import { joinToString } from "https://deno.land/std@0.147.0/collections/join_to_string.ts";
Transforms the elements in the given array to strings using the given selector.
Joins the produced strings into one using the given separator
and applying the given prefix
and suffix
to the whole string afterwards.
If the array could be huge, you can specify a non-negative value of limit
, in which case only the first limit
elements will be appended, followed by the truncated
string.
Returns the resulting string.
Example:
import { joinToString } from "https://deno.land/std@0.147.0/collections/join_to_string.ts";
import { assertEquals } from "https://deno.land/std@0.147.0/testing/asserts.ts";
const users = [
{ name: "Kim" },
{ name: "Anna" },
{ name: "Tim" },
];
const message = joinToString(users, (it) => it.name, {
suffix: " are winners",
prefix: "result: ",
separator: " and ",
limit: 1,
truncated: "others",
});
assertEquals(message, "result: Kim and others are winners");
Parameters
array: readonly T[]
selector: (el: T) => string
optional
unnamed 2: Readonly<JoinToStringOptions> = [UNSUPPORTED]