<?php

namespace Illuminate\Foundation;

use Illuminate\Contracts\Support\Htmlable;
use Illuminate\Support\Collection;
use Illuminate\Support\HtmlString;
use Illuminate\Support\Js;
use Illuminate\Support\Str;
use Illuminate\Support\Traits\Macroable;

class Vite implements Htmlable
{
    use Macroable;

    /**
     * The Content Security Policy nonce to apply to all generated tags.
     *
     * @var string|null
     */
    protected $nonce;

    /**
     * The key to check for integrity hashes within the manifest.
     *
     * @var string|false
     */
    protected $integrityKey = 'integrity';

    /**
     * The configured entry points.
     *
     * @var array
     */
    protected $entryPoints = [];

    /**
     * The path to the "hot" file.
     *
     * @var string|null
     */
    protected $hotFile;

    /**
     * The path to the build directory.
     *
     * @var string
     */
    protected $buildDirectory = 'build';

    /**
     * The name of the manifest file.
     *
     * @var string
     */
    protected $manifestFilename = 'manifest.json';

    /**
     * The custom asset path resolver.
     *
     * @var callable|null
     */
    protected $assetPathResolver = null;

    /**
     * The script tag attributes resolvers.
     *
     * @var array
     */
    protected $scriptTagAttributesResolvers = [];

    /**
     * The style tag attributes resolvers.
     *
     * @var array
     */
    protected $styleTagAttributesResolvers = [];

    /**
     * The preload tag attributes resolvers.
     *
     * @var array
     */
    protected $preloadTagAttributesResolvers = [];

    /**
     * The preloaded assets.
     *
     * @var array
     */
    protected $preloadedAssets = [];

    /**
     * The cached manifest files.
     *
     * @var array
     */
    protected static $manifests = [];

    /**
     * The prefetching strategy to use.
     *
     * @var null|'waterfall'|'aggressive'
     */
    protected $prefetchStrategy = null;

    /**
     * The number of assets to load concurrently when using the "waterfall" strategy.
     *
     * @var int
     */
    protected $prefetchConcurrently = 3;

    /**
     * Get the preloaded assets.
     *
     * @return array
     */
    public function preloadedAssets()
    {
        return $this->preloadedAssets;
    }

    /**
     * Get the Content Security Policy nonce applied to all generated tags.
     *
     * @return string|null
     */
    public function cspNonce()
    {
        return $this->nonce;
    }

    /**
     * Generate or set a Content Security Policy nonce to apply to all generated tags.
     *
     * @param  string|null  $nonce
     * @return string
     */
    public function useCspNonce($nonce = null)
    {
        return $this->nonce = $nonce ?? Str::random(40);
    }

    /**
     * Use the given key to detect integrity hashes in the manifest.
     *
     * @param  string|false  $key
     * @return $this
     */
    public function useIntegrityKey($key)
    {
        $this->integrityKey = $key;

        return $this;
    }

    /**
     * Set the Vite entry points.
     *
     * @param  array  $entryPoints
     * @return $this
     */
    public function withEntryPoints($entryPoints)
    {
        $this->entryPoints = $entryPoints;

        return $this;
    }

    /**
     * Set the filename for the manifest file.
     *
     * @param  string  $filename
     * @return $this
     */
    public function useManifestFilename($filename)
    {
        $this->manifestFilename = $filename;

        return $this;
    }

    /**
     * Resolve asset paths using the provided resolver.
     *
     * @param  callable|null  $resolver
     * @return $this
     */
    public function createAssetPathsUsing($resolver)
    {
        $this->assetPathResolver = $resolver;

        return $this;
    }

    /**
     * Get the Vite "hot" file path.
     *
     * @return string
     */
    public function hotFile()
    {
        return $this->hotFile ?? public_path('/hot');
    }

