feat

- rpc

rpc/src/wrapper.ts

@@ -0,0 +1,33 @@
+import { Environment, Errors, RPCState, Utils } from './utils'
+
+export class Wrapper {
+    protected environment_ = Utils.getEnvironment()
+    protected state_ =
+        this.environment_ === Environment.BROWSER ? window : global
+
+    protected verifyEvent_(data: string | RPCState): RPCState {
+        let rpcData =
+            typeof data === 'string' ? Utils.prepareExecution(data) : data
+
+        if (!this.state_[rpcData.eventName]) {
+            rpcData.knownError = Errors.EVENT_NOT_REGISTERED
+        }
+
+        return rpcData
+    }
+
+    protected triggerError_(rpcData: RPCState, error?: any) {
+        const errorMessage = [
+            `${rpcData.knownError}`,
+            `Caller: ${rpcData.calledFrom}`,
+            `Receiver: ${this.environment_}`,
+            `Event: ${rpcData.eventName}`,
+        ]
+
+        if (error) {
+            errorMessage.push(`Additional Info: ${error}`)
+        }
+
+        throw new Error(errorMessage.join('\n | '))
+    }
+}