56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
import { stripHeartbeatToken } from "../heartbeat.js";
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import {
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HEARTBEAT_TOKEN,
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isSilentReplyText,
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SILENT_REPLY_TOKEN,
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} from "../tokens.js";
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import type { ReplyPayload } from "../types.js";
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export type NormalizeReplyOptions = {
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responsePrefix?: string;
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onHeartbeatStrip?: () => void;
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stripHeartbeat?: boolean;
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silentToken?: string;
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};
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export function normalizeReplyPayload(
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payload: ReplyPayload,
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opts: NormalizeReplyOptions = {},
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): ReplyPayload | null {
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const hasMedia = Boolean(
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payload.mediaUrl || (payload.mediaUrls?.length ?? 0) > 0,
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);
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const trimmed = payload.text?.trim() ?? "";
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if (!trimmed && !hasMedia) return null;
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const silentToken = opts.silentToken ?? SILENT_REPLY_TOKEN;
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let text = payload.text ?? undefined;
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if (text && isSilentReplyText(text, silentToken)) {
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if (!hasMedia) return null;
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text = "";
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}
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if (text && !trimmed) {
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// Keep empty text when media exists so media-only replies still send.
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text = "";
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}
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const shouldStripHeartbeat = opts.stripHeartbeat ?? true;
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if (shouldStripHeartbeat && text?.includes(HEARTBEAT_TOKEN)) {
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const stripped = stripHeartbeatToken(text, { mode: "message" });
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if (stripped.didStrip) opts.onHeartbeatStrip?.();
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if (stripped.shouldSkip && !hasMedia) return null;
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text = stripped.text;
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}
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if (
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opts.responsePrefix &&
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text &&
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text.trim() !== HEARTBEAT_TOKEN &&
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!text.startsWith(opts.responsePrefix)
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) {
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text = `${opts.responsePrefix} ${text}`;
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}
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return { ...payload, text };
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}
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