Jesse_Chen
49 lines
1.8 KiB
TypeScript
49 lines
1.8 KiB
TypeScript
import { createHash } from "node:crypto";
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import {
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DYNAMIC_QUESTION_LABEL_MAX_LENGTH,
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DYNAMIC_QUESTION_PROMPT_MAX_LENGTH,
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} from "./birth-time-dynamic-question-limits.ts";
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import type { CandidateDifferencePacket } from "./birth-time-dynamic-choice-internal.ts";
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const clockTimePattern = /(?:^|[^\d])(?:[01]?\d|2[0-3])\s*[:：]\s*[0-5]\d(?:$|[^\d])/;
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export function dynamicServerCopyIsSafe(value: string, question: boolean): boolean {
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const normalized = value.normalize("NFKC").trim();
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if (normalized.length > (
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question ? DYNAMIC_QUESTION_PROMPT_MAX_LENGTH : DYNAMIC_QUESTION_LABEL_MAX_LENGTH
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)) return false;
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if (!/[\u3400-\u9fff]/u.test(normalized) || /[A-Za-z]/.test(normalized)) return false;
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if (clockTimePattern.test(normalized)) return false;
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return !question || (normalized.match(/[？?]/g) ?? []).length === 1;
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}
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export function normalizeDynamicLabel(value: string): string {
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return value.normalize("NFKC").trim().replace(/\s+/g, "");
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}
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export function modelSafeDynamicQuestionPrompt(
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packet: CandidateDifferencePacket,
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): string {
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return JSON.stringify({
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task: "select_dynamic_choice_opportunity",
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opportunities: packet.opportunities.map((opportunity) => ({
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opportunityId: opportunity.opportunityId,
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dimensionCode: opportunity.dimensionCode,
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neutralContext: opportunity.neutralContext,
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})),
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});
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}
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export function dynamicQuestionSemanticFingerprint(output: {
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readonly prompt: string;
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readonly options: readonly { readonly label: string }[];
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}): string {
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const semantics = {
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prompt: normalizeDynamicLabel(output.prompt),
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options: output.options.map((option) => normalizeDynamicLabel(option.label)),
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};
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return createHash("sha256")
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.update(`birth-time-dynamic-question-v1\n${JSON.stringify(semantics)}`, "utf8")
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.digest("hex");
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}
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