LazyCollection::reduce() - Code Metrics - Inspection of "Removed some dead code" - publishing-kit/utilities - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( a332d2...53b748 )

by Matthew

created 2020-09-28 20:05 UTC

LazyCollection::reduce() A

↳ Parent: LazyCollection

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
eloc	4
c	1
b	0
f	0
nc	2
nop	2
dl	0
loc	7
ccs	5
cts	5
cp	1
crap	2
rs	10

<?php

declare(strict_types=1);

namespace PublishingKit\Utilities\Collections;

use Countable;
use IteratorAggregate;
use ArrayIterator;
use JsonSerializable;
use Generator;
use Traversable;
use Serializable;
use PublishingKit\Utilities\Contracts\Collectable;
use PublishingKit\Utilities\Traits\Macroable;

class LazyCollection implements Collectable, Countable, IteratorAggregate, JsonSerializable, Serializable
{
    use Macroable;


    /**
     * @var callable|static
     */
    private $source;

    /**
     * Create a new lazy collection instance.
     *
     * @param  mixed  $source
     * @return void
     */
    public function __construct($source = null)
    {
        if (is_callable($source) || $source instanceof self) {
            $this->source = $source;
        } elseif (is_null($source)) {
            $this->source = static::empty();
        } else {
            $this->source = $this->getArrayableItems($source);
        }
    }

    /**
     * {@inheritDoc}
     *
     * @return self
     */
    public static function make(callable $callback): self
    {
        return new static($callback);
    }

    /**
     * Create a new instance with no items.
     *
     * @return static
     */
    public static function empty()
    {
        return new static([]);
    }

    /**
     * Results array of items from Collection or Arrayable.
     *
     * @param mixed  $items
     *
     * @return iterable
     */
    protected function getArrayableItems($items): iterable
    {
        if (is_array($items)) {
            return $items;
        } elseif ($items instanceof Collectable) {
            return $items->toArray();
        } elseif ($items instanceof JsonSerializable) {
            return (array) $items->jsonSerialize();
        } elseif ($items instanceof Traversable) {
            return iterator_to_array($items);
        }
        return (array) $items;
    }

    /**
     * {@inheritDoc}
     */
    public function toJson()
    {
        return json_encode($this->toArray());
    }

    /**
     * Get the collection of items as a plain array.
     *
     * @return iterable
     */
    public function toArray(): iterable
    {
        return $this->map(function ($value) /* @return mixed */ {
            return $value instanceof Collectable ? $value->toArray() : $value;
        })->all();
    }

    /**
     * {@inheritDoc}
     *
     * @return iterable
     */
    public function all(): iterable
    {
        if (is_array($this->source)) {
            return $this->source;
        }
        return iterator_to_array($this->getIterator());
    }

    /**
     * {@inheritDoc}
     */
    public function map(callable $callback)
    {
        return new static(function () use ($callback) {
            foreach ($this as $key => $value) {
                yield $key => $callback($value, $key);
            }
        });
    }

    /**
     * {@inheritDoc}
     */
    public function filter(callable $callback = null)
    {
        if (is_null($callback)) {
            $callback = function ($value): bool {
                return (bool) $value;
            };
        }
        return new static(function () use ($callback) {
            foreach ($this as $key => $value) {
                if ($callback($value, $key)) {
                    yield $key => $value;
                }
            }
        });
    }

    /**
     * {@inheritDoc}
     */
    public function reject(callable $callback)
    {
        return $this->filter(function ($item) use ($callback) {
            return !$callback($item);
        });
    }

    /**
     * {@inheritDoc}
     */
    public function reduce(callable $callback, $initial = 0)
    {
        $result = $initial;
        foreach ($this as $value) {
            $result = $callback($result, $value);
        }
        return $result;
    }

    /**
     * {@inheritDoc}
     */
    public function pluck($name)
    {
        return $this->map(function ($item) use ($name) {
            return $item[$name];
        });
    }

    /**
     * {@inheritDoc}
     */
    public function each(callable $callback)
    {
        foreach ($this->source as $item) {
            $callback($item);
        }
    }

    /**
     * {@inheritDoc}
     */
    public function count()
    {
        return iterator_count($this->getIterator());
    }

    /**
     * {@inheritDoc}
     */
    public function getIterator()
    {
        return $this->makeIterator($this->source);
    }

    /**
     * {@inheritDoc}
     */
    public function jsonSerialize()
    {
        return json_encode($this->toArray());
    }

    /**
     * Make an iterator from the given source.
     *
     * @param  mixed  $source
     * @return \Traversable
     */
    protected function makeIterator($source)
    {
        if (is_array($source)) {
            return new ArrayIterator($source);
        }
        return $source();
    }

    /**
     * {@inheritDoc}
     */
    public function serialize()
    {
        return serialize($this->toArray());
    }

