undefined is not an object (evaluating 'RNFetchBlob.DocumentDir')

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undefined is not an object (evaluating 'RNFetchBlob.DocumentDir')

参考https://github.com/wkh237/react-native-fetch-blob/issues/51 自己做了一下总结: 这个报错位置在react-native-fetch-blob下fs.js: DocumentDir : RNFetchBlob.DocumentDir 首先看一下最外层package.json下是否有"react-native-fetch-blob"该依赖包如果没有就执行下面命令行: $ npm install --save react-…

React-native-camera error with Expo: undefined is not an object (evaluating 'CameraManager.Aspect')

React-native-camera error with Expo: undefined is not an object (evaluating 'CameraManager.Aspect') 解决方案: react-native link react-native-camera…

使用react-navigation时报错：undefined is not an object (evaluating rngesturehandlermodule.direction)

问题: 使用react-navigation时报错:undefined is not an object (evaluating rngesturehandlermodule.direction). 0.安装react-navigation npm i react-navigation 1.安装react-native-gesture-handler npm i react-native-gesture-handler 2.引入原生库 react-native link 3.react-nati…

react-native 编译报错： undefined is not an object (evaluating '_react2.PropTypes.func')

情况通报: 因为是我的二维码模块报错,提示报错代码如下重要信息是下面的红色字体部分(Android 模拟器红屏) undefined is not an object (evaluating '_react2.PropTypes.func')<unknown> D:\CDM_POS_APP\pos_shouy\node_modules\react-native-smart-barcode\Barcode.js:38:33loadModuleImplementation D:\CDM_POS_…

react-native 编译 undefined is not an object (evaluating '_react2.PropTypes.func')

情况通报: 因为是我的二维码模块报错,提示报错代码如下重要信息是下面的红色字体部分(Android 模拟器红屏) undefined is not an object (evaluating '_react2.PropTypes.func')<unknown> D:\CDM_POS_APP\pos_shouy\node_modules\react-native-smart-barcode\Barcode.js:38:33loadModuleImplementation D:\CDM_POS_…

undefined is not an object(evaluating '_react3.default.PropTypes.shape)

手机红屏报这个错时的解决办法: npm uninstall --save react-native-deprecated-custom-components npm install --save https://github.com/facebookarchive/react-native-custom-components.git…

undefined is not an object (evaluating '_react2.PropTypes.string')

对所引用的组件原 .import React, {Component,PropTypes} from 'react' 改成:import React, {Component} from 'react' 和 import { PropTypes} from 'prop-types'; 注释:从React15.5起,React.PropTypes被移入到单独的package中.react提供了一个package(prop-types)去检查props的类型.首先需要将prop-types引用到文件中…