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is-equal-shallow

Does a shallow comparison of two objects, returning false if the keys or values differ.

The purpose of this lib is to do the fastest comparison possible of two objects when the values will predictably be primitives.

only compares objects.
only compares the first level of each object
values must be primitives. If a value is not a primitive, even if the values are the same, false is returned.

Install with npm

$ npm i is-equal-shallow --save

Usage

var equals = require('is-equal-shallow');
equals(object_a, object_b);

Examples

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

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

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

Strict comparison for equality:

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

When values are not primitives, false is always returned:

equals({ b: {}}, { b: {}});
//=> 'false'

equals({ b: []}, { b: []});
//=> 'false'

Related projects

Other object utils:

clone-deep: Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.
for-in: Iterate over the own and inherited enumerable properties of an objecte, and return an object… more
for-own: Iterate over the own enumerable properties of an object, and return an object with properties… more
is-plain-object: Returns true if an object was created by the Object constructor.
isobject: Returns true if the value is an object and not an array or null.

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

License

This file was generated by verb-cli on June 22, 2015.

README.md