    /**
     * Set the Vite "hot" file path.
     *
     * @param  string  $path
     * @return $this
     */
    public function useHotFile($path)
    {
        $this->hotFile = $path;

        return $this;
    }

    /**
     * Set the Vite build directory.
     *
     * @param  string  $path
     * @return $this
     */
    public function useBuildDirectory($path)
    {
        $this->buildDirectory = $path;

        return $this;
    }

    /**
     * Use the given callback to resolve attributes for script tags.
     *
     * @param  (callable(string, string, ?array, ?array): array)|array  $attributes
     * @return $this
     */
    public function useScriptTagAttributes($attributes)
    {
        if (! is_callable($attributes)) {
            $attributes = fn () => $attributes;
        }

        $this->scriptTagAttributesResolvers[] = $attributes;

        return $this;
    }

    /**
     * Use the given callback to resolve attributes for style tags.
     *
     * @param  (callable(string, string, ?array, ?array): array)|array  $attributes
     * @return $this
     */
    public function useStyleTagAttributes($attributes)
    {
        if (! is_callable($attributes)) {
            $attributes = fn () => $attributes;
        }

        $this->styleTagAttributesResolvers[] = $attributes;

        return $this;
    }

    /**
     * Use the given callback to resolve attributes for preload tags.
     *
     * @param  (callable(string, string, ?array, ?array): (array|false))|array|false  $attributes
     * @return $this
     */
    public function usePreloadTagAttributes($attributes)
    {
        if (! is_callable($attributes)) {
            $attributes = fn () => $attributes;
        }

        $this->preloadTagAttributesResolvers[] = $attributes;

        return $this;
    }

    /**
     * Use the "waterfall" prefetching strategy.
     *
     * @param  int|null  $concurrency
     * @return $this
     */
    public function useWaterfallPrefetching(?int $concurrency = null)
    {
        return $this->usePrefetchStrategy('waterfall', [
            'concurrency' => $concurrency ?? $this->prefetchConcurrently,
        ]);
    }

    /**
     * Use the "aggressive" prefetching strategy.
     *
     * @return $this
     */
    public function useAggressivePrefetching()
    {
        return $this->usePrefetchStrategy('aggressive');
    }

    /**
     * Set the prefetching strategy.
     *
     * @param  'waterfall'|'aggressive'|null  $strategy
     * @param  array  $config
     * @return $this
     */
    public function usePrefetchStrategy($strategy, $config = [])
    {
        $this->prefetchStrategy = $strategy;

        if ($strategy === 'waterfall') {
            $this->prefetchConcurrently = $config['concurrency'] ?? $this->prefetchConcurrently;
        }

        return $this;
    }

    /**
     * Generate Vite tags for an entrypoint.
     *
     * @param  string|string[]  $entrypoints
     * @param  string|null  $buildDirectory
     * @return \Illuminate\Support\HtmlString
     *
     * @throws \Exception
     */
    public function __invoke($entrypoints, $buildDirectory = null)
    {
        $entrypoints = collect($entrypoints);
        $buildDirectory ??= $this->buildDirectory;

        if ($this->isRunningHot()) {
            return new HtmlString(
                $entrypoints
                    ->prepend('@vite/client')
                    ->map(fn ($entrypoint) => $this->makeTagForChunk($entrypoint, $this->hotAsset($entrypoint), null, null))
                    ->join('')
            );
        }

        $manifest = $this->manifest($buildDirectory);

        $tags = collect();
        $preloads = collect();

        foreach ($entrypoints as $entrypoint) {
            $chunk = $this->chunk($manifest, $entrypoint);

            $preloads->push([
                $chunk['src'],
                $this->assetPath("{$buildDirectory}/{$chunk['file']}"),
                $chunk,
                $manifest,
            ]);

            foreach ($chunk['imports'] ?? [] as $import) {
                $preloads->push([
                    $import,
                    $this->assetPath("{$buildDirectory}/{$manifest[$import]['file']}"),
                    $manifest[$import],
                    $manifest,
                ]);

                foreach ($manifest[$import]['css'] ?? [] as $css) {
                    $partialManifest = Collection::make($manifest)->where('file', $css);

                    $preloads->push([
                        $partialManifest->keys()->first(),
                        $this->assetPath("{$buildDirectory}/{$css}"),
                        $partialManifest->first(),
                        $manifest,
                    ]);

                    $tags->push($this->makeTagForChunk(
                        $partialManifest->keys()->first(),
                        $this->assetPath("{$buildDirectory}/{$css}"),
                        $partialManifest->first(),
                        $manifest
                    ));
                }
            }

