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[WCP]alt attribute for img tag #9404

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merged 2 commits into from
Feb 28, 2023
Merged

[WCP]alt attribute for img tag #9404

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2ce3229
add image alter
lyndaidaii Feb 24, 2023
7667867
update reg and alter text
lyndaidaii Feb 24, 2023
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7 changes: 5 additions & 2 deletions src/NuGetGallery/Services/MarkdownService.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ public class MarkdownService : IMarkdownService
private static readonly Regex EncodedBlockQuotePattern = new Regex("^ {0,3}>", RegexOptions.Multiline, RegexTimeout);
private static readonly Regex LinkPattern = new Regex("<a href=([\"\']).*?\\1", RegexOptions.None, RegexTimeout);
private static readonly Regex HtmlCommentPattern = new Regex("<!--.*?-->", RegexOptions.Singleline, RegexTimeout);
private static readonly Regex ImageTextPattern = new Regex("!\\[\\]", RegexOptions.Singleline, RegexTimeout);
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private readonly IFeatureFlagService _features;
private readonly IImageDomainValidator _imageDomainValidator;
Expand Down Expand Up @@ -198,7 +199,9 @@ private RenderedMarkdownResult GetHtmlFromMarkdownMarkdig(string markdownString,

var markdownWithoutComments = HtmlCommentPattern.Replace(markdownString, "");

var markdownWithoutBom = markdownWithoutComments.TrimStart('\ufeff');
var markdownWithImageAlt = ImageTextPattern.Replace(markdownWithoutComments, "![image]");
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var markdownWithoutBom = markdownWithImageAlt.TrimStart('\ufeff');

var pipeline = new MarkdownPipelineBuilder()
.UseGridTables()
Expand Down Expand Up @@ -284,8 +287,8 @@ private RenderedMarkdownResult GetHtmlFromMarkdownMarkdig(string markdownString,

renderer.Render(document);
output.Content = htmlWriter.ToString().Trim();

output.IsMarkdigMdSyntaxHighlightEnabled = _features.IsMarkdigMdSyntaxHighlightEnabled();

return output;
}
}
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2 changes: 2 additions & 0 deletions tests/NuGetGallery.Facts/Services/MarkdownServiceFacts.cs
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Expand Up @@ -103,6 +103,8 @@ public void EncodesHtmlInMarkdownWithAdaptiveHeader(string originalMd, string ex
[InlineData("![image](https://www.asp.net/fake.jpg)", "<p><img src=\"https://www.asp.net/fake.jpg\" alt=\"image\" /></p>", false, false)]
[InlineData("![image](http://www.otherurl.net/fake.jpg)", "<p><img src=\"https://www.otherurl.net/fake.jpg\" class=\"img-fluid\" alt=\"image\" /></p>", true, true)]
[InlineData("![image](http://www.otherurl.net/fake.jpg)", "<p><img src=\"https://www.otherurl.net/fake.jpg\" alt=\"image\" /></p>", true, false)]
[InlineData("![](http://www.otherurl.net/fake.jpg)", "<p><img src=\"https://www.otherurl.net/fake.jpg\" alt=\"\" /></p>", true, false)]
[InlineData("![](http://www.otherurl.net/fake.jpg)", "<p><img src=\"https://www.otherurl.net/fake.jpg\" class=\"img-fluid\" alt=\"image\" /></p>", true, true)]
[InlineData("## License\n\tLicensed under the Apache License, Version 2.0 (the \"License\");", "<h3 id=\"license\">License</h3>\n<pre><code>Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);\n</code></pre>", false, true)]
[InlineData("## License\n\tLicensed under the Apache License, Version 2.0 (the \"License\");", "<h3 id=\"license\">License</h3>\n<pre><code>Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);\n</code></pre>", false, true)]
public void ConvertsMarkdownToHtml(string originalMd, string expectedHtml, bool imageRewriteExpected, bool isMarkdigMdRenderingEnabled)
Expand Down