// create a file like plugins/withAnimatedWebPSupport.js
const {
 createRunOncePlugin,
 withGradleProperties
} = require('@expo/config-plugins');
const withAnimatedWebPSupport = (config) => {
 const propertyToModify = {
 type: 'property',
 key: 'expo.webp.animated',
 value: true,
 };
 return withGradleProperties(config, (config) => {
 config.modResults = config.modResults.filter(
 (item) => !(item.type === propertyToModify.type && item.key === propertyToModify.key)
 );
 config.modResults.push(propertyToModify);
 return config;
 });
};
module.exports = createRunOncePlugin(withAnimatedWebPSupport, 'animated-webp-support', '1.0.0');

// create a plugins/withFastImageWebPSupportIOS.js
const {
 WarningAggregator,
 withAppDelegate,
 createRunOncePlugin
} = require('@expo/config-plugins');
const RNFI_EXPO_WEBP_IMPORT = `#import "AppDelegate.h"
// expo-config-plugin fast-image webp animated support
#import "SDImageCodersManager.h"
#import <SDWebImageWebPCoder/SDImageWebPCoder.h>
// end config plugin
`
const RNFI_EXPO_WEBP_DID_FINISH_LAUNCHING_IDENTIFIER = `- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{`
const RNFI_EXPO_WEBP_DID_FINISH_LAUNCHING_CODE = `
// start expo-config-plugin fast-image webp animated support
[SDImageCodersManager.sharedManager addCoder: SDImageWebPCoder.sharedCoder];
// end expo-config-plugin fast-image webp animated support
`
function modifyAppDelegate(appDelegate) {
 if (!appDelegate.includes(RNFI_EXPO_WEBP_IMPORT)) {
 appDelegate = appDelegate.replace(
 /#import"AppDelegate.h"/g,
 RNFI_EXPO_WEBP_IMPORT,
 );
 }
 if (appDelegate.includes(RNFI_EXPO_WEBP_DID_FINISH_LAUNCHING_IDENTIFIER)) {
 const block = RNFI_EXPO_WEBP_DID_FINISH_LAUNCHING_IDENTIFIER + RNFI_EXPO_WEBP_DID_FINISH_LAUNCHING_CODE
 appDelegate = appDelegate.replace(RNFI_EXPO_WEBP_DID_FINISH_LAUNCHING_IDENTIFIER, block)
 } else {
 throw new Error('Failed to detect didFinishLaunchingWithOptions in AppDelegate.m')
 }
 return appDelegate
}
const withFastImageWebPSupportIOS = (config) => {
 return withAppDelegate(config, (config) => {
 if (config.modResults.language === 'objc') {
 config.modResults.contents = modifyAppDelegate(config.modResults.contents)
 } else {
 WarningAggregator.addWarningIOS('withFastImageWebPSupportIOSAppDelegate', 'Swift AppDelegate files are not supported yet.')
 }
 return config
 })
}
module.exports = createRunOncePlugin(withFastImageWebPSupportIOS, 'rnfi-expo-animated-webp-support', '1.0.0');

 ['./plugins/withAnimatedWebPSupport'],
 ['./plugins/withFastImageWebPSupportIOS.js'],