strict fixes

Author: dg

src/Tracy/Bar.php

@@ -145,8 +145,8 @@ private function renderPanels(string $suffix = null): array
 		foreach ($this->panels as $id => $panel) {
 			$idHtml = preg_replace('#[^a-z0-9]+#i', '-', $id) . $suffix;
 			try {
-				$tab = (string) $panel->getTab();
-				$panelHtml = $tab ? (string) $panel->getPanel() : null;
+				$tab = $panel->getTab();
+				$panelHtml = $tab ? $panel->getPanel() : null;
 				if ($tab && $panel instanceof \Nette\Diagnostics\IBarPanel) {
 					$e = new \Exception('Support for Nette\Diagnostics\IBarPanel is deprecated');
 				}

src/Tracy/Dumper.php

@@ -231,7 +231,7 @@ private static function dumpObject(&$var, array $options, int $level): string
 		$editorAttributes = '';
 		if ($options[self::LOCATION] & self::LOCATION_CLASS) {
 			$rc = $var instanceof \Closure ? new \ReflectionFunction($var) : new \ReflectionClass($var);
-			$editor = Helpers::editorUri($rc->getFileName(), $rc->getStartLine());
+			$editor = $rc->getFileName() ? Helpers::editorUri($rc->getFileName(), $rc->getStartLine()) : null;
 			if ($editor) {
 				$editorAttributes = Helpers::formatHtml(
 					' title="Declared in file % on line %" data-tracy-href="%"',
@@ -340,7 +340,7 @@ private static function toJson(&$var, array $options, int $level = 0)
 			$editorInfo = null;
 			if ($options[self::LOCATION] & self::LOCATION_CLASS) {
 				$rc = $var instanceof \Closure ? new \ReflectionFunction($var) : new \ReflectionClass($var);
-				$editor = Helpers::editorUri($rc->getFileName(), $rc->getStartLine());
+				$editor = $rc->getFileName() ? Helpers::editorUri($rc->getFileName(), $rc->getStartLine()) : null;
 				$editorInfo = $editor ? ['file' => $rc->getFileName(), 'line' => $rc->getStartLine(), 'url' => $editor] : null;
 			}
 			static $counter = 1;

src/Tracy/Helpers.php

@@ -50,7 +50,7 @@ public static function editorUri(string $file, int $line = null, string $action
 			return strtr(Debugger::$editor, [
 				'%action' => $action,
 				'%file' => rawurlencode($file),
-				'%line' => $line ? (int) $line : 1,
+				'%line' => $line ?: 1,
 				'%search' => rawurlencode($search),
 				'%replace' => rawurlencode($replace),
 			]);

src/Tracy/assets/Bar/errors.panel.phtml

@@ -17,7 +17,7 @@ namespace Tracy;
 <?php foreach ($data as $item => $count): list($file, $line, $message) = explode('|', $item, 3) ?>
 <tr>
 	<td class="tracy-right"><?= $count ? "$count\xC3\x97" : '' ?></td>
-	<td><pre><?= Helpers::escapeHtml($message), ' in ', Helpers::editorLink($file, $line) ?></pre></td>
+	<td><pre><?= Helpers::escapeHtml($message), ' in ', Helpers::editorLink($file, (int) $line) ?></pre></td>
 </tr>
 <?php endforeach ?>
 </table>

src/Tracy/assets/Bar/info.panel.phtml

@@ -48,7 +48,7 @@ $info = array_map('strval', array_filter($info + (array) $this->data));
 $packages = $devPackages = [];
 if (class_exists('Composer\Autoload\ClassLoader', false)) {
 	$lockFile = dirname((new \ReflectionClass('Composer\Autoload\ClassLoader'))->getFileName()) . '/../../composer.lock';
-	$composer = @json_decode(file_get_contents($lockFile)); // @ may not exist or be valid
+	$composer = @json_decode((string) file_get_contents($lockFile)); // @ may not exist or be valid
 	list($packages, $devPackages) = [(array) @$composer->packages, (array) @$composer->{'packages-dev'}]; // @ keys may not exist
 	$tmp = [&$packages, &$devPackages];
 	foreach ($tmp as &$items) {