无论我做什么,vscode都不会显示建议

Visual studio不显示建议。 例如,我正在导出两个东西,mongoConnect和getDb。

const mongodb = require("mongodb");
const MongoClient = mongodb.MongoClient;

let _db;

const mongoConnect = (callback) => {
  MongoClient.connect("mongodb://0.0.0.0:27017")
    .then((client) => {
      console.log("Connected!");
      _db = client.db("shop");
      // callback();
    })
    .catch((err) => {
      console.log(err);
      throw err;
    });
};

const getDb = () => {
  if (_db) {
    return _db;
  }
  throw "No database found!";
};

exports.mongoConnect = mongoConnect;
exports.getDb = getDb;

在这里,在为db分配值之后调用方法显示它所具有的所有属性,但是

当我在其他文件中这样使用它时 const db=getDb();

它没有显示这个数据库变量在id变量为的数据库文件中所具有的属性。但工作正常。

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  "vsintellicode.modify.editor.suggestSelection": "automaticallyOverrodeDefaultValue",
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  "workbench.colorCustomizations": {},
  "liveServer.settings.donotShowInfoMsg": true,
  "workbench.sideBar.location": "right",
  "editor.cursorBlinking": "phase",
  "files.autoSave": "afterDelay",
  "files.autoSaveDelay": 3,
  "editor.fontFamily": "Fira Code",
  "editor.fontLigatures": true,
  "liveServer.settings.donotVerifyTags": true,
  "javascriptBooster.formattingOptions": {},
  "typescript.validate.enable": false,
  "prettier.embeddedLanguageFormatting": "off",
  "editor.formatOnSave": true,
  "prettier.quoteProps": "preserve",
  "tabnine.experimentalAutoImports": true,
  "bracketPairColorizer.consecutivePairColors": [
    "()",
    "[]",
    "{}",
    //gold, orchid, lightskyblue
    ["Orange", "Amber", "Gold"],
    "Red"
  ],
  "bracketPairColorizer.colorMode": "Independent",
  "vsicons.dontShowNewVersionMessage": true,
  "files.exclude": {
    "**/.classpath": true,
    "**/.project": true,
    "**/.settings": true,
    "**/.factorypath": true
  },
  "security.workspace.trust.untrustedFiles": "open",
  "[dart]": {
    "editor.formatOnSave": true,
    "editor.formatOnType": true,
    "editor.rulers": [80],
    "editor.selectionHighlight": false,
    "editor.suggest.snippetsPreventQuickSuggestions": false,
    "editor.suggestSelection": "first",
    "editor.tabCompletion": "onlySnippets",
    "editor.wordBasedSuggestions": false,
    "editor.defaultFormatter": "Dart-Code.dart-code",
    "editor.wordWrap": "wordWrapColumn",
    "diffEditor.wordWrap": "on",
    "editor.wordWrapColumn": 90
  },
  "dart.hotReloadOnSave": "manual",
  "dartImport.fixOnSave": true,
  "workbench.colorTheme": "GitHub Light Default",
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  "dart.showInspectorNotificationsForWidgetErrors": false,
  "editor.codeLensFontFamily": "Fira Code Light",
  "editor.fontWeight": "normal",
  "files.associations": {
    "*.java": "java",
    "*.js": "javascriptreact"
  },
  "dart.flutterCreatePlatforms": ["android", "windows", "web"],
  "[markdown]": {
    "editor.wordWrap": "on",
    "editor.wordWrapColumn": 80,
    "diffEditor.wordWrap": "inherit"
  },
  "editor.tabSize": 2,
  "workbench.iconTheme": "vscode-icons",
  "window.menuBarVisibility": "toggle",
  "workbench.layoutControl.enabled": false,
  "workbench.editor.tabSizing": "shrink",
  "editor.fontSize": 16,
  "window.commandCenter": true,
  "[javascriptreact]": {
    "editor.formatOnSave": true,
    "editor.defaultFormatter": "esbenp.prettier-vscode"
  },
  "explorer.confirmDragAndDrop": false,
  "editor.minimap.enabled": false,
  "editor.codeActionsOnSave": {},
  "fluttergpt.apiKey": "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",
  "chat-gpt.lang": "en",
  "workbench.startupEditor": "none",
  "eslint.codeAction.disableRuleComment": {
    "location": "sameLine"
  }
}

我试过的

1. 更新了内置的typescript和javascript扩展
2. 已安装esint扩展
3. 已安装intellicode扩展