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Code Issues Packages 1 Wiki Activity

feat(runtime): support creating workers with custom v8 snapshots (#16553)

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This PR makes it possible for applications to create workers from custom
snapshots to improve runtime performance (without having to fork/copy
`runtime/workers.rs`).
This commit is contained in:
Mathias Lafeldt 2022-11-10 12:46:26 +01:00 committed by GitHub
parent 7bd2c607dd
commit 92764c0dec
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 12 additions and 1 deletions
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1
cli/standalone.rs
View file

@ -287,6 +287,7 @@ pub async fn run(
inspect: ps.options.is_inspecting(),
},
extensions: ops::cli_exts(ps.clone()),
startup_snapshot: None,
unsafely_ignore_certificate_errors: metadata
.unsafely_ignore_certificate_errors,
root_cert_store: Some(root_cert_store),

1
cli/worker.rs
View file

@ -430,6 +430,7 @@ pub async fn create_main_worker(
inspect: ps.options.is_inspecting(),
},
extensions,
startup_snapshot: None,
unsafely_ignore_certificate_errors: ps
.options
.unsafely_ignore_certificate_errors()

1
runtime/examples/hello_runtime.rs
View file

@ -43,6 +43,7 @@ async fn main() -> Result<(), AnyError> {
inspect: false,
},
extensions: vec![],
startup_snapshot: None,
unsafely_ignore_certificate_errors: None,
root_cert_store: None,
seed: None,

10
runtime/worker.rs
View file

@ -27,6 +27,7 @@ use deno_core::ModuleLoader;
use deno_core::ModuleSpecifier;
use deno_core::RuntimeOptions;
use deno_core::SharedArrayBufferStore;
use deno_core::Snapshot;
use deno_core::SourceMapGetter;
use deno_node::RequireNpmResolver;
use deno_tls::rustls::RootCertStore;
@ -74,6 +75,7 @@ pub struct MainWorker {
pub struct WorkerOptions {
pub bootstrap: BootstrapOptions,
pub extensions: Vec<Extension>,
pub startup_snapshot: Option<Snapshot>,
pub unsafely_ignore_certificate_errors: Option<Vec<String>>,
pub root_cert_store: Option<RootCertStore>,
pub seed: Option<u64>,
@ -135,6 +137,7 @@ impl Default for WorkerOptions {
npm_resolver: Default::default(),
blob_store: Default::default(),
extensions: Default::default(),
startup_snapshot: Default::default(),
bootstrap: Default::default(),
stdio: Default::default(),
}
@ -242,7 +245,11 @@ impl MainWorker {
let mut js_runtime = JsRuntime::new(RuntimeOptions {
module_loader: Some(options.module_loader.clone()),
startup_snapshot: Some(js::deno_isolate_init()),
startup_snapshot: Some(
options
.startup_snapshot
.unwrap_or_else(js::deno_isolate_init),
),
source_map_getter: options.source_map_getter,
get_error_class_fn: options.get_error_class_fn,
shared_array_buffer_store: options.shared_array_buffer_store.clone(),
@ -562,6 +569,7 @@ mod tests {
inspect: false,
},
extensions: vec![],
startup_snapshot: None,
unsafely_ignore_certificate_errors: None,
root_cert_store: None,
seed: None,