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denoland-deno/core
2023-06-24 07:30:41 +00:00
..
examples refactor(serde_v8): split ZeroCopyBuf into JsBuffer and ToJsBuffer (#19566) 2023-06-22 23:37:56 +02:00
modules refactor(core): some runtime methods should live on the module map (#19502) 2023-06-14 16:45:59 +00:00
runtime fix(serde_v8): Do not coerce values in serde_v8 (#19569) 2023-06-23 12:52:48 +02:00
00_primordials.js Revert "refactor(core): cleanup feature flags for js source inclusion… (#19490) 2023-06-13 22:36:16 +00:00
01_core.js perf: don't run microtask checkpoint if macrotask callback did no work (#19492) 2023-06-14 16:21:06 +02:00
02_error.js Revert "refactor(core): cleanup feature flags for js source inclusion… (#19490) 2023-06-13 22:36:16 +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 docs: fix minor typo in AsyncRefCell comment (#17732) 2023-02-11 02:11:16 +00:00
Cargo.toml chore: forward v1.34.3 release commit to main (#19526) 2023-06-16 01:55:31 +02:00
error.rs refactor(core): some runtime methods should live on the module map (#19502) 2023-06-14 16:45:59 +00:00
error_codes.rs fix: add WouldBlock error (#17339) 2023-02-12 23:14:33 +01:00
extensions.rs Revert "refactor(core): cleanup feature flags for js source inclusion… (#19490) 2023-06-13 22:36:16 +00:00
fast_string.rs refactor(core): Improve ergonomics of managing ASCII strings (#18498) 2023-04-04 06:46:31 -06:00
flags.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
gotham_state.rs Revert "feat(core): prevent isolate drop for CLI main worker (#18059)" (#18157) 2023-03-13 12:58:17 +00:00
inspector.rs Revert "refactor(core): cleanup feature flags for js source inclusion… (#19490) 2023-06-13 22:36:16 +00:00
internal.d.ts refactor(core): Use ObjectHasOwn instead of ObjectPrototypeHasOwnProperty (#18952) 2023-05-02 12:15:45 +02:00
io.rs refactor: remove remaining references to ZeroCopyBuf (#19598) 2023-06-24 07:30:41 +00:00
lib.deno_core.d.ts perf(core): async op pseudo-codegen and performance work (#18887) 2023-04-30 08:50:24 +00:00
lib.rs refactor(serde_v8): split ZeroCopyBuf into JsBuffer and ToJsBuffer (#19566) 2023-06-22 23:37:56 +02:00
module_specifier.rs refactor: deno_core not using std::env::current_dir (#18173) 2023-03-14 16:47:09 -04:00
normalize_path.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
ops.rs refactor(core): Remove MaybeDone from ops to eventually remove the box (#19508) 2023-06-14 16:22:54 -06:00
ops_builtin.rs refactor(serde_v8): split ZeroCopyBuf into JsBuffer and ToJsBuffer (#19566) 2023-06-22 23:37:56 +02:00
ops_builtin_v8.rs refactor(serde_v8): split ZeroCopyBuf into JsBuffer and ToJsBuffer (#19566) 2023-06-22 23:37:56 +02:00
ops_metrics.rs refactor(core): simplify op types and codegeneration (#18843) 2023-04-26 20:02:27 +02:00
path.rs fix(npm): canonicalize filename before returning (#18948) 2023-05-02 02:35:33 +02:00
README.md docs(core): fix example link (#18731) 2023-04-18 17:08:19 +09:00
resources.rs refactor(ext/fs): boxed deno_fs::FileSystem (#18945) 2023-05-04 14:28:42 -04:00
source_map.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
task.rs fix(runtime): Box the main future to avoid blowing up the stack (#19155) 2023-05-17 15:49:57 -06:00
task_queue.rs refactor(core): bake single-thread assumptions into spawn/spawn_blocking (#19056) 2023-05-14 15:40:01 -06:00

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/main.rs as examples of usage.

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