Experimenting with integrating an external JavaScript library into Angular 5

I've noticed similar questions but I'm still struggling to make it work...

My goal is to implement slick.js in my Angular application. I downloaded the necessary files and placed them in the assets folder.

I have added the libraries in my

angular.cli.json

"styles": [
    "./assets/scripts/slick-1.8.0/slick.css",
    "./assets/scripts/slick-1.8.0/slick-theme.css"
],
"scripts": [
    //jQuery imports above
    "./assets/scripts/slick-1.8.0/slick.min.js"
]

Then, in my component...

import { Component, OnInit, Injector } from '@angular/core';
import { AppComponentBase } from '@shared/common/app-component-base';
import * as Slick from '../../../../assets/scripts/slick-1.8.0/slick/slick.min.js';
@Component({
    selector: 'app-di-type2',
    templateUrl: './di-type2.component.html',
    styleUrls: ['./di-type2.component.scss']
})

export class DiType2Component extends AppComponentBase implements OnInit {

   public constructor(
    injector: Injector
   ) {
     super(injector);
   }

   ngOnInit() {
      const slideContainer = document.querySelector('.slider');
      slideContainer.slick({
         autoplay: true,
         autoplaySpeed: 3500,
      });
   }

}

Based on my research about importing external JavaScript libraries into an Angular application, this should be working.. However, I'm encountering an error in vscode that says

[ts] Property 'slick' does not exist on type 'Element'.any

In addition, in my console, I'm receiving the following error:

https://i.sstatic.net/IDc11.png

Any assistance would be highly appreciated!

Thank you!

Answer №1

Learn how to setup Slick.js with Node and NPM

Click here for Node.js

npm install slick-carousel --save

Check out the Slick Carousel package on NPM

After installing this npm package, it will be added as a dependency in your package.json file.

Next, import Slick into your project:

import 'slick-carousel';

someElement.slick();

Answer №2

To define the library as a variable of type "any" (assuming it lacks typing definitions *.d.ts), you can declare it after importing it into your component and including the script in your index.html:

declare let <yourlib>: any;

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