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denoland-deno/core
Divy Srivastava 9be8f61f52
chore: use rustfmt imports_granularity option (#17421)
Closes https://github.com/denoland/deno/issues/2699
Closes https://github.com/denoland/deno/issues/2347

Uses unstable rustfmt features. Since dprint invokes `rustfmt` we do not
need to switch the cargo toolchain to nightly. Do we care about
formatting stability of our codebase across Rust versions? (I don't)
2023-01-16 21:35:00 +01:00
..
examples fix(npm): allow to read package.json if permissions are granted (#17209) 2023-01-13 11:20:14 -05:00
00_primordials.js chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
01_core.js chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
02_error.js chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
async_cancel.rs refactor(cli,core,ext,rt): remove some unnecessary clone or malloc (#17274) 2023-01-13 11:20:11 -05:00
async_cell.rs chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
bindings.rs refactor(core): Move optional callbacks from JsRuntimeState to ContextState (#17422) 2023-01-16 21:35:00 +01:00
Cargo.toml 1.29.3 (#17395) 2023-01-13 12:17:13 -05:00
encode_decode_test.js chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
error.rs refactor(core): Move optional callbacks from JsRuntimeState to ContextState (#17422) 2023-01-16 21:35:00 +01:00
error_builder_test.js chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
error_codes.rs chore: add copyright_checker tool and add the missing copyright (#17285) 2023-01-13 11:20:20 -05:00
extensions.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-16 21:35:00 +01:00
flags.rs chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
gotham_state.rs chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
icudtl.dat chore: upgrade rusty_v8 to 0.43.1 (#14713) 2022-05-26 13:13:01 +02:00
inspector.rs chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
internal.d.ts chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
io.rs chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
lib.deno_core.d.ts chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
lib.rs refactor: clean up unwrap and clone (#17282) 2023-01-16 21:35:00 +01:00
module_specifier.rs refactor: clean up unwrap and clone (#17282) 2023-01-16 21:35:00 +01:00
modules.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-16 21:35:00 +01:00
normalize_path.rs chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
ops.rs feat(core): Reland support for async ops in realms (#17204) 2023-01-16 21:34:15 +01:00
ops_builtin.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-16 21:35:00 +01:00
ops_builtin_v8.rs refactor(core): Move optional callbacks from JsRuntimeState to ContextState (#17422) 2023-01-16 21:35:00 +01:00
ops_metrics.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-16 21:35:00 +01:00
README.md chore(core): remove core.opSync (#16379) 2022-10-21 19:35:23 +05:30
resources.rs chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
runtime.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-16 21:35:00 +01:00
serialize_deserialize_test.js chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00
snapshot_util.rs chore: add copyright_checker tool and add the missing copyright (#17285) 2023-01-13 11:20:20 -05:00
source_map.rs chore: update copyright year to 2023 (#17247) 2023-01-05 13:05:49 +01:00

Deno Core Crate

crates docs

The main dependency of this crate is rusty_v8, which provides the V8-Rust bindings.

This Rust crate contains the essential V8 bindings for Deno's command-line interface (Deno CLI). The main abstraction here is the JsRuntime which provides a way to execute JavaScript.

The JsRuntime implements an event loop abstraction for the executed code that keeps track of all pending tasks (async ops, dynamic module loads). It is user's responsibility to drive that loop by using JsRuntime::run_event_loop method - it must be executed in the context of Rust's future executor (eg. tokio, smol).

Rust functions can be registered in JavaScript using deno_core::Extension. Use the Deno.core.ops.op_name() and Deno.core.opAsync("op_name", ...) functions to trigger the op function callback. A conventional way to write ops is using the deno_ops crate.

Documentation for this crate is thin at the moment. Please see hello_world.rs and http_bench_json_ops.rs as examples of usage.

TypeScript support and lots of other functionality are not available at this layer. See the CLI for that.