@extra-iterable/unique-on.min

Removes duplicate values. :running: :vhs: :package: :moon: :ledger:

Alternatives: compare, map.
This is part of package extra-iterable.

This is browserified, minified version of @extra-iterable/unique-on.
It is exported as global variable iterableuniqueOn.
CDN: unpkg, jsDelivr.

iterable.uniqueOn(x, [fn], [ths]);
// x:   an iterable
// fn:  map function (v, i, x)
// ths: this argument

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

var x = [1, 2, 3, 4, 2, 3];
[...iterable.uniqueOn(x)];
// [ 1, 2, 3, 4 ]

var x = [1, 2, 3, 4, -2, -3];
[...iterable.uniqueOn(x, v => Math.abs(v))];
// [ 1, 2, 3, 4 ]

references

• Data.List.nub: Haskell
• List-Extra.unique: elm
• List-Extra.uniqueBy: elm
• .uniq: lodash