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use deno_core::Snapshot;
use log::debug;
use once_cell::sync::Lazy;
pub static CLI_SNAPSHOT: Lazy<Box<[u8]>> = Lazy::new(
#[allow(clippy::uninit_vec)]
#[cold]
#[inline(never)]
|| {
static COMPRESSED_CLI_SNAPSHOT: &[u8] =
include_bytes!(concat!(env!("OUT_DIR"), "/CLI_SNAPSHOT.bin"));
let size =
u32::from_le_bytes(COMPRESSED_CLI_SNAPSHOT[0..4].try_into().unwrap())
as usize;
let mut vec = Vec::with_capacity(size);
unsafe {
vec.set_len(size);
}
lzzzz::lz4::decompress(&COMPRESSED_CLI_SNAPSHOT[4..], &mut vec).unwrap();
vec.into_boxed_slice()
},
);
pub fn deno_isolate_init() -> Snapshot {
debug!("Deno isolate init with snapshots.");
Snapshot::Static(&*CLI_SNAPSHOT)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn cli_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();
}
}