RunKit + npm: valid-json-cli

"use strict" // API: validjson({String} json, {Boolean} [silent]) : {Boolean} valid const validjson = require("valid-json-cli") const http = require("http") const request = http.request({ hostname: "jsonip.com" }, response => { let json = "" response.setEncoding("utf8"); response.on("data", (chunk) => { json += chunk }) response.on("end", () => { console.log(`JSON data is ${validjson(json, true) ? "valid" : "invalid"}`) console.log(JSON.parse(json)) }); }) request.end()