how to use the isempty function from the underscore library in javascript

index.tsx
const _ = require('underscore');

const emptyObj = {};
const nonEmptyObj = {a: 1};
const emptyArr = [];
const nonEmptyArr = [1];
const emptyStr = '';
const nonEmptyStr = 'example';

console.log(_.isEmpty(emptyObj)); // true
console.log(_.isEmpty(nonEmptyObj)); // false
console.log(_.isEmpty(emptyArr)); // true
console.log(_.isEmpty(nonEmptyArr)); // false
console.log(_.isEmpty(emptyStr)); // true
console.log(_.isEmpty(nonEmptyStr)); // false
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