77 lines
2.0 KiB
JavaScript
77 lines
2.0 KiB
JavaScript
// Copyright 2020 Carton contributors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import ReconnectingWebSocket from "reconnecting-websocket";
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import { WasmRunner } from "./common.js";
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const socket = new ReconnectingWebSocket(`ws://${location.host}/watcher`);
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socket.addEventListener("message", (message) => {
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if (message.data === "reload") {
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location.reload();
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}
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});
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const startWasiTask = async () => {
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// Fetch our Wasm File
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const response = await fetch("/main.wasm");
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const responseArrayBuffer = await response.arrayBuffer();
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let runtimeConstructor;
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try {
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const { SwiftRuntime } = await import(
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"./JavaScriptKit_JavaScriptKit.resources/Runtime/index.mjs"
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);
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runtimeConstructor = SwiftRuntime;
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} catch {
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console.log(
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"JavaScriptKit module not available, running without JavaScriptKit runtime."
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);
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}
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const wasmRunner = WasmRunner(
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{
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onStderr() {
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const prevLimit = Error.stackTraceLimit;
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Error.stackTraceLimit = 1000;
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socket.send(
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JSON.stringify({
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kind: "stackTrace",
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stackTrace: new Error().stack,
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})
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);
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Error.stackTraceLimit = prevLimit;
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},
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},
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runtimeConstructor
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);
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// Instantiate the WebAssembly file
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const wasmBytes = new Uint8Array(responseArrayBuffer).buffer;
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await wasmRunner.run(wasmBytes);
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};
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function handleError(e) {
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console.error(e);
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if (e instanceof WebAssembly.RuntimeError) {
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console.log(e.stack);
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}
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}
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try {
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startWasiTask().catch(handleError);
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} catch (e) {
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handleError(e);
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}
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