Fix indent inheritance issue

Text/Mustache/Render.hs

@@ -131,13 +131,15 @@ outputIndent = asks rcIndent >>= outputRaw . buildIndent
 {-# INLINE outputIndent #-}
 
 -- | Output piece of strict 'Text' with added indentation.
+-- TODO: Maybe we need to rework the outputIndented implementation
+--       to add the indentation without the use of \n
 outputIndented :: Text -> Render ()
 outputIndented txt = do
   level <- asks rcIndent
   lnode <- asks rcLastNode
   let f x = outputRaw (T.replace "\n" ("\n" <> buildIndent level) x)
   if lnode && T.isSuffixOf "\n" txt
-    then f (T.init txt) >> outputRaw "\n"
+    then f (T.init txt) >> outputRaw "\n" >> outputIndent -- TODO: This solves the issue with the indentation. However, now the programs output does not end with newline
     else f txt
 {-# INLINE outputIndented #-}
 

cabal.project

@@ -1,4 +1,5 @@
 packages: .
+        example/
 tests: True
 benchmarks: True
 constraints: stache +dev

example/CHANGELOG.md

@@ -0,0 +1,5 @@
+# Revision history for example
+
+## 0.1.0.0 -- YYYY-mm-dd
+
+* First version. Released on an unsuspecting world.

example/LICENSE

@@ -0,0 +1,29 @@
+Copyright (c) 2025, William R. Arellano
+
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of the copyright holder nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

example/app/Main.hs

@@ -0,0 +1,17 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Main (main) where
+
+import Data.Aeson
+import Data.Text
+import qualified Data.Text.Lazy.IO as TIO
+import Text.Mustache
+
+main :: IO ()
+main = do
+  template <- compileMustacheDir "main" "templates"
+  TIO.putStr $
+    renderMustache template $
+      object
+        [ "subnets" .= ["pen" :: Text, "candle", "egg"]
+        ]

example/example.cabal

@@ -0,0 +1,29 @@
+cabal-version:      3.0
+name:               example
+version:            0.1.0.0
+-- synopsis:
+-- description:
+license:            BSD-3-Clause
+license-file:       LICENSE
+author:             William R. Arellano
+maintainer:         [email protected]
+-- copyright:
+build-type:         Simple
+extra-doc-files:    CHANGELOG.md
+-- extra-source-files:
+
+common warnings
+    ghc-options: -Wall
+
+executable example
+    import:           warnings
+    main-is:          Main.hs
+    -- other-modules:
+    -- other-extensions:
+    build-depends:    base >=4.15 && <5
+                    , aeson
+                    , text
+                    , megaparsec
+                    , stache
+    hs-source-dirs:   app
+    default-language: Haskell2010

example/templates/main.mustache

@@ -0,0 +1,2 @@
+Subnets:
+  {{> myPartial}}

example/templates/myPartial.mustache

@@ -0,0 +1,4 @@
+{{#subnets}}
+- {{ . }}
+"Test string"
+{{/subnets}}