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Test cases
Language
JavaScript
TypeScript
export default function safeJsonParse(text, fallback = null) { throw new Error('Not implemented'); }
import safeJsonParse from './safeJsonParse'; describe('safeJsonParse', () => { test('parses valid JSON objects and arrays', () => { expect(safeJsonParse('{"ok":true}')).toEqual({ ok: true }); expect(safeJsonParse('[1,2,3]')).toEqual([1, 2, 3]); }); test('parses valid primitives', () => { expect(safeJsonParse('0')).toBe(0); expect(safeJsonParse('true')).toBe(true); expect(safeJsonParse('null')).toBe(null); }); test('returns fallback on invalid JSON', () => { const fallback = { ok: false }; expect(safeJsonParse('{bad}', fallback)).toBe(fallback); }); test('returns fallback for non-string input', () => { expect(safeJsonParse(42, [])).toEqual([]); }); });
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