@extra-map/take

Keeps first n entries only. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Usage no npm install needed!

<script type="module">
  import extraMapTake from 'https://cdn.skypack.dev/@extra-map/take';
</script>

README

Keeps first n entries only. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Alternatives: take, take$.
Similar: take, drop.

This is part of package extra-map.


map.take(x, [n]);
// x: a map
// n: number of entries (1)

const map = require("extra-map");

var x = new Map([["a", 1], ["b", 2], ["c", 3], ["d", 4]]);
map.take(x, 2);
// Map(2) { "a" => 1, "b" => 2 }

map.take(x, 3);
// Map(3) { "a" => 1, "b" => 2, "c" => 3 }


References