Viewing file:  LivewireBladeDirectives.php (6.13 KB) -rw-r--r--
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<?php
namespace Livewire;
use Illuminate\Support\Str;
class LivewireBladeDirectives
{
public static function this()
{
return "window.livewire.find('{{ \$_instance->id }}')";
}
public static function entangle($expression)
{
return <<<EOT
<?php if ((object) ({$expression}) instanceof \Livewire\WireDirective) : ?>window.Livewire.find('{{ \$_instance->id }}').entangle('{{ {$expression}->value() }}'){{ {$expression}->hasModifier('defer') ? '.defer' : '' }}<?php else : ?>window.Livewire.find('{{ \$_instance->id }}').entangle('{{ {$expression} }}')<?php endif; ?>
EOT;
}
public static function js($expression)
{
return <<<EOT
<?php
if (is_object({$expression}) || is_array({$expression})) {
echo "JSON.parse(atob('".base64_encode(json_encode({$expression}))."'))";
} elseif (is_string({$expression})) {
echo "'".str_replace("'", "\'", {$expression})."'";
} else {
echo json_encode({$expression});
}
?>
EOT;
}
public static function livewireStyles($expression)
{
return '{!! \Livewire\Livewire::styles('.$expression.') !!}';
}
public static function livewireScripts($expression)
{
return '{!! \Livewire\Livewire::scripts('.$expression.') !!}';
}
public static function livewire($expression)
{
$cachedKey = "'" . Str::random(7) . "'";
// If we are inside a Livewire component, we know we're rendering a child.
// Therefore, we must create a more deterministic view cache key so that
// Livewire children are properly tracked across load balancers.
if (LivewireManager::$currentCompilingViewPath !== null) {
// $cachedKey = '[hash of Blade view path]-[current @livewire directive count]'
$cachedKey = "'l" . crc32(LivewireManager::$currentCompilingViewPath) . "-" . LivewireManager::$currentCompilingChildCounter . "'";
// We'll increment count, so each cache key inside a compiled view is unique.
LivewireManager::$currentCompilingChildCounter++;
}
$pattern = "/,\s*?key\(([\s\S]*)\)/"; //everything between ",key(" and ")"
$expression = preg_replace_callback($pattern, function ($match) use (&$cachedKey) {
$cachedKey = trim($match[1]) ?: $cachedKey;
return "";
}, $expression);
return <<<EOT
<?php
if (! isset(\$_instance)) {
\$html = \Livewire\Livewire::mount({$expression})->html();
} elseif (\$_instance->childHasBeenRendered($cachedKey)) {
\$componentId = \$_instance->getRenderedChildComponentId($cachedKey);
\$componentTag = \$_instance->getRenderedChildComponentTagName($cachedKey);
\$html = \Livewire\Livewire::dummyMount(\$componentId, \$componentTag);
\$_instance->preserveRenderedChild($cachedKey);
} else {
\$response = \Livewire\Livewire::mount({$expression});
\$html = \$response->html();
\$_instance->logRenderedChild($cachedKey, \$response->id(), \Livewire\Livewire::getRootElementTagName(\$html));
}
echo \$html;
?>
EOT;
}
public static function stack($name, $default = '') {
$expression = rtrim("{$name}, {$default}", ', ');
return "
<template livewire-stack=\"<?php echo {$name}; ?>\"></template>
<?php echo \$__env->yieldPushContent($expression); ?>
<template livewire-end-stack=\"<?php echo {$name}; ?>\"></template>
";
}
public static function once($id = null) {
$id = $id ?: "'".(string) Str::uuid()."'";
return "<?php
if (isset(\$_instance)) \$__stack_once = true;
if (! \$__env->hasRenderedOnce({$id})): \$__env->markAsRenderedOnce({$id});
?>";
}
public static function endonce() {
return "<?php
endif;
if (isset(\$_instance) && isset(\$__stack_once)) unset(\$__stack_once);
?>";
}
public static function push($name, $content = '') {
$randomKey = Str::random(9);
$expression = rtrim("{$name}, {$content}", ', ');
return "<?php
if (isset(\$_instance)) {
\$__stack_item_key = isset(\$__stack_once) ? crc32(\$__path) : '{$randomKey}';
\$__env->startPush({$expression});
\$__stack_name = {$name};
ob_start();
echo '<template livewire-stack-key=\"'.\$__stack_item_key.'\"></template>';
} else {
\$__env->startPush({$expression});
}
?>";
}
public static function prepend($name, $content = '') {
$randomKey = Str::random(9);
$expression = rtrim("{$name}, {$content}", ', ');
return "<?php
if (isset(\$_instance)) {
\$__stack_item_key = isset(\$__stack_once) ? crc32(\$__path) : '{$randomKey}';
\$__env->startPrepend({$expression});
\$__stack_name = {$name};
ob_start();
echo '<template livewire-stack-key=\"'.\$__stack_item_key.'\"></template>';
} else {
\$__env->startPrepend({$expression});
}
?>";
}
public static function endpush() {
return "<?php
if (isset(\$_instance)) {
\$__contents = ob_get_clean();
\$_instance->addToStack(\$__stack_name, 'push', \$__contents, \$__stack_item_key);
echo \$__contents;
unset(\$__contents);
unset(\$__stack_item_key);
unset(\$__stack_name);
\$__env->stopPush();
} else {
\$__env->stopPush();
}
?>";
}
public static function endprepend() {
return "<?php
if (isset(\$_instance)) {
\$__contents = ob_get_clean();
\$_instance->addToStack(\$__stack_name, 'prepend', \$__contents, \$__stack_item_key);
echo \$__contents;
unset(\$__contents);
unset(\$__stack_item_key);
unset(\$__stack_name);
\$__env->stopPrepend();
} else {
\$__env->stopPrepend();
}
?>";
}
}
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