Extension::minifyJs() - Code Metrics - Inspection of "Fix menu(s) URL" - Cecilapp/Cecil - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — feature-output-formats ( c29a92...505338 )

by Arnaud

created 2019-02-15 11:36 UTC

Extension::minifyJs() A

↳ Parent: Extension

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	6
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	1

<?php
/*
 * Copyright (c) Arnaud Ligny <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Cecil\Renderer\Twig;

use Cecil\Builder;
use Cecil\Collection\CollectionInterface;
use Cecil\Collection\Page\Collection as PagesCollection;
use Cecil\Collection\Page\Page;
use Cecil\Config;
use Cecil\Exception\Exception;
use Cocur\Slugify\Bridge\Twig\SlugifyExtension;
use Cocur\Slugify\Slugify;
use Leafo\ScssPhp\Compiler;
use MatthiasMullie\Minify;
use Symfony\Component\Filesystem\Filesystem;

/**
 * Class Twig\Extension.
 */
class Extension extends SlugifyExtension
{
    /**
     * @var Builder
     */
    protected $builder;
    /**
     * @var Config
     */
    protected $config;
    /**
     * @var string
     */
    protected $outputPath;
    /**
     * @var Filesystem
     */
    protected $fileSystem;

    /**
     * Constructor.
     *
     * @param Builder $builder
     */
    public function __construct(Builder $builder)
    {
        parent::__construct(Slugify::create([
            'regexp' => Page::SLUGIFY_PATTERN,
        ]));

        $this->builder = $builder;
        $this->config = $this->builder->getConfig();
        $this->outputPath = $this->config->getOutputPath();
        $this->fileSystem = new Filesystem();
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'cecil';
    }

    /**
     * {@inheritdoc}
     */
    public function getFilters()
    {
        return [
            new \Twig_SimpleFilter('filterBySection', [$this, 'filterBySection']),
            new \Twig_SimpleFilter('filterBy', [$this, 'filterBy']),
            new \Twig_SimpleFilter('sortByTitle', [$this, 'sortByTitle']),
            new \Twig_SimpleFilter('sortByWeight', [$this, 'sortByWeight']),
            new \Twig_SimpleFilter('sortByDate', [$this, 'sortByDate']),
            new \Twig_SimpleFilter('urlize', [$this, 'slugifyFilter']),
            new \Twig_SimpleFilter('minifyCSS', [$this, 'minifyCss']),
            new \Twig_SimpleFilter('minifyJS', [$this, 'minifyJs']),
            new \Twig_SimpleFilter('SCSStoCSS', [$this, 'scssToCss']),
            new \Twig_SimpleFilter('excerpt', [$this, 'excerpt']),
            new \Twig_SimpleFilter('excerptHtml', [$this, 'excerptHtml']),
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function getFunctions()
    {
        return [
            new \Twig_SimpleFunction('url', [$this, 'createUrl']),
            new \Twig_SimpleFunction('minify', [$this, 'minify']),
            new \Twig_SimpleFunction('readtime', [$this, 'readtime']),
            new \Twig_SimpleFunction('toCSS', [$this, 'toCss']),
            new \Twig_SimpleFunction('hash', [$this, 'hashFile']),
            new \Twig_SimpleFunction('getenv', [$this, 'getEnv']),
        ];
    }

    /**
     * Filter by section.
     *
     * @param PagesCollection $pages
     * @param string          $section
     *
     * @return CollectionInterface
     */
    public function filterBySection(PagesCollection $pages, string $section): CollectionInterface
    {
        return $this->filterBy($pages, 'section', $section);
    }

    /**
     * Filter by variable.
     *
     * @param PagesCollection $pages
     * @param string          $variable
     * @param string          $value
     *
     * @throws Exception
     *
     * @return CollectionInterface
     */
    public function filterBy(PagesCollection $pages, string $variable, string $value): CollectionInterface
    {
        $filteredPages = $pages->filter(function (Page $page) use ($variable, $value) {
            // dedicated getter?
            $method = 'get'.ucfirst($variable);
            if (method_exists($page, $method) && $page->$method() == $value) {
                return true;
            }
            if ($page->getVariable($variable) == $value) {
                return true;
            }
        });

        return $filteredPages;
    }

    /**
     * Sort by title.
     *
     * @param CollectionInterface|array $array
     *
     * @return mixed
     */
    public function sortByTitle($array)
    {
        if ($array instanceof CollectionInterface) {
            $array = $array->toArray();
        }
        if (is_array($array)) {
            array_multisort(array_keys($array), SORT_NATURAL | SORT_FLAG_CASE, $array);
        }

