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[英]TS2307: Cannot find module '@/*' or its corresponding type declarations
[英]Karma, Webpack & Typescript: TS2307: Cannot find module 'log4js' or its corresponding type declarations
運行 karma ( npx karma start
) 時,我收到有關模塊的錯誤
× 「atl」: Checking finished with 1 errors
i 「atl」: Checking started in a separate process...
× 「atl」: Checking finished with 1 errors
× 「wdm」:
ERROR in [at-loader] ./node_modules/@types/karma/index.d.ts:14:26
TS2307: Cannot find module 'log4js' or its corresponding type declarations.
i 「wdm」: Failed to compile.
23 07 2020 12:53:39.790:WARN [karma]: No captured browser, open http://localhost:9876/
23 07 2020 12:53:39.803:INFO [karma-server]: Karma v5.1.0 server started at http://0.0.0.0:9876/
23 07 2020 12:53:39.803:INFO [launcher]: Launching browsers Chrome with concurrency unlimited
23 07 2020 12:53:39.820:INFO [launcher]: Starting browser Chrome
23 07 2020 12:53:41.358:INFO [Chrome 84.0.4147.89 (Windows 10)]: Connected on socket CIrhkw1m_-3oa6JsAAAA with id 44315598
Chrome 84.0.4147.89 (Windows 10): Executed 0 of 1 SUCCESS (0 secs / 0 secs)
Chrome 84.0.4147.89 (Windows 10): Executed 1 of 1 SUCCESS (0.125 secs / 0.002 secs)
TOTAL: 1 SUCCESS
它確實成功執行了測試,但它引發了關於 log4js 的錯誤。 我該如何解決這個錯誤? (我已經嘗試安裝 log4js npm 包)
業力配置:
config.set({
basePath: "",
frameworks: ["mocha"],
files: [
"UnitTests/**/*.browsertest.ts",
],
preprocessors: {
"UnitTests/**/*.browsertest.ts": "webpack",
},
webpack: webpackConfig,
webpackMiddleware: {
stats: 'errors-only'
},
reporters: ["progress"],
browsers: ["Chrome"],
autowatch: false,
});
Webpack 配置(簡化但我確認這會引發相同的錯誤):
{
mode: "development",
entry: {
"dist/main.bundle": "./TypeScript/Main.entry.ts",
},
output: {
path: path.join(__dirname, "wwwroot"),
filename: "[name].js"
},
devtool: "source-map",
resolve: {
extensions: [".ts", ".js"]
},
module: {
rules: [
{
test: /\.tsx?$/, exclude: [/node_modules/],
use: ["awesome-typescript-loader"]
}
]
}
}
配置:
{
"compileOnSave": true,
"compilerOptions": {
"experimentalDecorators": true,
"sourceMap": true,
"strictNullChecks": true,
"noImplicitAny": true,
"module": "amd",
"target": "es6",
"jsx": "react",
"jsxFactory": "renderDom",
"declaration": false,
"esModuleInterop": true,
"lib": [
"WebWorker",
"DOM",
"es6"
],
"typeRoots": [
"./node_modules/@types",
"./@types"
]
},
"include": [
"TypeScript/**/*",
"UnitTests/**/*"
],
"exclude": ["node_modules"]
}
我已經嘗試過的:
通過運行yarn add log4js
和yarn add @types/log4js
現在我有一個解決方案,但如果有人知道更好的解決方案,我很想知道。 因為這需要從 node_modules 復制一個文件,並且如果 package 更新,它將不會更新。
我將node_modules/log4js/types/log4js.d.ts
中的內容復制到我在@types/log4js/index.dts
創建的一個新文件中(注意這是我們在上面的 tsconfig 中配置的我們自己的@types 目錄,它不是節點模塊中的文件夾)。 然后我通過在文件頂部添加這個來稍微修改這個索引:
declare module "log4js" {
在文件的底部:
}
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