/
FrontendAssets.php
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/
FrontendAssets.php
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<?php
namespace Livewire\Mechanisms\FrontendAssets;
use Livewire\Drawer\Utils;
use Illuminate\Support\Facades\Route;
use Illuminate\Support\Facades\Blade;
use Livewire\Mechanisms\Mechanism;
use function Livewire\on;
class FrontendAssets extends Mechanism
{
public $hasRenderedScripts = false;
public $hasRenderedStyles = false;
public $javaScriptRoute;
public $scriptTagAttributes = [];
public function boot()
{
app($this::class)->setScriptRoute(function ($handle) {
return config('app.debug')
? Route::get('/livewire/livewire.js', $handle)
: Route::get('/livewire/livewire.min.js', $handle);
});
Route::get('/livewire/livewire.min.js.map', [static::class, 'maps']);
Blade::directive('livewireScripts', [static::class, 'livewireScripts']);
Blade::directive('livewireScriptConfig', [static::class, 'livewireScriptConfig']);
Blade::directive('livewireStyles', [static::class, 'livewireStyles']);
app('livewire')->provide(function() {
$this->publishes(
[
__DIR__.'/../../../dist' => public_path('vendor/livewire'),
],
'livewire:assets',
);
});
on('flush-state', function () {
$instance = app(static::class);
$instance->hasRenderedScripts = false;
$instance->hasRenderedStyles = false;
});
}
function useScriptTagAttributes($attributes)
{
$this->scriptTagAttributes = array_merge($this->scriptTagAttributes, $attributes);
}
function setScriptRoute($callback)
{
$route = $callback([self::class, 'returnJavaScriptAsFile']);
$this->javaScriptRoute = $route;
}
public static function livewireScripts($expression)
{
return '{!! \Livewire\Mechanisms\FrontendAssets\FrontendAssets::scripts('.$expression.') !!}';
}
public static function livewireScriptConfig($expression)
{
return '{!! \Livewire\Mechanisms\FrontendAssets\FrontendAssets::scriptConfig('.$expression.') !!}';
}
public static function livewireStyles($expression)
{
return '{!! \Livewire\Mechanisms\FrontendAssets\FrontendAssets::styles('.$expression.') !!}';
}
public function returnJavaScriptAsFile()
{
return Utils::pretendResponseIsFile(
config('app.debug')
? __DIR__.'/../../../dist/livewire.js'
: __DIR__.'/../../../dist/livewire.min.js'
);
}
public function maps()
{
return Utils::pretendResponseIsFile(__DIR__.'/../../../dist/livewire.min.js.map');
}
public static function styles($options = [])
{
app(static::class)->hasRenderedStyles = true;
$nonce = isset($options['nonce']) ? "nonce=\"{$options['nonce']}\" data-livewire-style" : '';
$progressBarColor = config('livewire.navigate.progress_bar_color', '#2299dd');
// Note: the attribute selectors are "doubled" so that they don't get overriden when Tailwind's CDN loads a script tag
// BELOW the one Livewire injects...
$html = <<<HTML
<!-- Livewire Styles -->
<style {$nonce}>
[wire\:loading][wire\:loading], [wire\:loading\.delay][wire\:loading\.delay], [wire\:loading\.inline-block][wire\:loading\.inline-block], [wire\:loading\.inline][wire\:loading\.inline], [wire\:loading\.block][wire\:loading\.block], [wire\:loading\.flex][wire\:loading\.flex], [wire\:loading\.table][wire\:loading\.table], [wire\:loading\.grid][wire\:loading\.grid], [wire\:loading\.inline-flex][wire\:loading\.inline-flex] {
display: none;
}
[wire\:loading\.delay\.none][wire\:loading\.delay\.none], [wire\:loading\.delay\.shortest][wire\:loading\.delay\.shortest], [wire\:loading\.delay\.shorter][wire\:loading\.delay\.shorter], [wire\:loading\.delay\.short][wire\:loading\.delay\.short], [wire\:loading\.delay\.default][wire\:loading\.delay\.default], [wire\:loading\.delay\.long][wire\:loading\.delay\.long], [wire\:loading\.delay\.longer][wire\:loading\.delay\.longer], [wire\:loading\.delay\.longest][wire\:loading\.delay\.longest] {
display: none;
}
[wire\:offline][wire\:offline] {
display: none;
}
[wire\:dirty]:not(textarea):not(input):not(select) {
display: none;
}
:root {
--livewire-progress-bar-color: {$progressBarColor};
}
[x-cloak] {
display: none !important;
}
</style>
HTML;
return static::minify($html);
}
public static function scripts($options = [])
{
app(static::class)->hasRenderedScripts = true;
$debug = config('app.debug');
$scripts = static::js($options);
// HTML Label.
