Merge branch 'main' into bm/format-nodejs-supports-range-formatting

pkgs/modules/go/default.nix

@@ -8,7 +8,7 @@ let
   };
   run-gofmt = pkgs.writeShellApplication {
     name = "run-gofmt";
-    runtimeInputs = [ pkgs.bash ];
+    runtimeInputs = [ pkgs.bash go ];
     extraShellCheckFlags = [ "-x" ];
     text = ''
       #!/bin/bash
@@ -30,6 +30,21 @@ let
       # Execute the command
       gofmt "''${gofmt_args[@]}"
     '';
+    checkPhase = ''
+      cat > main.go << EOF
+      package   main
+
+      func    main (  ){
+      fmt.Println(  "hello world"  )
+      }
+      EOF
+      $out/bin/run-gofmt -f main.go > output.go
+      printf 'package main\n\nfunc main() {\n\tfmt.Println("hello world")\n}\n'> expected.go
+      if ! diff expected.go output.go; then
+        echo "format output doesn't match expectation"
+        exit 1
+      fi
+    '';
   };
 
 in

pkgs/modules/nodejs/default.nix

@@ -70,6 +70,17 @@ let
       # Resolve to first prettier in path
       prettier "''${prettier_args[@]}"
     '';
+    checkPhase = ''
+      cat > index.ts << EOF
+      function foo() { return 10}
+      EOF
+      $out/bin/run-prettier -f index.ts > output.ts
+      printf 'function foo() {\n\treturn 10;\n}\n'> expected.ts
+      if ! diff expected.ts output.ts; then
+        echo "format output doesn't match expectation"
+        exit 1
+      fi
+    '';
   };