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denoland-deno/core
Bartek Iwańczuk 1054723a4b
feat(serde_v8): better error output (#18815)
The type that was received is now printed as part of a message.
2023-04-27 02:12:39 +02:00
..
examples refactor(core): Improve ergonomics of managing ASCII strings (#18498) 2023-04-04 06:46:31 -06:00
00_primordials.js fix(core): Wrap safe collections' argument of primordials (#18750) 2023-04-26 00:36:22 +02:00
01_core.js refactor: don't expose Deno[Deno.internal].core namespace (#18816) 2023-04-26 19:57:38 +02:00
02_error.js fix(core): Add lint check for core (#17223) 2023-01-26 16:56:42 +05:30
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
bindings.rs refactor(core): remove ops from Deno.core.ops that are disabled (#18793) 2023-04-21 15:22:45 +02:00
Cargo.toml chore: forward v1.32.5 release commit to main (#18758) 2023-04-18 22:20:49 +02:00
encode_decode_test.js chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
error.rs refactor(core): store v8::Global<v8::Context> in an Rc (#18749) 2023-04-19 00:52:12 +02:00
error_builder_test.js chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
error_codes.rs fix: add WouldBlock error (#17339) 2023-02-12 23:14:33 +01:00
extensions.rs chore(ext/fs): decouple fs trait from deno_core (#18732) 2023-04-17 16:10:59 +02:00
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
icudtl.dat chore: upgrade rusty_v8 to 0.62.2 (#17604) 2023-02-07 13:36:41 +01:00
inspector.rs chore: upgrade rusty_v8 to 0.62.2 (#17604) 2023-02-07 13:36:41 +01:00
internal.d.ts chore: Turn back on dlintPreferPrimordials (#17715) 2023-04-02 19:41:41 +02:00
io.rs feat(ext/http): Rework Deno.serve using hyper 1.0-rc3 (#18619) 2023-04-22 11:48:21 -06:00
lib.deno_core.d.ts feat(core): sync io ops in core (#18603) 2023-04-06 00:14:16 +02:00
lib.rs refactor(core): simplify op types and codegeneration (#18843) 2023-04-26 20:02:27 +02:00
module_specifier.rs refactor: deno_core not using std::env::current_dir (#18173) 2023-03-14 16:47:09 -04:00
modules.rs refactor(core): Improve ergonomics of managing ASCII strings (#18498) 2023-04-04 06:46:31 -06:00
normalize_path.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
ops.rs refactor(core): simplify op types and codegeneration (#18843) 2023-04-26 20:02:27 +02:00
ops_builtin.rs bench: add benchmark for deferred async ops (#18722) 2023-04-16 19:47:06 +00:00
ops_builtin_v8.rs refactor(core): store v8::Global<v8::Context> in an Rc (#18749) 2023-04-19 00:52:12 +02:00
ops_metrics.rs refactor(core): simplify op types and codegeneration (#18843) 2023-04-26 20:02:27 +02:00
README.md docs(core): fix example link (#18731) 2023-04-18 17:08:19 +09:00
realm.rs refactor(core): remove PhantomData from IdentityHasher (#18770) 2023-04-19 17:35:02 -04:00
resources.rs feat(core): sync io ops in core (#18603) 2023-04-06 00:14:16 +02:00
runtime.rs feat(serde_v8): better error output (#18815) 2023-04-27 02:12:39 +02:00
serialize_deserialize_test.js chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
snapshot_util.rs Reland "perf(core): preserve ops between snapshots (#18080)" (#18272) 2023-03-18 18:30:04 -04:00
source_map.rs chore: update copyright year to 2023 (#17247) 2023-01-02 21:00:42 +00:00
task_queue.rs refactor: remove Semaphore::new(1) and use TaskQueue (#18014) 2023-03-04 20:07:11 -05:00

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.