我正在尝试创建一个针对Web的本地应用程序,以针对iOS和网络平台进行构建。对于我的问题的解决方案将使xcode / mac Simulator在热重新加载iOS版本的情况下运行,同时也在运行Web版本的“ react-native-web”:“ ^ 0.9.x”应用程序。
我用谷歌搜索了如何启动这些方法之一,并发现前几篇文章是由create-react-native-web-app的创建者撰写的,所以我决定尝试这种方法。但是,这是一场艰苦的战斗。
但是首先,似乎可以立即使用的部分是Web部件。在我的第一次尝试中,运行npx create-react-native-web-app demo-app
之后,yarn web
立即开始工作。 :)
但是无法构建iOS毛线,并且存在多个问题。
我有node -v >> v11.5.0
。我在Mohave上,已经设置了xcode 10.1(用于iOS开发)。
yarn iOS
creaternwapp
下的ios/
项目,然后将 Project Settings>构建系统更改为 Legacy构建系统。 (cd node_modules/react-native/third-party/glog-0.3.4/ && ./configure)
// //这些数字可能会明显改变,具体取决于安装情况是否需要更改.babelrc
的来源:
{
"presets": ["module:metro-react-native-babel-preset"],
}
收件人:
{
"presets": [["module:metro-react-native-babel-preset"], ["react-app"]],
"ignore": ["node_modules/art/core/color.js"],
"plugins": [
["module-resolver", {
"alias": {
"^react-native$": "react-native-web"
}
}]
],
}
npm install && npm audit fix
,然后紧跟yarn install
,以便纱线可以重新获得控制权。这时yarn ios
成功了,但是模拟器上显示了setTimeout
的错误。我对此进行了研究,显然,当本机安装未完成时,就会出现这类错误,并且建议使用yarn upgrade
本机反应的解决方案。但是yarn upgrade react-native@0.57.8
对我没有任何改变。
答案 0 :(得分:0)
这不是我一直在寻找的答案,我希望create-react-native-web-app可以开箱即用..但现在-这就是我正在使用的方式rn + rnw,即使使用react-native-paper:
我可以描述如何使Exponative-Native-paper在博览会上工作。
expo init --yarn --template blank demo-app
-cd demo-app
yarn add react-native-web react-router-dom react-router-native react-app-polyfill react-art react-native-paper react-dom
-yarn add -D react-scripts @babel/preset-flow @babel/plugin-proposal-class-properties
code package.json
并添加脚本:
“ web”:“反应脚本开始”, “ build-web”:“反应脚本建立”
-我们将作弊并就地编辑它们。更好的做法是将node-modules / react-scripts / config和脚本复制到您的项目文件夹中,安装它们的依赖关系并使它们在本地运行。但这只是一个概念证明(所以..请确保暂时不要重新安装node_modules或react-scripts)
-配置/添加主要内容:
“ main”:“ react-native-main.js”,
code react-native-main.js
保存:import { KeepAwake, registerRootComponent } from 'expo'
import App from './src/App'
if (__DEV__) {
KeepAwake.activate()
}
registerRootComponent(App)
mkdir src public
rm App.js
-code src/App.js
保存:
import React from 'react'
import { StyleSheet, View } from 'react-native'
import { Provider as PaperProvider } from 'react-native-paper'
import { Router, Switch, Route } from './routing'
import Home from './Controllers/Home'
export default class App extends React.Component {
render () {
return (
<PaperProvider>
<View style={styles.app}>
<Router>
<Route exact path="/" render={props => <Home {...props} />} />
</Router>
</View>
</PaperProvider>
)
}
}
const styles = StyleSheet.create({
app: {
flex:1
}
})
mkdir src/Controllers && code src/Controllers/Home.js
保存:(需要进行一些演示以演示Paper ..这本质上只是来自examples文件夹中的文本示例)/* @flow */
import React from 'react'
import { View, StyleSheet, Platform } from 'react-native'
import {
Caption,
Headline,
Paragraph,
Subheading,
Title,
withTheme,
type Theme,
} from 'react-native-paper'
type Props = {
theme: Theme,
};
class TextExample extends React.Component<Props> {
render() {
const {
theme: {
colors: { background },
},
} = this.props
return (
<View style={[styles.container, { backgroundColor: background }]}>
<Caption style={styles.text}>Home</Caption>
<Paragraph style={styles.text}>This is the home component</Paragraph>
<Subheading style={styles.text}>home component</Subheading>
<Title style={styles.text}>Home</Title>
<Headline style={styles.text}>Home on { Platform.OS }</Headline>
</View>
)
}
}
const styles = StyleSheet.create({
container: {
padding: 16,
flex: 1,
},
text: {
marginVertical: 4,
},
})
export default withTheme(TextExample)
code public/index.html
保存:<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Third Party Demo</title>
</head>
<body>
<div id="react-native-web-app"></div>
</body>
</html>
code src/index.js
保存:import React from 'react'
import ReactDom from 'react-dom'
import App from './App'
ReactDom.render(<App />, document.getElementById('react-native-web-app'))
code src/routing.native.js
保存:从“ react-router-native”导出{NativeRouter作为路由器,交换机,路由,链接}
-code src/routing.web.js
保存:
从“ react-router-dom”导出{BrowserRouter作为路由器,交换机,路由,链接}
yarn ios
应该可以工作,但是yarn web
给出了此处报告的错误。我们需要编辑react-scripts Webpack配置node_modules/react-scripts/config/webpack.config.js
:-标记为该部分的 plugins :
// Process application JS with Babel.
// The preset includes JSX, Flow, TypeScript, and some ESnext features.
(大约在387行)添加此插件:
[
"@babel/plugin-proposal-class-properties",
{
"loose": false
}
]
在该部分之后,创建一个新部分:
// Process paper specially
{
test: /\.js$/,
exclude: /node_modules(?!\/react-native-paper|\/react-native-vector-icons)/,
use: {
loader: require.resolve('babel-loader'),
options: {
babelrc: false,
configFile: false,
compact: false,
presets: [
'@babel/preset-env',
'@babel/preset-react',
'@babel/preset-flow',
],
cacheDirectory: true,
plugins: [
[
"@babel/plugin-proposal-class-properties",
{
"loose": false
}
],
],
// Don't waste time on Gzipping the cache
cacheCompression: false,
// If an error happens in a package, it's possible to be
// because it was compiled. Thus, we don't want the browser
// debugger to show the original code. Instead, the code
// being evaluated would be much more helpful.
sourceMaps: false,
},
}
},