cannot find module 'jspdf-autotable' and 'jspdf' or its corresponding type declarations

mycomponent.ts

import  jsPDF  from 'jspdf';
import autoTable from 'jspdf-autotable';

export class Component implements OnInit {
.
.
.
 exportPdf() {

    const doc = new jsPDF('p', 'pt');
 columns = [...]

    autoTable(doc, {
      columns: this.columns,
      body: this.data,
      didDrawPage: (dataArg) => {
        doc.text('data', dataArg.settings.margin.left, 10);
      }
    });
    doc.save('data.pdf');
  }
}

package.json

 "dependencies": {

    "jspdf": "^2.5.1",
    "jspdf-autotable": "^3.5.23"

}
 

I installed my npm packages with npm i jspdf and npm i jspdf-autotable but the same errors persist. I don’t understand what should I do. Are the versions wrong?

>Solution :

You have to install @types/jspdf and @types/jspdf-autotable as dev-dependencies.

If you use yarn:

yarn add -D @types/jspdf @types/jspdf-autotable

For npm use:

npm install @types/jspdf @types/jspdf-autotable --save-dev