@mapcss/preset-svg
Version:
SVG as CSS for MapCSS
32 lines (31 loc) • 979 B
JavaScript
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
// This module is browser compatible.
/**
* Builds a new Record using the given array as keys and choosing a value for each
* key using the given selector. If any of two pairs would have the same value
* the latest on will be used (overriding the ones before it).
*
* Example:
*
* ```ts
* import { associateWith } from "https://deno.land/std@$STD_VERSION/collections/mod.ts"
* import { assertEquals } from "https://deno.land/std@$STD_VERSION/testing/asserts.ts";
*
* const names = [ 'Kim', 'Lara', 'Jonathan' ]
* const namesToLength = associateWith(names, it => it.length)
*
* assertEquals(namesToLength, {
* 'Kim': 3,
* 'Lara': 4,
* 'Jonathan': 8,
* })
* ```
*/
export function associateWith(array, selector) {
const ret = {};
for (const element of array) {
const selectedValue = selector(element);
ret[element] = selectedValue;
}
return ret;
}