feat: Initial clean release of CHM

packages/editor/CodeMirror/testing/pressReleaseKey.ts

@@ -0,0 +1,31 @@
+import { EditorView } from '@codemirror/view';
+import typeText from './typeText';
+
+export interface KeyInfo {
+	key: string;
+	code: string;
+	// Text to type if the event was not processed
+	typesText?: string;
+	ctrlKey?: boolean;
+	metaKey?: boolean;
+	shiftKey?: boolean;
+}
+
+const pressReleaseKey = (editor: EditorView, key: KeyInfo) => {
+	const keyDownEvent = new KeyboardEvent('keydown', key);
+
+	let keyDownPrevented = false;
+	keyDownEvent.preventDefault = () => {
+		keyDownPrevented = true;
+	};
+
+	editor.contentDOM.dispatchEvent(keyDownEvent);
+
+	if (key.typesText !== undefined && !keyDownPrevented) {
+		typeText(editor, key.typesText, key);
+	}
+
+	editor.contentDOM.dispatchEvent(new KeyboardEvent('keyup', key));
+};
+
+export default pressReleaseKey;