arr-and

Array AND

Generic array and function which supports equals predicate function.

Install

npm install arr-and

Usage

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

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

and([1, 2, 3], [2, 3, 4], [3, 4, 5]);
//=> [3]

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

API

and(...arrays, [equalsPredicate])

Creates an array of unique values that is the logical conjuction of the provided arrays.

...arrays

Required
Type: array

Two or more arrays to do AND 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