    /**
     * {@inheritDoc}
     */
    public function unserialize($serialized)
    {
        $this->source = unserialize($serialized);
    }

    public function __debugInfo()
    {
        return $this->toArray();
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace PublishingKit\Utilities\Collections;
6
7		use Countable;
8		use IteratorAggregate;
9		use ArrayIterator;
10		use JsonSerializable;
11		use Generator;
12		use Traversable;
13		use Serializable;
14		use PublishingKit\Utilities\Contracts\Collectable;
15		use PublishingKit\Utilities\Traits\Macroable;
16
17		class LazyCollection implements Collectable, Countable, IteratorAggregate, JsonSerializable, Serializable
18		{
19	1	use Macroable;
		0 ignored issues – show Bug introduced 2019-12-28 17:54 UTC by Report Bug Copy Issue Report The trait `PublishingKit\Utilities\Traits\Macroable` requires the property `$name` which is not provided by `PublishingKit\Utilities\Collections\LazyCollection`. Loading history...
20
21		/**
22		* @var callable\|static
23		*/
24		private $source;
25
26		/**
27		* Create a new lazy collection instance.
28		*
29		* @param mixed $source
30		* @return void
31		*/
32	78	public function __construct($source = null)
33		{
34	78	if (is_callable($source) \|\| $source instanceof self) {
35	78	$this->source = $source;
36	27	} elseif (is_null($source)) {
37	3	$this->source = static::empty();
38		} else {
39	27	$this->source = $this->getArrayableItems($source);
40		}
41	78	}
42
43		/**
44		* {@inheritDoc}
45		*
46		* @return self
47		*/
48	3	public static function make(callable $callback): self
49		{
50	3	return new static($callback);
51		}
52
53		/**
54		* Create a new instance with no items.
55		*
56		* @return static
57		*/
58	3	public static function empty()
59		{
60	3	return new static([]);
61		}
62
63		/**
64		* Results array of items from Collection or Arrayable.
65		*
66		* @param mixed $items
67		*
68		* @return iterable
69		*/
70	27	protected function getArrayableItems($items): iterable
71		{
72	27	if (is_array($items)) {
73	15	return $items;
74	12	} elseif ($items instanceof Collectable) {
75	3	return $items->toArray();
76	9	} elseif ($items instanceof JsonSerializable) {
77	3	return (array) $items->jsonSerialize();
78	6	} elseif ($items instanceof Traversable) {
79	3	return iterator_to_array($items);
80		}
81	3	return (array) $items;
82		}
83
84		/**
85		* {@inheritDoc}
86		*/
87	3	public function toJson()
88		{
89	3	return json_encode($this->toArray());
90		}
91
92		/**
93		* Get the collection of items as a plain array.
94		*
95		* @return iterable
96		*/
97	27	public function toArray(): iterable
98		{
99	18	return $this->map(function ($value) /* @return mixed */ {
100	27	return $value instanceof Collectable ? $value->toArray() : $value;
101	27	})->all();
102		}
103
104		/**
105		* {@inheritDoc}
106		*
107		* @return iterable
108		*/
109	39	public function all(): iterable
110		{
111	39	if (is_array($this->source)) {
112	6	return $this->source;
113		}
114	33	return iterator_to_array($this->getIterator());
115		}
116
117		/**
118		* {@inheritDoc}
119		*/
120	27	public function map(callable $callback)
121		{
122	18	return new static(function () use ($callback) {
123	27	foreach ($this as $key => $value) {
124	27	yield $key => $callback($value, $key);
125		}
126	27	});
127		}
128
129		/**
130		* {@inheritDoc}
131		*/
132	9	public function filter(callable $callback = null)
133		{
134	9	if (is_null($callback)) {
135	2	$callback = function ($value): bool {
136	3	return (bool) $value;
137	3	};
138		}
139	6	return new static(function () use ($callback) {
140	9	foreach ($this as $key => $value) {
141	9	if ($callback($value, $key)) {
142	9	yield $key => $value;
143		}
144		}
145	9	});
146		}
147
148		/**
149		* {@inheritDoc}
150		*/
151	3	public function reject(callable $callback)
152		{
153	2	return $this->filter(function ($item) use ($callback) {
154	3	return !$callback($item);
155	3	});
156		}
157
158		/**
159		* {@inheritDoc}
160		*/
161	3	public function reduce(callable $callback, $initial = 0)
162		{
163	3	$result = $initial;
164	3	foreach ($this as $value) {
165	3	$result = $callback($result, $value);
166		}
167	3	return $result;
168		}
169
170		/**
171		* {@inheritDoc}
172		*/
173	3	public function pluck($name)
174		{
175	2	return $this->map(function ($item) use ($name) {
176	3	return $item[$name];
177	3	});
178		}
179
180		/**
181		* {@inheritDoc}
182		*/
183	3	public function each(callable $callback)
184		{
185	3	foreach ($this->source as $item) {
186	3	$callback($item);
187		}
188	3	}
189
190		/**
191		* {@inheritDoc}
192		*/
193	3	public function count()
194		{
195	3	return iterator_count($this->getIterator());
196		}
197
198		/**
199		* {@inheritDoc}
200		*/
201	42	public function getIterator()
202		{
203	42	return $this->makeIterator($this->source);
204		}
205
206		/**
207		* {@inheritDoc}
208		*/
209	3	public function jsonSerialize()
210		{
211	3	return json_encode($this->toArray());
212		}
213
214		/**
215		* Make an iterator from the given source.
216		*
217		* @param mixed $source
218		* @return \Traversable
219		*/
220	42	protected function makeIterator($source)
221		{
222	42	if (is_array($source)) {
223	6	return new ArrayIterator($source);
224		}
225	42	return $source();
226		}
227
228		/**
229		* {@inheritDoc}
230		*/
231	3	public function serialize()
232		{
233	3	return serialize($this->toArray());
234		}
235
236		/**
237		* {@inheritDoc}
238		*/
239	3	public function unserialize($serialized)
240		{
241	3	$this->source = unserialize($serialized);
242	3	}
243
244	3	public function __debugInfo()
245		{
246	3	return $this->toArray();
247		}
248		}
249

publishing-kit / utilities

Push — master ( a332d2...53b748 )

LazyCollection::reduce() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like