Dynamic Function in LWC

.js

import { LightningElement } from 'lwc';

export default class DynamicFunctionInvocation extends LightningElement {
    handleDynamicInvocation(recordId) {
        const prefixToHandler = {
            '001': this.handleAccounts,
            '003': this.handleContacts,
            '006': this.handleOpportunities,
            // ...
        };

        const recordPrefix = recordId.substring(0, 3);

        if (!prefixToHandler[recordPrefix]) {
            throw new Error('Record Type not supported');
        }

        prefixToHandler[recordPrefix](recordId);
    }

    handleAccounts = (recordId) => {
        // ...
    }

    handleContacts = (recordId) => {
        // ...
    }

    handleOpportunities = (recordId) => {
        // ...
    }
}