Implementation status: A subset of wasi_snapshot_preview1 is implemented. The rest either throws an exception, returns an error or is incorrectly implemented.
npm install @bjorn3/browser_wasi_shim --save
import { WASI, File, PreopenDirectory } from "@bjorn3/browser_wasi_shim";
let args = ["bin", "arg1", "arg2"];
let env = ["FOO=bar"];
let fds = [
new File([]), // stdin
new File([]), // stdout
new File([]), // stderr
new PreopenDirectory(".", {
"example.c": new File(new TextEncoder("utf-8").encode(`#include "a"`)),
"hello.rs": new File(new TextEncoder("utf-8").encode(`fn main() { println!("Hello World!"); }`)),
}),
];
let wasi = new WASI(args, env, fds);
let wasm = await WebAssembly.compileStreaming(fetch("bin.wasm"));
let inst = await WebAssembly.instantiate(wasm, {
"wasi_snapshot_preview1": wasi.wasiImport,
});
wasi.start(inst);Licensed under either of
- Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you shall be dual licensed as above, without any additional terms or conditions.