fix: concat expression inside html attribute value

Close GH-110
zackad · Jan 4, 2025 · 757f7de · 757f7de
1 parent 51f1014
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## unreleased
 
+### Bugfix
+- [GH-110](https://github.com/zackad/prettier-plugin-twig/issues/90) Fix regression when parsing concatenation expression inside html attribute value
+
 ### Internals
 - DX: Don't use alias to export print function to make it easier to identify when debugging call stack
 

diff --git a/src/melody/melody-parser/Lexer.js b/src/melody/melody-parser/Lexer.js
@@ -578,6 +578,9 @@ export default class Lexer {
             if (c === "\\" && input.la(1) === start) {
                 input.next();
                 input.next();
+            } else if (c === "{" && input.la(1) === "{") {
+                // interpolation start
+                break;
             } else if (c === start) {
                 break;
             } else {

diff --git a/tests/Element/__snapshots__/attributes.snap.twig b/tests/Element/__snapshots__/attributes.snap.twig
@@ -1,3 +1,6 @@
+{# https://github.com/zackad/prettier-plugin-twig/issues/110 #}
+<section class="sm:p-0 p-0 text-{{ i }}"></section>
+
 <a href="#abcd" target="_blank" lang="en">Link</a>
 
 <fantasy

diff --git a/tests/Element/attributes.twig b/tests/Element/attributes.twig
@@ -1,3 +1,6 @@
+{# https://github.com/zackad/prettier-plugin-twig/issues/110 #}
+<section class="sm:p-0 p-0 text-{{ i }}"></section>
+
 <a href="#abcd"  target="_blank"   lang="en" >Link</a>
 
 <fantasy {{ {