, 1);
  return call_user_func_array($curried, $arguments);
}

/**
 * @param string|array $suffix
 * @param string|array $list
 * @return boolean|\Closure
 */
function endsWith()
{
  $endsWith = function ($suffix, $list) {
    if (is_string($suffix) && is_string($list)) {
      return $suffix === '' || (($temp = strlen($list) - strlen($suffix)) >= 0 && strpos($list, $suffix) !== false);

    }
    if (is_array($suffix) && is_array($list)) {
      $index = count($list) - count($suffix);
      foreach ($suffix as $it) {
        if ($it != $list[$index]) {
          return false;
        }
        $index++;
      }
      return true;
    }
    throw new \InvalidArgumentException(__FUNCTION__ . 'accepts only string or array as it arguments');
  };
  $arguments = func_get_args();
  $curried = curryN($endsWith, 2);
  return call_user_func_array($curried, $arguments);
}

/**
 * @param callable $predicateFunction
 * @param array $array
 * @return mixed
 */
function filter()
{
  $filter = function (callable $predicateFunction, array $array) {
     return array_values(array_filter($array, $predicateFunction));
  };
  $arguments = func_get_args();
  $curried = curryN($filter, 2);
  return call_user_func_array($curried, $arguments);
}

/**
 * @param callable $predicateFunction
 * @param array $array
 * @return mixed
 */
function filterPreserveKey()
{
  $filter = function (callable $predicateFunction, array $array) {
    return array_filter($array, $predicateFunction);
  };
  $arguments = func_get_args();
  $curried = curryN($filter, 2);
  return call_user_func_array($curried, $arguments);
}

/**
 * @param callable $predicateFunction
 * @param array $list
 * @return mixed
 */
function find()
{
  $find = function (callable $predicateFunction, array $list) {
    foreach ($list as $item) {
      if ($predicateFunction($item)) {
        return $item;
      }
    }
    return null;
  };
  $arguments = func_get_args();
  $curried = curryN($find, 2);
  return call_user_func_array($curried, $arguments);
}

function first()
{
  $first = function (array $array) {
    if (empty($array)) {
      return null;
    }
    return $array[0];
  };
  $arguments = func_get_args();
  $curried = curryN($first, 1);
  return call_user_func_array($curried, $arguments);
}

/**
 * @param callable $keySelector
 * @param array $array
 * @return array
 */
function groupBy()
{
  $groupBy = function (callable $keySelector, array $array) {
    return reduce(
      function ($acc, $item) use ($keySelector) {
        $key = $keySelector($item);
        $acc[$key] = array_key_exists($key, $acc) ? array_merge($acc[$key], [$item]) : [$item];
        return $acc;
      },
      [],
      $array
    );
  };
  $arguments = func_get_args();
  $curried = curryN($groupBy, 2);
  return call_user_func_array($curried, $arguments);
}

function head()
{
  $head = function (array $array) {
    if (empty($array)) {
      return null;
    }
    return $array[0];
  };
  $arguments = func_get_args();
  $curried = curryN($head, 1);
  return call_user_func_array($curried, $arguments);
}

function last()
{
  $last = function (array $array) {
    if (empty($array)) {
      return null;
    }
    return $array[count($array) - 1];
  };
  $arguments = func_get_args();
  $curried = curryN($last, 1);
  return call_user_func_array($curried, $arguments);
}

/**
 * @param callable $mapper
 * @param array $array
 * @return mixed
 */
function map()
{
  $arguments = func_get_args();
  $curried = curryN('array_map', 2);
  return call_user_func_array($curried, $arguments);
}

/**
 * a → [a] → [a]
 * @param mixed $item
 * @param array $array
 * @return array|\Closure
 */
function prepend()
{
  $prepend = function ($item, array $array) {
    return array_merge([$item], $array);
  };
  $arguments = func_get_args();
  $curriedAny = curryN($prepend, 2);
  return call_user_func_array($curriedAny, $arguments);
}

/**
 * @param callable $accumulator
 * @param mixed $initialValue
 * @param array $array
 * @return mixed
 */
function reduce()
{
  $reduce = function (callable $accumulator, $initialValue, array $array) {
    return array_reduce($array, $accumulator, $initialValue);
  };
  $arguments = func_get_args();
  $curried = curryN($reduce, 3);
  return call_user_func_array($curried, $arguments);
}

function tail()
{
  $tail = function (array $array) {
    if (empty($array)) {
      return null;
    }
    return $array[count($array) - 1];
  };
  $arguments = func_get_args();
  $curried = curryN($tail, 1);
  return call_user_func_array($curried, $arguments);
}


