rudeshark.net/packages/client/src/scripts/gen-search-query.ts

import * as Acct from "calckey-js/built/acct";
import { host as localHost } from "@/config";

export async function genSearchQuery(v: any, q: string) {
	let host: string;
	let userId: string;
	if (q.split(" ").some((x) => x.startsWith("@"))) {
		for (const at of q
			.split(" ")
			.filter((x) => x.startsWith("@"))
			.map((x) => x.substr(1))) {
			if (at.includes(".")) {
				if (at === localHost || at === ".") {
					host = null;
				} else {
					host = at;
				}
			} else {
				const user = await v.os
					.api("users/show", Acct.parse(at))
					.catch((x) => null);
				if (user) {
					userId = user.id;
				} else {
					// todo: show error
				}
			}
		}
	}
	return {
		query: q
			.split(" ")
			.filter((x) => !(x.startsWith("/") || x.startsWith("@")))
			.join(" "),
		host: host,
		userId: userId,
	};
}