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import { useMemo } from "react";
const Chunk = ({ chunk, currentTime, onClick, ...props }) => {
const { text, timestamp } = chunk;
const [start, end] = timestamp;
const bolded = start <= currentTime && currentTime < end;
return (
<span {...props}>
{text.startsWith(" ") ? " " : ""}
<span
onClick={onClick}
className="text-md text-gray-600 dark:text-gray-300 cursor-pointer hover:text-red-600"
title={timestamp.map((x) => x.toFixed(2)).join(" → ")}
style={{
textDecoration: bolded ? "underline" : "none",
textShadow: bolded ? "0 0 1px #000" : "none",
}}
>
{text.trim()}
</span>
</span>
);
};
const Transcript = ({ transcript, currentTime, setCurrentTime, ...props }) => {
const jsonTranscript = useMemo(() => {
return (
JSON.stringify(transcript, null, 2)
// post-process the JSON to make it more readable
.replace(/( {4}"timestamp": )\[\s+(\S+)\s+(\S+)\s+\]/gm, "$1[$2 $3]")
);
}, [transcript]);
const downloadTranscript = () => {
const blob = new Blob([jsonTranscript], { type: "application/json" });
const url = URL.createObjectURL(blob);
const a = document.createElement("a");
a.href = url;
a.download = "transcript.json";
a.click();
URL.revokeObjectURL(url);
};
return (
<>
<div {...props}>
{transcript.chunks.map((chunk, i) => (
<Chunk
key={i}
chunk={chunk}
currentTime={currentTime}
onClick={(e) => {
setCurrentTime(chunk.timestamp[0]); // Set to start of chunk
}}
/>
))}
</div>
<div className="flex justify-center border-t text-sm text-gray-600 max-h-[150px] overflow-y-auto p-2 scrollbar-thin">
<button
className="flex items-center border px-2 py-1 rounded-lg bg-green-400 text-white hover:bg-green-500 cursor-pointer"
onClick={downloadTranscript}
>
<svg
xmlns="http://www.w3.org/2000/svg"
fill="none"
viewBox="0 0 24 24"
strokeWidth={1.5}
stroke="currentColor"
className="size-6 mr-1"
>
<path
strokeLinecap="round"
strokeLinejoin="round"
d="M3 16.5v2.25A2.25 2.25 0 0 0 5.25 21h13.5A2.25 2.25 0 0 0 21 18.75V16.5M16.5 12 12 16.5m0 0L7.5 12m4.5 4.5V3"
/>
</svg>
Download transcript
</button>
</div>
</>
);
};
export default Transcript;
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