How can I call a function defined in an Angular component in a JavaScript file?-CodePudding

In a .ts file, I have the following code

export class SomeClass {
    .
    .
    .
    public someMethod() {
        ...
    }
}

I want to call this someMethod method in a .js file.

I tried

import { SomeClass } from '../../../../SomeClass';
.
.
.
SomeClass.someMethod();

but got the following error:

someMethod is not a function

Do I have to make the method static?

I prefer not because it calls other methods and I will have to make all of them static.

Can I create an instance of this class in the .js file?

Thanks!

CodePudding user response：

possible way

u can build your ts files using build command and convert it to javascript then call it in your js file

this should work

CodePudding user response：

there are two solutions either create instance of the class first then use public method like

let class = new SomeClass();
class.someMethod();

or make it static Method then your code will compile successfully

CodePudding user response：

Futhermore create a instance of the class, you can also use some like

export function MyClass() {
    return new SomeClass()
}

Or if you neeed a constructor

export function MyClass(args) {
    return new SomeClass(args)
}
class SomeClass{
   constructor(arg){this._arg=arg}
}

You can in .ts

import { MyClass} from '...';

@Component({
   ...
})
export class AppComponent {
  MyClass=MyClass //<--if you want to use in .html
  ....
  myfunction(){
     MyClass.someMethod();
     //or
     const obj=MyClass();
     obj.someMethod();
  }
}

You can also, if only defined functions use a const

export const Utils{
    someFunction:()=>{console.log("hello"}
}

And then you use simply Utils.someFunction()