        return $array;
    }

    /**
     * Sort by weight.
     *
     * @param CollectionInterface|array $array
     *
     * @return mixed
     */
    public function sortByWeight($array)
    {
        $callback = function ($a, $b) {
            if (!isset($a['weight'])) {
                return 1;
            }
            if (!isset($b['weight'])) {
                return -1;
            }
            if ($a['weight'] == $b['weight']) {
                return 0;
            }

            return ($a['weight'] < $b['weight']) ? -1 : 1;
        };

        if ($array instanceof CollectionInterface) {
            $array = $array->toArray();
        }
        if (is_array($array)) {
            usort($array, $callback);
        }

        return $array;
    }

    /**
     * Sort by date.
     *
     * @param CollectionInterface|array $array
     *
     * @return mixed
     */
    public function sortByDate($array)
    {
        $callback = function ($a, $b) {
            if (!isset($a['date'])) {
                return -1;
            }
            if (!isset($b['date'])) {
                return 1;
            }
            if ($a['date'] == $b['date']) {
                return 0;
            }

            return ($a['date'] > $b['date']) ? -1 : 1;
        };

        if ($array instanceof CollectionInterface) {
            $array = $array->toArray();
        }
        if (is_array($array)) {
            usort($array, $callback);
        }

        return $array;
    }

    /**
     * Create an URL.
     *
     * $options[
     *     'canonical' => null,
     *     'addhash'   => true,
     *     'format'    => 'json',
     * ];
     *
     * @param string|Page|null $value
     * @param array|null       $options
     *
     * @return string|null
     */
    public function createUrl($value = null, $options = null): ?string
    {
        $base = '';
        $baseurl = $this->config->get('site.baseurl');
        $hash = md5($this->config->get('site.time'));
        $canonical = null;
        $addhash = true;
        $format = 'html';

        // handle options
        if (isset($options['canonical'])) {
            $canonical = $options['canonical'];
        }
        if (is_bool($options)) { // backward compatibility
            $canonical = $options;
        }
        if (isset($options['addhash'])) {
            $addhash = $options['addhash'];
        }
        if (isset($options['format'])) {
            $format = $options['format'];
        }
        // set baseurl
        if ($this->config->get('site.canonicalurl') === true || $canonical === true) {
            $base = rtrim($baseurl, '/');
        }
        if ($canonical === false) {
            $base = '';
        }

        // Page item
        if ($value instanceof Page) {
            $url = $value->getUrl($format, $this->config);
            $url = $base.'/'.ltrim($url, '/');
        } else {
            // string
            if (preg_match('~^(?:f|ht)tps?://~i', $value)) { // external URL
                $url = $value;
            } else {
                if (false !== strpos($value, '.')) { // ressource URL (with a dot for extension)
                    $url = $value;
                    if ($addhash) {
                        $url .= '?'.$hash;
                    }
                    $url = $base.'/'.ltrim($url, '/');
                } else {
                    $url = $base.'/';
                    if (!empty($value)) { // value == page ID
                        $pageId = $this->slugifyFilter($value);
                        if ($this->builder->getPages()->has($pageId)) {
                            $page = $this->builder->getPages()->get($pageId);
                            if ($page instanceof Page) {
                                $url = $this->createUrl($page, $options);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
                            }
                        }
                    }
                }
            }
        }

        return $url;
    }

    /**
     * Minify a CSS or a JS file.
     *
     * @param string $path
     *
     * @throws Exception
     *
     * @return string
     */
    public function minify(string $path): string
    {
        $filePath = $this->outputPath.'/'.$path;
        if (is_file($filePath)) {
            $extension = (new \SplFileInfo($filePath))->getExtension();
            switch ($extension) {
                case 'css':
                    $minifier = new Minify\CSS($filePath);
                    break;
                case 'js':
                    $minifier = new Minify\JS($filePath);
                    break;
                default:
                    throw new Exception(sprintf("File '%s' should be a '.css' or a '.js'!", $path));
            }
            $minifier->minify($filePath);

            return $path;
        }

        throw new Exception(sprintf("File '%s' doesn't exist!", $path));
    }

    /**
     * Minify CSS.
     *
     * @param string $value
     *
     * @return string
     */
    public function minifyCss(string $value): string
    {
        $minifier = new Minify\CSS($value);

