nushell: fix jc completer

modules/common/nushell/config.nu

@@ -24,6 +24,65 @@ def --env mcg [path: path]: nothing -> nothing {
   jj git init --colocate
 }
 
+def --env "nu-complete jc" [] {
+  if $env.__NU_COMPLETE_JC? != null {
+    return $env.__NU_COMPLETE_JC
+  }
+
+  let options = try {
+    let options = ^jc --help
+    | collect
+    | parse "{_}Parsers:\n{_}\n\nOptions:\n{inherent}\n\nSlice:{_}"
+    | get 0
+
+    let parsers = ^jc --about
+    | from json
+    | get parsers
+    | select argument description
+    | rename value description
+
+    let inherent = $options.inherent
+    | lines
+    | parse "    {short},  {long} {description}"
+    | update description { str trim }
+    | each {|record|
+      [[value, description];
+        [$record.short, $record.description],
+        [$record.long, $record.description]]
+    }
+    | flatten
+
+    $parsers ++ $inherent
+  } catch {
+    []
+  }
+
+  $env.__NU_COMPLETE_JC = $options
+
+  $options
+}
+
+# Run `jc` (JSON Converter).
+def --wrapped jc [...arguments: string@"nu-complete jc"]: [any -> table, any -> record, any -> string] {
+  let run = ^jc ...$arguments | complete
+
+  if $run.exit_code != 0 {
+    error make {
+      msg: "jc exection failed"
+      label: {
+        text: ($run.stderr | str replace "jc:" "" | str replace "Error -" "" | str trim)
+        span: (metadata $arguments).span
+      }
+    }
+  }
+
+  if "--help" in $arguments or "-h" in $arguments {
+    $run.stdout
+  } else {
+    $run.stdout | from json
+  }
+}
+
 # `nu-highlight` with default colors
 #
 # Custom themes can produce a lot more ansi color codes and make the output
@@ -295,9 +354,18 @@ let menus = [
     marker: $env.PROMPT_INDICATOR
     type: {
       layout: ide
-      border: false
+      min_completion_width: 0
-      correct_cursor_pos: true
+      max_completion_width: 150
       max_completion_height: 25
+      padding: 0
+      border: false
+      cursor_offset: 0
+      description_mode: "prefer_right"
+      min_description_width: 0
+      max_description_width: 50
+      max_description_height: 10
+      description_offset: 1
+      correct_cursor_pos: true
     }
     style: {
       text: white

modules/common/packages.nix

@@ -14,6 +14,7 @@ in {
       fastfetch
       fd
       hyperfine
+      jc
       moreutils
       openssl
       p7zip