Jesse_ChenandCursor
9d1c08cab1
Set-focus must not append a second narration, and a server-owned stem must not also appear as a question in the assistant body. Co-authored-by: Cursor <cursoragent@cursor.com>
66 lines
2.1 KiB
TypeScript
66 lines
2.1 KiB
TypeScript
/**
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* Server-owned collect stems join the same assistant turn. Comparison is
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* exact identity of the prompt string being attached, never a semantic
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* “did this body already ask”.
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*/
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const SENTENCE_SPLIT = /(?<=[。！？?\n])/;
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const NARRATIVE_SENTENCE = /范围|记下|对照|\d{1,2}:\d{2}/;
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function isQuestionSentence(text: string, stem: string): boolean {
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if (!text) return false;
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if (stem && text === stem) return true;
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const prefix = stem.slice(0, 12);
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if (prefix && text.startsWith(prefix)) return true;
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return /[？?]$/.test(text);
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}
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export function stripQuestionSentences(body: string, stem: string): string {
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const prompt = stem.trim();
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const spoken = body.trim();
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if (!spoken) return "";
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const kept: string[] = [];
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let dropContinuation = false;
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for (const part of spoken.split(SENTENCE_SPLIT)) {
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const text = part.trim();
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if (!text) continue;
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if (isQuestionSentence(text, prompt)) {
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dropContinuation = true;
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continue;
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}
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if (dropContinuation && !NARRATIVE_SENTENCE.test(text)) {
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dropContinuation = false;
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continue;
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}
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dropContinuation = false;
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kept.push(part);
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}
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return kept.join("").trim();
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}
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export function composeCollectSpokenAssistantText(body: string, prompt: string): string {
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const stem = prompt.trim();
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const spoken = body.trim();
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if (!stem) return spoken;
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if (!spoken || spoken === stem) return stem;
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const stripped = stripQuestionSentences(spoken, stem);
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if (!stripped) return stem;
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const suffix = `\n\n${stem}`;
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if (stripped.includes(stem)) return stripped;
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if (stripped.length >= suffix.length && stripped.slice(stripped.length - suffix.length) === suffix) {
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return stripped;
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}
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return `${stripped}${suffix}`;
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}
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export function detachCollectSpokenAssistantText(body: string, prompt: string): string {
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const stem = prompt.trim();
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const spoken = body.trim();
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if (!stem || !spoken || spoken === stem) return spoken;
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const suffix = `\n\n${stem}`;
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if (spoken.length >= suffix.length && spoken.slice(spoken.length - suffix.length) === suffix) {
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return spoken.slice(0, spoken.length - suffix.length).trim();
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}
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return spoken;
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}
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