        return $minifier->minify();
    }

    /**
     * Minify JS.
     *
     * @param string $value
     *
     * @return string
     */
    public function minifyJs(string $value): string
    {
        $minifier = new Minify\JS($value);

        return $minifier->minify();
    }

    /**
     * Compile style file to CSS.
     *
     * @param string $path
     *
     * @throws Exception
     *
     * @return string
     */
    public function toCss(string $path): string
    {
        $filePath = $this->outputPath.'/'.$path;
        $subPath = substr($path, 0, strrpos($path, '/'));

        if (is_file($filePath)) {
            $extension = (new \SplFileInfo($filePath))->getExtension();
            switch ($extension) {
                case 'scss':
                    $scssPhp = new Compiler();
                    $scssPhp->setImportPaths($this->outputPath.'/'.$subPath);
                    $targetPath = preg_replace('/scss/m', 'css', $path);

                    // compile if target file doesn't exists
                    if (!$this->fileSystem->exists($this->outputPath.'/'.$targetPath)) {
                        $scss = file_get_contents($filePath);
                        $css = $scssPhp->compile($scss);
                        $this->fileSystem->dumpFile($this->outputPath.'/'.$targetPath, $css);
                    }

                    return $targetPath;
                default:
                    throw new Exception(sprintf("File '%s' should be a '.scss'!", $path));
            }
        }

        throw new Exception(sprintf("File '%s' doesn't exist!", $path));
    }

    /**
     * Compile SCSS string to CSS.
     *
     * @param string $value
     *
     * @return string
     */
    public function scssToCss(string $value): string
    {
        $scss = new Compiler();

        return $scss->compile($value);
    }

    /**
     * Read $lenght first characters of a string and add a suffix.
     *
     * @param string $string
     * @param int    $length
     * @param string $suffix
     *
     * @return string
     */
    public function excerpt(string $string, int $length = 450, string $suffix = ' …'): string
    {
        $string = str_replace('</p>', '<br /><br />', $string);
        $string = trim(strip_tags($string, '<br>'), '<br />');
        if (mb_strlen($string) > $length) {
            $string = mb_substr($string, 0, $length);
            $string .= $suffix;
        }

        return $string;
    }

    /**
     * Read characters before '<!-- excerpt -->'.
     *
     * @param string $string
     *
     * @return string
     */
    public function excerptHtml(string $string): string
    {
        // https://regex101.com/r/mA2mG0/3
        $pattern = '^(.*)[\n\r\s]*<!-- excerpt -->[\n\r\s]*(.*)$';
        preg_match(
            '/'.$pattern.'/s',
            $string,
            $matches
        );
        if (empty($matches)) {
            return $string;
        }

        return trim($matches[1]);
    }

    /**
     * Calculate estimated time to read a text.
     *
     * @param string $text
     *
     * @return string
     */
    public function readtime(string $text): string
    {
        $words = str_word_count(strip_tags($text));
        $min = floor($words / 200);
        if ($min === 0) {
            return '1';
        }

        return (string) $min;
    }

    /**
     * Hash file with sha384.
     *
     * @param string $path
     *
     * @return string|null
     */
    public function hashFile(string $path): ?string
    {
        if (is_file($filePath = $this->outputPath.'/'.$path)) {
            return sprintf('sha384-%s', base64_encode(hash_file('sha384', $filePath, true)));
        }
    }

    /**
     * Gets the value of an environment variable.
     *
     * @param string $var
     *
     * @return string|false
     */
    public function getEnv($var): ?string
    {
        return getenv($var);
    }
}


