Improve emit API

Author: inokawa

README.md

@@ -164,7 +164,7 @@ module.exports = {
 import React, { useState } from "react";
 import {
   webViewRender,
-  emit,
+  emitToNative,
   useNativeMessage,
 } from "react-native-react-bridge/lib/web";
 // Importing css is supported
@@ -189,7 +189,7 @@ const Root = () => {
           // emit sends message to React Native
           //   type: event name
           //   data: some data which will be serialized by JSON.stringify
-          emit({ type: "hello", data: 123 });
+          emitToNative({ type: "hello", data: 123 });
         }}
       />
     </div>
@@ -208,7 +208,7 @@ export default webViewRender(<Root />);
 
 import React from "react";
 import WebView from "react-native-webview";
-import { emit, useWebViewMessage } from "react-native-react-bridge";
+import { emitToWebView, useWebViewMessage } from "react-native-react-bridge";
 import webApp from "./WebApp";
 
 const App = () => {
@@ -220,7 +220,7 @@ const App = () => {
     //   type: event name
     //   data: some data which will be serialized by JSON.stringify
     if (message.type === "hello" && message.data === 123) {
-      emit(ref, { type: "success", data: "succeeded!" });
+      emitToWebView(ref, { type: "success", data: "succeeded!" });
     }
   });