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denoland-deno/runtime
Matt Mastracci c9a9d040a3
perf(permissions): Fast exit from checks when permission is in "fully-granted" state (#22894)
Skips the access check if the specific unary permission is in an
all-granted state. Generally prevents an allocation or two.

Hooks up a quiet "all" permission that is automatically inherited. This
permission will be used in the future to indicate that the user wishes
to accept all side-effects of the permissions they explicitly granted.

The "all" permission is an "ambient flag"-style permission that states
whether "allow-all" was passed on the command-line.
2024-03-13 14:30:48 -06:00
..
examples chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
js fix(ext/node): make worker ids sequential (#22884) 2024-03-13 19:52:53 +00:00
ops fix(ext/node): make worker ids sequential (#22884) 2024-03-13 19:52:53 +00:00
permissions perf(permissions): Fast exit from checks when permission is in "fully-granted" state (#22894) 2024-03-13 14:30:48 -06:00
Cargo.toml refactor: add deno_permissions crate (#22236) 2024-03-12 10:42:26 -07:00
clippy.toml feat(compile): unstable npm and node specifier support (#19005) 2023-05-10 20:06:59 -04:00
errors.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
fmt_errors.rs refactor: extract out runtime::colors to deno_terminal::colors (#22324) 2024-02-07 11:25:14 -05:00
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 refactor: add deno_permissions crate (#22236) 2024-03-12 10:42:26 -07:00
permissions.rs refactor: add deno_permissions crate (#22236) 2024-03-12 10:42:26 -07:00
README.md fix (doc): Typo in runtime/README.md (#20020) 2023-12-13 17:24:32 +00:00
shared.rs fix: Provide source map for internal extension code (#22716) 2024-03-06 14:17:49 +01:00
snapshot.rs refactor: add deno_permissions crate (#22236) 2024-03-12 10:42:26 -07:00
tokio_util.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
web_worker.rs fix(ext/node): make worker ids sequential (#22884) 2024-03-13 19:52:53 +00:00
worker.rs fix(ext/node): allow automatic worker_thread termination (#22647) 2024-03-13 17:22:25 +00:00
worker_bootstrap.rs fix(ext/node): allow automatic worker_thread termination (#22647) 2024-03-13 17:22:25 +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.