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denoland-deno/runtime
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Nayeem Rahman 2f2302ed70 fix(runtime/js/workers): throw errors instead of using an op (#12249)
2021-10-04 11:55:23 -04:00
..
examples fix(core): prevent multiple main module loading (#12128) 2021-09-18 03:44:53 +02:00
js fix(runtime/js/workers): throw errors instead of using an op (#12249) 2021-10-04 11:55:23 -04:00
ops fix(runtime/js/workers): throw errors instead of using an op (#12249) 2021-10-04 11:55:23 -04:00
build.rs feat(fetch): mTLS client certificates for fetch() (#11721) 2021-08-25 14:25:12 +02:00
Cargo.toml chore: bump crate versions for 1.14.2 (#12253) 2021-09-28 12:19:03 +02:00
colors.rs refactor: Remove duplicated colors.rs file (#11990) 2021-09-12 12:04:17 -04:00
errors.rs chore: upgrade Rust to 1.55.0 (#11965) 2021-09-09 21:15:21 -04:00
fs_util.rs fix: do not panic on not found cwd (#10238) 2021-04-21 17:52:00 +02:00
inspector_server.rs refactor: cleanup Inspector and InspectorServer implementations (#11837) 2021-08-25 13:39:23 +02:00
js.rs refactor: unify JavaScript script execution method (#11043) 2021-06-22 01:45:41 +02:00
lib.rs feat(tls): Optionally support loading native certs (#11491) 2021-08-07 14:49:38 +02:00
metrics.rs Remove various unnecessary allow(clippy) declarations (#10971) 2021-06-15 19:22:28 +02:00
permissions.rs fix: worker environment permissions should accept an array (#12250) 2021-10-04 11:54:53 -04:00
README.md chore: fix decendents in runtime readme (#9718) 2021-03-08 13:23:46 +01:00
tokio_util.rs refactor: Remove unused code (#12210) 2021-09-25 00:35:35 +02:00
web_worker.rs fix(runtime/js/workers): throw errors instead of using an op (#12249) 2021-10-04 11:55:23 -04:00
worker.rs chore(runtime): minor comment improvement (#12191) 2021-09-24 22:25:45 +02:00

README.md

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 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.