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TypeScript

import type { ConfigData } from '@/hooks/use-config';
/**
* The accessibility and help links an operator configures (OP-01): the
* accessibility statement, where to report a barrier, help, Easy Read
* (Leichte Sprache) and sign language pages. They show in the same order
* in every place that lists them (WCAG 3.2.6): the login page footer, the
* settings sidebar and the account menu. Links that aren't set are left out.
*/
export type HelpLinkId = 'statement' | 'feedback' | 'help' | 'easy_read' | 'sign_language';
export interface HelpLink {
id: HelpLinkId;
href: string;
/** mailto: links open the mail app, not a new tab. */
external: boolean;
}
export type HelpLinkConfig = Pick<
ConfigData,
'accessibilityStatementUrl' | 'accessibilityFeedbackUrl' | 'helpUrl' | 'easyReadUrl' | 'signLanguageUrl'
>;
const ORDER: ReadonlyArray<[HelpLinkId, keyof HelpLinkConfig]> = [
['statement', 'accessibilityStatementUrl'],
['feedback', 'accessibilityFeedbackUrl'],
['help', 'helpUrl'],
['easy_read', 'easyReadUrl'],
['sign_language', 'signLanguageUrl'],
];
/**
* The configured links, in their fixed order. The values were checked when
* the config was served (http(s) or mailto: only); this checks again so a
* config from elsewhere can't put a script URL in a link.
*/
export function helpLinksFrom(config: Partial<HelpLinkConfig>): HelpLink[] {
const out: HelpLink[] = [];
for (const [id, key] of ORDER) {
const href = typeof config[key] === 'string' ? config[key]!.trim() : '';
if (!/^(https?:\/\/|mailto:)/i.test(href)) continue;
out.push({ id, href, external: !/^mailto:/i.test(href) });
}
return out;
}