Add single tilde support to StrikethroughSyntax (dart-archive/markdown#595)

chenzhiguang · web-flow · commit e6ea336044ce · 2024-03-08T07:31:44.000-08:00
diff --git a/pkgs/markdown/lib/src/inline_syntaxes/strikethrough_syntax.dart b/pkgs/markdown/lib/src/inline_syntaxes/strikethrough_syntax.dart
@@ -13,6 +13,6 @@ class StrikethroughSyntax extends DelimiterSyntax {
           requiresDelimiterRun: true,
           allowIntraWord: true,
           startCharacter: $tilde,
-          tags: [DelimiterTag('del', 2)],
+          tags: [DelimiterTag('del', 1), DelimiterTag('del', 2)],
         );
 }
diff --git a/pkgs/markdown/test/gfm/strikethrough_extension.unit b/pkgs/markdown/test/gfm/strikethrough_extension.unit
@@ -9,3 +9,11 @@ new paragraph~~.
 <<<
 <p>This ~~has a</p>
 <p>new paragraph~~.</p>
+>>> single tilde
+~Hi~ there.
+<<<
+<p><del>Hi</del> there.</p>
+>>> single tilde with double tilde
+~Hi~~ there.
+<<<
+<p><del>Hi</del>~ there.</p>

Original file line number	Diff line number	Diff line change
`@@ -13,6 +13,6 @@ class StrikethroughSyntax extends DelimiterSyntax {`
`13`	`13`	`requiresDelimiterRun: true,`
`14`	`14`	`allowIntraWord: true,`
`15`	`15`	`startCharacter: $tilde,`
`16`		`- tags: [DelimiterTag('del', 2)],`
	`16`	`+ tags: [DelimiterTag('del', 1), DelimiterTag('del', 2)],`
`17`	`17`	`);`
`18`	`18`	`}`