46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
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/**
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* @license
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* Copyright 2025 Qwen
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* SPDX-License-Identifier: Apache-2.0
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*/
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import { jsonrepair } from 'jsonrepair';
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/**
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* Safely parse JSON string with jsonrepair fallback for malformed JSON.
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* This function attempts to parse JSON normally first, and if that fails,
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* it uses jsonrepair to fix common JSON formatting issues before parsing.
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*
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* @param jsonString - The JSON string to parse
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* @param fallbackValue - The value to return if parsing fails completely
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* @returns The parsed object or the fallback value
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*/
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export function safeJsonParse<T = Record<string, unknown>>(
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jsonString: string,
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fallbackValue: T = {} as T,
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): T {
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if (!jsonString || typeof jsonString !== 'string') {
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return fallbackValue;
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}
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try {
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// First attempt: try normal JSON.parse
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return JSON.parse(jsonString) as T;
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} catch (error) {
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try {
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// Second attempt: use jsonrepair to fix common JSON issues
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const repairedJson = jsonrepair(jsonString);
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// jsonrepair always returns a string, so we need to parse it
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return JSON.parse(repairedJson) as T;
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} catch (repairError) {
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console.error('Failed to parse JSON even with jsonrepair:', {
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originalError: error,
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repairError,
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jsonString,
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});
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return fallbackValue;
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}
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}
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}
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