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Gemini reached through the OpenAI-compatible endpoint returns JavaScript-object-literal output — single-quoted strings, unquoted keys, trailing commas — which strict JSON.parse rejects. The reservation list then came back empty and the booking-import UI showed nothing (#1638). Add a shared parseLenientJson() that tries strict JSON first and falls back to JSON5 (which accepts exactly that relaxed superset), and route both the OpenAI-compatible and Ollama-native parse paths through it, replacing the two identical strict parsers.
50 lines
1.5 KiB
TypeScript
50 lines
1.5 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { parseLenientJson } from '../../../../src/nest/llm-parse/lenient-json';
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describe('parseLenientJson', () => {
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it('parses strict JSON', () => {
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expect(parseLenientJson('{"a":1,"b":"x"}')).toEqual({ a: 1, b: 'x' });
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});
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it('strips a ```json code fence', () => {
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expect(parseLenientJson('```json\n[{"@type":"FlightReservation"}]\n```')).toEqual([
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{ '@type': 'FlightReservation' },
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]);
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});
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it('parses single-quoted, unquoted-key, trailing-comma output (Gemini, #1638)', () => {
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const gemini = `[
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{
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'@type': 'LodgingReservation',
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checkinTime: '2026-08-28T00:00:00',
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checkoutTime: '2026-08-30T11:00:00',
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price: 146.25,
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priceCurrency: 'EUR',
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}
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]`;
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expect(parseLenientJson(gemini)).toEqual([
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{
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'@type': 'LodgingReservation',
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checkinTime: '2026-08-28T00:00:00',
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checkoutTime: '2026-08-30T11:00:00',
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price: 146.25,
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priceCurrency: 'EUR',
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},
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]);
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});
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it('parses a code-fenced non-strict object', () => {
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expect(parseLenientJson("```\n{ reservations: [{ '@type': 'TrainReservation' }] }\n```")).toEqual({
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reservations: [{ '@type': 'TrainReservation' }],
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});
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});
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it('returns null on empty or truly unparseable input', () => {
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expect(parseLenientJson('')).toBeNull();
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expect(parseLenientJson(null)).toBeNull();
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expect(parseLenientJson(undefined)).toBeNull();
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expect(parseLenientJson('this is prose, not json')).toBeNull();
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});
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});
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