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feat: set up and implement Expo plugin for code push
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‎app.plugin.js‎

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module.exports = require("./expo/plugin/withCodePush");

‎expo/plugin/withCodePush.js‎

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const { createRunOncePlugin } = require('expo/config-plugins');
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const { withAndroidBuildScriptDependency, withAndroidMainApplicationDependency } = require('./withCodePushAndroid');
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const { withIosBridgingHeader, withIosAppDelegateDependency } = require('./withCodePushIos');
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const pkg = require('../../package.json');
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const withCodePush = (config) => {
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config = withAndroidBuildScriptDependency(config);
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config = withAndroidMainApplicationDependency(config);
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config = withIosBridgingHeader(config);
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config = withIosAppDelegateDependency(config);
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return config;
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};
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module.exports = createRunOncePlugin(withCodePush, pkg.name, pkg.version);

‎expo/plugin/withCodePushAndroid.js‎

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const { withAppBuildGradle, withMainApplication, WarningAggregator } = require('expo/config-plugins');
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function androidApplyImplementation(appBuildGradle) {
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const codePushImplementation = `apply from: "../../node_modules/@bravemobile/react-native-code-push/android/codepush.gradle"`;
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if (!appBuildGradle.includes(codePushImplementation)) {
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return `${appBuildGradle.trimEnd()}\n${codePushImplementation}\n`;
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}
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return appBuildGradle;
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}
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function androidMainApplicationApplyImplementation(
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mainApplication,
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find,
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add,
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reverse = false,
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) {
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if (mainApplication.includes(add)) {
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return mainApplication;
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}
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if (mainApplication.includes(find)) {
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return mainApplication.replace(find, reverse ? `${add}\n${find}` : `${find}\n${add}`);
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}
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WarningAggregator.addWarningAndroid(
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'withCodePushAndroid',
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`
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Failed to detect "${find.replace(/\n/g, '').trim()}" in the MainApplication.kt.
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Please add "${add.replace(/\n/g, '').trim()}" to the MainApplication.kt.
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Supported format: Expo SDK default template.
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Android manual setup: https://github.com/Soomgo-Mobile/react-native-code-push#3-android-setup
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`,
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);
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return mainApplication;
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}
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const withAndroidBuildScriptDependency = (config) => {
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return withAppBuildGradle(config, (action) => {
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action.modResults.contents = androidApplyImplementation(
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action.modResults.contents,
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);
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return action;
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});
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};
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const withAndroidMainApplicationDependency = (config) => {
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return withMainApplication(config, (action) => {
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action.modResults.contents = androidMainApplicationApplyImplementation(
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action.modResults.contents,
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'class MainApplication : Application(), ReactApplication {',
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'import com.microsoft.codepush.react.CodePush\n',
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true,
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);
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action.modResults.contents = androidMainApplicationApplyImplementation(
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action.modResults.contents,
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'object : DefaultReactNativeHost(this) {',
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' override fun getJSBundleFile(): String = CodePush.getJSBundleFile()\n',
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);
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return action;
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});
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};
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module.exports = {
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withAndroidBuildScriptDependency,
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withAndroidMainApplicationDependency,
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};

‎expo/plugin/withCodePushIos.js‎

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const { withAppDelegate, withXcodeProject, WarningAggregator } = require('expo/config-plugins');
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const { getAppDelegate } = require('@expo/config-plugins/build/ios/Paths');
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const path = require('path');
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const fs = require('fs');
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function iosApplyImplementation(
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appDelegate,
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find,
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add,
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replace,
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) {
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if (appDelegate.includes(add)) {
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return appDelegate;
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}
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if (appDelegate.includes(find)) {
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return appDelegate.replace(find, replace ? add : `${find}\n${add}`);
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}
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WarningAggregator.addWarningIOS(
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'withCodePushIos',
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`
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Failed to detect "${find.replace(/\n/g, '').trim()}" in the AppDelegate.(m|swift).
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Please ${replace ? 'replace' : 'add'} "${add.replace(/\n/g, '').trim()}" to the AppDelegate.(m|swift).
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Supported format: Expo SDK default template.
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iOS manual setup: https://github.com/Soomgo-Mobile/react-native-code-push#2-ios-setup
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`,
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);
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return appDelegate;
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}
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function getBridgingHeaderPathFromXcode(project) {
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const buildConfigs = project.pbxXCBuildConfigurationSection();
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for (const key in buildConfigs) {
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const config = buildConfigs[key];
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if (
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typeof config === 'object' &&
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config.buildSettings &&
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config.buildSettings['SWIFT_OBJC_BRIDGING_HEADER']
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) {
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const bridgingHeaderPath = config.buildSettings[
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'SWIFT_OBJC_BRIDGING_HEADER'
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].replace(/"/g, '');
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return bridgingHeaderPath;
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}
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}
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return null;
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}
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const withIosAppDelegateDependency = (config) => {
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return withAppDelegate(config, (action) => {
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const language = action.modResults.language;
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if (['objc', 'objcpp'].includes(language)) {
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action.modResults.contents = iosApplyImplementation(
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action.modResults.contents,
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`#import "AppDelegate.h"`,
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`#import <CodePush/CodePush.h>`,
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);
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action.modResults.contents = iosApplyImplementation(
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action.modResults.contents,
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`return [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];`,
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`return [CodePush bundleURL];`,
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true,
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);
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return action;
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}
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if (language === 'swift') {
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action.modResults.contents = iosApplyImplementation(
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action.modResults.contents,
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`return Bundle.main.url(forResource: "main", withExtension: "jsbundle")`,
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`return CodePush.bundleURL()`,
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true,
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);
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return action;
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}
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WarningAggregator.addWarningIOS(
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'withIosAppDelegate',
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`${language} AppDelegate file is not supported yet.`,
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);
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return action;
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});
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};
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const withIosBridgingHeader = (config) => {
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return withXcodeProject(config, (action) => {
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const projectRoot = action.modRequest.projectRoot;
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const appDelegate = getAppDelegate(projectRoot);
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if (appDelegate.language === 'swift') {
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const bridgingHeaderPath = getBridgingHeaderPathFromXcode(
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action.modResults,
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);
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const bridgingHeaderFilePath = path.join(
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action.modRequest.platformProjectRoot,
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bridgingHeaderPath,
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);
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if (fs.existsSync(bridgingHeaderFilePath)) {
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let content = fs.readFileSync(bridgingHeaderFilePath, 'utf8');
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const codePushImport = '#import <CodePush/CodePush.h>';
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if (!content.includes(codePushImport)) {
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content += `${codePushImport}\n`;
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fs.writeFileSync(bridgingHeaderFilePath, content);
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}
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return action;
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}
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WarningAggregator.addWarningIOS(
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'withIosBridgingHeader',
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`
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Failed to detect ${bridgingHeaderFilePath} file.
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Please add CodePush integration manually:
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#import <CodePush/CodePush.h>
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Supported format: Expo SDK default template.
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`
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);
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return action;
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}
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return action;
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});
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};
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module.exports = {
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withIosAppDelegateDependency,
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withIosBridgingHeader,
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};

‎package-lock.json‎

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‎package.json‎

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"yazl": "^3.3.1"
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},
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"peerDependencies": {
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"expo": ">=50.0.0",
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"react-native": "*"
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},
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"peerDependenciesMeta": {
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"expo": {
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"optional": true
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}
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},
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"devDependencies": {
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"@babel/core": "^7.26.0",
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"@babel/preset-env": "^7.26.0",

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