nushell: make jc wrapper better

modules/common/nushell/config.nu

@@ -24,15 +24,50 @@ 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
+    | parse "{_}Options:\n{inherent}\n\nSlice:{_}"
+    | get 0
+
+    let parsers = jc --about
+    | from json
+    | get parsers.argument
+
+    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 {
+    null
+  }
+
+  $env.__NU_COMPLETE_JC = $options
+
+  $options
+}
+
 # Run `jc` (JSON Converter).
-def --wrapped jc [...arguments]: [any -> table, any -> record, any -> string] {
+def --wrapped jc [...arguments: string@"nu-complete jc"]: [any -> table, any -> record, any -> string] {
   let run = ^jc ...$arguments | complete
 
   if $run.exit_code != 0 {
     error make {
-      msg: $run.stderr
+      msg: "jc exection failed"
       label: {
-        text: "jc execution failed"
+        text: ($run.stderr | str replace "jc:" "" | str replace "Error -" "" | str trim)
         span: (metadata $arguments).span
       }
     }