Rust编写的JavaScript引擎,该项目是一个试验性质的项目。
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//! An ECMAScript WASM implementation based on boa_engine.
#![doc = include_str!("../ABOUT.md")]
#![doc(
html_logo_url = "https://raw.githubusercontent.com/boa-dev/boa/main/assets/logo.svg",
html_favicon_url = "https://raw.githubusercontent.com/boa-dev/boa/main/assets/logo.svg"
)]
#![cfg_attr(not(test), forbid(clippy::unwrap_used))]
#![warn(
// rustc lint groups https://doc.rust-lang.org/rustc/lints/groups.html
warnings,
future_incompatible,
let_underscore,
nonstandard_style,
rust_2018_compatibility,
rust_2018_idioms,
rust_2021_compatibility,
unused,
// rustc allowed-by-default lints https://doc.rust-lang.org/rustc/lints/listing/allowed-by-default.html
missing_docs,
macro_use_extern_crate,
meta_variable_misuse,
missing_abi,
missing_copy_implementations,
missing_debug_implementations,
non_ascii_idents,
noop_method_call,
single_use_lifetimes,
trivial_casts,
trivial_numeric_casts,
unreachable_pub,
unsafe_op_in_unsafe_fn,
unused_crate_dependencies,
unused_import_braces,
unused_lifetimes,
unused_qualifications,
unused_tuple_struct_fields,
variant_size_differences,
// rustdoc lints https://doc.rust-lang.org/rustdoc/lints.html
rustdoc::broken_intra_doc_links,
rustdoc::private_intra_doc_links,
rustdoc::missing_crate_level_docs,
rustdoc::private_doc_tests,
rustdoc::invalid_codeblock_attributes,
rustdoc::invalid_rust_codeblocks,
rustdoc::bare_urls,
// clippy allowed by default
clippy::dbg_macro,
// clippy categories https://doc.rust-lang.org/clippy/
clippy::all,
clippy::correctness,
clippy::suspicious,
clippy::style,
clippy::complexity,
clippy::perf,
clippy::pedantic,
)]
use boa_engine::{Context, Source};
use chrono as _;
use getrandom as _;
use wasm_bindgen::prelude::*;
#[wasm_bindgen(start)]
fn main() {
console_error_panic_hook::set_once();
}
/// Evaluate the given ECMAScript code.
#[wasm_bindgen]
pub fn evaluate(src: &str) -> Result<String, JsValue> {
// Setup the executor
Context::default()
.eval(Source::from_bytes(src))
.map_err(|e| JsValue::from(format!("Uncaught {e}")))
.map(|v| v.display().to_string())
}