Added editor tab key support

src/editor.ts

@@ -0,0 +1,16 @@
+import $ from 'jquery';
+
+$<HTMLTextAreaElement>('#editor .content').on('keydown', e => {
+	if (e.key != 'Tab') {
+		return;
+	}
+	e.preventDefault();
+
+	const start = e.target.selectionStart;
+
+	// set textarea value to: text before caret + tab + text after caret
+	e.target.value = e.target.value.slice(0, start) + '\t' + e.target.value.slice(e.target.selectionEnd);
+
+	// put caret at right position again
+	e.target.selectionStart = e.target.selectionEnd = start + 1;
+});

src/index.ts

@@ -3,6 +3,7 @@ import './styles.css';
 
 import $ from 'jquery';
 import './config.js';
+import './editor.js';
 import { update, location } from './explorer.js';
 import './shell.js';
 import { cwd, isAbsolute } from '@zenfs/core/emulation/path.js';