            $tags->push($this->makeTagForChunk(
                $entrypoint,
                $this->assetPath("{$buildDirectory}/{$chunk['file']}"),
                $chunk,
                $manifest
            ));

            foreach ($chunk['css'] ?? [] as $css) {
                $partialManifest = Collection::make($manifest)->where('file', $css);

                $preloads->push([
                    $partialManifest->keys()->first(),
                    $this->assetPath("{$buildDirectory}/{$css}"),
                    $partialManifest->first(),
                    $manifest,
                ]);

                $tags->push($this->makeTagForChunk(
                    $partialManifest->keys()->first(),
                    $this->assetPath("{$buildDirectory}/{$css}"),
                    $partialManifest->first(),
                    $manifest
                ));
            }
        }

        [$stylesheets, $scripts] = $tags->unique()->partition(fn ($tag) => str_starts_with($tag, '<link'));

        $preloads = $preloads->unique()
            ->sortByDesc(fn ($args) => $this->isCssPath($args[1]))
            ->map(fn ($args) => $this->makePreloadTagForChunk(...$args));

        $base = $preloads->join('').$stylesheets->join('').$scripts->join('');

        if ($this->prefetchStrategy === null || $this->isRunningHot()) {
            return new HtmlString($base);
        }

        $discoveredImports = [];

        return collect($entrypoints)
            ->flatMap(fn ($entrypoint) => collect($manifest[$entrypoint]['dynamicImports'] ?? [])
                ->map(fn ($import) => $manifest[$import])
                ->filter(fn ($chunk) => str_ends_with($chunk['file'], '.js') || str_ends_with($chunk['file'], '.css'))
                ->flatMap($f = function ($chunk) use (&$f, $manifest, &$discoveredImports) {
                    return collect([...$chunk['imports'] ?? [], ...$chunk['dynamicImports'] ?? []])
                        ->reject(function ($import) use (&$discoveredImports) {
                            if (isset($discoveredImports[$import])) {
                                return true;
                            }

                            return ! $discoveredImports[$import] = true;
                        })
                        ->reduce(
                            fn ($chunks, $import) => $chunks->merge(
                                $f($manifest[$import])
                            ), collect([$chunk]))
                        ->merge(collect($chunk['css'] ?? [])->map(
                            fn ($css) => collect($manifest)->first(fn ($chunk) => $chunk['file'] === $css) ?? [
                                'file' => $css,
                            ],
                        ));
                })
                ->map(function ($chunk) use ($buildDirectory, $manifest) {
                    return collect([
                        ...$this->resolvePreloadTagAttributes(
                            $chunk['src'] ?? null,
                            $url = $this->assetPath("{$buildDirectory}/{$chunk['file']}"),
                            $chunk,
                            $manifest,
                        ),
                        'rel' => 'prefetch',
                        'fetchpriority' => 'low',
                        'href' => $url,
                    ])->reject(
                        fn ($value) => in_array($value, [null, false], true)
                    )->mapWithKeys(fn ($value, $key) => [
                        $key = (is_int($key) ? $value : $key) => $value === true ? $key : $value,
                    ])->all();
                })
                ->reject(fn ($attributes) => isset($this->preloadedAssets[$attributes['href']])))
            ->unique('href')
            ->values()
            ->pipe(fn ($assets) => with(Js::from($assets), fn ($assets) => match ($this->prefetchStrategy) {
                'waterfall' => new HtmlString($base.<<<HTML

                    <script>
                         window.addEventListener('load', () => window.setTimeout(() => {
                            const makeLink = (asset) => {
                                const link = document.createElement('link')

                                Object.keys(asset).forEach((attribute) => {
                                    link.setAttribute(attribute, asset[attribute])
                                })

                                return link
                            }

                            const loadNext = (assets, count) => window.setTimeout(() => {
                                if (count > assets.length) {
                                    count = assets.length

                                    if (count === 0) {
                                        return
                                    }
                                }

                                const fragment = new DocumentFragment

                                while (count > 0) {
                                    const link = makeLink(assets.shift())
                                    fragment.append(link)
                                    count--

