mobilizon/js/src/utils/username.ts

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import { IActor } from "@/types/actor";
function autoUpdateUsername(actor: IActor, newDisplayName: string | null): IActor {
const oldUsername = convertToUsername(actor.name);
if (actor.preferredUsername === oldUsername) {
actor.preferredUsername = convertToUsername(newDisplayName);
}
return actor;
}
function convertToUsername(value: string | null): string {
if (!value) return "";
// https://stackoverflow.com/a/37511463
return value
.toLocaleLowerCase()
.normalize("NFD")
.replace(/[\u0300-\u036f]/g, "")
.replace(/ /g, "_")
.replace(/[^a-z0-9_]/g, "");
}
function validateUsername(actor: IActor): boolean {
return actor.preferredUsername === convertToUsername(actor.preferredUsername);
}
export { autoUpdateUsername, convertToUsername, validateUsername };