1			<?php
2			/*
3			* Copyright (c) Arnaud Ligny <[email protected]>
4			*
5			* For the full copyright and license information, please view the LICENSE
6			* file that was distributed with this source code.
7			*/
8
9			namespace Cecil\Renderer\Twig;
10
11			use Cecil\Builder;
12			use Cecil\Collection\CollectionInterface;
13			use Cecil\Collection\Page\Collection as PagesCollection;
14			use Cecil\Collection\Page\Page;
15			use Cecil\Config;
16			use Cecil\Exception\Exception;
17			use Cocur\Slugify\Bridge\Twig\SlugifyExtension;
18			use Cocur\Slugify\Slugify;
19			use Leafo\ScssPhp\Compiler;
20			use MatthiasMullie\Minify;
21			use Symfony\Component\Filesystem\Filesystem;
22
23			/**
24			* Class Twig\Extension.
25			*/
26			class Extension extends SlugifyExtension
27			{
28			/**
29			* @var Builder
30			*/
31			protected $builder;
32			/**
33			* @var Config
34			*/
35			protected $config;
36			/**
37			* @var string
38			*/
39			protected $outputPath;
40			/**
41			* @var Filesystem
42			*/
43			protected $fileSystem;
44
45			/**
46			* Constructor.
47			*
48			* @param Builder $builder
49			*/
50			public function __construct(Builder $builder)
51			{
52			parent::__construct(Slugify::create([
53			'regexp' => Page::SLUGIFY_PATTERN,
54			]));
55
56			$this->builder = $builder;
57			$this->config = $this->builder->getConfig();
58			$this->outputPath = $this->config->getOutputPath();
59			$this->fileSystem = new Filesystem();
60			}
61
62			/**
63			* {@inheritdoc}
64			*/
65			public function getName()
66			{
67			return 'cecil';
68			}
69
70			/**
71			* {@inheritdoc}
72			*/
73			public function getFilters()
74			{
75			return [
76			new \Twig_SimpleFilter('filterBySection', [$this, 'filterBySection']),
77			new \Twig_SimpleFilter('filterBy', [$this, 'filterBy']),
78			new \Twig_SimpleFilter('sortByTitle', [$this, 'sortByTitle']),
79			new \Twig_SimpleFilter('sortByWeight', [$this, 'sortByWeight']),
80			new \Twig_SimpleFilter('sortByDate', [$this, 'sortByDate']),
81			new \Twig_SimpleFilter('urlize', [$this, 'slugifyFilter']),
82			new \Twig_SimpleFilter('minifyCSS', [$this, 'minifyCss']),
83			new \Twig_SimpleFilter('minifyJS', [$this, 'minifyJs']),
84			new \Twig_SimpleFilter('SCSStoCSS', [$this, 'scssToCss']),
85			new \Twig_SimpleFilter('excerpt', [$this, 'excerpt']),
86			new \Twig_SimpleFilter('excerptHtml', [$this, 'excerptHtml']),
87			];
88			}
89
90			/**
91			* {@inheritdoc}
92			*/
93			public function getFunctions()
94			{
95			return [
96			new \Twig_SimpleFunction('url', [$this, 'createUrl']),
97			new \Twig_SimpleFunction('minify', [$this, 'minify']),
98			new \Twig_SimpleFunction('readtime', [$this, 'readtime']),
99			new \Twig_SimpleFunction('toCSS', [$this, 'toCss']),
100			new \Twig_SimpleFunction('hash', [$this, 'hashFile']),
101			new \Twig_SimpleFunction('getenv', [$this, 'getEnv']),
102			];
103			}
104
105			/**
106			* Filter by section.
107			*
108			* @param PagesCollection $pages
109			* @param string $section
110			*
111			* @return CollectionInterface
112			*/
113			public function filterBySection(PagesCollection $pages, string $section): CollectionInterface
114			{
115			return $this->filterBy($pages, 'section', $section);
116			}
117
118			/**
119			* Filter by variable.
120			*
121			* @param PagesCollection $pages
122			* @param string $variable
123			* @param string $value
124			*
125			* @throws Exception
126			*
127			* @return CollectionInterface
128			*/
129			public function filterBy(PagesCollection $pages, string $variable, string $value): CollectionInterface
130			{
131			$filteredPages = $pages->filter(function (Page $page) use ($variable, $value) {
132			// dedicated getter?
133			$method = 'get'.ucfirst($variable);
134			if (method_exists($page, $method) && $page->$method() == $value) {
135			return true;
136			}
137			if ($page->getVariable($variable) == $value) {
138			return true;
139			}
140			});
141
142			return $filteredPages;
143			}
144
145			/**
146			* Sort by title.
147			*
148			* @param CollectionInterface\|array $array
149			*
150			* @return mixed
151			*/
152			public function sortByTitle($array)
153			{
154			if ($array instanceof CollectionInterface) {
155			$array = $array->toArray();
156			}
157			if (is_array($array)) {
158			array_multisort(array_keys($array), SORT_NATURAL \| SORT_FLAG_CASE, $array);
159			}
160
161			return $array;
162			}
163
164			/**
165			* Sort by weight.
166			*
