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Add bootstrap alert renderer #782

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merged 2 commits into from
Mar 18, 2024
Merged

Add bootstrap alert renderer #782

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7132584
Add bootstrap alert renderer
Abrynos Mar 15, 2024
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Abrynos Mar 18, 2024
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38 changes: 37 additions & 1 deletion src/Markdig/Extensions/Bootstrap/BootstrapExtension.cs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,9 @@
// Copyright (c) Alexandre Mutel. All rights reserved.
// This file is licensed under the BSD-Clause 2 license.
// This file is licensed under the BSD-Clause 2 license.
// See the license.txt file in the project root for more information.

using System.Linq;
using Markdig.Extensions.Alerts;
using Markdig.Renderers;
using Markdig.Renderers.Html;
using Markdig.Syntax;
Expand All @@ -24,6 +26,17 @@ public void Setup(MarkdownPipelineBuilder pipeline)

public void Setup(MarkdownPipeline pipeline, IMarkdownRenderer renderer)
{
if (renderer is HtmlRenderer htmlRenderer)
{
var alertRenderer = htmlRenderer.ObjectRenderers.OfType<AlertBlockRenderer>().FirstOrDefault();
if (alertRenderer == null)
{
alertRenderer = new AlertBlockRenderer();
renderer.ObjectRenderers.InsertBefore<QuoteBlockRenderer>(new AlertBlockRenderer());
}

alertRenderer.RenderKind = (_, _) => { };
}
}

private static void PipelineOnDocumentProcessed(MarkdownDocument document)
Expand All @@ -43,6 +56,29 @@ private static void PipelineOnDocumentProcessed(MarkdownDocument document)
{
node.GetAttributes().AddClass("table");
}
else if (node is AlertBlock alertBlock) // Needs to be before QuoteBlock
{
var attributes = node.GetAttributes();
attributes.AddClass("alert");
attributes.AddProperty("role", "alert");
string? @class = alertBlock.Kind.AsSpan() switch
{
"NOTE" => "alert-primary",
"TIP" => "alert-success",
"IMPORTANT" => "alert-info",
"WARNING" => "alert-warning",
"CAUTION" => "alert-danger",
_ => null,
};

if (@class is not null)
{
attributes.AddClass(@class);
}

var lastParagraph = alertBlock.Descendants().OfType<ParagraphBlock>().LastOrDefault();
lastParagraph?.GetAttributes().AddClass("mb-0");
}
else if (node is QuoteBlock)
{
node.GetAttributes().AddClass("blockquote");
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