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feat: add loader for widget (#54)
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‎CLAUDE.md

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# Chatwoot React Native Widget
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## Project Overview
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This is a React Native widget library for integrating Chatwoot chat functionality into React Native applications. It provides a WebView-based chat interface that connects to Chatwoot server installations.
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## Key Information
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- **Package**: @chatwoot/react-native-widget
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- **Supported Chatwoot version**: 2.16.0+
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- **Main dependencies**: react-native-webview, async-storage
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- **Current branch**: develop
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- **License**: MIT
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## Core Component
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The main component is `ChatWootWidget` which accepts the following props:
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- `baseUrl` (String, required): Chatwoot installation URL
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- `websiteToken` (String, required): Website channel token
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- `colorScheme` (String, default: 'light'): Widget color scheme (light/dark/auto)
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- `locale` (String, default: 'en'): Locale setting
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- `isModalVisible` (Boolean, default: false): Widget visibility state
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- `closeModal` (Function, required): Close event handler
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- `user` (Object, default: {}): User information (email, name, avatar_url, identifier, identifier_hash)
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- `customAttributes` (Object, default: {}): Additional customer information
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## Project Structure
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- `/example` folder contains usage examples
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- Main source code in library structure
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- Uses React Native WebView for chat interface
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## Installation Requirements
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- React Native 60.0+
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- iOS: requires `cd ios && pod install`
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- Dependencies: react-native-webview, async-storage
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## Usage Pattern
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Typically used as a modal overlay that can be toggled on/off, providing a chat interface within React Native applications.
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## Local Development & Testing
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The widget source code is located in the `src/` directory. To test changes locally:
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1. **Navigate to example project**: `cd Example`
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2. **Install dependencies**: `npm install` or `yarn install`
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3. **For iOS**: `cd ios && pod install && cd ..`
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4. **Run on iOS**: `npx react-native run-ios`
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5. **Run on Android**: `npx react-native run-android`
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The example project uses the local source code from `src/` for testing widget changes during development.

‎Example/src/WebView.js

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import React from 'react';
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import { StyleSheet, Linking } from 'react-native';
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import React, { useState, useMemo } from 'react';
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import { StyleSheet, Linking, View, ActivityIndicator } from 'react-native';
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import { WebView } from 'react-native-webview';
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import PropTypes from 'prop-types';
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import { isJsonString, storeHelper, generateScripts, getMessage } from './utils';
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closeModal,
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}) => {
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const [currentUrl, setCurrentUrl] = React.useState(null);
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const [loading, setLoading] = useState(true);
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let widgetUrl = `${baseUrl}/widget?website_token=${websiteToken}&locale=${locale}`;
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if (cwCookie) {
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setCurrentUrl(newNavState.url);
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};
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const opacity = useMemo(() => {
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if (loading) {
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return {
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opacity: 0,
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};
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}
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return {
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opacity: 1,
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};
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}, [loading]);
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const renderLoadingComponent = () => {
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return (
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<View style={styles.loadingContainer}>
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<ActivityIndicator size="small" />
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</View>
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);
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};
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return (
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<WebView
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source={{
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uri: widgetUrl,
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}}
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onMessage={(event) => {
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const { data } = event.nativeEvent;
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const message = getMessage(data);
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if (isJsonString(message)) {
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const parsedMessage = JSON.parse(message);
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const { event: eventType, type } = parsedMessage;
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if (eventType === 'loaded') {
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const {
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config: { authToken },
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} = parsedMessage;
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storeHelper.storeCookie(authToken);
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}
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if (type === 'close-widget') {
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closeModal();
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<View style={styles.container}>
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<WebView
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source={{
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uri: widgetUrl,
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}}
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onMessage={(event) => {
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const { data } = event.nativeEvent;
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const message = getMessage(data);
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if (isJsonString(message)) {
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const parsedMessage = JSON.parse(message);
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const { event: eventType, type } = parsedMessage;
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if (eventType === 'loaded') {
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const {
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config: { authToken },
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} = parsedMessage;
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storeHelper.storeCookie(authToken);
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}
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if (type === 'close-widget') {
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closeModal();
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}
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}
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}
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}}
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scalesPageToFit
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useWebKit
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sharedCookiesEnabled
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javaScriptEnabled={true}
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domStorageEnabled={true}
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style={styles.WebViewStyle}
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injectedJavaScript={injectedJavaScript}
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onShouldStartLoadWithRequest={onShouldStartLoadWithRequest}
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onNavigationStateChange={handleWebViewNavigationStateChange}
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scrollEnabled
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/>
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}}
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scalesPageToFit
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useWebKit
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sharedCookiesEnabled
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javaScriptEnabled={true}
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domStorageEnabled={true}
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style={[styles.WebViewStyle, opacity]}
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injectedJavaScript={injectedJavaScript}
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onShouldStartLoadWithRequest={onShouldStartLoadWithRequest}
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onNavigationStateChange={handleWebViewNavigationStateChange}
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onLoadStart={() => setLoading(true)}
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onLoadProgress={() => setLoading(true)}
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onLoadEnd={() => setLoading(false)}
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scrollEnabled
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/>
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{loading && renderLoadingComponent()}
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</View>
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);
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};
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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},
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modal: {
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flex: 1,
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borderRadius: 4,
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webViewContainer: {
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flex: 1,
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},
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WebViewStyle: {
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flex: 1,
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},
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loadingContainer: {
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position: 'absolute',
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top: 0,
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left: 0,
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right: 0,
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bottom: 0,
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justifyContent: 'center',
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alignItems: 'center',
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backgroundColor: 'rgba(255, 255, 255, 0.9)',
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},
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loadingText: {
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marginTop: 10,
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fontSize: 16,
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color: '#666',
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},
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});
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WebViewComponent.propTypes = propTypes;

