Merge pull request #518 from mkantor/omit-pre-whitespace-prevents-mul…

…tiline-partial-indent

Disable partial indent with leading `~`

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Change Log
 
+## [Unreleased](https://github.com/sunng87/handlebars-rust/compare/4.3.2...Unreleased) - ReleaseDate
+
+* [Fixed] Disable partial expression indentation with `{{~> partial}}` to
+  bring behavior closer in line with original javascript version. [#518]
+
 ## [4.3.2](https://github.com/sunng87/handlebars-rust/compare/4.3.1...4.3.2) - 2022-07-14
 
 * [Added] Render functions that reuse `Context` for custom `std::io::Write`:

src/partial.rs

@@ -595,6 +595,23 @@ outer third line"#,
                 .unwrap()
         );
 
+        hb.register_template_string(
+            "t4",
+            r#"{{#*inline "thepartial"}}
+  inner first line
+  inner second line
+{{/inline}}
+  {{~> thepartial}}
+outer third line"#,
+        )
+        .unwrap();
+        assert_eq!(
+            r#"  inner first line
+  inner second line
+outer third line"#,
+            hb.render("t4", &()).unwrap()
+        );
+
         let mut hb2 = Registry::new();
         hb2.set_prevent_indent(true);
 

src/template.rs

@@ -728,7 +728,10 @@ impl Template {
 
                                 // indent for partial expression >
                                 let mut indent = None;
-                                if rule == Rule::partial_expression && !options.prevent_indent {
+                                if rule == Rule::partial_expression
+                                    && !options.prevent_indent
+                                    && !exp.omit_pre_ws
+                                {
                                     indent = support::str::find_trailing_whitespace_chars(
                                         &source[..span.start()],
                                     );