javascript hot reload

1 files changed, 34 insertions, 0 deletions

diff --git a/ui/client-scripts/src/lib.rs b/ui/client-scripts/src/lib.rs
index 408799a..9ac96e4 100644
--- a/ui/client-scripts/src/lib.rs
+++ b/ui/client-scripts/src/lib.rs
@@ -5,9 +5,43 @@
 */
 use std::borrow::Cow;
 
+#[cfg(not(feature = "reload"))]
 pub fn js_bundle() -> Cow<'static, str> {
     include_str!(concat!(env!("OUT_DIR"), "/bundle.js")).into()
 }
+#[cfg(not(feature = "reload"))]
 pub fn js_bundle_map() -> Cow<'static, str> {
     include_str!(concat!(env!("OUT_DIR"), "/bundle.js.map")).into()
 }
+
+#[cfg(feature = "reload")]
+pub fn js_bundle() -> Cow<'static, str> {
+    use std::process::{Command, Stdio};
+
+    let proc = Command::new("esbuild")
+        .arg("ui/client-scripts/src/main.ts")
+        .arg("--bundle")
+        .arg("--target=esnext")
+        .arg("--sourcemap")
+        .arg("--format=esm")
+        .stdout(Stdio::piped())
+        .stderr(Stdio::piped())
+        .spawn()
+        .unwrap();
+
+    let output = proc.wait_with_output().unwrap();
+
+    Cow::Owned(if output.status.success() {
+        String::from_utf8(output.stdout).unwrap()
+    } else {
+        format!(
+            "console.error({:?})",
+            String::from_utf8(output.stderr).unwrap()
+        )
+    })
+}
+
+#[cfg(feature = "reload")]
+pub fn js_bundle_map() -> Cow<'static, str> {
+    Cow::Borrowed("")
+}