1 files changed, 55 insertions, 0 deletions
diff --git a/js/lib.rs b/js/lib.rs
new file mode 100644
index 000000000..89688b9a5
--- /dev/null
+++ b/js/lib.rs
@@ -0,0 +1,55 @@
+pub const TS_VERSION: &str = env!("TS_VERSION");
+
+pub static CLI_SNAPSHOT: &[u8] =
+  include_bytes!(concat!(env!("OUT_DIR"), "/CLI_SNAPSHOT.bin"));
+pub static CLI_SNAPSHOT_MAP: &[u8] =
+  include_bytes!(concat!(env!("OUT_DIR"), "/CLI_SNAPSHOT.js.map"));
+pub static CLI_SNAPSHOT_DTS: &[u8] =
+  include_bytes!(concat!(env!("OUT_DIR"), "/CLI_SNAPSHOT.d.ts"));
+
+pub static COMPILER_SNAPSHOT: &[u8] =
+  include_bytes!(concat!(env!("OUT_DIR"), "/COMPILER_SNAPSHOT.bin"));
+pub static COMPILER_SNAPSHOT_MAP: &[u8] =
+  include_bytes!(concat!(env!("OUT_DIR"), "/COMPILER_SNAPSHOT.js.map"));
+pub static COMPILER_SNAPSHOT_DTS: &[u8] =
+  include_bytes!(concat!(env!("OUT_DIR"), "/COMPILER_SNAPSHOT.d.ts"));
+
+static DENO_RUNTIME: &str = include_str!("lib.deno_runtime.d.ts");
+
+/// Same as deno_typescript::get_asset but also has lib.deno_runtime.d.ts
+pub fn get_asset(name: &str) -> Option<&'static str> {
+  match name {
+    "lib.deno_runtime.d.ts" => Some(DENO_RUNTIME),
+    _ => deno_typescript::get_asset(name),
+  }
+}
+
+#[test]
+fn cli_snapshot() {
+  let mut isolate =
+    deno::Isolate::new(deno::StartupData::Snapshot(CLI_SNAPSHOT), false);
+  deno::js_check(isolate.execute(
+    "<anon>",
+    r#"
+      if (!window) {
+        throw Error("bad");
+      }
+      console.log("we have console.log!!!");
+    "#,
+  ));
+}
+
+#[test]
+fn compiler_snapshot() {
+  let mut isolate =
+    deno::Isolate::new(deno::StartupData::Snapshot(COMPILER_SNAPSHOT), false);
+  deno::js_check(isolate.execute(
+    "<anon>",
+    r#"
+      if (!compilerMain) {
+        throw Error("bad");
+      }
+      console.log(`ts version: ${ts.version}`);
+    "#,
+  ));
+}