Frederik Spirgi
18 lines
1.1 KiB
JavaScript
18 lines
1.1 KiB
JavaScript
export function titleFromFirstMessage(message) {
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const firstLine = String(message || "").split(/\r?\n/).find(line => line.trim()) || "";
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let subject = firstLine.replace(/^\s*(?:[-*#]+\s*)?/, "").replace(/\s+/g, " ").trim();
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subject = subject.replace(/^(?:can|could|would) you (?:please )?(?:help me )?/i, "")
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.replace(/^(?:please )?(?:help me (?:with |understand )?|tell me about |explain |describe |summarize |compare |write about |create |make )/i, "")
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.replace(/^what (?:is|are|was|were) (?:the |a |an )?/i, "")
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.replace(/^how (?:do|does|can) (?:i|we) /i, "")
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.replace(/^[\s:,-]+|[\s.!?,;:]+$/g, "");
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const sentence = subject.split(/(?<=[.!?])\s+/)[0].replace(/[.!?]$/, "");
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if (sentence) subject = sentence;
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if (subject.length > 68) {
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const words = subject.slice(0, 69).split(" ");
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subject = words.length > 1 ? words.slice(0, -1).join(" ") : subject.slice(0, 68);
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}
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subject = subject.replace(/[\s,;:.-]+$/g, "");
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return subject ? subject[0].toLocaleUpperCase() + subject.slice(1) : "New chat";
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}
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