Array XOR

Generic array xor function which supports equals predicate function.

Install

npm install arr-xor

Usage

var xor = require('arr-xor');

xor([1, 2], [2, 3]);
//=> [1, 3]

xor([1, 2], [2, 3], [3, 4]);
//=> [1, 4]

xor([{id: 1}, {id: 2}], [{id: 2}, {id: 3}], function equals(a, b) {
    return a.id === b.id;
});
//=> [{id: 1}, {id: 3}]

API

xor(...arrays, [equalsPredicate])

Creates an array of unique values that is the symmetric difference of the provided arrays.

...arrays

Required
Type: array

Two or more arrays to do XOR operation.

equalsPredicate

Type: function
Default: function(a, b) { return a === b; }

Equality function. Should return true if a and b items are equal.

License

MIT