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twitter card: handle case where image has no alt text

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faried nawaz 2023-05-18 03:20:44 +05:00
parent a1af122499
commit 8b390d27dc
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1 changed files with 3 additions and 2 deletions
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lib/pleroma/web/metadata/providers/twitter_card.ex
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@ -79,8 +79,7 @@ defp build_attachments(id, %{data: %{"attachment" => attachments}}) do
name: "twitter:image", name: "twitter:image",
content: MediaProxy.url(url["href"]) content: MediaProxy.url(url["href"])
], []}, ], []},
{:meta, [property: "twitter:image:alt", content: truncate(attachment["name"])], {:meta, [name: "twitter:image:alt", content: truncate(attachment["name"])], []}
[]}
| acc | acc
] ]
|> maybe_add_dimensions(url) |> maybe_add_dimensions(url)
@ -133,6 +132,8 @@ defp maybe_add_dimensions(metadata, url) do
end end
end end
defp truncate(nil), do: ""
defp truncate(text) do defp truncate(text) do
# truncate to 420 characters # truncate to 420 characters
# see https://developer.twitter.com/en/docs/twitter-for-websites/cards/overview/markup # see https://developer.twitter.com/en/docs/twitter-for-websites/cards/overview/markup