                                    if (assets.length) {
                                        link.onload = () => loadNext(assets, 1)
                                        link.error = () => loadNext(assets, 1)
                                    }
                                }

                                document.head.append(fragment)
                            })

                            loadNext({$assets}, {$this->prefetchConcurrently})
                        }))
                    </script>
                    HTML),
                'aggressive' => new HtmlString($base.<<<HTML

                    <script>
                         window.addEventListener('load', () => window.setTimeout(() => {
                            const makeLink = (asset) => {
                                const link = document.createElement('link')

                                Object.keys(asset).forEach((attribute) => {
                                    link.setAttribute(attribute, asset[attribute])
                                })

                                return link
                            }

                            const fragment = new DocumentFragment
                            {$assets}.forEach((asset) => fragment.append(makeLink(asset)))
                            document.head.append(fragment)
                         }))
                    </script>
                    HTML),
            }));
    }

    /**
     * Make tag for the given chunk.
     *
     * @param  string  $src
     * @param  string  $url
     * @param  array|null  $chunk
     * @param  array|null  $manifest
     * @return string
     */
    protected function makeTagForChunk($src, $url, $chunk, $manifest)
    {
        if (
            $this->nonce === null
            && $this->integrityKey !== false
            && ! array_key_exists($this->integrityKey, $chunk ?? [])
            && $this->scriptTagAttributesResolvers === []
            && $this->styleTagAttributesResolvers === []) {
            return $this->makeTag($url);
        }

        if ($this->isCssPath($url)) {
            return $this->makeStylesheetTagWithAttributes(
                $url,
                $this->resolveStylesheetTagAttributes($src, $url, $chunk, $manifest)
            );
        }

        return $this->makeScriptTagWithAttributes(
            $url,
            $this->resolveScriptTagAttributes($src, $url, $chunk, $manifest)
        );
    }

    /**
     * Make a preload tag for the given chunk.
     *
     * @param  string  $src
     * @param  string  $url
     * @param  array  $chunk
     * @param  array  $manifest
     * @return string
     */
    protected function makePreloadTagForChunk($src, $url, $chunk, $manifest)
    {
        $attributes = $this->resolvePreloadTagAttributes($src, $url, $chunk, $manifest);

        if ($attributes === false) {
            return '';
        }

        $this->preloadedAssets[$url] = $this->parseAttributes(
            Collection::make($attributes)->forget('href')->all()
        );

        return '<link '.implode(' ', $this->parseAttributes($attributes)).' />';
    }

    /**
     * Resolve the attributes for the chunks generated script tag.
     *
     * @param  string  $src
     * @param  string  $url
     * @param  array|null  $chunk
     * @param  array|null  $manifest
     * @return array
     */
    protected function resolveScriptTagAttributes($src, $url, $chunk, $manifest)
    {
        $attributes = $this->integrityKey !== false
            ? ['integrity' => $chunk[$this->integrityKey] ?? false]
            : [];

        foreach ($this->scriptTagAttributesResolvers as $resolver) {
            $attributes = array_merge($attributes, $resolver($src, $url, $chunk, $manifest));
        }

        return $attributes;
    }

    /**
     * Resolve the attributes for the chunks generated stylesheet tag.
     *
     * @param  string  $src
     * @param  string  $url
     * @param  array|null  $chunk
     * @param  array|null  $manifest
     * @return array
     */
    protected function resolveStylesheetTagAttributes($src, $url, $chunk, $manifest)
    {
        $attributes = $this->integrityKey !== false
            ? ['integrity' => $chunk[$this->integrityKey] ?? false]
            : [];

        foreach ($this->styleTagAttributesResolvers as $resolver) {
            $attributes = array_merge($attributes, $resolver($src, $url, $chunk, $manifest));
        }

        return $attributes;
    }

    /**
     * Resolve the attributes for the chunks generated preload tag.
     *
     * @param  string  $src
     * @param  string  $url
     * @param  array  $chunk
     * @param  array  $manifest
     * @return array|false
     */
    protected function resolvePreloadTagAttributes($src, $url, $chunk, $manifest)
    {
        $attributes = $this->isCssPath($url) ? [
            'rel' => 'preload',
            'as' => 'style',
            'href' => $url,
            'nonce' => $this->nonce ?? false,
            'crossorigin' => $this->resolveStylesheetTagAttributes($src, $url, $chunk, $manifest)['crossorigin'] ?? false,
        ] : [
            'rel' => 'modulepreload',
            'href' => $url,
            'nonce' => $this->nonce ?? false,
            'crossorigin' => $this->resolveScriptTagAttributes($src, $url, $chunk, $manifest)['crossorigin'] ?? false,
        ];

