我是 Office 插件开发的新手，但在我们的组织中有一个项目。安装 package.json 文件中提到的所有依赖项后，当我尝试运行“npm run dev-server”时，出现以下错误：
c:\git\sample-project\ui-addin>npm run dev-server
> [email protected] dev-server c:\git\sample-project\ui-addin
> webpack-dev-server --mode development
You already have trusted access to https://localhost.
Certificate: C:\Users\Manish.Kumar\.office-addin-dev-certs\localhost.crt
Key: C:\Users\Manish.Kumar\.office-addin-dev-certs\localhost.key
i ｢wds｣: Project is running at https://127.0.0.1:3000/
i ｢wds｣: webpack output is served from /
i ｢wds｣: Content not from webpack is served from c:\git\sample-project\ui-addin
(node:19272) UnhandledPromiseRejectionWarning: TypeError: The 'compilation' argument must be an instance of Compilation
at Function.getCompilationHooks (c:\git\sample-project\ui-addin\node_modules\custom-functions-metadata-plugin\node_modules\webpack\lib\NormalModule.js:207:10)
at c:\git\sample-project\ui-addin\node_modules\custom-functions-metadata-plugin\lib\customfunctionsplugin.js:41:36
at SyncHook.eval [as call] (eval at create (c:\git\sample-project\ui-addin\node_modules\webpack\node_modules\tapable\lib\HookCodeFactory.js:19:10), <anonymous>:7:1)
at SyncHook.lazyCompileHook (c:\git\sample-project\ui-addin\node_modules\webpack\node_modules\tapable\lib\Hook.js:154:20)
at Compiler.newCompilation (c:\git\sample-project\ui-addin\node_modules\webpack\lib\Compiler.js:631:26)
at c:\git\sample-project\ui-addin\node_modules\webpack\lib\Compiler.js:667:29
at eval (eval at create (c:\git\sample-project\ui-addin\node_modules\webpack\node_modules\tapable\lib\HookCodeFactory.js:33:10), <anonymous>:14:1)
at processTicksAndRejections (internal/process/task_queues.js:95:5)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:19272) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:19272) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
我验证了使用“npm ls webpack”安装的 webpack 版本并使其相同。但还没有运气。这个相同的应用程序是另一个用户计算机上的工作文件，他能够运行该加载项，但我不知道为什么会收到此错误。
我的package.json文件：
{
"name": "ui-addin",
"version": "1.0.0",
"license": "MIT",
"config": {
"app-to-debug": "excel",
"app-type-to-debug": "desktop",
"dev-server-port": 3000,
"source-bundle-url-path": "index.win32"
},
"scripts": {
"build": "webpack -p --mode production --https false",
"build:dev": "webpack --mode development --https false",
"dev-server": "webpack-dev-server --mode development",
"lint": "office-addin-lint check",
"lint:fix": "office-addin-lint fix",
"prettier": "office-addin-lint prettier",
"start": "office-addin-debugging start manifest-local.xml",
"start:desktop": "office-addin-dev-settings webview manifest-local-sr.xml edge && office-addin-debugging start manifest-local-sr.xml desktop",
"start:desktop-ie-webview": "office-addin-dev-settings webview manifest-local.xml edge && office-addin-debugging start manifest-local.xml desktop",
"start:no-shared-runtime:desktop": "office-addin-debugging start manifest-local.xml desktop",
"start:ci:desktop": "office-addin-debugging start manifest-ci.xml desktop",
"sideload-local": "office-toolbox sideload -m manifest-local.xml -a Excel",
"start:web": "office-addin-debugging start manifest-local.xml web",
"stop": "office-addin-debugging stop manifest-local.xml",
"stop:ci": "office-addin-debugging stop manifest-ci.xml",
"validate": "office-addin-manifest validate manifest-local-sr.xml",
"watch": "webpack --mode development --watch",
"test": "mocha -r ts-node/register test/*.ts",
"clear-all-cached-plugin": "rimraf \"%LOCALAPPDATA%\\Microsoft\\Office\\16.0\\Wef\""
},
"dependencies": {
"@types/jquery": "~3.5.0"
},
"devDependencies": {
"@babel/core": "~7.10.3",
"@babel/polyfill": "~7.10.1",
"@babel/preset-env": "~7.10.3",
"@openapitools/openapi-generator-cli-ihsmarkit": "~4.3.4",
"@types/custom-functions-runtime": "~1.5.1",
"@types/find-process": "~1.2.0",
"@types/mocha": "~7.0.2",
"@types/node": "~14.0.14",
"@types/office-js": "~1.0.111",
"@types/office-runtime": "~1.0.14",
"babel-loader": "~8.0.6",
"clean-webpack-plugin": "~3.0.0",
"copy-webpack-plugin": "~5.1.1",
"custom-functions-metadata-plugin": "~1.0.30",
"eslint-config-office-addins": "~1.0.15",
"file-loader": "~4.2.0",
"html-loader": "~0.5.5",
"html-webpack-plugin": "~3.2.0",
"merge-jsons-webpack-plugin": "~1.0.21",
"mocha": "~8.0.1",
"office-addin-cli": "~1.0.10",
"office-addin-debugging": "~3.0.31",
"office-addin-dev-certs": "~1.5.2",
"office-addin-dev-settings": "~1.8.3",
"office-addin-lint": "~1.0.23",
"office-addin-manifest": "~1.5.4",
"office-addin-prettier-config": "~1.0.12",
"office-addin-test-helpers": "~1.0.20",
"office-addin-test-server": "~1.0.27",
"prettier": "~1.19.1",
"rimraf": "~3.0.2",
"source-map-loader": "~0.2.4",
"ts-loader": "~6.1.0",
"ts-node": "~8.10.2",
"typescript": "~3.9.5",
"webpack": "~4.43.0",
"webpack-cli": "~3.3.12",
"webpack-dev-server": "~3.11.0"
},
"prettier": "office-addin-prettier-config"
}
这个问题是 Windows、Powershell 以及区分大小写的处理方式的一个怪癖。 我知道您使用了 Powershell，因为如果您只是打开命令提示符，则不存在此问题。 （这可能部分解释了为什么它可以在您同事的工作站上运行。）
TLDR；使用命令提示符或查找目录的确切大小写（例如使用资源管理器）并在 Powershell 中使用该大小写。
您上面显示的路径是：
c:\git\sample-project\ui-addin作为演示，我将在命令提示符中在本地创建与您相同的目录：
C:\>mkdir git\sample-project\ui-addin
C:\>cd git\sample-project\ui-addin
C:\git\sample-project\ui-addin>
让我们进入 Powershell 中的同一目录：
PS C:\> cd Git\Sample-Project\Ui-ADDIN\
PS C:\Git\Sample-Project\Ui-ADDIN>
嗯？ Powershell 确实会尊重我使用的任何情况，但也会维护它！ 我没有深入研究这个问题，无法真正理解幕后发生的事情，但无论它是什么，都足以让 npm 和 Webpack 出现问题。
就其价值而言，命令 shell 不会考虑除原始情况之外的任何情况：
C:\>cd Git\Sample-PROJECT\UI-addin\
C:\git\sample-project\ui-addin>
虽然许多资源帮助我解决了这个问题，但这个 Github 问题帮助我理解并解决了它。
上面的答案确实解决了我的问题，也就是说，如果这不能解决您的问题，则可能与此答案中所述的两个版本的 webpack 有关：