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denoland-deno/runtime
Bartek Iwańczuk 7471587d29
feat: "rejectionhandled" Web event and "rejectionHandled" Node event (#21875)
This commit adds support for "rejectionhandled" Web Event and
"rejectionHandled" Node event.

```js
import process from "node:process";

process.on("rejectionHandled", (promise) => {
  console.log("rejectionHandled", reason, promise);
});

window.addEventListener("rejectionhandled", (event) => {
  console.log("rejectionhandled", event.reason, event.promise);
});
```

---------

Co-authored-by: Matt Mastracci <matthew@mastracci.com>
2024-01-12 22:10:42 +00:00
..
examples chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
js feat: "rejectionhandled" Web event and "rejectionHandled" Node event (#21875) 2024-01-12 22:10:42 +00:00
ops fix(web): use rustyline for prompt (#21893) 2024-01-11 22:05:55 +01:00
permissions fix(ext/node): add fs.cp, fs.cpSync, promises.cp (#21745) 2024-01-05 18:28:33 +05:30
Cargo.toml chore: forward v1.39.3 to main (#21915) 2024-01-12 19:13:18 +00:00
clippy.toml feat(compile): unstable npm and node specifier support (#19005) 2023-05-10 20:06:59 -04:00
colors.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
errors.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
fmt_errors.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
fs_util.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
inspector_server.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
js.rs refactor: remove snapshotting from deno_runtime (#21794) 2024-01-10 16:30:50 +01:00
lib.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
README.md fix (doc): Typo in runtime/README.md (#20020) 2023-12-13 17:24:32 +00:00
shared.rs refactor: remove snapshotting from deno_runtime (#21794) 2024-01-10 16:30:50 +01:00
snapshot.rs fix(ext/node): add fs.cp, fs.cpSync, promises.cp (#21745) 2024-01-05 18:28:33 +05:30
tokio_util.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
web_worker.rs refactor: remove snapshotting from deno_runtime (#21794) 2024-01-10 16:30:50 +01:00
worker.rs refactor: remove snapshotting from deno_runtime (#21794) 2024-01-10 16:30:50 +01:00
worker_bootstrap.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00

deno_runtime crate

crates docs

This is a slim version of the Deno CLI which removes typescript integration and various tooling (like lint and doc). Basically only JavaScript execution with Deno's operating system bindings (ops).

Stability

This crate is built using battle-tested modules that were originally in the deno crate, however the API of this crate is subject to rapid and breaking changes.

MainWorker

The main API of this crate is MainWorker. MainWorker is a structure encapsulating deno_core::JsRuntime with a set of ops used to implement Deno namespace.

When creating a MainWorker implementors must call MainWorker::bootstrap to prepare JS runtime for use.

MainWorker is highly configurable and allows to customize many of the runtime's properties:

  • module loading implementation
  • error formatting
  • support for source maps
  • support for V8 inspector and Chrome Devtools debugger
  • HTTP client user agent, CA certificate
  • random number generator seed

Worker Web API

deno_runtime comes with support for Worker Web API. The Worker API is implemented using WebWorker structure.

When creating a new instance of MainWorker implementors must provide a callback function that is used when creating a new instance of Worker.

All WebWorker instances are descendents of MainWorker which is responsible for setting up communication with child worker. Each WebWorker spawns a new OS thread that is dedicated solely to that worker.