setup htmx to swap (or not) inner html

src/templates/index.rs

@@ -1,10 +1,21 @@
 use askama::Template;
-use axum::response::{Html, IntoResponse};
+use axum::{
+    http::HeaderMap,
+    response::{Html, IntoResponse},
+};
 
 #[derive(Template)]
 #[template(path = "index.html")]
 struct IndexTemplate;
 
-pub async fn home() -> impl IntoResponse {
-    Html(IndexTemplate.render().unwrap())
+#[derive(Template)]
+#[template(path = "partials/index.html")]
+struct IndexPartialTemplate;
+
+pub async fn home(headers: HeaderMap) -> impl IntoResponse {
+    if headers.contains_key("hx-request") {
+        Html(IndexPartialTemplate.render().unwrap())
+    } else {
+        Html(IndexTemplate.render().unwrap())
+    }
 }