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denoland-deno/core
Bartek Iwańczuk 4a17c93088
feat: add --inspect-wait flag (#17001)
This commit adds new "--inspect-wait" flag which works similarly
to "--inspect-brk" in that it waits for inspector session to be
established before running code. However it doesn't break on the first
statement of user code, but instead runs it as soon as a session
is established.
2022-12-12 15:33:30 +01:00
..
examples feat(ops): fast calls for Wasm (#16776) 2022-11-27 19:24:28 +05:30
00_primordials.js fix(core): fix APIs not to be affected by Promise.prototype.then modification (#16326) 2022-10-29 18:25:23 +09:00
01_core.js fix(test): handle scenario where --trace-ops would cause an unhandled promise rejection (#16970) 2022-12-06 15:58:18 -05:00
02_error.js fix(core): make errors more resistant to tampering (#15789) 2022-09-07 09:11:16 -04:00
async_cancel.rs chore: use Rust 1.63.0 (#15464) 2022-08-21 19:31:14 +02:00
async_cell.rs chore: use Rust 1.65.0 (#16688) 2022-11-18 02:59:10 +01:00
bindings.rs fix(npm): disable npm specifiers in import.meta.resolve() (#16599) 2022-11-11 18:20:13 +01:00
Cargo.toml chore: forward v1.28.3 release commit to main (#16884) 2022-12-01 22:46:27 +09:00
encode_decode_test.js perf(ops): Monomorphic sync op calls (#15337) 2022-08-11 15:56:56 +02:00
error.rs feat(core): show unresolved promise origin (#16650) 2022-11-28 23:07:23 +01:00
error_builder_test.js perf(ops): Monomorphic sync op calls (#15337) 2022-08-11 15:56:56 +02:00
error_codes.rs fix(core): support classifying ENOTDIR (#14646) 2022-05-17 19:20:57 +02:00
extensions.rs Reland "perf(core): generate inlined wrappers for async ops" (#16455) 2022-10-28 16:50:17 +05:30
flags.rs chore: update copyright to 2022 (#13306) 2022-01-07 22:09:52 -05:00
gotham_state.rs chore: update copyright to 2022 (#13306) 2022-01-07 22:09:52 -05:00
icudtl.dat chore: upgrade rusty_v8 to 0.43.1 (#14713) 2022-05-26 13:13:01 +02:00
inspector.rs feat: add --inspect-wait flag (#17001) 2022-12-12 15:33:30 +01:00
internal.d.ts chore: update copyright year (#13434) 2022-01-20 16:10:16 +09:00
io.rs feat(core): improve resource read & write traits (#16115) 2022-10-09 14:49:25 +00:00
lib.deno_core.d.ts chore(core): remove core.opSync (#16379) 2022-10-21 19:35:23 +05:30
lib.rs feat(core): Ability to create snapshots from existing snapshots (#16597) 2022-11-21 14:36:26 +01:00
module_specifier.rs fix(core): don't panic on non-existent cwd (#14957) 2022-06-25 09:21:58 +05:30
modules.rs feat(core): show unresolved promise origin (#16650) 2022-11-28 23:07:23 +01:00
normalize_path.rs perf(runtime): optimize allocations in read/write checks (#15631) 2022-08-27 20:50:05 +05:30
ops.rs fix(core) Include causes when converting anyhow errors to JS exceptions (#16397) 2022-10-26 17:30:44 +02:00
ops_builtin.rs feat(ops): Fast zero copy string arguments (#16777) 2022-12-02 05:29:15 +00:00
ops_builtin_v8.rs npm: ensure runtime exceptions are surfaced when debugger is attached (#16943) 2022-12-06 02:00:10 +01:00
ops_metrics.rs fix(core): remove unsafe in OpsTracker (#15025) 2022-07-01 00:43:25 +02:00
README.md chore(core): remove core.opSync (#16379) 2022-10-21 19:35:23 +05:30
resources.rs fix(ext/net): return an error from startTls and serveHttp if the original connection is captured elsewhere (#16242) 2022-10-18 11:28:27 +09:00
runtime.rs chore: remove unnecessary lifetimes (#16878) 2022-11-30 19:19:32 +00:00
serialize_deserialize_test.js perf(ops): Monomorphic sync op calls (#15337) 2022-08-11 15:56:56 +02:00
snapshot_util.rs feat(core): support initializing extensions with and without JS (#16789) 2022-11-27 00:58:23 +01:00
source_map.rs feat: emit files on demand and fix racy emit (#15220) 2022-07-19 11:58:18 -04:00

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.