FeDirect/static/add_an_instance.mts
CenTdemeern1 8e6a2d20b4 AddInstance dialog, fixed
This time with less technical debt!
2025-01-13 06:59:58 +01:00

54 lines
1.9 KiB
TypeScript

// This file handles the "Add an instance" dialog
export function parseHost(host: string): { host: string, secure: boolean } | null {
let parsedInstance = URL.parse(host);
parsedInstance ??= URL.parse("https://" + host);
if (!parsedInstance?.host) return null;
return {
host: parsedInstance.host,
secure: parsedInstance.protocol === "https:"
};
}
export function initializeAddInstanceDialog(dialog: HTMLDialogElement): {
showAddInstanceDialog: () => void,
hideAddInstanceDialog: () => void,
} {
const showAddInstanceDialog = () => dialog.showModal();
const hideAddInstanceDialog = () => dialog.close();
const form = dialog.querySelector(".addInstanceForm");
if (!(form instanceof HTMLFormElement))
throw new Error(".addInstanceForm isn't a form");
const instanceHost = form.querySelector("#instanceHost");
if (!(instanceHost instanceof HTMLInputElement))
throw new Error("#instanceHost isn't an input");
instanceHost.addEventListener("input", e => {
if (parseHost(instanceHost.value) === null)
instanceHost.setCustomValidity("Invalid instance hostname or URL");
else
instanceHost.setCustomValidity("");
});
form.addEventListener("submit", async e => {
// A sane browser doesn't allow for submitting the form if the above validation fails
const { host, secure } = parseHost(instanceHost.value)!;
console.log(
await fetch(`/api/instance_info/${secure}/${encodeURI(host)}`).then(r => r.json())
);
form.reset();
});
const closeButton = form.querySelector(".close");
if (!(closeButton instanceof HTMLButtonElement))
throw new Error(".close isn't a button");
closeButton.addEventListener("click", e => hideAddInstanceDialog());
return {
showAddInstanceDialog,
hideAddInstanceDialog
};
}