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Showing content from https://github.com/jonschlinkert/has-own-deep below:

jonschlinkert/has-own-deep: Returns true if an object has an own, enumerable property. Nested properties can be checked using using dot notation paths ('a.b.c').

Returns true if an object has an own, nested property using dot notation paths ('a.b.c').

Please consider following this project's author, Jon Schlinkert, and consider starring the project to show your ❤️ and support.

Install with npm:

$ npm install --save has-own-deep

const hasOwnDeep = require('has-own-deep');
const obj = { a: { b: { c: 'd' } } };

console.log(hasOwnDeep(obj, 'a'));     //=> true
console.log(hasOwnDeep(obj, 'a.b'));   //=> true
console.log(hasOwnDeep(obj, 'a.b.c')); //=> true

console.log(hasOwnDeep(obj, 'c'));     //=> false
console.log(hasOwnDeep(obj, 'a.c'));   //=> false
console.log(hasOwnDeep(obj, 'a.b.d')); //=> false

Should correctly detect deeply nested keys that have dots in them.

console.log(hasOwnDeep({ 'a.b.c': 'd' }, 'a.b.c'));      //=> true
console.log(hasOwnDeep({ 'a.b': { c: 'd' } }, 'a.b.c')); //=> true
console.log(hasOwnDeep({ a: { 'b.c': 'd' } }, 'a.b.c')); //=> true

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.

Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:

$ npm install && npm test

(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)

To generate the readme, run the following command:

$ npm install -g verbose/verb#dev verb-generate-readme && verb

Jon Schlinkert

• linkedin/in/jonschlinkert
• github/jonschlinkert
• twitter/jonschlinkert

Copyright © 2018, Jon Schlinkert. Released under the MIT License.

This file was generated by verb-generate-readme, v0.6.0, on January 26, 2018.

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