15743778999

Committed 18 Jun 2025 09:14PM UTC coverage: 94.251% (+2.3%) from 91.984%

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push

github

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Commit Message

simplified detection of dev server

Run Details

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81.25

/src/Assets/Helpers.php

<?php

declare(strict_types=1);

namespace Nette\Assets;

use Nette;


/**
 * Static helper class providing utility functions for working with assets.
 */
final class Helpers
{
        use Nette\StaticClass;

        private const ExtensionToMime = [
                'avif' => 'image/avif', 'gif' => 'image/gif', 'ico' => 'image/vnd.microsoft.icon', 'jpeg' => 'image/jpeg', 'jpg' => 'image/jpeg', 'png' => 'image/png', 'svg' => 'image/svg+xml', 'webp' => 'image/webp',
                'js' => 'application/javascript', 'mjs' => 'application/javascript',
                'css' => 'text/css',
                'aac' => 'audio/aac', 'flac' => 'audio/flac', 'm4a' => 'audio/mp4', 'mp3' => 'audio/mpeg', 'ogg' => 'audio/ogg', 'wav' => 'audio/wav',
                'avi' => 'video/x-msvideo', 'mkv' => 'video/x-matroska', 'mov' => 'video/quicktime', 'mp4' => 'video/mp4', 'ogv' => 'video/ogg', 'webm' => 'video/webm',
                'woff' => 'font/woff', 'woff2' => 'font/woff2', 'ttf' => 'font/ttf',
        ];


        /**
         * Creates an Asset instance. The asset type is detected by 'mimeType' if provided in $args,
         * otherwise is guessed from the file extension of $path or $url.
         * @param  mixed[]  $args  parameters passed to the asset constructor
         */
        public static function createAssetFromUrl(string $url, ?string $path = null, array $args = []): Asset
        {
                $args['url'] = $url;
                $args['file'] = $path;
                $argsm = $args;
                $mime = (string) $argsm['mimeType'] ??= self::guessMimeTypeFromExtension($path ?? $url);
                $type = explode('/', (string) $mime, 2)[0];
                return match (true) {
                        $mime === 'application/javascript' => new ScriptAsset(...$args),
                        $mime === 'text/css' => new StyleAsset(...$args),
                        $type === 'image' => new ImageAsset(...$args),
                        $type === 'audio' => new AudioAsset(...$argsm),
                        $type === 'video' => new VideoAsset(...$argsm),
                        $type === 'font' => new FontAsset(...$argsm),
                        default => new GenericAsset(...$argsm),
                };
        }


        public static function guessMimeTypeFromExtension(string $url): ?string
        {
                return preg_match('~\.([a-z0-9]{1,5})([?#]|$)~i', $url, $m)
                        ? self::ExtensionToMime[strtolower($m[1])] ?? null
                        : null;
        }


        /**
         * Splits a potentially qualified reference 'mapper:reference' into a [mapper, reference] array.
         * @return array{?string, string}
         */
        public static function parseReference(string $qualifiedRef): array
        {
                $parts = explode(':', $qualifiedRef, 2);
                return count($parts) === 1
                        ? [null, $parts[0]]
                        : [$parts[0], $parts[1]];
        }


        /**
         * Validates an array of options against allowed optional and required keys.
         * @throws \InvalidArgumentException if there are unsupported or missing options
         */
        public static function checkOptions(array $array, array $optional = [], array $required = []): void
        {
                if ($keys = array_diff(array_keys($array), $optional, $required)) {
                        throw new \InvalidArgumentException('Unsupported asset options: ' . implode(', ', $keys));
                }
                if ($keys = array_diff($required, array_keys($array))) {
                        throw new \InvalidArgumentException('Missing asset options: ' . implode(', ', $keys));
                }
        }


        /**
         * Estimates the duration (in seconds) of an MP3 file, assuming constant bitrate (CBR).
         * @throws \RuntimeException If the file cannot be opened, MP3 sync bits aren't found, or the bitrate is invalid/unsupported.
         */
        public static function guessMP3Duration(string $path): float
        {
                if (
                        ($header = @file_get_contents($path, length: 10000)) === false // @ - file may not exist
                        || ($fileSize = @filesize($path)) === false
                ) {
                        throw new \RuntimeException(sprintf("Failed to open file '%s'. %s", $path, Nette\Utils\Helpers::getLastError()));
                }

                $frameOffset = strpos($header, "\xFF\xFB"); // 0xFB indicates MPEG Version 1, Layer III, no protection bit.
                if ($frameOffset === false) {
                        throw new \RuntimeException('Failed to find MP3 frame sync bits.');
                }

                $frameHeader = substr($header, $frameOffset, 4);
                $headerBits = unpack('N', $frameHeader)[1];
                $bitrateIndex = ($headerBits >> 12) & 0xF;
                $bitrate = [null, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320][$bitrateIndex] ?? null;
                if ($bitrate === null) {
                        throw new \RuntimeException('Invalid or unsupported bitrate index.');
                }

                return $fileSize * 8 / $bitrate / 1000;
        }


        public static function detectDevServer(string $infoFile): ?string
        {
                return ($info = @file_get_contents($infoFile)) // @ file may not exists
                        && ($info = json_decode($info, associative: true))
                        && isset($info['devServer'])
                        && ($url = parse_url($info['devServer']))
                        ? $info['devServer']
                        : null;
        }
}

