feat: Exposing the rsync that we have to the js (#1907)

chore: Make the commit do by checksum.

chore: Remove the logging at the start

chore: use the defaults of the original.

chore: Convert the error into just the source.

chore: Remove some of the unwraps

libs/snapshot_creator/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "snapshot_creator"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+dashmap = "5.3.4"
+deno_core = "=0.136.0"
+deno_ast = { version = "=0.15.0", features = ["transpiling"] }

libs/snapshot_creator/src/main.rs

@@ -0,0 +1,14 @@
+use deno_core::{JsRuntime, RuntimeOptions};
+
+fn main() {
+    let mut runtime = JsRuntime::new(RuntimeOptions {
+        will_snapshot: true,
+        ..Default::default()
+    });
+    let snapshot = runtime.snapshot();
+
+    let snapshot_slice: &[u8] = &*snapshot;
+    println!("Snapshot size: {}", snapshot_slice.len());
+
+    std::fs::write("JS_SNAPSHOT.bin", snapshot_slice).unwrap();
+}