diff --git a/config.fish b/config.fish
index 9c49b6f..acdcd0e 100644
--- a/config.fish
+++ b/config.fish
@@ -1,4 +1,3 @@
-
 set fish_greeting #supress fish_greeting
 
 zoxide init fish | source
@@ -69,7 +68,7 @@ function configGitUni
 end
 
 function pickColor
-    grim -g "$(slurp -p)" -t ppm - | convert - -format '%[pixel:p{0,0}]' txt:-
+    grim -g "$(slurp -p -b 00000000)" -t ppm - | convert - -format '%[pixel:p{0,0}]' txt:-
 end
 
 # grim and slurp
@@ -91,3 +90,6 @@ set -gx PATH "$PNPM_HOME" $PATH
 
 # nix
 alias nshell "nix-shell --run fish"
+
+# opam configuration
+source /home/andr3/.opam/opam-init/init.fish > /dev/null 2> /dev/null; or true
diff --git a/other.fish b/other.fish
index c6fbced..dc54cdb 100644
--- a/other.fish
+++ b/other.fish
@@ -1,16 +1,40 @@
 function nixsh
     if test (count $argv) = 0
-        nix-shell --run "fish"
-        return $status
+        if nix-shell --run "fish"
+            return 0
+        else
+            nix shell .#
+            return $status
+        end
     end
 
     nix-shell --run "fish" -p $argv
 end
 
-alias n14="nixsh nodejs-slim_14 yarn nodePackages.eslint"
+function n14
+    export NIXPKGS_ALLOW_INSECURE 1
+    NIXPKGS_ALLOW_INSECURE=1 nixsh nodejs-slim_14 yarn nodePackages.eslint nodePackages.svelte-language-server nodePackages.npm $argv
+end
+
 alias n14dev="n14 --run 'pnpm dev'"
 alias n14pl="n14 --run 'pnpm prod-local'"
 
-alias n19="nixsh nodejs-slim_19 yarn nodePackages.eslint"
-alias n19dev="n19 --run 'pnpm dev'"
-alias n19pl="n19 --run 'pnpm prod-local'"
+alias n14="nixsh nodejs_14 yarn nodePackages.svelte-language-server nodePackages.npm"
+alias n14dev="n14 --run 'pnpm dev'"
+alias n14pl="n14 --run 'pnpm prod-local'"
+
+function n16
+    export NIXPKGS_ALLOW_INSECURE 1
+    NIXPKGS_ALLOW_INSECURE=1 nixsh nodejs-slim_16 yarn nodePackages.svelte-language-server nodePackages.npm $argv
+end
+
+alias n16dev="n16 --run 'pnpm dev'"
+alias n16pl="n16 --run 'pnpm prod-local'"
+
+alias n18="nixsh nodejs-slim_18 yarn nodePackages.svelte-language-server"
+alias n18dev="n18 --run 'pnpm dev'"
+alias n18pl="n18 --run 'pnpm prod-local'"
+
+alias n20="nixsh nodejs-slim_20 yarn nodePackages.svelte-language-server"
+alias n20dev="n20 --run 'pnpm dev'"
+alias n20pl="n20 --run 'pnpm prod-local'"