pretty164: Simple E.164 dash-inserter

Reformats E.164 strings by inserting dashes. No dependancies.

Usage

// node (after `npm install [email protected]`):
const { pretty164 } = require("pretty164"); // .cjs
import { pretty164 } from "pretty164"; // or .mjs or package.json type:"module"

// deno:
import { pretty164 } from "https://deno.land/x/[email protected]/pretty164.ts";

// web esm:
import { pretty164 } from "https://www.unpkg.com/[email protected]/esm/pretty164.js";

pretty164("+14155552671");
//=> "+1-415-555-2671"

pretty164("+442071838750");
//=> "+44-20-7183-8750"

pretty164("nope");
//=> "nope"

References

• https://www.twilio.com/docs/glossary/what-e164
• https://en.wikipedia.org/wiki/E.164
• https://en.wikipedia.org/wiki/List_of_country_calling_codes
• https://www.globalcallforwarding.com/blog/what-is-e-164/
• https://46elks.com/kb/e164