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denoland-deno/cli/js.rs
Bartek Iwańczuk 05eecec2f0 perf: disable snapshot compression (#18061)
This commit disables snapshot compression for the CLI snapshot.]

Decompressing the snapshot on startup takes ~2.5ms.
2023-03-10 12:57:19 +09:00

34 lines
770 B
Rust

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use deno_core::Snapshot;
static CLI_SNAPSHOT: &[u8] =
include_bytes!(concat!(env!("OUT_DIR"), "/CLI_SNAPSHOT.bin"));
pub fn deno_isolate_init() -> Snapshot {
Snapshot::Static(CLI_SNAPSHOT)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn runtime_snapshot() {
let mut js_runtime = deno_core::JsRuntime::new(deno_core::RuntimeOptions {
startup_snapshot: Some(deno_isolate_init()),
..Default::default()
});
js_runtime
.execute_script(
"<anon>",
r#"
if (!(bootstrap.mainRuntime && bootstrap.workerRuntime)) {
throw Error("bad");
}
console.log("we have console.log!!!");
"#,
)
.unwrap();
}
}