@extra-lists/is-value v2.1.6

Checks if lists has a value. :running: :package: :ledger:

Similar: value, values, isValue. This is part of package extra-lists.

lists.isValue(x, v, [fc], [fm]);
// x:  lists
// v:  value?
// fc: compare function (a, b)
// fm: map function (v, k, x)

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

var x = [['a', 'b', 'c'], [1, 2, -3]];
lists.isValue(x, 3);
// false

lists.isValue(x, 3, (a, b) => Math.abs(a) - Math.abs(b));
// true

lists.isValue(x, 3, null, v => Math.abs(v));
// true

references

• Array.prototype.includes: MDN web docs
• array-tools.contains: @75lb