        $attributes = $this->integrityKey !== false
            ? array_merge($attributes, ['integrity' => $chunk[$this->integrityKey] ?? false])
            : $attributes;

        foreach ($this->preloadTagAttributesResolvers as $resolver) {
            if (false === ($resolvedAttributes = $resolver($src, $url, $chunk, $manifest))) {
                return false;
            }

            $attributes = array_merge($attributes, $resolvedAttributes);
        }

        return $attributes;
    }

    /**
     * Generate an appropriate tag for the given URL in HMR mode.
     *
     * @deprecated Will be removed in a future Laravel version.
     *
     * @param  string  $url
     * @return string
     */
    protected function makeTag($url)
    {
        if ($this->isCssPath($url)) {
            return $this->makeStylesheetTag($url);
        }

        return $this->makeScriptTag($url);
    }

    /**
     * Generate a script tag for the given URL.
     *
     * @deprecated Will be removed in a future Laravel version.
     *
     * @param  string  $url
     * @return string
     */
    protected function makeScriptTag($url)
    {
        return $this->makeScriptTagWithAttributes($url, []);
    }

    /**
     * Generate a stylesheet tag for the given URL in HMR mode.
     *
     * @deprecated Will be removed in a future Laravel version.
     *
     * @param  string  $url
     * @return string
     */
    protected function makeStylesheetTag($url)
    {
        return $this->makeStylesheetTagWithAttributes($url, []);
    }

    /**
     * Generate a script tag with attributes for the given URL.
     *
     * @param  string  $url
     * @param  array  $attributes
     * @return string
     */
    protected function makeScriptTagWithAttributes($url, $attributes)
    {
        $attributes = $this->parseAttributes(array_merge([
            'type' => 'module',
            'src' => $url,
            'nonce' => $this->nonce ?? false,
        ], $attributes));

        return '<script '.implode(' ', $attributes).'></script>';
    }

    /**
     * Generate a link tag with attributes for the given URL.
     *
     * @param  string  $url
     * @param  array  $attributes
     * @return string
     */
    protected function makeStylesheetTagWithAttributes($url, $attributes)
    {
        $attributes = $this->parseAttributes(array_merge([
            'rel' => 'stylesheet',
            'href' => $url,
            'nonce' => $this->nonce ?? false,
        ], $attributes));

        return '<link '.implode(' ', $attributes).' />';
    }

    /**
     * Determine whether the given path is a CSS file.
     *
     * @param  string  $path
     * @return bool
     */
    protected function isCssPath($path)
    {
        return preg_match('/\.(css|less|sass|scss|styl|stylus|pcss|postcss)$/', $path) === 1;
    }

    /**
     * Parse the attributes into key="value" strings.
     *
     * @param  array  $attributes
     * @return array
     */
    protected function parseAttributes($attributes)
    {
        return Collection::make($attributes)
            ->reject(fn ($value, $key) => in_array($value, [false, null], true))
            ->flatMap(fn ($value, $key) => $value === true ? [$key] : [$key => $value])
            ->map(fn ($value, $key) => is_int($key) ? $value : $key.'="'.$value.'"')
            ->values()
            ->all();
    }

    /**
     * Generate React refresh runtime script.
     *
     * @return \Illuminate\Support\HtmlString|void
     */
    public function reactRefresh()
    {
        if (! $this->isRunningHot()) {
            return;
        }

