An issue has occurred with error code TS2688: The type definition file for 'jquery' cannot be located. [Angular Application] --

I am currently working on developing an Angular web application with a specific theme that requires the inclusion of CSS and JS files. Majority of the JS files needed are jquery plugins, so I made sure to install them using the following commands:

npm i jquery --only=dev
npm i @types/jquery --save

In my imports section, I added the line:

import * as $ from 'jquery';

Below is the dependencies section in my package.json file:

"dependencies": {
    "@angular/animations": "~8.2.3",
    "@angular/common": "~8.2.3",
    "@angular/compiler": "~8.2.3",
    "@angular/core": "~8.2.3",
    "@angular/forms": "~8.2.3",
    "@angular/platform-browser": "~8.2.3",
    "@angular/platform-browser-dynamic": "~8.2.3",
    "@angular/router": "~8.2.3",
    "@types/jquery": "^3.3.31",
    "jquery": "^3.4.1",
    "rxjs": "~6.4.0",
    "tslib": "^1.10.0",
    "zone.js": "~0.9.1"
  },

The main issue I'm facing is this error message: 

ERROR in error TS2688: Cannot find type definition file for 'jquery'.
Despite installing both packages and even trying out suggestions such as removing the @types/jquery line from dependencies, none of the solutions seem to work. Can someone shed light on the TS2688 error code? I also looked through this thread for guidance: Angular 8 Using Jquery

If you can provide any insights or spot where I might be going wrong, I would greatly appreciate it. Apologies if my question sounds too basic. Your help with this matter is valuable,

Thank you,

jqueryangulartypescriptnpmangular8

Answer №1

After commenting out the types line in package.json, make sure to remove the corresponding types package from your node_modules directory.

Alternatively,

import $ from 'jquery';

instead of

import * as $ from 'jquery';

Also, ensure that you have the types package installed.

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