1			<?php
2			namespace Aerophant\Ramda;
3
4			/**
5			* @param callable $predicateFunction
6			* @param array $array
7			* @return mixed
8			*/
9			function all()
10			{
11			$all = function (callable $predicateFunction, array $array): bool {
12			if (empty($array)) {
13			return false;
14			}
15			foreach ($array as $it) {
16			if (!$predicateFunction($it)) {
17			return false;
18			}
19			}
20			return true;
21			};
22			$arguments = func_get_args();
23			$curried = curryN($all, 2);
24			return call_user_func_array($curried, $arguments);
25			}
26
27			/**
28			* @param callable $predicateFunction
29			* @param array $array
30			* @return bool
31			*/
32			function any()
33			{
34			$any = function (callable $predicateFunction, array $array) {
35			if (empty($array)) {
36			return false;
37			}
38			foreach ($array as $it) {
39			if ($predicateFunction($it)) {
40			return true;
41			}
42			}
43			return false;
44			};
45			$arguments = func_get_args();
46			$curriedAny = curryN($any, 2);
47			return call_user_func_array($curriedAny, $arguments);
48			}
49
50			/**
51			* @param callable $fn he function to invoke. Receives one argument
52			* @param array $array The list to iterate over.
53			* @return null\|\Closure
54			*/
55			function arrayForEach()
56			{
57			$arrayForEach = function (callable $fn, array $array) {
58			foreach ($array as $item) {
59			$fn($item);
60			}
61			};
62			$arguments = func_get_args();
63			$curriedAny = curryN($arrayForEach, 2);
64			return call_user_func_array($curriedAny, $arguments);
65			}
66
67			/**
68			* a → [a] → [a]
69			* @param mixed $item
70			* @param array $array
71			* @return array\|\Closure
72			*/
73			function append()
74			{
75			$append = function ($item, array $array) {
76			return array_merge($array, [$item]);
77			};
78			$arguments = func_get_args();
79			$curriedAny = curryN($append, 2);
80			return call_user_func_array($curriedAny, $arguments);
81			}
82
83			/**
84			* [a] → [a] → [a]
85			* @param mixed $item
86			* @param array $array
87			* @return array\|\Closure
88			*/
89			function concat()
90			{
91			$concat = function (array $firstArray, array $secondArray) {
92			return array_merge($firstArray, $secondArray);
93			};
94			$arguments = func_get_args();
95			$curriedAny = curryN($concat, 2);
96			return call_user_func_array($curriedAny, $arguments);
97			}
98
99			/**
100			* a → [a] → Boolean
101			* @param mixed $item item to compare against
102			* @param array $array The array to consider
103			* @return boolean\|\Closure
104			*/
105			function contains()
106			{
107			$contains = partialRight('in_array', [true]);
108			$arguments = func_get_args();
109			$curriedAny = curryN($contains, 2);
110			return call_user_func_array($curriedAny, $arguments);
111			}
112
113			/**
114			* @param int $index
115			* @param array $array
116			* @return mixed
117			*/
118			function drop()
119			{
120			$drop = function (int $index, array $array) {
121			return array_merge(array_slice($array, 0, $index), array_slice($array, $index + 1));
122			};
123			$arguments = func_get_args();
124			$curried = curryN($drop, 2);
125			return call_user_func_array($curried, $arguments);
126			}
127
128			/**
129			* @param array $array
130			* @return mixed
131			*/
132			function dropFirst()
133			{
134			$dropFirst = drop(0);
135			$arguments = func_get_args();
136			$curried = curryN($dropFirst, 1);
137			return call_user_func_array($curried, $arguments);
138			}
139
140			/**
141			* @param array $array
142			* @return mixed
143			*/
144			function dropLast()
145			{
146			$dropLast = function (array $array) {
147			$index = count($array)-1;
148			return array_merge(array_slice($array, 0, $index), array_slice($array, $index + 1));
149			};
150
151			$arguments = func_get_args();
152			$curried = curryN($dropLast, 1);
153			return call_user_func_array($curried, $arguments);
154			}
155
156			/**
157			* @param string\|array $suffix
158			* @param string\|array $list
159			* @return boolean\|\Closure
160			*/
161			function endsWith()
162			{
163			$endsWith = function ($suffix, $list) {
164			if (is_string($suffix) && is_string($list)) {
165			return $suffix === '' \|\| (($temp = strlen($list) - strlen($suffix)) >= 0 && strpos($list, $suffix) !== false);
			0 ignored issues – show Unused Code introduced 2018-06-30 21:43 UTC by Report Bug Copy Issue Report The assignment to `$temp` is dead and can be removed. Loading history...
166			}
167			if (is_array($suffix) && is_array($list)) {
168			$index = count($list) - count($suffix);
169			foreach ($suffix as $it) {
170			if ($it != $list[$index]) {
171			return false;
172			}
173			$index++;
174			}
175			return true;
176			}
