43 lines
1.4 KiB
Rust
43 lines
1.4 KiB
Rust
/*! sheetjs (C) SheetJS -- https://sheetjs.com */
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/* run code and ignore result */
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fn eval_code(scope: &mut v8::HandleScope, code: &str) {
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let source = v8::String::new(scope, code).unwrap();
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let script = v8::Script::compile(scope, source, None).unwrap();
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let _ = script.run(scope);
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}
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fn main() {
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/* initialize */
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let platform = v8::new_default_platform(0, false).make_shared();
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v8::V8::initialize_platform(platform);
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v8::V8::initialize();
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/* use SnapshotCreator */
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let mut isolate = v8::Isolate::snapshot_creator(None);
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/* scope enforces the lifetime of the `&mut isolate` in `handle_scope` */
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{
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/* same steps as normal flow */
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let handle_scope = &mut v8::HandleScope::new(&mut isolate);
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let context = v8::Context::new(handle_scope);
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let context_scope = &mut v8::ContextScope::new(handle_scope, context);
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/* instructs the snapshot creator to dump the new context */
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context_scope.set_default_context(context);
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/* load scripts */
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let scripts = vec!["./xlsx.full.min.js", "./xlsx.zahl.js"];
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for path in &scripts {
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let script = std::fs::read_to_string(path).unwrap_or_else(|_| panic!("Error reading {}", path));
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eval_code(context_scope, &script);
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}
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};
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/* create snapshot */
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let startup_data = isolate.create_blob(v8::FunctionCodeHandling::Clear).unwrap();
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/* write to snapshot.bin */
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let blob: Vec<u8> = startup_data.to_vec();
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std::fs::write("snapshot.bin", blob).unwrap();
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}
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