searchAll - nodef/extra-object GitHub Wiki

Find all keys of entries passing a test.

Similar: search, searchAll. Similar: find, search, searchValue.

function searchAll(x, ft)
// x:  an object
// ft: test function (v, k, x)

const object = require('extra-object');

var x = {a: 1, b: 2, c: 3, d: -2};
object.searchAll(x, v => v === 2);
// → [ 'b' ]     ^

object.searchAll(x, v => Math.abs(v) === 2);
// → [ 'b', 'd' ]

References