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Extract vals infos (author, name, version) from a val url (either from esm.town or val.town).
Example usage:
const {owner, name} = extractValInfo(import.meta.url)
Also returns a unique slug for the val: <author>/<name>
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export function extractValInfo(url: string | URL) {
const { pathname, search } = new URL(url);
const [author, filename] = pathname.split("/").slice(-2);
const [name] = filename.split(".");
const version = new URLSearchParams(search).get("v");
const slug = `${author}/${name}`;
const htmlUrl = `https://val.town/v/${author}/${name}`;
const rawUrl = `https://esm.town/v/${author}/${name}`;
const embedUrl = `https://val.town/embed/${author}/${name}`;
const httpEndpoint = `https://${author}-${name}.web.val.run`;
return { author, name, version, slug, htmlUrl, rawUrl, httpEndpoint, embedUrl };
}
👆 This is a val. Vals are TypeScript snippets of code, written in the browser and run on our servers. Create scheduled functions, email yourself, and persist small pieces of data — all from the browser.