StackGenVis/frontend/node_modules/has-own-deep

has-own-deep

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

Install with npm

npm i has-own-deep --save

Usage

var hasOwnDeep = require('has-own-deep');

hasOwnDeep({});
//=> false
hasOwnDeep({a: 'b'}, 'a');
//=> true

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


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

Related projects

• set-value: Create nested values and any intermediaries using dot notation ('a.b.c') paths.
• get-value: Use property paths (a.b.c) get a nested value from an object.
• has-value: Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
• has-any: Returns true if an object has any of the specified keys.
• has-any-deep: Return true if key exists deeply on the given object.
• any: Returns true if a value exists in the given string, array or object.

Running tests

Install dev dependencies:

npm i -d && npm test

Contributing

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

Author

Jon Schlinkert

• github/jonschlinkert
• twitter/jonschlinkert

License

Copyright (c) 2015 Jon Schlinkert
Released under the MIT license

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This file was generated by verb-cli on April 03, 2015.