@extra-map/from-values

Creates a map from values. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Usage no npm install needed!

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

README

Creates a map from values. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Alternatives: from, from$, fromLists, fromValues.

This is part of package extra-map.

map.fromValues(vs, [fm]);
// vs: values
// fm: map function (v, i, x)

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

var vs = [1, 2, 3, 4];
map.fromValues(vs);
// Map(4) { 1 => 1, 2 => 2, 3 => 3, 4 => 4 }

map.fromValues(vs, v => v % 2);
// Map(2) { 1 => 3, 0 => 4 }

References

Array.prototype.from: MDN web docs