forked from sheetjs/docs.sheetjs.com
39 lines
1.3 KiB
Rust
39 lines
1.3 KiB
Rust
/* run code, get result as a Rust String */
|
|
fn eval_code(scope: &mut v8::HandleScope, code: &str) -> std::string::String {
|
|
let source = v8::String::new(scope, &code).unwrap();
|
|
let script = v8::Script::compile(scope, source, None).unwrap();
|
|
let result = script.run(scope).unwrap();
|
|
return result.to_string(scope).unwrap().to_rust_string_lossy(scope);
|
|
}
|
|
|
|
|
|
fn main() {
|
|
create_snapshot();
|
|
}
|
|
|
|
fn create_snapshot() {
|
|
/* initialize */
|
|
let platform = v8::new_default_platform(0, false).make_shared();
|
|
v8::V8::initialize_platform(platform);
|
|
v8::V8::initialize();
|
|
|
|
let startup_data = {
|
|
let mut isolate = v8::Isolate::snapshot_creator(None);
|
|
{
|
|
let handle_scope = &mut v8::HandleScope::new(&mut isolate);
|
|
let context = v8::Context::new(handle_scope);
|
|
let context_scope = &mut v8::ContextScope::new(handle_scope, context);
|
|
|
|
/* load library */
|
|
{
|
|
let script = std::fs::read_to_string("./xlsx.full.min.js").expect("Error reading xlsx.full.min.js");
|
|
let _result = eval_code(context_scope, &script);
|
|
}
|
|
context_scope.set_default_context(context);
|
|
}
|
|
isolate.create_blob(v8::FunctionCodeHandling::Clear).unwrap()
|
|
};
|
|
let blob: Vec<u8> = startup_data.to_vec();
|
|
std::fs::write("snapshot.bin", blob).unwrap();
|
|
}
|