carton/entrypoint/bundle.ts

52 lines
1.6 KiB
TypeScript

// Copyright 2020 Carton contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { WasmRunner } from "./common.js";
import type { SwiftRuntimeConstructor } from "./JavaScriptKit_JavaScriptKit.resources/Runtime";
const startWasiTask = async () => {
// Fetch our Wasm File
const response = await fetch("REPLACE_THIS_WITH_THE_MAIN_WEBASSEMBLY_MODULE");
const responseArrayBuffer = await response.arrayBuffer();
let runtimeConstructor: SwiftRuntimeConstructor | undefined = undefined;
try {
const { SwiftRuntime } = await import(
// @ts-ignore
"./JavaScriptKit_JavaScriptKit.resources/Runtime/index.mjs"
);
runtimeConstructor = SwiftRuntime;
} catch {
// JavaScriptKit module not available, running without JavaScriptKit runtime.
}
const wasmRunner = WasmRunner({
onStdoutLine(line) {
console.log(line);
},
onStderrLine(line) {
console.error(line);
}
}, runtimeConstructor);
// Instantiate the WebAssembly file
const wasmBytes = new Uint8Array(responseArrayBuffer).buffer;
await wasmRunner.run(wasmBytes);
};
async function main(): Promise<void> {
await startWasiTask();
}
main();