fix: wikilinks should allow external links (closes #639)

Jacky Zhao

2023-12-19 b44a79eebaf1664512ef5ff4e3246b3a6a416ff4

 quartz/plugins/transformers/links.ts

@@ -54,6 +54,16 @@
                node.properties.className ??= []
                node.properties.className.push(isAbsoluteUrl(dest) ? "external" : "internal")

                // Check if the link has alias text
                if (
                  node.children.length === 1 &&
                  node.children[0].type === "text" &&
                  node.children[0].value !== dest
                ) {
                  // Add the 'alias' class if the text content is not the same as the href
                  node.properties.className.push("alias")
                }

                if (opts.openLinksInNewTab) {
                  node.properties.target = "_blank"
                }
@@ -71,14 +81,16 @@
                  // WHATWG equivalent https://nodejs.dev/en/api/v18/url/#urlresolvefrom-to
                  const url = new URL(dest, `https://base.com/${curSlug}`)
                  const canonicalDest = url.pathname
                  const [destCanonical, _destAnchor] = splitAnchor(canonicalDest)
                  let [destCanonical, _destAnchor] = splitAnchor(canonicalDest)
                  if (destCanonical.endsWith("/")) {
                    destCanonical += "index"
                  }

                  // need to decodeURIComponent here as WHATWG URL percent-encodes everything
                  const simple = decodeURIComponent(
                    simplifySlug(destCanonical as FullSlug),
                  ) as SimpleSlug
                  const full = decodeURIComponent(_stripSlashes(destCanonical, true)) as FullSlug
                  const simple = simplifySlug(full)
                  outgoing.add(simple)
                  node.properties["data-slug"] = simple
                  node.properties["data-slug"] = full
                }

                // rewrite link internals if prettylinks is on