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denoland-deno/core
Bartek Iwańczuk 40134ffc99
refactor(core): rename pending_promise_exception to pending_promise_rejection (#17441)
These are technically rejections - a rejection can then raise an
exception.
2023-01-16 15:19:04 +00:00
..
examples fix(npm): allow to read package.json if permissions are granted (#17209) 2023-01-10 14:35:44 +01:00
00_primordials.js fix(core): Add Generator and AsyncGenerator to promordials (#17241) 2023-01-15 04:26:05 +00:00
01_core.js chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
02_error.js chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
async_cancel.rs refactor(cli,core,ext,rt): remove some unnecessary clone or malloc (#17274) 2023-01-05 14:29:50 -05:00
async_cell.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
bindings.rs refactor(core): rename pending_promise_exception to pending_promise_rejection (#17441) 2023-01-16 15:19:04 +00:00
Cargo.toml chore: forward 1.29.3 release back to main (#17401) 2023-01-13 13:36:51 -05:00
encode_decode_test.js chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
error.rs refactor(core): Move optional callbacks from JsRuntimeState to ContextState (#17422) 2023-01-15 09:09:00 +05:30
error_builder_test.js chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
error_codes.rs chore: add copyright_checker tool and add the missing copyright (#17285) 2023-01-13 16:51:32 +09:00
extensions.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-14 23:18:58 -05:00
flags.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
gotham_state.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
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) 2023-01-02 21:00:42 +00:00
internal.d.ts fix(core): Add Generator and AsyncGenerator to promordials (#17241) 2023-01-15 04:26:05 +00:00
io.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
lib.deno_core.d.ts chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
lib.rs refactor: clean up unwrap and clone (#17282) 2023-01-15 09:36:46 +05:30
module_specifier.rs refactor: clean up unwrap and clone (#17282) 2023-01-15 09:36:46 +05:30
modules.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-14 23:18:58 -05:00
normalize_path.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
ops.rs feat(core): Reland support for async ops in realms (#17204) 2023-01-14 14:40:16 +01:00
ops_builtin.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-14 23:18:58 -05:00
ops_builtin_v8.rs refactor(core): rename pending_promise_exception to pending_promise_rejection (#17441) 2023-01-16 15:19:04 +00:00
ops_metrics.rs chore: use rustfmt imports_granularity option (#17421) 2023-01-14 23:18:58 -05:00
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) 2023-01-02 21:00:42 +00:00
runtime.rs refactor(core): rename pending_promise_exception to pending_promise_rejection (#17441) 2023-01-16 15:19:04 +00:00
serialize_deserialize_test.js chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
snapshot_util.rs chore: add copyright_checker tool and add the missing copyright (#17285) 2023-01-13 16:51:32 +09:00
source_map.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00

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.