fix null safety issue for 4.1

fredemmott · fredemmott · commit 0f8f3aef17eb · 2019-04-22T13:08:37.000-07:00
diff --git a/src/MarkdownExt/SyntaxHighlightingFilter.hack b/src/MarkdownExt/SyntaxHighlightingFilter.hack
@@ -44,7 +44,7 @@ final class SyntaxHighlightingFilter extends Markdown\RenderFilter {
     }
 
     $info = $node->getInfoString();
-    if (!C\contains_key(self::KEYWORDS, $info)) {
+    if ($info is null || (!C\contains_key(self::KEYWORDS, $info))) {
       return vec[$node];
     }
 

Original file line number	Diff line number	Diff line change
`@@ -44,7 +44,7 @@ final class SyntaxHighlightingFilter extends Markdown\RenderFilter {`
`44`	`44`	`}`
`45`	`45`
`46`	`46`	`$info = $node->getInfoString();`
`47`		`- if (!C\contains_key(self::KEYWORDS, $info)) {`
	`47`	`+ if ($info is null \|\| (!C\contains_key(self::KEYWORDS, $info))) {`
`48`	`48`	`return vec[$node];`
`49`	`49`	`}`
`50`	`50`