167			* @param CollectionInterface\|array $array
168			*
169			* @return mixed
170			*/
171			public function sortByWeight($array)
172			{
173			$callback = function ($a, $b) {
174			if (!isset($a['weight'])) {
175			return 1;
176			}
177			if (!isset($b['weight'])) {
178			return -1;
179			}
180			if ($a['weight'] == $b['weight']) {
181			return 0;
182			}
183
184			return ($a['weight'] < $b['weight']) ? -1 : 1;
185			};
186
187			if ($array instanceof CollectionInterface) {
188			$array = $array->toArray();
189			}
190			if (is_array($array)) {
191			usort($array, $callback);
192			}
193
194			return $array;
195			}
196
197			/**
198			* Sort by date.
199			*
200			* @param CollectionInterface\|array $array
201			*
202			* @return mixed
203			*/
204			public function sortByDate($array)
205			{
206			$callback = function ($a, $b) {
207			if (!isset($a['date'])) {
208			return -1;
209			}
210			if (!isset($b['date'])) {
211			return 1;
212			}
213			if ($a['date'] == $b['date']) {
214			return 0;
215			}
216
217			return ($a['date'] > $b['date']) ? -1 : 1;
218			};
219
220			if ($array instanceof CollectionInterface) {
221			$array = $array->toArray();
222			}
223			if (is_array($array)) {
224			usort($array, $callback);
225			}
226
227			return $array;
228			}
229
230			/**
231			* Create an URL.
232			*
233			* $options[
234			* 'canonical' => null,
235			* 'addhash' => true,
236			* 'format' => 'json',
237			* ];
238			*
239			* @param string\|Page\|null $value
240			* @param array\|null $options
241			*
242			* @return string\|null
243			*/
244			public function createUrl($value = null, $options = null): ?string
245			{
246			$base = '';
247			$baseurl = $this->config->get('site.baseurl');
248			$hash = md5($this->config->get('site.time'));
249			$canonical = null;
250			$addhash = true;
251			$format = 'html';
252
253			// handle options
254			if (isset($options['canonical'])) {
255			$canonical = $options['canonical'];
256			}
257			if (is_bool($options)) { // backward compatibility
258			$canonical = $options;
259			}
260			if (isset($options['addhash'])) {
261			$addhash = $options['addhash'];
262			}
263			if (isset($options['format'])) {
264			$format = $options['format'];
265			}
266			// set baseurl
267			if ($this->config->get('site.canonicalurl') === true \|\| $canonical === true) {
268			$base = rtrim($baseurl, '/');
269			}
270			if ($canonical === false) {
271			$base = '';
272			}
273
274			// Page item
275			if ($value instanceof Page) {
276			$url = $value->getUrl($format, $this->config);
277			$url = $base.'/'.ltrim($url, '/');
278			} else {
279			// string
280			if (preg_match('~^(?:f\|ht)tps?://~i', $value)) { // external URL
281			$url = $value;
282			} else {
283			if (false !== strpos($value, '.')) { // ressource URL (with a dot for extension)
284			$url = $value;
285			if ($addhash) {
286			$url .= '?'.$hash;
287			}
288			$url = $base.'/'.ltrim($url, '/');
289			} else {
290			$url = $base.'/';
291			if (!empty($value)) { // value == page ID
292			$pageId = $this->slugifyFilter($value);
293			if ($this->builder->getPages()->has($pageId)) {
294			$page = $this->builder->getPages()->get($pageId);
295			if ($page instanceof Page) {
296			$url = $this->createUrl($page, $options);
			0 ignored issues – show Bug introduced 2019-02-15 11:39 UTC by Report Bug Copy Issue Report It seems like `$options` can also be of type `boolean`; however, `Cecil\Renderer\Twig\Extension::createUrl()` does only seem to accept `array\|null`, maybe add an additional type check? If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check: /** * @return array\|string */ function returnsDifferentValues($x) { if ($x) { return 'foo'; } return array(); } $x = returnsDifferentValues($y); if (is_array($x)) { // $x is an array. } If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue. Loading history...
297			}
298			}
299			}
300			}
301			}
302			}
303
304			return $url;
305			}
306
307			/**
308			* Minify a CSS or a JS file.
309			*
310			* @param string $path
311			*
312			* @throws Exception
313			*
314			* @return string
315			*/
316			public function minify(string $path): string
317			{
318			$filePath = $this->outputPath.'/'.$path;
319			if (is_file($filePath)) {
320			$extension = (new \SplFileInfo($filePath))->getExtension();
321			switch ($extension) {
322			case 'css':
323			$minifier = new Minify\CSS($filePath);
324			break;
325			case 'js':
