- Dump middleware

This commit is contained in:
Dave Mc Nicoll 2020-10-14 14:33:26 -04:00
commit 6d1d15421d
4 changed files with 167 additions and 0 deletions

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LICENSE Normal file
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# The MIT License
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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composer.json Normal file
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{
"name": "mcnd/dump",
"description": "A simple dump function which ease debugging quielty even on production server.",
"keywords": ["dump","var_dump","dev","debug","psr15","middleware"],
"license": "MIT",
"authors": [
{
"name": "Dave Mc Nicoll",
"email": "info@mcnd.ca"
}
],
"autoload": {
"psr-4": {
"Dump\\": "src/"
}
}
}

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src/Dump.php Normal file
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<?php declare(strict_types=1);
namespace Dump;
class Dump {
/**
* Latest stack trace found from the debugger
* @var
*/
protected $trace = null;
/**
* @var mixed
*/
protected $content = null;
public function __construct(...$content) {
$this->trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3)[2] ?? [
"line" => -1,
"file" => "unknown",
];
$this->content = $content;
}
public function renderArray() {
return [
'content' => $this->content,
'file' => $this->trace['file'],
'line' => $this->trace['line'],
];
}
public function renderHtml() {
$data = $this->getDumpContent();
return <<<HTML
<pre style='-webkit-overflow-scrolling: touch;background-color: #f5f5f5;color: #4a4a4a;font-size: 12px;line-height:18px;overflow-x: auto;padding: 0.5rem 1.5rem;word-wrap: normal;white-space: pre;margin:0.33rem 0;'>
<div style='color:#9f9f9f;font-size:10px;' title='{$this->trace['file']}'>[ file: {$this->trace['file']}:{$this->trace['line']} ]</div>
$data
</pre>
HTML;
}
protected function getDumpContent() {
ob_start();
var_dump(...($this->content !== [] ? $this->content : [null]));
return ob_get_clean();
}
}

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src/DumpMiddleware.php Normal file
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<?php declare(strict_types=1);
namespace Dump {
use Psr\Http\Server\MiddlewareInterface,
Psr\Http\Message\ServerRequestInterface,
Psr\Http\Server\RequestHandlerInterface,
Psr\Http\Message\ResponseInterface;
use Laminas\Diactoros\Response,
Laminas\Diactoros\Stream,
Laminas\Diactoros\Response\JsonResponse,
Laminas\Diactoros\Response\HtmlResponse;
use function stream_copy_to_stream;
class DumpMiddleware implements MiddlewareInterface
{
/**
* @var [class]
*/
protected static $dump_stack = [];
/**
* Processing the dump stack accumulated in the request
* @param ServerRequestInterface $request
* @param RequestHandlerInterface $handler
* @return ResponseInterface
*/
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface
{
$response = $handler->handle($request);
if ( empty(static::$dump_stack) ) {
return $response;
}
$stream = new class("php://memory", "rw") extends Stream {
public function append_resource($resource) {
stream_copy_to_stream($resource, $this->resource);
}
};
switch (true) {
case $response instanceof HtmlResponse:
$body = $response->getBody();
foreach(static::$dump_stack as $item) {
$stream->write($item->renderHtml());
}
$stream->append_resource($body->detach());
break;
case $response instanceof JsonResponse:
foreach(static::$dump_stack as $item) {
$dump[] = $item->renderArray();
}
$stream->write(json_encode(array_merge([ "_dump" => $dump ?? [] ], json_decode($response->getBody()->getContents() ?? "{}", true)), JsonResponse::DEFAULT_JSON_FLAGS));
break;
}
return $response->withBody($stream);
}
public static function dump(...$what)
{
static::$dump_stack[] = $dump = new Dump(...$what);
return $dump;
}
}
}
namespace {
if (! function_exists('dump') ) {
function dump(...$what) {
return \CSLSJ\Dump\DumpMiddleware::dump(...$what);
}
}
}