fix: example/x-macos-pasteboard (#56)

Author: cablehead

examples/x-macos-pasteboard/solid-ui/README.md

@@ -21,12 +21,12 @@ xs serve ./store --expose :3021
 
 Bootstrap the store:
 
-```bash
+```nushell
 # register x-macos-pasteboard as a frame generator
-echo "x-macos-pasteboard | lines" | xs append ./store pb.spawn
+"x-macos-pasteboard | lines" | .append pb.spawn
 
 # register a handler to map raw clipboard data to content
-cat handler-pb.map.nu | xs append ./store pb.map.register
+cat handler-pb.map.nu | .append pb.map.register
 ```
 
 Start UI:

examples/x-macos-pasteboard/solid-ui/handler-pb.map.nu

@@ -1,19 +1,22 @@
-{|frame|
+{
+  run: {|frame|
     if $frame.topic != "pb.recv" { return }
 
     let data = .cas $frame.hash | from json | get types
 
-    $data | get "public.png"? | if ($in | is-not-empty) {
-        $in | decode base64 | .append content --meta {
-            updates: $frame.id
-            content_type: "image" }
-        return
+    $data | get -i "public.png" | if ($in | is-not-empty) {
+      $in | decode base64 | .append content --meta {
+        updates: $frame.id
+        content_type: "image"
+      }
+      return
     }
 
-    $data | get "public.utf8-plain-text"? | if ($in | is-not-empty) {
-        $in | decode base64 | decode | .append content --meta {updates: $frame.id}
-        return
+    $data | get -i "public.utf8-plain-text" | if ($in | is-not-empty) {
+      $in | decode base64 | decode | .append content --meta {updates: $frame.id}
+      return
     }
 
     $frame
+  }
 }