Oleksandr Kozachuk
151 lines
3.6 KiB
HTML
151 lines
3.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<script src="https://unpkg.com/react@18/umd/react.development.js" crossorigin></script>
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<script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js" crossorigin></script>
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<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
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<style>
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html {
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height: 100%;
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}
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body {
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min-height: 100%;
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}
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html,
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body {
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background-color: #000;
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width: 100%;
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margin: 0;
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padding: 0;
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font-family: monospace;
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}
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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.terminal {
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height: 100%;
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width: 100%;
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margin: 0 auto;
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color: #fff;
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overflow-y: scroll;
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padding: 20px;
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}
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.prompt {
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color: #0f0;
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}
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.form {
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display: flex;
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width: 100vw;
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margin: 0 auto;
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}
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.input {
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background-color: transparent;
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border: none;
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color: #fff;
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outline: none;
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flex-grow: 1;
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}
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.input::placeholder {
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color: #666;
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}
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label {
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width: 100%;
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white-space: nowrap;
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display: inline-flex;
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}
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.terminal p,
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.prompt,
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.input {
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font-family: monospace;
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font-size: 16px;
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white-space: pre;
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}
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</style>
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</head>
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<body>
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<div id="root"></div>
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<script type="module">
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function read_line(prompt) {
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console.log("called read_line: " + prompt);
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return "line";
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}
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function read_password(prompt) {
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console.log("called read_password: " + prompt);
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return "password";
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}
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import init, { ok_add, hel_init, hel_command } from "./pkg/helwasm.js";
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init().then(() => {
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window.hel = {
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ok_add: ok_add,
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hel_init: hel_init,
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hel_command: hel_command,
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}
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});
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</script>
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<script type="text/babel">
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function Terminal() {
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const [input, setInput] = React.useState("");
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const [output, setOutput] = React.useState([]);
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const outputRef = React.useRef(null);
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React.useEffect(() => {
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outputRef.current.scrollIntoView({ behaviour: "smooth" });
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}, [output]);
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function handleInput(event) {
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setInput(event.target.value);
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}
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function handleSubmit(event) {
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event.preventDefault();
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const result = executeCommand(input);
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setOutput([...output, { prompt: "❯", command: input }, { prompt: "", command: result }]);
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setInput("");
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}
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function executeCommand(command) {
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return window.hel.hel_command(command);
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}
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return (
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<div className="terminal">
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{output.map(({ prompt, command }, index) => (
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<p key={index}>{prompt && (<span className="prompt">❯ </span>)}{command}</p>
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))}
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<form onSubmit={handleSubmit}>
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<label>
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<span className="prompt" ref={outputRef}>❯ </span>
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<input
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type="text"
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value={input}
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onChange={handleInput}
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className="input"
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autoFocus
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/>
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</label>
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</form>
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</div>
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);
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}
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const container = document.getElementById('root');
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const root = ReactDOM.createRoot(container);
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root.render(<Terminal />);
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</script>
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</body>
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</html>
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