Getting Current Logged in User information in Lightning Web Component(lwc)

userDetails.html:

<template>
    <lightning-card title="Current Logged User Information">
        <template if:true={objUser}>
            <dl class="slds-list_horizontal slds-wrap" style="margin-left: 3%;">
                <dt class="slds-item_label slds-truncate" title="First Name">First Name:</dt>
                <dd class="slds-item_detail slds-truncate"><b>{objUser.FirstName}</b></dd>
                <dt class="slds-item_label slds-truncate" title="Last Name">Last Name:</dt>
                <dd class="slds-item_detail slds-truncate"><b>{objUser.LastName}</b></dd>
                <dt class="slds-item_label slds-truncate" title="Full Name">Name:</dt>
                <dd class="slds-item_detail slds-truncate"><b>{objUser.Name}</b></dd>
                <dt class="slds-item_label slds-truncate" title="Alias">Alias:</dt>
                <dd class="slds-item_detail slds-truncate"><b>{objUser.Alias}</b></dd>
                <dt class="slds-item_label slds-truncate" title="Active">Is Active:</dt>
                <dd class="slds-item_detail slds-truncate"><b>{objUser.IsActive}</b></dd>
            </dl>
        </template>
    </lightning-card>

</template>

userDetails.js:

import { LightningElement, track, wire} from 'lwc';

// To get the record details based on record id
import { getRecord } from 'lightning/uiRecordApi';

// impoting USER id
import USER_ID from '@salesforce/user/Id'; 

export default class CurrentUserDetailsInLWC extends LightningElement {

    @track objUser = {};
    
    // using wire service getting current user data
    @wire(getRecord, { recordId: USER_ID, fields: ['User.FirstName', 'User.LastName', 'User.Name', 'User.Alias', 'User.IsActive'] })
    userData({error, data}) {
        if(data) {
            window.console.log('data ====> '+JSON.stringify(data));

            let objCurrentData = data.fields;

            this.objUser = {
                FirstName : objCurrentData.FirstName.value,
                LastName : objCurrentData.LastName.value,
                Name : objCurrentData.Name.value,
                Alias : objCurrentData.Alias.value,
                IsActive : objCurrentData.IsActive.value,
            }
        } 
        else if(error) {
            window.console.log('error Occured====> '+JSON.stringify(error))
        } 
    }


}
userDetails.js-meta.xml:

<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata">
    <apiVersion>48.0</apiVersion>
    <isExposed>true</isExposed>
    <targets>
        <target>lightning__AppPage</target>
        <target>lightning__RecordPage</target>
        <target>lightning__HomePage</target>
    </targets>

</LightningComponentBundle>