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node js表达无法解析节点模块合并描述符

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node js表达无法解析节点模块/合并描述符

node js表达无法解析节点模块/合并描述符

我有一个简单的node.js Express应用程序。

当我运行npm run serve时,出现错误提示。

在我的node_modules文件夹中,我可以看到merge-descriptors文件夹,但是当我尝试启动express server时,似乎是在抱怨找不到组件。

我的路径正确设置了node_modules/.bin

internal/modules/cjs/loader.js:583
throw err;
^

错误:找不到模块'merge-descriptors'在Function.Module._resolveFilename(内部/模块/cjs/loader.js:581:15)在Function.Module._load(内部/模块/cjs/loader.js:507:25)在Module.require(internal / modules / cjs / loader.js:637:17)在要求时(内部/模块/cjs/helpers.js:22:18)在对象。 (/tmp/site/node_modules/express/lib/express.js:16:13)在Module._compile(内部/模块/cjs/loader.js:689:30)在Object.Module._extensions..js(内部/模块/cjs/loader.js:700:10)在Module.load(internal / modules / cjs / loader.js:599:32)在tryModuleLoad(内部/模块/cjs/loader.js:538:12)在Function.Module._load(internal / modules / cjs / loader.js:530:3)

回答如下:

嗨,我也遇到了同样的问题,我试图在其中部署我的应用程序,但它始终无法在ibm cloud ci / cd上失败。我的问题是总是找不到某些模块。找不到的模块列表(安装前一个模块时,每次出现一次)如下:

  1. 深度
  2. 合并描述符
  3. 最终处理者
  4. 调试
  5. encodeurl
  6. escape-html
  7. esm等等...

这继续进行,但是我没有继续安装更多丢失的npm软件包。

    {
      "name": "MERN_1",
      "version": "1.1.0",
      "description": "MERN App",
      "private": true,
      "engines": {
        "node": "^8.11.1"
      },
      "scripts": {
        "start": "node server/server.js",
        "debug": "nf --procfile Procfile-debug --port 3000 start",
        "debug:legacy": "node --debug=0.0.0.0:5858 server/server.js",
        "test": "nyc mocha --exit",
        "dev": "nf --procfile Procfile-dev --port 3000 start",
        "build": "webpack --progress --config webpack.prod.js",
        "postinstall": "npm run build",
        "lint": "eslint src",
        "client-reload": "webpack-dev-server --host 0.0.0.0  --history-api-fallback --progress --inline --config webpack.dev-standalone.js",
        "server-reload": "nodemon server/server.js"
      },
      "nodemonConfig": {
        "env": {
          "NODE_HEAPDUMP_OPTIONS": "nosignal"
        }
      },
      "dependencies": {
        "@material-ui/lab": "^4.0.0-alpha.23",
        "@sendgrid/mail": "^6.4.0",
        "bcrypt": "^3.0.6",
        "body-parser": "^1.19.0",
        "clone-deep": "^4.0.1",
        "config": "^3.2.2",
        "connect-mongo": "^1.3.2",
        "dotenv": "^8.0.0",
        "eslint": "^6.1.0",
        "express": "^4.17.1",
        "express-session": "^1.16.2",
        "jsonwebtoken": "^8.5.1",
        "log4js": "^3.0.5",
        "moment": "^2.24.0",
        "mongoose": "^4.13.19",
        "request": "^2.88.0"
      },
      "devDependencies": {
        "@babel/core": "^7.5.5",
        "@babel/helper-create-class-features-plugin": "^7.5.5",
        "@babel/plugin-proposal-class-properties": "^7.5.5",
        "@babel/preset-env": "^7.5.5",
        "@babel/preset-react": "^7.0.0",
        "@material-ui/core": "^4.3.2",
        "@material-ui/icons": "^4.1.0",
        "array-move": "^2.1.0",
        "axios": "^0.18.1",
        "babel-loader": "^8.0.0",
        "chai": "^4.0.0",
        "copy-webpack-plugin": "^4.5.1",
        "css-loader": "^3.2.0",
        "foreman": "^3.0.1",
        "history": "^4.9.0",
        "html-webpack-plugin": "^3.2.0",
        "mocha": "^5.2.0",
        "node-sass": "^4.8.3",
        "nodemon": "^1.12.1",
        "nyc": "^14.1.1",
        "react": "^16.9.0",
        "react-dom": "^16.9.0",
        "react-redux": "^6.0.1",
        "react-router-dom": "^5.0.0",
        "react-sortable-hoc": "^1.9.1",
        "react-virtualized": "^9.21.1",
        "redux": "^4.0.4",
        "redux-thunk": "^2.3.0",
        "sass-loader": "^7.2.0",
        "style-loader": "^0.21.0",
        "webpack": "^4.39.2",
        "webpack-cli": "^3.3.6",
        "webpack-dev-server": "^3.8.0",
        "webpack-merge": "^4.1.1"
      }
    }

[当我尝试使用控制台(如git push)通过ibm工具链推送完全相同的项目时,它说无法部署该应用程序,并且在检查日志时发现模块未找到错误...

[当我尝试使用ibmcloud登录进行推送时,将--cf和cf push作为目标,则该应用程序被成功推送。我不确定错误是从哪里来的。

请参见manifest.yml文件以下:

       applications:
    - buildpacks: ['sdk-for-nodejs']
      command: npm prune --production && NODE_ENV=production npm start
      domain: null
      env:
        NPM_CONFIG_PRODUCTION: false
        NODE_MODULES_CACHE: false
      host: null
      instances: 1
      memory: 256M
      name: mern_1
      timeout: 360
    domain: null
    host: null

我还尝试安装具有相同项目配置的新工具链,但同样失败。

非常感谢有人可以提示我解决此问题?

谢谢

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