fix: percent-encoding for files with %, contentIndex for non-latin chars (closes #397, closes #399)

quartz/plugins/transformers/links.ts

@@ -60,11 +60,17 @@ export const CrawlLinks: QuartzTransformerPlugin<Partial<Options> | undefined> =
                     dest,
                     transformOptions,
                   )
-                  const url = new URL(dest, `https://base.com/${curSlug}`)
+
+                  // url.resolve is considered legacy
+                  // WHATWG equivalent https://nodejs.dev/en/api/v18/url/#urlresolvefrom-to
+                  const url = new URL(dest, `resolve://${curSlug}`)
                   const canonicalDest = url.pathname
                   const [destCanonical, _destAnchor] = splitAnchor(canonicalDest)
-                  const simple = decodeURI(simplifySlug(destCanonical as FullSlug)) as SimpleSlug
 
+                  // need to decodeURIComponent here as WHATWG URL percent-encodes everything
+                  const simple = decodeURIComponent(
+                    simplifySlug(destCanonical as FullSlug),
+                  ) as SimpleSlug
                   outgoing.add(simple)
                 }