        $attributes = $this->parseAttributes([
            'nonce' => $this->cspNonce(),
        ]);

        return new HtmlString(
            sprintf(
                <<<'HTML'
                <script type="module" %s>
                    import RefreshRuntime from '%s'
                    RefreshRuntime.injectIntoGlobalHook(window)
                    window.$RefreshReg$ = () => {}
                    window.$RefreshSig$ = () => (type) => type
                    window.__vite_plugin_react_preamble_installed__ = true
                </script>
                HTML,
                implode(' ', $attributes),
                $this->hotAsset('@react-refresh')
            )
        );
    }

    /**
     * Get the path to a given asset when running in HMR mode.
     *
     * @return string
     */
    protected function hotAsset($asset)
    {
        return rtrim(file_get_contents($this->hotFile())).'/'.$asset;
    }

    /**
     * Get the URL for an asset.
     *
     * @param  string  $asset
     * @param  string|null  $buildDirectory
     * @return string
     */
    public function asset($asset, $buildDirectory = null)
    {
        $buildDirectory ??= $this->buildDirectory;

        if ($this->isRunningHot()) {
            return $this->hotAsset($asset);
        }

        $chunk = $this->chunk($this->manifest($buildDirectory), $asset);

        return $this->assetPath($buildDirectory.'/'.$chunk['file']);
    }

    /**
     * Get the content of a given asset.
     *
     * @param  string  $asset
     * @param  string|null  $buildDirectory
     * @return string
     *
     * @throws \Illuminate\Foundation\ViteException
     */
    public function content($asset, $buildDirectory = null)
    {
        $buildDirectory ??= $this->buildDirectory;

        $chunk = $this->chunk($this->manifest($buildDirectory), $asset);

        $path = public_path($buildDirectory.'/'.$chunk['file']);

        if (! is_file($path) || ! file_exists($path)) {
            throw new ViteException("Unable to locate file from Vite manifest: {$path}.");
        }

        return file_get_contents($path);
    }

    /**
     * Generate an asset path for the application.
     *
     * @param  string  $path
     * @param  bool|null  $secure
     * @return string
     */
    protected function assetPath($path, $secure = null)
    {
        return ($this->assetPathResolver ?? asset(...))($path, $secure);
    }

    /**
     * Get the manifest file for the given build directory.
     *
     * @param  string  $buildDirectory
     * @return array
     *
     * @throws \Illuminate\Foundation\ViteManifestNotFoundException
     */
    protected function manifest($buildDirectory)
    {
        $path = $this->manifestPath($buildDirectory);

        if (! isset(static::$manifests[$path])) {
            if (! is_file($path)) {
                throw new ViteManifestNotFoundException("Vite manifest not found at: $path");
            }

            static::$manifests[$path] = json_decode(file_get_contents($path), true);
        }

        return static::$manifests[$path];
    }

    /**
     * Get the path to the manifest file for the given build directory.
     *
     * @param  string  $buildDirectory
     * @return string
     */
    protected function manifestPath($buildDirectory)
    {
        return public_path($buildDirectory.'/'.$this->manifestFilename);
    }

    /**
     * Get a unique hash representing the current manifest, or null if there is no manifest.
     *
     * @param  string|null  $buildDirectory
     * @return string|null
     */
    public function manifestHash($buildDirectory = null)
    {
        $buildDirectory ??= $this->buildDirectory;

        if ($this->isRunningHot()) {
            return null;
        }

        if (! is_file($path = $this->manifestPath($buildDirectory))) {
            return null;
        }

        return md5_file($path) ?: null;
    }

    /**
     * Get the chunk for the given entry point / asset.
     *
     * @param  array  $manifest
     * @param  string  $file
     * @return array
     *
     * @throws \Illuminate\Foundation\ViteException
     */
    protected function chunk($manifest, $file)
    {
        if (! isset($manifest[$file])) {
            throw new ViteException("Unable to locate file in Vite manifest: {$file}.");
        }

        return $manifest[$file];
    }

    /**
     * Determine if the HMR server is running.
     *
     * @return bool
     */
    public function isRunningHot()
    {
        return is_file($this->hotFile());
    }

    /**
     * Get the Vite tag content as a string of HTML.
     *
     * @return string
     */
    public function toHtml()
    {
        return $this->__invoke($this->entryPoints)->toHtml();
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox