'use strict' const { Bench } = require('tinybench') const sjson = require('..') const internals = { text: '{ "a": 5, "b": 6, "__proto__": { "x": 7 }, "c": { "d": 0, "e": "text", "__proto__": { "y": 8 }, "f": { "g": 2 } } }', invalid: '{ "a": 5, "b": 6, "__proto__": { "x": 7 }, "c": { "d": 0, "e": "text", "__proto__": { "y": 8 }, "f": { "g": 2 } } } }' } internals.reviver = function (key, value) { if (key === '__proto__') { throw new Error('kaboom') } return value } const benchmark = new Bench({ name: 'throw benchmark', iterations: 10000, warmupIterations: 100 }) benchmark .add('JSON.parse valid', () => { JSON.parse(internals.text) }) .add('JSON.parse error', () => { try { JSON.parse(internals.invalid) } catch { } }) .add('secure-json-parse parse', () => { try { sjson.parse(internals.invalid) } catch { } }) .add('secure-json-parse safeParse', () => { sjson.safeParse(internals.invalid) }) .add('reviver', () => { try { JSON.parse(internals.invalid, internals.reviver) } catch { } }) .run() .then(() => { console.log(benchmark.name) console.table(benchmark.table()) })