json-nested-find

Finds and exports all values of given key from an unknown structured json object, array or array of objects.

• Recursive lookup
• No aditional dependency
• Small size(4kb)

Install

npm i json-nested-find@latest

Basic Usage

const jsonfind = require("json-nested-find");
 
// example json object
let sample = [
  { author: "Jack London", book: "The Call of the Wild", year: 1903 },
  { author: "Tolstoy", book: "War and Peace" },
  { author: "Dostoevsky", book: "Crime and Punishment" },
  { author: "Dostoevsky", book: "The Brothers Karamazov" },
  {
    nested: {
      another: [{ author: "M.Kemal Atatürk", book: "Nutuk", year: 1927 }]
    }
  }
];
 
// call jsonfind's All function (the only function of this dependency right now)
// 2nd parameter is used for a key to search, "author" in this example.
 
// outputs (return a Set)
 
console.log(jsonfind.All(sample, "author"));
// Set { 'Jack London', 'Tolstoy', 'Dostoevsky', 'M.Kemal Atatürk' }
 
console.log(jsonfind.All(sample, "year"));
// Set { 1903, 1927 }