177			throw new \InvalidArgumentException(__FUNCTION__ . 'accepts only string or array as it arguments');
178			};
179			$arguments = func_get_args();
180			$curried = curryN($endsWith, 2);
181			return call_user_func_array($curried, $arguments);
182			}
183
184			/**
185			* @param callable $predicateFunction
186			* @param array $array
187			* @return mixed
188			*/
189			function filter()
190			{
191			$filter = function (callable $predicateFunction, array $array) {
192			return array_values(array_filter($array, $predicateFunction));
193			};
194			$arguments = func_get_args();
195			$curried = curryN($filter, 2);
196			return call_user_func_array($curried, $arguments);
197			}
198
199			/**
200			* @param callable $predicateFunction
201			* @param array $array
202			* @return mixed
203			*/
204			function filterPreserveKey()
205			{
206			$filter = function (callable $predicateFunction, array $array) {
207			return array_filter($array, $predicateFunction);
208			};
209			$arguments = func_get_args();
210			$curried = curryN($filter, 2);
211			return call_user_func_array($curried, $arguments);
212			}
213
214			/**
215			* @param callable $predicateFunction
216			* @param array $list
217			* @return mixed
218			*/
219			function find()
220			{
221			$find = function (callable $predicateFunction, array $list) {
222			foreach ($list as $item) {
223			if ($predicateFunction($item)) {
224			return $item;
225			}
226			}
227			return null;
228			};
229			$arguments = func_get_args();
230			$curried = curryN($find, 2);
231			return call_user_func_array($curried, $arguments);
232			}
233
234			function first()
235			{
236			$first = function (array $array) {
237			if (empty($array)) {
238			return null;
239			}
240			return $array[0];
241			};
242			$arguments = func_get_args();
243			$curried = curryN($first, 1);
244			return call_user_func_array($curried, $arguments);
245			}
246
247			/**
248			* @param callable $keySelector
249			* @param array $array
250			* @return array
251			*/
252			function groupBy()
253			{
254			$groupBy = function (callable $keySelector, array $array) {
255			return reduce(
256			function ($acc, $item) use ($keySelector) {
257			$key = $keySelector($item);
258			$acc[$key] = array_key_exists($key, $acc) ? array_merge($acc[$key], [$item]) : [$item];
259			return $acc;
260			},
261			[],
262			$array
263			);
264			};
265			$arguments = func_get_args();
266			$curried = curryN($groupBy, 2);
267			return call_user_func_array($curried, $arguments);
268			}
269
270			function head()
271			{
272			$head = function (array $array) {
273			if (empty($array)) {
274			return null;
275			}
276			return $array[0];
277			};
278			$arguments = func_get_args();
279			$curried = curryN($head, 1);
280			return call_user_func_array($curried, $arguments);
281			}
282
283			function last()
284			{
285			$last = function (array $array) {
286			if (empty($array)) {
287			return null;
288			}
289			return $array[count($array) - 1];
290			};
291			$arguments = func_get_args();
292			$curried = curryN($last, 1);
293			return call_user_func_array($curried, $arguments);
294			}
295
296			/**
297			* @param callable $mapper
298			* @param array $array
299			* @return mixed
300			*/
301			function map()
302			{
303			$arguments = func_get_args();
304			$curried = curryN('array_map', 2);
305			return call_user_func_array($curried, $arguments);
306			}
307
308			/**
309			* a → [a] → [a]
310			* @param mixed $item
311			* @param array $array
312			* @return array\|\Closure
313			*/
314			function prepend()
315			{
316			$prepend = function ($item, array $array) {
317			return array_merge([$item], $array);
318			};
319			$arguments = func_get_args();
320			$curriedAny = curryN($prepend, 2);
321			return call_user_func_array($curriedAny, $arguments);
322			}
323
324			/**
325			* @param callable $accumulator
326			* @param mixed $initialValue
327			* @param array $array
328			* @return mixed
329			*/
330			function reduce()
331			{
332			$reduce = function (callable $accumulator, $initialValue, array $array) {
333			return array_reduce($array, $accumulator, $initialValue);
334			};
335			$arguments = func_get_args();
336			$curried = curryN($reduce, 3);
337			return call_user_func_array($curried, $arguments);
338			}
339
340			function tail()
341			{
342			$tail = function (array $array) {
343			if (empty($array)) {
344			return null;
345			}
346			return $array[count($array) - 1];
347			};
348			$arguments = func_get_args();
349			$curried = curryN($tail, 1);
350			return call_user_func_array($curried, $arguments);
351			}
352

aerophant / ramda

Push — master ( 0b7415...f7faeb )

groupBy() A

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