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denoland-deno/runtime
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Aaron O'Mullan 83bece56b0
refactor(core): move op cache sync responsibility to rust space (#10340) 
Even if bootstrapping the JS runtime is low level, it's an abstraction leak of 
core to require users to call `Deno.core.ops()` in JS space.

So instead we're introducing a `JsRuntime::sync_ops_cache()` method, 
once we have runtime extensions a new runtime will ensure the ops 
cache is setup (for the provided extensions) and then loading/unloading 
plugins should be the only operations that require op cache syncs
2021-04-25 22:00:05 +02:00
..
examples chore: update copyright headers (#10243) 2021-04-20 14:27:36 +09:00
js refactor(core): move op cache sync responsibility to rust space (#10340) 2021-04-25 22:00:05 +02:00
ops fix: do not panic on not found cwd (#10238) 2021-04-21 17:52:00 +02:00
build.rs refactor: move timers to deno_timers op crate (#10179) 2021-04-14 21:10:48 +02:00
Cargo.toml chore: release crates (#10327) 2021-04-23 15:05:12 +02:00
colors.rs remove macro_use (#9884) 2021-03-26 12:34:25 -04:00
errors.rs chore: release crates (#10269) 2021-04-21 00:15:39 +02:00
fs_util.rs fix: do not panic on not found cwd (#10238) 2021-04-21 17:52:00 +02:00
inspector.rs runtime/inspector: pretend to be node (#10115) 2021-04-10 13:12:59 -04:00
js.rs remove macro_use (#9884) 2021-03-26 12:34:25 -04:00
lib.rs refactor: add deno_file op crate (#10019) 2021-04-06 12:55:05 +02:00
metrics.rs refactor: new optimized op-layer using serde_v8 (#9843) 2021-03-31 10:37:38 -04:00
permissions.rs refactor: move timers to deno_timers op crate (#10179) 2021-04-14 21:10:48 +02:00
README.md chore: fix decendents in runtime readme (#9718) 2021-03-08 13:23:46 +01:00
resolve_addr.rs update copyright to 2021 (#9081) 2021-01-10 21:59:07 -05:00
tokio_util.rs upgrade: tokio 1.0 (#8779) 2021-01-11 23:50:02 -08:00
web_worker.rs refactor(core): move op cache sync responsibility to rust space (#10340) 2021-04-25 22:00:05 +02:00
worker.rs refactor(core): move op cache sync responsibility to rust space (#10340) 2021-04-25 22:00:05 +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.