import * as rssParser from 'react-native-rss-parser'; return fetch('http://www.nasa.gov/rss/dyn/breaking_news.rss') .then((response) => response.text()) .then((responseData) => rssParser.parse(responseData)) .then((rss) => { console.log(rss.title); console.log(rss.items.length); }); 

_this.getElementTextContentArray is not a function. (In '_this.getElementTextContentArray(node, tagName, namespace)', '_this.getElementTextContentArray' is undefined) - node_modules/react-native-rss-parser/parsers/utils.js:40:32 in exports.getElementTextContent - node_modules/react-native-rss-parser/parsers/atomv1.js:5:6 in <global> - node_modules/react-native-rss-parser/parsers/atomv1.js:135:9 in mapChannelFields - node_modules/react-native-rss-parser/parsers/atomv1.js:169:8 in exports.parse * http://127.0.0.1:19001/node_modules/expo/AppEntry.bundle?platform=ios&dev=true&minify=false&hot=false:145220:35 in <unknown> - node_modules/react-native/node_modules/promise/setimmediate/core.js:45:6 in tryCallTwo - node_modules/react-native/node_modules/promise/setimmediate/core.js:200:22 in doResolve - node_modules/react-native/node_modules/promise/setimmediate/core.js:66:11 in Promise - node_modules/react-native-rss-parser/index.js:22:16 in exports.parse - node_modules/react-native/node_modules/promise/setimmediate/core.js:37:13 in tryCallOne - node_modules/react-native/node_modules/promise/setimmediate/core.js:123:24 in setImmediate$argument_0 - node_modules/react-native/Libraries/Core/Timers/JSTimers.js:130:14 in _callTimer - node_modules/react-native/Libraries/Core/Timers/JSTimers.js:181:14 in _callImmediatesPass - node_modules/react-native/Libraries/Core/Timers/JSTimers.js:441:30 in callImmediates - node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:387:6 in __callImmediates - node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:135:6 in __guard$argument_0 - node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:364:10 in __guard - node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:134:4 in flushedQueue * [native code]:null in flushedQueue * [native code]:null in invokeCallbackAndReturnFlushedQueue