intersection - nodef/extra-object GitHub Wiki

Obtain entries present in both objects.

Alternatives: intersection, intersection$. Similar: intersectionKeys, intersection. Similar: isDisjoint, union, intersection, difference, symmetricDifference.

function intersection(x, y, fc)
// x:  an object
// y:  another object
// fc: combine function (a, b)
const object = require('extra-object');

var x = {a: 1, b: 2, c: 3, d: 4};
var y = {b: 20, c: 30, e: 50};
object.intersection(x, y);
// → { b: 2, c: 3 }

object.intersection(x, y, (a, b) => b);
// → { b: 20, c: 30 }

References