Initial Release

crates/obscura-js/build.rs

@@ -0,0 +1,38 @@
+use std::path::PathBuf;
+
+fn main() {
+    println!("cargo:rerun-if-changed=js/bootstrap.js");
+    println!("cargo:rerun-if-changed=build.rs");
+
+    let out_dir = PathBuf::from(std::env::var("OUT_DIR").unwrap());
+    let snapshot_path = out_dir.join("OBSCURA_SNAPSHOT.bin");
+
+    let bootstrap_js = include_str!("js/bootstrap.js");
+
+    let output = deno_core::snapshot::create_snapshot(
+        deno_core::snapshot::CreateSnapshotOptions {
+            cargo_manifest_dir: env!("CARGO_MANIFEST_DIR"),
+            startup_snapshot: None,
+            skip_op_registration: true,
+            extensions: vec![],
+            extension_transpiler: None,
+            with_runtime_cb: Some(Box::new(move |runtime| {
+                runtime
+                    .execute_script("<obscura:bootstrap>", bootstrap_js.to_string())
+                    .expect("bootstrap.js should not fail during snapshot creation");
+            })),
+        },
+        None,
+    )
+    .expect("Failed to create V8 snapshot");
+
+    std::fs::write(&snapshot_path, &*output.output).expect("Failed to write snapshot");
+    println!(
+        "cargo:rustc-env=OBSCURA_SNAPSHOT_PATH={}",
+        snapshot_path.display()
+    );
+
+    for file in &output.files_loaded_during_snapshot {
+        println!("cargo:rerun-if-changed={}", file.display());
+    }
+}