All: Use Lerna to manage monorepo

packages/lib/services/plugins/utils/executeSandboxCall.ts

@@ -0,0 +1,45 @@
+import Global from '../api/Global';
+
+type EventHandler = (callbackId:string, args:any[]) => void;
+
+function createEventHandlers(arg:any, eventHandler:EventHandler) {
+	if (Array.isArray(arg)) {
+		for (let i = 0; i < arg.length; i++) {
+			arg[i] = createEventHandlers(arg[i], eventHandler);
+		}
+		return arg;
+	} else if (typeof arg === 'string' && arg.indexOf('___plugin_event_') === 0) {
+		const callbackId = arg;
+		return async (...args:any[]) => {
+			const result = await eventHandler(callbackId, args);
+			return result;
+		};
+	} else if (arg === null || arg === undefined) {
+		return arg;
+	} else if (typeof arg === 'object') {
+		for (const n in arg) {
+			arg[n] = createEventHandlers(arg[n], eventHandler);
+		}
+	}
+
+	return arg;
+}
+
+export default async function executeSandboxCall(pluginId:string, sandbox:Global, path:string, args:any[], eventHandler:EventHandler) {
+	const pathFragments = path.split('.');
+
+	let parent:any = null;
+	let fn:any = sandbox;
+
+	if (!fn) throw new Error(`No sandbox for plugin ${pluginId}`); // Sanity check as normally cannot happen
+
+	for (const pathFragment of pathFragments) {
+		parent = fn;
+		fn = fn[pathFragment];
+		if (!fn) throw new Error(`Property or method "${pathFragment}" does not exist in "${path}"`);
+	}
+
+	const convertedArgs = createEventHandlers(args, eventHandler);
+
+	return fn.apply(parent, convertedArgs);
+}