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authorsterni <sternenseemann@systemli.org>2021-01-14T01·07+0100
committersterni <sternenseemann@systemli.org>2021-01-25T21·02+0000
commit82e07fc046cff2151f9d18a003c6331202d58c8b (patch)
treec528dde5bed5899aa53fbc7bba761bf8abb23969 /web/panettone/src/panettone.lisp
parent7e408c874ac9b84f62bd48a3a6f2b57bae866d29 (diff)
feat(panettone): render a subset of markdown in issue subjects r/2144
This is achieved by implementing a simple markdown renderer in CL which
has the following limitations:

* Only supports inline `code`, *emphasize 1*, _emphasize 2_ and
  ~~strikethrough~~.
* Does not support nested markup.

This allows for a relatively simple renderer which doesn't need to parse
markdown into a in-memory data structure first. The rendered result is
directly written to a stream to integrate well with cl-who which is also
reused for rendering tags and xml-escaping strings.

Fixes #90.

Change-Id: Ice88ed770b1fab6365f3b93e8663e25077befa0b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2389
Tested-by: BuildkiteCI
Reviewed-by: glittershark <grfn@gws.fyi>
Reviewed-by: tazjin <mail@tazj.in>
Diffstat (limited to 'web/panettone/src/panettone.lisp')
-rw-r--r--web/panettone/src/panettone.lisp4
1 files changed, 2 insertions, 2 deletions
diff --git a/web/panettone/src/panettone.lisp b/web/panettone/src/panettone.lisp
index aaf58bd191..e090f11acf 100644
--- a/web/panettone/src/panettone.lisp
+++ b/web/panettone/src/panettone.lisp
@@ -192,7 +192,7 @@
            (:a :href (format nil "/issues/~A" issue-id)
                (:p
                 (:span :class "issue-subject"
-                       (who:esc (subject issue))))
+                       (render-inline-markdown (subject issue))))
                (:span :class "issue-number"
                       (who:esc (format nil "#~A" issue-id)))
                " - "
@@ -329,7 +329,7 @@
         (issue-status (status issue)))
     (render ()
       (:header
-       (:h1 (who:esc (subject issue)))
+       (:h1 (render-inline-markdown (subject issue)))
        (:div :class "issue-number"
              (who:esc (format nil "#~A" issue-id))))
       (:main