Either'./Gallery.js'or'./Gallery'will work with React, though the former is closer to hownative ES Moduleswork. Deep Dive Default vs Named Exports Exporting and importing multiple components from the same file
letbar ="stringBar";letfoo ="stringFoo";letsum =1;letfn0 =function(){console.log("fn0");}letfn1 =function(){console.log("fn1");}letfnSum =function(){ sum = sum +1;returnsum;}export{ bar, foo ,fn0, fn1, fnSum} main.js javascript import{bar,foo, fn0, fn1, fnSum}fro...
ERROR in ./js/utils/auto-set-height.js Module build failed: SyntaxError: ‘import’ and ‘export’ may only appear at the top level (20:8) 分析 在package.json里面确认了一下,我用的webpack版本是^3.5.4,这个是一定支持import()方法的,那么问题应该就出在babel上了。 先截取我的babel-loader的部...
import defaultFunc, * as named from './***.js'; 1. 2. 3. 4. 5. 前一部分首先导出的时default export,后面导出named export并用as指定名称。 开发辅助工具 React Devtools 可以检视react组件的树形结构,以及每个节点上的内容,安装chrome插件即可使用。 Redux Devtools 可以检视redux数据流,记录每一次action...
问Jest react SyntaxError:无法在模块外部使用import语句EN在Python中，我们经常会使用import...
有没有大神在线 我遇到个问题 就是 运行 时候报 'import' and 'export' may only appear at the top level 但是'import' 和 'export' 写的没有问题啊 别的页面也都是相同的方法写的,没报过这个错啊
// 报错if(x>2){importafrom"./a";}///repl: 'import' and 'export' may only appear at the top level (2:2) import 命令会被 JS 引擎静态分析(编译阶段),先于其他模块执行,所以报错; require()可以放在条件判断里面 代码如下: 代码语言:javascript ...
With this export statement, other parts of our application can now import and use the MyComponent component. For example, we can import it in another component file like this: import React from 'react'; import MyComponent from './MyComponent'; const App = () => { return ( <MyComponen...
import js from '@eslint/js' import { importX } from 'eslint-plugin-import-x' export default [js.configs.recommended, importX.flatConfigs.recommended]Typescript exampleYou have to install eslint-import-resolver-typescript:npm install eslint-import-resolver-typescript --save-dev...
moomoo.js Error: Parsing file /Users/monkeypoo/doghouse/crap-code/jsx/node_modules/react-native/index.js: 'import' and 'export' may appear only with 'sourceType: module' (14:0) at Deps.parseDeps (/Users/monkeypoo/doghouse/crap-code/jsx/node_modules/module-deps/index.js:519:15) at get...