From 6a096bf9a22903c92f0065ba3316d3821ddd8b72 Mon Sep 17 00:00:00 2001
From: Dmitriy Pleshevskiy <dmitriy@pleshevski.ru>
Date: Fri, 10 May 2024 15:28:03 +0300
Subject: [PATCH] convert string to raw in the pipe join

---
 lib.nix      | 2 +-
 lib.test.nix | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib.nix b/lib.nix
index 9395260..d332d34 100644
--- a/lib.nix
+++ b/lib.nix
@@ -59,7 +59,7 @@ let
     else validationError expr "is not supported for a join type";
 
   concat = join "";
-  pipe = join ".";
+  pipe = args: join "." (map (a: if isString a then raw a else a) args);
   pipe1 = lft: rgt: pipe [ lft rgt ];
   spaceBetween = join " ";
 
diff --git a/lib.test.nix b/lib.test.nix
index 48c3b66..a4c2c74 100644
--- a/lib.test.nix
+++ b/lib.test.nix
@@ -153,6 +153,15 @@ with nix2lua; pkgs.lib.runTests {
     ]);
     expected = "require(\"nvim-treesitter.parsers\").get_parser_configs()";
   };
+  "test returns a pipe that convert string to var" = {
+    expr = toLua (pipe [
+      (require "nvim-tree.api")
+      "config"
+      "mappings"
+      (call "default_on_attach" (var "bufnr"))
+    ]);
+    expected = "require(\"nvim-tree.api\").config.mappings.default_on_attach(bufnr)";
+  };
   "test returns lua with setting value to the variable" = {
     expr = toLua (set "parser_config.d2" { });
     expected = "parser_config.d2 = {  }";