Add meta key

index.d.ts

@@ -86,6 +86,7 @@ export interface Key {
 	escape: boolean
 	ctrl: boolean
 	shift: boolean
+	meta: boolean
 }
 
 /**

readme.md

@@ -919,6 +919,13 @@ Ctrl key was pressed.
 Type: `boolean`<br>
 Default: `false`
 
+##### key.meta
+
+Type: `boolean`<br>
+Default: `false`
+
+[Meta key](https://en.wikipedia.org/wiki/Meta_key) was pressed.
+
 Shift key was pressed.
 
 ## Useful Components

src/hooks/use-input.js

@@ -23,7 +23,8 @@ export default inputHandler => {
 				return: input === '\r',
 				escape: input === '\u001B',
 				ctrl: false,
-				shift: false
+				shift: false,
+				meta: false
 			};
 
 			// Copied from `keypress` module
@@ -32,6 +33,11 @@ export default inputHandler => {
 				key.ctrl = true;
 			}
 
+			if (input[0] === '\u001B') {
+				input = input.slice(1);
+				key.meta = true;
+			}
+
 			const isLatinUppercase = input >= 'A' && input <= 'Z';
 			const isCyrillicUppercase = input >= 'А' && input <= 'Я';
 			if (input.length === 1 && (isLatinUppercase || isCyrillicUppercase)) {

test/fixtures/use-input.js

@@ -26,6 +26,11 @@ const UserInput = ({test}) => {
 			return;
 		}
 
+		if (test === 'meta' && input === 'm' && key.meta) {
+			exit();
+			return;
+		}
+
 		if (test === 'upArrow' && key.upArrow) {
 			exit();
 			return;

test/hooks.js

@@ -68,6 +68,13 @@ test('handle ctrl', async t => {
 	t.true(ps.output.includes('exited'));
 });
 
+test('handle meta', async t => {
+	const ps = term('use-input', ['meta']);
+	ps.write('\u001Bm');
+	await ps.waitForExit();
+	t.true(ps.output.includes('exited'));
+});
+
 test('handle up arrow', async t => {
 	const ps = term('use-input', ['upArrow']);
 	ps.write('\u001B[A');