‎LICENSE

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The MIT License (MIT)
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Copyright (c) 2017-2023 Chatwoot Inc.
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Copyright (c) 2017-2025 Chatwoot Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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THE SOFTWARE.

‎src/WebView.js

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import React from 'react';
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import { StyleSheet, Linking } from 'react-native';
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import React, { useState, useMemo } from 'react';
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import { StyleSheet, Linking, View, ActivityIndicator, Text } from 'react-native';
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import { WebView } from 'react-native-webview';
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import PropTypes from 'prop-types';
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import { isJsonString, storeHelper, generateScripts, getMessage } from './utils';
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closeModal,
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}) => {
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const [currentUrl, setCurrentUrl] = React.useState(null);
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const [loading, setLoading] = useState(true);
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let widgetUrl = `${baseUrl}/widget?website_token=${websiteToken}&locale=${locale}`;
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if (cwCookie) {
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setCurrentUrl(newNavState.url);
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};
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const opacity = useMemo(() => {
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if (loading) {
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return {
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opacity: 0,
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};
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}
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return {
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opacity: 1,
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};
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}, [loading]);
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const renderLoadingComponent = () => {
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return (
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<View style={styles.loadingContainer}>
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<ActivityIndicator size="large" color="#1f93ff" />
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<Text style={styles.loadingText}>Loading...</Text>
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</View>
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);
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};
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return (
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<WebView
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source={{
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uri: widgetUrl,
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}}
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onMessage={(event) => {
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const { data } = event.nativeEvent;
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const message = getMessage(data);
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if (isJsonString(message)) {
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const parsedMessage = JSON.parse(message);
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const { event: eventType, type } = parsedMessage;
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if (eventType === 'loaded') {
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const {
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config: { authToken },
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} = parsedMessage;
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storeHelper.storeCookie(authToken);
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}
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if (type === 'close-widget') {
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closeModal();
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<View style={styles.container}>
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<WebView
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source={{
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uri: widgetUrl,
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}}
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onMessage={(event) => {
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const { data } = event.nativeEvent;
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const message = getMessage(data);
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if (isJsonString(message)) {
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const parsedMessage = JSON.parse(message);
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const { event: eventType, type } = parsedMessage;
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if (eventType === 'loaded') {
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const {
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config: { authToken },
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} = parsedMessage;
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storeHelper.storeCookie(authToken);
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}
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if (type === 'close-widget') {
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closeModal();
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}
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}
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}
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}}
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scalesPageToFit
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useWebKit
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sharedCookiesEnabled
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javaScriptEnabled={true}
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domStorageEnabled={true}
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style={styles.WebViewStyle}
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injectedJavaScript={injectedJavaScript}
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onShouldStartLoadWithRequest={onShouldStartLoadWithRequest}
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onNavigationStateChange={handleWebViewNavigationStateChange}
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scrollEnabled
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/>
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}}
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scalesPageToFit
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useWebKit
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sharedCookiesEnabled
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javaScriptEnabled={true}
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domStorageEnabled={true}
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style={[styles.WebViewStyle, opacity]}
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injectedJavaScript={injectedJavaScript}
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onShouldStartLoadWithRequest={onShouldStartLoadWithRequest}
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onNavigationStateChange={handleWebViewNavigationStateChange}
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onLoadStart={() => setLoading(true)}
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onLoadProgress={() => setLoading(true)}
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onLoadEnd={() => setLoading(false)}
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scrollEnabled
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/>
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{loading && renderLoadingComponent()}
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</View>
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);
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};
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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},
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modal: {
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flex: 1,
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borderRadius: 4,
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webViewContainer: {
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flex: 1,
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},
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WebViewStyle: {
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flex: 1,
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},
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loadingContainer: {
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position: 'absolute',
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top: 0,
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left: 0,
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right: 0,
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bottom: 0,
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justifyContent: 'center',
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alignItems: 'center',
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backgroundColor: 'rgba(255, 255, 255, 0.9)',
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},
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loadingText: {
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marginTop: 10,
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fontSize: 16,
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color: '#666',
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},
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});
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WebViewComponent.propTypes = propTypes;
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export default WebViewComponent;

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