'use strict' const { Bench } = require('tinybench') const sjson = require('..') const internals = { text: '{ "a": 5, "b": 6, "proto": { "x": 7 }, "c": { "d": 0, "e": "text", "\\u005f\\u005fproto": { "y": 8 }, "f": { "g": 2 } } }', suspectRx: /"(?:_|\\u005f)(?:_|\\u005f)(?:p|\\u0070)(?:r|\\u0072)(?:o|\\u006f)(?:t|\\u0074)(?:o|\\u006f)(?:_|\\u005f)(?:_|\\u005f)"/ } internals.reviver = function (key, value) { if (key.match(internals.suspectRx)) { return undefined } return value } const benchmark = new Bench({ name: 'no __proto__ benchmark', iterations: 10000, warmupIterations: 100 }) benchmark .add('JSON.parse', () => { JSON.parse(internals.text) }) .add('secure-json-parse parse', () => { sjson.parse(internals.text) }) .add('secure-json-parse safeParse', () => { sjson.safeParse(internals.text) }) .add('reviver', () => { JSON.parse(internals.text, internals.reviver) }) .run() .then(() => { console.log(benchmark.name) console.table(benchmark.table()) })