Add backnavigation to various listings

[x_status_git] / topic.html

diff --git a/topic.html b/topic.html
index 17cb96e014d3b3dd5db652c8113e108dbf10b03f..ea9b38438907eada202534a47190277593c09317 100644 (file)
--- a/topic.html
+++ b/topic.html
@@ -5,11 +5,17 @@
 body{ Display: Grid; Box-Sizing: Border-Box; Margin: Auto; Padding-Inline: 1REM; Min-Block-Size: 100VH; Inline-Size: 100%; Max-Inline-Size: 45REM; Align-Content: Center; Justify-Content: Stretch; Font-Family: Sans-Serif }
 </STYLE>
 <H1>Topic Feed</H1>
-<NAV><DL></DL></NAV>
+<NAV><P><A HRef=/>Home</A></P><DL></DL></NAV>
 <SCRIPT Type=module>
 const nav = document.body.querySelector("nav")
 const dl = nav.querySelector("dl")
 const parser = new DOMParser
+if (location.pathname.startsWith("/topics/")) {
+  const a = nav
+  .insertBefore(document.createElement("p"), dl)
+  .appendChild(document.createElement("a"))
+  a.href = "/topics/"
+  a.textContent = "Topics" }
 fetch(`${location}.jsonld`)
 .then($ => $.json())
 .then(meta => {
@@ -18,20 +24,21 @@ fetch(`${location}.jsonld`)
   document.body.querySelector("h1").textContent = "subject" in meta
   ? `#${topic}`
   : `@${topic}`
-  if (meta.first != location) {
+  const { first, prev, next, current, items } = meta
+  if (first && first != location && first != prev) {
     const a = nav
     .insertBefore(document.createElement("p"), dl)
     .appendChild(document.createElement("a"))
-    a.href = meta.first
+    a.href = first
     a.textContent = "First Page" }
-  if (meta.prev && meta.prev != meta.first) {
+  if (prev) {
     const a = nav
     .insertBefore(document.createElement("p"), dl)
     .appendChild(document.createElement("a"))
-    a.href = meta.prev
+    a.href = prev
     a.textContent = "Previous Page" }
   let prevDate = undefined
-  for (const status of meta.items) {
+  for (const status of items) {
     if (status.created != prevDate) dl.appendChild(document.createElement("dt")).textContent = status.created
     const a = dl
     .appendChild(document.createElement("dd"))
@@ -57,16 +64,16 @@ fetch(`${location}.jsonld`)
     a.textContent = chars.length > 28
     ? "".concat(...chars.slice(0, 27), "…")
     : summaryText || status.identifier }
-  if (meta.next && meta.next != meta.current) {
+  if (next) {
     const a = nav
     .appendChild(document.createElement("p"))
     .appendChild(document.createElement("a"))
-    a.href = meta.next
+    a.href = next
     a.textContent = "Next Page" }
-  if (meta.current != location) {
+  if (current && current != location && current != next) {
     const a = nav
     .appendChild(document.createElement("p"))
     .appendChild(document.createElement("a"))
-    a.href = meta.current
+    a.href = current
     a.textContent = "Latest Page" } })
 </SCRIPT>