How to check alphabet sorting with cypress

I have a 2 variables and want to checking alphabetically sort for its.

This is my code

cy.get('.list-item').eq(1)
  .find('.activity-name span')
  .invoke('text')
  .then(text => {
    const first = text;
    cy.get('.activity').click();
    cy.get('.list-item').eq(1)
    .find('.activity-name span')
    .invoke('text')
    .then(text => {
        const second = text;
        // Here I want to check if the result of first element  is equal second-variable
     });
});

Pls help me. How can I do it with cypress