Error Encountered when Trying to Utilize Vue Component Getter in TypeScript Mixin (Error Code: TS233

Here is the code snippet that I am currently working with:

import {Component, Vue} from 'vue-property-decorator';

@Component({})
export default class MyMixin extends Vue {
scrollToTop(): void {
        let scrollingWrapper: any = (this.$refs[this.activeTab] as Vue).$refs['scrolling-wrapper'];
        ...
    }
}

Next,

export default class MyModal extends MyMixin {
        get activeTab(): string {
            return myStore.activeTab;
        }
}

The mixin successfully calls the component's getter and everything seems to be functioning correctly. However, I am encountering an error message stating TS2339: Property activeTab does not exist on type 'MyMixin'.

Answer №1

Here is where you can try giving it a definition

import {Component, Vue} from 'vue-property-decorator';

@Component({})
export default class CustomMixin extends Vue {

activeTab: any;
scrollToTop(): void {
        let scrollingContainer: any = (this.$refs[**this.activeTab**] as Vue).$refs['scrolling-container'];
        ...
    }
}

Answer №2

This may not be the most ideal solution, but at the moment I haven't been able to come up with a better one. I decided to cast this to any before making the method call.

let scrollingWrapper: any = (this.$refs[(this as any).activeTab] as Vue).$refs['scrolling-wrapper'];

I appreciate all the help from everyone involved.

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