RunKit + 
Try any Node.js package right in your browser
This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including fast-json-stringify. Try it out:
'use strict'
const fastJson = require('..')
const stringify = fastJson({
title: 'Example Schema',
type: 'object',
properties: {
firstName: {
type: 'string'
},
lastName: {
type: 'string'
},
age: {
description: 'Age in years',
type: 'integer'
},
now: {
type: 'string'
},
birthdate: {
type: ['string'],
format: 'date-time'
},
reg: {
type: 'string'
},
obj: {
type: 'object',
properties: {
bool: {
type: 'boolean'
}
}
},
arr: {
type: 'array',
items: {
type: 'object',
properties: {
str: {
type: 'string'
}
}
}
}
},
required: ['now'],
patternProperties: {
'.*foo#x27;: {
type: 'string'
},
test: {
type: 'number'
},
date: {
type: 'string',
format: 'date-time'
}
},
additionalProperties: {
type: 'string'
}
})
console.log(stringify({
firstName: 'Matteo',
lastName: 'Collina',
age: 32,
now: new Date(),
reg: /"([^"]|\\")*"/,
foo: 'hello',
numfoo: 42,
test: 42,
strtest: '23',
arr: [{ str: 'stark' }, { str: 'lannister' }],
obj: { bool: true },
notmatch: 'valar morghulis',
notmatchobj: { a: true },
notmatchnum: 42
}))
- all documents on RunKit are public
require()any package directly from npm- use arrow functions, classes, template strings, and most of ES6
awaitany promise instead of using callbacks (example)- create your own embedded node.js snippets
This service is provided by RunKit and is not affiliated with npm, Inc or the package authors.