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Ensure chatbot messages are visible to screenreaders (#8631)

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* fix aria label for message.type

* add changeset

* tweak

* improve aria-label for files

* copy tweak

---------

Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
This commit is contained in:
Hannah 2024-06-28 17:03:44 +01:00 committed by GitHub
parent 4b6c8b1c00
commit 9b8840ab5f
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2 changed files with 24 additions and 11 deletions
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6
.changeset/great-insects-see.md Normal file
View File

@ -0,0 +1,6 @@
---
"@gradio/chatbot": patch
"gradio": patch
---
fix:Ensure chatbot messages are visible to screenreaders

29
js/chatbot/shared/ChatBot.svelte
View File

@ -196,6 +196,23 @@
liked: selected === "like"
});
}
function get_message_label_data(message: NormalisedMessage): string {
if (message.type === "text") {
return message.value;
} else if (message.type === "component") {
return `a component of type ${message.component}`;
} else if (message.type === "file") {
if (Array.isArray(message.file)) {
return `file of extension type: ${message.file[0].orig_name?.split(".").pop()}`;
}
return (
`file of extension type: ${message.file?.orig_name?.split(".").pop()}` +
(message.file?.orig_name ?? "")
);
}
return `a message of type ` + message.type ?? "unknown";
}
</script>
{#if show_share_button && value !== null && value.length > 0}
@ -288,17 +305,7 @@
dir={rtl ? "rtl" : "ltr"}
aria-label={(j == 0 ? "user" : "bot") +
"'s message: " +
(typeof message === "string"
? message
: "file" in message &&
message.file !== undefined &&
!Array.isArray(message.file)
? `a file of type ${message.file?.mime_type}, ${
message.file?.alt_text ??
message.file?.orig_name ??
""
}`
: "")}
get_message_label_data(message)}
>
{#if message.type === "text"}
<Markdown