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leaflet fork for copy edit / bug fixes forked from leaflet.pub/leaflet
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123456789101112131415161718192021222324252627// Publication nav tabs are either a hosted publication page (stored as a// relative path like "/about") or an external link (stored as a full URL like// "https://example.com"). We tell them apart by whether the stored `path` is an// absolute http(s) URL — there's no separate column, the shape of the path is// the discriminator.
export function isExternalLink(path: string | null | undefined): boolean { if (!path) return false; return /^https?:\/\//i.test(path.trim());}
// Validate + normalize user input for an external link tab. Returns the// canonical URL string, or null if it isn't a usable absolute http(s) URL. Used// to enforce that external link tabs always store a full url.export function normalizeExternalLink(input: string): string | null { let trimmed = input.trim(); if (!trimmed) return null; let url: URL; try { url = new URL(trimmed); } catch { return null; } if (url.protocol !== "http:" && url.protocol !== "https:") return null; return url.toString();}