core: add ui

packages/hydrooj/src/ui.ts

@@ -0,0 +1,67 @@
+// @ts-nocheck
+import cluster from 'cluster';
+import {
+    terminal, TextBox, LabeledInput,
+} from 'terminal-kit';
+import * as bus from './service/bus';
+
+async function terminate() {
+    let hasError = false;
+    try {
+        await require('./service/bus').parallel('app/exit');
+    } catch (e) {
+        hasError = true;
+    }
+    if (cluster.isMaster) {
+        terminal.hideCursor(false);
+        terminal.styleReset();
+        terminal.resetScrollingRegion();
+        terminal.moveTo(terminal.width, terminal.height);
+        terminal('\n');
+    }
+    process.exit(hasError ? 1 : 0);
+}
+process.on('SIGINT', terminate);
+if (cluster.isMaster) {
+    terminal.clear();
+    terminal.grabInput();
+    terminal.hideCursor();
+    // Clipboard doesn't work well over ssh env, it throws an error.
+    terminal.getClipboard = () => { };
+    terminal.setClipboard = () => { };
+    const document = terminal.createDocument({});
+    const LogBox = new TextBox({
+        parent: document,
+        contentHasMarkup: true,
+        scrollable: true,
+        vScrollBar: true,
+        lineWrap: true,
+        x: 0,
+        y: 0,
+        width: terminal.width,
+        height: terminal.height - 1,
+    });
+    const ShellInput = new LabeledInput({
+        parent: document,
+        label: '>',
+        x: 1,
+        y: terminal.height - 1,
+        width: terminal.width,
+    });
+    bus.on('message/log', (message) => {
+        LogBox.appendLog(message);
+    });
+    ShellInput.on('submit', async (input) => {
+        ShellInput.input.setContent(' '.repeat(terminal.width), false, false);
+        ShellInput.input.setContent('', false, false);
+        if (input[0] === '@') {
+            for (const i in cluster.workers) {
+                cluster.workers[i].send({ event: 'message/run', payload: [input.substr(1, input.length - 1)] });
+                break;
+            }
+        } else bus.parallel('message/run', input);
+    });
+    terminal.on('key', (key, matches, data) => {
+        if (key === 'CTRL_C') terminate();
+    });
+}