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[英]Mocha + Webpack + Typescript (React): Error cannot find module (typescript component)
[英]TypeScript error: Cannot find module 'React'
我一直在尝试编译我的项目几个小时,我在整个互联网上进行了搜索,但我仍然不明白为什么它不起作用。
我只是运行npx tsc
但我收到此错误:
$ npx tsc
src/index.ts:2:24 - error TS2307: Cannot find module 'React'.
2 import * as React from 'React';
~~~~~~~
Found 1 error.
tsconfig.json:
{
"compilerOptions": {
"moduleResolution": "node",
"target": "es6",
"module": "commonjs",
"esModuleInterop": true,
"lib": [
"es2015",
"es2016",
"es2017",
"dom"
],
"strict": true,
"sourceMap": true,
"declaration": true,
"declarationDir": "dist/types",
"outDir": "dist/lib",
"typeRoots": [
"node_modules/@types"
],
"jsx": "react",
"noResolve": false,
"allowJs": false,
"forceConsistentCasingInFileNames": true,
"noImplicitReturns": true,
"noImplicitThis": true,
"noImplicitAny": true,
"strictNullChecks": true
},
"include": [
"src"
],
"exclude": [
"node_modules",
"dist",
"playground"
]
}
src/index.ts:
import lodash from 'lodash';
import * as React from 'React';
包。json:
{
"files": [
"dist"
],
"devDependencies": {
"@types/lodash": "^4.14.144",
"@types/node": "^12.11.7",
"@types/react": "^16.9.11",
"lodash": "^4.17.15",
"react": "^16.11.0",
"ts-node": "^8.4.1",
"typescript": "^3.6.4"
}
}
是什么赋予了?
您可能应该将react
作为依赖项而不是devDependency
。 此外,使反应导入文件中的第一行。
除了通过运行将 react 安装为依赖项之外,
npm i react
您可能想要导入默认导出的模块。
import React from 'react';
在您的tsconfig.json
上,您可以将allowSyntheticDefaultImports
设置为true
。
"allowSyntheticDefaultImports": true
此外,您可以阅读更多关于将TypeScript 与 React集成的信息。
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