circular.js

'use strict';
const util = require('util');
const benchmark = require('benchmark');
const dumpster = require('../');
const jss = require('json-stringify-safe');
const cjson = require('circular-json');

const sample = {
    field1: {
        a: 1,
        b: 2,
        inner: {
            some: {
                other: {
                    object: {
                        re: /re/
                    }
                }
            }
        },
        f: [function () {}]
    },
    array: [{
        x: 1,
        c: true,
        s: new RegExp()
    }, {
        z: null
    }, {
        t: [[1, 2, 3], [10, [20, [30, [40]]]]]
    }]
};

sample.field1.inner.link = sample;
sample.array[0].link = sample;
sample.array[2].t[1].push(sample);

const tinyJSONBench = new benchmark.Suite();

tinyJSONBench.add('dumpster (depth: 2)', () => {
    dumpster.dump(sample, { depth: 2 });
}).add('dumpster (depth: Infinity)', () => {
    dumpster.dump(sample, { depth: Infinity });
}).add('dumpster (pretty)', () => {
    dumpster.dump(sample, { pretty: true, depth: Infinity });
}).add('util.inspect (depth: 2)', () => {
    util.inspect(sample, { depth: 2 });
}).add('util.inspect (depth: Infinity)', () => {
    util.inspect(sample, { depth: null });
}).add('json-stringify-safe', function () {
    jss(sample);
}).add('json-stringify-safe (pretty)', function () {
    jss(sample, null, 4);
}).add('circular-json', function () {
    cjson.stringify(sample);
}).add('circular-json (pretty)', function () {
    cjson.stringify(sample, null, 4);
}).on('error', e => {
    console.log(e);
}).on('cycle', event => {
    console.log(String(event.target));
}).run();