Changed . token to _dot

This change allows the dotfiles to work with chezmoi (e.g: on windows)
and improves grepability with neovim/telescope

dot_config/nushell/nu_scripts/modules/kubernetes/refine.nu

@@ -0,0 +1,61 @@
+def safe_get [path obj] {
+    mut r = $obj
+    mut ps = $path
+    loop {
+        if ($ps | length) < 1 { break }
+        if $r == null { break }
+        let p = $ps | first
+
+        if ($p | describe -d).type == closure {
+            $r = ($r | do $p $r)
+            $ps = ($ps | range 1..)
+            continue
+        }
+
+        match ($r | describe -d).type {
+            record => {
+                if $p in $r {
+                    $r = ($r | get $p)
+                } else {
+                    $r = null
+                }
+            }
+            list => {
+                let ps = $ps
+                return ($r | each {|x| safe_get $ps $x })
+            }
+            _ => {
+                $r = null
+            }
+        }
+        $ps = ($ps | range 1..)
+    }
+    $r
+}
+
+def extract [tg obj] {
+    $tg
+    | transpose k v
+    | reduce -f {} {|i,a|
+        match ($i.v | describe -d).type {
+            list => {
+                let c = safe_get $i.v $obj
+                $a | upsert $i.k $c
+            }
+            record => {
+                let o = safe_get $i.v._ $obj
+                let t = $i.v | reject _
+                $a | upsert $i.k (main $t $o)
+            }
+        }
+    }
+}
+
+export def main [tg obj] {
+    if ($obj | describe -d).type == list {
+        $obj | each {|x| extract $tg $x }
+    } else {
+        extract $tg $obj
+    }
+}
+