initial commit

frontend/src/App.svelte

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+<script lang="ts">
+    import { onMount } from "svelte";
+    import CodeMirror from "svelte-codemirror-editor";
+    import { rust } from "@codemirror/lang-rust";
+
+    let contents = $state("");
+    let stdout = $state("");
+    let stderr = $state("");
+
+    onMount(async () => {
+        const file = await fetch("/code");
+        const text = await file.text();
+        contents = text;
+    });
+
+    async function handleSubmit(evt: SubmitEvent) {
+        evt.preventDefault();
+        const res = await fetch("/code", { method: "POST" });
+        const out = await res.json();
+        stdout = String.fromCharCode(...out.stdout);
+        stderr = String.fromCharCode(...out.stderr);
+    }
+
+    async function updateFile(evt: CustomEvent<string>) {
+        evt.preventDefault();
+        const res = await fetch("/code", {
+            method: "PUT",
+            body: contents,
+        });
+    }
+</script>
+
+<form onsubmit={handleSubmit}>
+    <CodeMirror bind:value={contents} on:change={updateFile} lang={rust()} />
+    <button type="submit">submit</button>
+</form>
+
+<div class="outputs">
+    <div id="stdout">
+        <small>stdout</small>
+        {stdout == "" ? "run your program first!" : stdout}
+    </div>
+    <div id="stderr">
+        <small>stderr</small>
+        {stderr == "" ? "run your program first!" : stderr}
+    </div>
+</div>
+
+<style>
+    .outputs {
+        display: flex;
+        width: 100%;
+        justify-content: space-between;
+        gap: 10px;
+        margin-top: 15px;
+    }
+
+    .outputs div {
+        white-space: pre-line;
+        font-family: monospace;
+        width: 100%;
+        padding: 10px 20px;
+        background: #eee;
+    }
+
+    .outputs small {
+        display: block;
+        margin-bottom: 10px;
+    }
+
+    #stderr {
+        color: tomato;
+    }
+</style>

frontend/src/assets/svelte.svg

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+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="26.6" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 308"><path fill="#FF3E00" d="M239.682 40.707C211.113-.182 154.69-12.301 113.895 13.69L42.247 59.356a82.198 82.198 0 0 0-37.135 55.056a86.566 86.566 0 0 0 8.536 55.576a82.425 82.425 0 0 0-12.296 30.719a87.596 87.596 0 0 0 14.964 66.244c28.574 40.893 84.997 53.007 125.787 27.016l71.648-45.664a82.182 82.182 0 0 0 37.135-55.057a86.601 86.601 0 0 0-8.53-55.577a82.409 82.409 0 0 0 12.29-30.718a87.573 87.573 0 0 0-14.963-66.244"></path><path fill="#FFF" d="M106.889 270.841c-23.102 6.007-47.497-3.036-61.103-22.648a52.685 52.685 0 0 1-9.003-39.85a49.978 49.978 0 0 1 1.713-6.693l1.35-4.115l3.671 2.697a92.447 92.447 0 0 0 28.036 14.007l2.663.808l-.245 2.659a16.067 16.067 0 0 0 2.89 10.656a17.143 17.143 0 0 0 18.397 6.828a15.786 15.786 0 0 0 4.403-1.935l71.67-45.672a14.922 14.922 0 0 0 6.734-9.977a15.923 15.923 0 0 0-2.713-12.011a17.156 17.156 0 0 0-18.404-6.832a15.78 15.78 0 0 0-4.396 1.933l-27.35 17.434a52.298 52.298 0 0 1-14.553 6.391c-23.101 6.007-47.497-3.036-61.101-22.649a52.681 52.681 0 0 1-9.004-39.849a49.428 49.428 0 0 1 22.34-33.114l71.664-45.677a52.218 52.218 0 0 1 14.563-6.398c23.101-6.007 47.497 3.036 61.101 22.648a52.685 52.685 0 0 1 9.004 39.85a50.559 50.559 0 0 1-1.713 6.692l-1.35 4.116l-3.67-2.693a92.373 92.373 0 0 0-28.037-14.013l-2.664-.809l.246-2.658a16.099 16.099 0 0 0-2.89-10.656a17.143 17.143 0 0 0-18.398-6.828a15.786 15.786 0 0 0-4.402 1.935l-71.67 45.674a14.898 14.898 0 0 0-6.73 9.975a15.9 15.9 0 0 0 2.709 12.012a17.156 17.156 0 0 0 18.404 6.832a15.841 15.841 0 0 0 4.402-1.935l27.345-17.427a52.147 52.147 0 0 1 14.552-6.397c23.101-6.006 47.497 3.037 61.102 22.65a52.681 52.681 0 0 1 9.003 39.848a49.453 49.453 0 0 1-22.34 33.12l-71.664 45.673a52.218 52.218 0 0 1-14.563 6.398"></path></svg>

frontend/src/lib/Counter.svelte

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+<script lang="ts">
+  let count: number = $state(0)
+  const increment = () => {
+    count += 1
+  }
+</script>
+
+<button onclick={increment}>
+  count is {count}
+</button>

frontend/src/main.ts

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+import { mount } from 'svelte'
+import './app.css'
+import App from './App.svelte'
+
+const app = mount(App, {
+  target: document.getElementById('app')!,
+})
+
+export default app

frontend/src/vite-env.d.ts

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+/// <reference types="svelte" />
+/// <reference types="vite/client" />