如何自己编写一个javascript运行时环境?
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可以使用rust自己写一个javascript运行时
// main.rs use std::rc::Rc; use deno_core::error::AnyError; async fn run_js(file_path: &str) -> Result<(), AnyError> { let main_module = deno_core::resolve_path(file_path)?; let mut js_runtime = deno_core::JsRuntime::new(deno_core::RuntimeOptions { module_loader: Some(Rc::new(deno_core::FsModuleLoader)), ..Default::default() }); let mod_id = js_runtime.load_main_module(&main_module, None).await?; let result = js_runtime.mod_evaluate(mod_id); js_runtime.run_event_loop(false).await?; result.await? } // main.rs fn main() { let runtime = tokio::runtime::Builder::new_current_thread() .enable_all() .build()?; if let Err(error) = runtime.block_on(run_js("./example.js")) { eprintln!("error: {}", error); } }然后写一个js
// example.js Deno.core.print("Hello runjs!");最后执行就ok了。
完整教程文章:https://deno.com/blog/roll-your-own-javascript-runtime
github地址:https://github.com/denoland/roll-your-own-javascript-runtime