feat: Initial clean release of CHM

packages/pdf-viewer/messageService.ts

@@ -0,0 +1,35 @@
+export default class MessageService {
+	private viewerType: string;
+	public constructor(type: string) {
+		this.viewerType = type;
+	}
+	private sendMessage = (name: string, data?: Record<string, unknown>) => {
+		if (this.viewerType === 'full') {
+			const message = {
+				name,
+				...data,
+			};
+			window.postMessage(message, '*');
+		} else if (this.viewerType === 'mini') {
+			const message = {
+				name,
+				data,
+				target: 'webview',
+			};
+			window.parent.postMessage(message, '*');
+		}
+	};
+	public textSelected = (text: string) => {
+		this.sendMessage('textSelected', { text });
+	};
+	public close = () => {
+		this.sendMessage('close');
+	};
+	public openExternalViewer = () => {
+		this.sendMessage('externalViewer');
+	};
+
+	public openFullScreenViewer = (resourceId: string, pageNo: number) => {
+		this.sendMessage('openPdfViewer', { resourceId, pageNo });
+	};
+}