326			$minifier = new Minify\JS($filePath);
327			break;
328			default:
329			throw new Exception(sprintf("File '%s' should be a '.css' or a '.js'!", $path));
330			}
331			$minifier->minify($filePath);
332
333			return $path;
334			}
335
336			throw new Exception(sprintf("File '%s' doesn't exist!", $path));
337			}
338
339			/**
340			* Minify CSS.
341			*
342			* @param string $value
343			*
344			* @return string
345			*/
346			public function minifyCss(string $value): string
347			{
348			$minifier = new Minify\CSS($value);
349
350			return $minifier->minify();
351			}
352
353			/**
354			* Minify JS.
355			*
356			* @param string $value
357			*
358			* @return string
359			*/
360			public function minifyJs(string $value): string
361			{
362			$minifier = new Minify\JS($value);
363
364			return $minifier->minify();
365			}
366
367			/**
368			* Compile style file to CSS.
369			*
370			* @param string $path
371			*
372			* @throws Exception
373			*
374			* @return string
375			*/
376			public function toCss(string $path): string
377			{
378			$filePath = $this->outputPath.'/'.$path;
379			$subPath = substr($path, 0, strrpos($path, '/'));
380
381			if (is_file($filePath)) {
382			$extension = (new \SplFileInfo($filePath))->getExtension();
383			switch ($extension) {
384			case 'scss':
385			$scssPhp = new Compiler();
386			$scssPhp->setImportPaths($this->outputPath.'/'.$subPath);
387			$targetPath = preg_replace('/scss/m', 'css', $path);
388
389			// compile if target file doesn't exists
390			if (!$this->fileSystem->exists($this->outputPath.'/'.$targetPath)) {
391			$scss = file_get_contents($filePath);
392			$css = $scssPhp->compile($scss);
393			$this->fileSystem->dumpFile($this->outputPath.'/'.$targetPath, $css);
394			}
395
396			return $targetPath;
397			default:
398			throw new Exception(sprintf("File '%s' should be a '.scss'!", $path));
399			}
400			}
401
402			throw new Exception(sprintf("File '%s' doesn't exist!", $path));
403			}
404
405			/**
406			* Compile SCSS string to CSS.
407			*
408			* @param string $value
409			*
410			* @return string
411			*/
412			public function scssToCss(string $value): string
413			{
414			$scss = new Compiler();
415
416			return $scss->compile($value);
417			}
418
419			/**
420			* Read $lenght first characters of a string and add a suffix.
421			*
422			* @param string $string
423			* @param int $length
424			* @param string $suffix
425			*
426			* @return string
427			*/
428			public function excerpt(string $string, int $length = 450, string $suffix = ' …'): string
429			{
430			$string = str_replace('</p>', '<br /><br />', $string);
431			$string = trim(strip_tags($string, '<br>'), '<br />');
432			if (mb_strlen($string) > $length) {
433			$string = mb_substr($string, 0, $length);
434			$string .= $suffix;
435			}
436
437			return $string;
438			}
439
440			/**
441			* Read characters before '<!-- excerpt -->'.
442			*
443			* @param string $string
444			*
445			* @return string
446			*/
447			public function excerptHtml(string $string): string
448			{
449			// https://regex101.com/r/mA2mG0/3
450			$pattern = '^(.)[\n\r\s]<!-- excerpt -->[\n\r\s](.)$';
451			preg_match(
452			'/'.$pattern.'/s',
453			$string,
454			$matches
455			);
456			if (empty($matches)) {
457			return $string;
458			}
459
460			return trim($matches[1]);
461			}
462
463			/**
464			* Calculate estimated time to read a text.
465			*
466			* @param string $text
467			*
468			* @return string
469			*/
470			public function readtime(string $text): string
471			{
472			$words = str_word_count(strip_tags($text));
473			$min = floor($words / 200);
474			if ($min === 0) {
475			return '1';
476			}
477
478			return (string) $min;
479			}
480
481			/**
482			* Hash file with sha384.
483			*
484			* @param string $path
485			*
486			* @return string\|null
487			*/
488			public function hashFile(string $path): ?string
489			{
490			if (is_file($filePath = $this->outputPath.'/'.$path)) {
491			return sprintf('sha384-%s', base64_encode(hash_file('sha384', $filePath, true)));
492			}
493			}
494
495			/**
496			* Gets the value of an environment variable.
497			*
498			* @param string $var
499			*
500			* @return string\|false
501			*/
502			public function getEnv($var): ?string
503			{
504			return getenv($var);
505			}
506			}
507

Cecilapp / Cecil

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Extension::minifyJs() A

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