File size: 1,152 Bytes
fc93158 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | export function extractTextFromChatContent(
content: unknown,
opts?: {
sanitizeText?: (text: string) => string;
joinWith?: string;
normalizeText?: (text: string) => string;
},
): string | null {
const normalize = opts?.normalizeText ?? ((text: string) => text.replace(/\s+/g, " ").trim());
const joinWith = opts?.joinWith ?? " ";
if (typeof content === "string") {
const value = opts?.sanitizeText ? opts.sanitizeText(content) : content;
const normalized = normalize(value);
return normalized ? normalized : null;
}
if (!Array.isArray(content)) {
return null;
}
const chunks: string[] = [];
for (const block of content) {
if (!block || typeof block !== "object") {
continue;
}
if ((block as { type?: unknown }).type !== "text") {
continue;
}
const text = (block as { text?: unknown }).text;
if (typeof text !== "string") {
continue;
}
const value = opts?.sanitizeText ? opts.sanitizeText(text) : text;
if (value.trim()) {
chunks.push(value);
}
}
const joined = normalize(chunks.join(joinWith));
return joined ? joined : null;
}
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