$html = $debug ? ['<!-- Livewire Scripts -->'] : [];
$html[] = $scripts;
return implode("\n", $html);
}
public static function js($options)
{
// Use the default endpoint...
$url = app(static::class)->javaScriptRoute->uri;
// Use the configured one...
$url = config('livewire.asset_url') ?: $url;
// Use the legacy passed in one...
$url = $options['asset_url'] ?? $url;
// Use the new passed in one...
$url = $options['url'] ?? $url;
$url = rtrim($url, '/');
$url = (string) str($url)->when(! str($url)->isUrl(), fn($url) => $url->start('/'));
// Add the build manifest hash to it...
$manifest = json_decode(file_get_contents(__DIR__.'/../../../dist/manifest.json'), true);
$versionHash = $manifest['/livewire.js'];
$url = "{$url}?id={$versionHash}";
$token = app()->has('session.store') ? csrf_token() : '';
$assetWarning = null;
$nonce = isset($options['nonce']) ? "nonce=\"{$options['nonce']}\"" : '';
[$url, $assetWarning] = static::usePublishedAssetsIfAvailable($url, $manifest, $nonce);
$progressBar = config('livewire.navigate.show_progress_bar', true) ? '' : 'data-no-progress-bar';
$updateUri = app('livewire')->getUpdateUri();
$extraAttributes = Utils::stringifyHtmlAttributes(
app(static::class)->scriptTagAttributes,
);
return <<<HTML
{$assetWarning}<script src="{$url}" {$nonce} {$progressBar} data-csrf="{$token}" data-update-uri="{$updateUri}" {$extraAttributes}></script>
HTML;
}
public static function scriptConfig($options = [])
{
app(static::class)->hasRenderedScripts = true;
$nonce = isset($options['nonce']) ? " nonce=\"{$options['nonce']}\"" : '';
$progressBar = config('livewire.navigate.show_progress_bar', true) ? '' : 'data-no-progress-bar';
$attributes = json_encode([
'csrf' => app()->has('session.store') ? csrf_token() : '',
'uri' => app('livewire')->getUpdateUri(),
'progressBar' => $progressBar,
'nonce' => isset($options['nonce']) ? $options['nonce'] : '',
]);
return <<<HTML
<script{$nonce} data-navigate-once="true">window.livewireScriptConfig = {$attributes};</script>
HTML;
}
protected static function usePublishedAssetsIfAvailable($url, $manifest, $nonce)
{
$assetWarning = null;
// Check to see if static assets have been published...
if (! file_exists(public_path('vendor/livewire/manifest.json'))) {
return [$url, $assetWarning];
}
$publishedManifest = json_decode(file_get_contents(public_path('vendor/livewire/manifest.json')), true);
$versionedFileName = $publishedManifest['/livewire.js'];
$fileName = config('app.debug') ? '/livewire.js' : '/livewire.min.js';
$versionedFileName = "{$fileName}?id={$versionedFileName}";
$assertUrl = config('livewire.asset_url') ?? url("vendor/livewire{$versionedFileName}");
$url = $assertUrl;
if ($manifest !== $publishedManifest) {
$assetWarning = <<<HTML
<script {$nonce}>
console.warn('Livewire: The published Livewire assets are out of date\\n See: https://livewire.laravel.com/docs/installation#publishing-livewires-frontend-assets')
</script>\n
HTML;
}
return [$url, $assetWarning];
}
protected static function minify($subject)
{
return preg_replace('~(\v|\t|\s{2,})~m', '', $subject);
}
}