1	<?php
2
3	declare(strict_types=1);
4
5	namespace Nette\Assets;
6
7	use Nette;
8
9
10	/**
11	* Static helper class providing utility functions for working with assets.
12	*/
13	final class Helpers
14	{
15	use Nette\StaticClass;
16
17	private const ExtensionToMime = [
18	'avif' => 'image/avif', 'gif' => 'image/gif', 'ico' => 'image/vnd.microsoft.icon', 'jpeg' => 'image/jpeg', 'jpg' => 'image/jpeg', 'png' => 'image/png', 'svg' => 'image/svg+xml', 'webp' => 'image/webp',
19	'js' => 'application/javascript', 'mjs' => 'application/javascript',
20	'css' => 'text/css',
21	'aac' => 'audio/aac', 'flac' => 'audio/flac', 'm4a' => 'audio/mp4', 'mp3' => 'audio/mpeg', 'ogg' => 'audio/ogg', 'wav' => 'audio/wav',
22	'avi' => 'video/x-msvideo', 'mkv' => 'video/x-matroska', 'mov' => 'video/quicktime', 'mp4' => 'video/mp4', 'ogv' => 'video/ogg', 'webm' => 'video/webm',
23	'woff' => 'font/woff', 'woff2' => 'font/woff2', 'ttf' => 'font/ttf',
24	];
25
26
27	/**
28	* Creates an Asset instance. The asset type is detected by 'mimeType' if provided in $args,
29	* otherwise is guessed from the file extension of $path or $url.
30	* @param mixed[] $args parameters passed to the asset constructor
31	*/
32	public static function createAssetFromUrl(string $url, ?string $path = null, array $args = []): Asset	1✔
33	{
34	$args['url'] = $url;	1✔
35	$args['file'] = $path;	1✔
36	$argsm = $args;	1✔
37	$mime = (string) $argsm['mimeType'] ??= self::guessMimeTypeFromExtension($path ?? $url);	1✔
38	$type = explode('/', (string) $mime, 2)[0];	1✔
39	return match (true) {
40	$mime === 'application/javascript' => new ScriptAsset(...$args),	1✔
41	$mime === 'text/css' => new StyleAsset(...$args),	1✔
42	$type === 'image' => new ImageAsset(...$args),	1✔
43	$type === 'audio' => new AudioAsset(...$argsm),	1✔
44	$type === 'video' => new VideoAsset(...$argsm),	1✔
45	$type === 'font' => new FontAsset(...$argsm),	1✔
46	default => new GenericAsset(...$argsm),	1✔
47	};
48	}
49
50
51	public static function guessMimeTypeFromExtension(string $url): ?string	1✔
52	{
53	return preg_match('~\.([a-z0-9]{1,5})([?#]\|$)~i', $url, $m)	1✔
54	? self::ExtensionToMime[strtolower($m[1])] ?? null	1✔
55	: null;	1✔
56	}
57
58
59	/**
60	* Splits a potentially qualified reference 'mapper:reference' into a [mapper, reference] array.
61	* @return array{?string, string}
62	*/
63	public static function parseReference(string $qualifiedRef): array	1✔
64	{
65	$parts = explode(':', $qualifiedRef, 2);	1✔
66	return count($parts) === 1	1✔
67	? [null, $parts[0]]	1✔
68	: [$parts[0], $parts[1]];	1✔
69	}
70
71
72	/**
73	* Validates an array of options against allowed optional and required keys.
74	* @throws \InvalidArgumentException if there are unsupported or missing options
75	*/
76	public static function checkOptions(array $array, array $optional = [], array $required = []): void	1✔
77	{
78	if ($keys = array_diff(array_keys($array), $optional, $required)) {	1✔
79	throw new \InvalidArgumentException('Unsupported asset options: ' . implode(', ', $keys));	1✔
80	}
81	if ($keys = array_diff($required, array_keys($array))) {	1✔
82	throw new \InvalidArgumentException('Missing asset options: ' . implode(', ', $keys));	×
83	}
84	}	1✔
85
86
87	/**
88	* Estimates the duration (in seconds) of an MP3 file, assuming constant bitrate (CBR).
89	* @throws \RuntimeException If the file cannot be opened, MP3 sync bits aren't found, or the bitrate is invalid/unsupported.
90	*/
91	public static function guessMP3Duration(string $path): float	1✔
92	{
93	if (
94	($header = @file_get_contents($path, length: 10000)) === false // @ - file may not exist	1✔
95	\|\| ($fileSize = @filesize($path)) === false	1✔
96	) {
97	throw new \RuntimeException(sprintf("Failed to open file '%s'. %s", $path, Nette\Utils\Helpers::getLastError()));	×
98	}
99
100	$frameOffset = strpos($header, "\xFF\xFB"); // 0xFB indicates MPEG Version 1, Layer III, no protection bit.	1✔
101	if ($frameOffset === false) {	1✔
102	throw new \RuntimeException('Failed to find MP3 frame sync bits.');	1✔
103	}
104
105	$frameHeader = substr($header, $frameOffset, 4);	1✔
106	$headerBits = unpack('N', $frameHeader)[1];	1✔
107	$bitrateIndex = ($headerBits >> 12) & 0xF;	1✔
108	$bitrate = [null, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320][$bitrateIndex] ?? null;	1✔
109	if ($bitrate === null) {	1✔
110	throw new \RuntimeException('Invalid or unsupported bitrate index.');	×
111	}
112
113	return $fileSize * 8 / $bitrate / 1000;	1✔
114	}
115
116
117	public static function detectDevServer(string $infoFile): ?string
118	{
NEW 119	return ($info = @file_get_contents($infoFile)) // @ file may not exists	×
NEW 120	&& ($info = json_decode($info, associative: true))	×
NEW 121	&& isset($info['devServer'])	×
122	&& ($url = parse_url($info['devServer']))	×
123	? $info['devServer']	×
124	: null;	×
125	}
126	}

nette / assets / 15743778999

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