Fix block override

ptmt · ptmt · commit ae4e59ebeb8b · 2025-12-30T17:17:45.000+01:00
diff --git a/src/com/potomushto/statik/template/helpers/BlockHelperRegistrar.kt b/src/com/potomushto/statik/template/helpers/BlockHelperRegistrar.kt
@@ -15,8 +15,6 @@ class BlockHelperRegistrar : HandlebarsHelperRegistrar {
             } ?: return@Helper options.fn(options.context) ?: ""
 
             val overrideContent = blocks?.get(blockName)
-                ?.filter { it.isNotBlank() }
-                ?.takeIf { it.isNotEmpty() }
                 ?.joinToString(separator = "") { it }
 
             if (overrideContent != null) {
diff --git a/test/kotlin/com/potomushto/statik/template/HandlebarsTemplateEngineTest.kt b/test/kotlin/com/potomushto/statik/template/HandlebarsTemplateEngineTest.kt
@@ -188,5 +188,36 @@ class HandlebarsTemplateEngineTest {
         assertTrue(normalizedHtml.contains("<main>Fallback</main>"))
     }
 
+    @Test
+    fun `block helper allows overriding with empty content`() {
+        val layout = templatesDir.resolve("layouts/default.hbs")
+        Files.createDirectories(layout.parent)
+        Files.writeString(
+            layout,
+            """
+            <html>
+              <body>
+                {{{content}}}
+                {{#block "footer"}}<footer>Default footer</footer>{{/block}}
+              </body>
+            </html>
+            """.trimIndent()
+        )
+
+        val template = """
+            <main>{{body}}</main>
+            {{#content "footer"}}{{/content}}
+        """.trimIndent()
+
+        val html = engine.renderWithLayout(template, mapOf(
+            "layout" to "default",
+            "body" to "Page body"
+        ))
+
+        val normalizedHtml = html.normalizeQuotes()
+        assertTrue(normalizedHtml.contains("<main>Page body</main>"))
+        assertFalse(normalizedHtml.contains("Default footer"))
+    }
+
     private fun String.normalizeQuotes(): String = this.replace("\\\"", "\"")
 }
