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denoland-deno/core/README.md
Bartek Iwańczuk f57a2c1e85
refactor(core): rename CoreIsolate to JsRuntime (#7373)
deno_core/
- rename core_isolate.rs to runtime.rs
- rename CoreIsolate to JsRuntime
- rename JSError to JsError
- rename JSStackFrame to JsStackFrame

cli/
- update references from deno_core::CoreIsolate to deno_core::JsRuntime
- rename deno_core::JSError to deno_core::JsError
- rename fmt_errors::JSError to fmt_errors::JsError
2020-09-06 21:44:29 +02:00

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Markdown

# Deno Core Crate
[![crates](https://img.shields.io/crates/v/deno_core.svg)](https://crates.io/crates/deno_core)
[![docs](https://docs.rs/deno_core/badge.svg)](https://docs.rs/deno_core)
The main dependency of this crate is
[rusty_v8](https://github.com/denoland/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 is modeled as a
`Future<Item=(), Error=JsError>` which completes once all of its ops have
completed.
In order to bind Rust functions into JavaScript, use the `Deno.core.dispatch()`
function to trigger the "dispatch" callback in Rust. The user is responsible for
encoding both the request and response into a Uint8Array.
Documentation for this crate is thin at the moment. Please see
[http_bench_bin_ops.rs](https://github.com/denoland/deno/blob/master/core/examples/http_bench_bin_ops.rs)
and
[http_bench_json_ops.rs](https://github.com/denoland/deno/blob/master/core/examples/http_bench_json_ops.rs)
as a simple example of usage.
TypeScript support and a lot of other functionality is not available at this
layer. See the [CLI](https://github.com/denoland/deno/tree/master/cli) for that.