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Cypress._

Cypress automatically includes lodash and exposes it as Cypress._. Call any valid Lodash method on Cypress._

Syntax​

Cypress._.method();

Usage​

Correct Usage

Cypress._.keys(obj);

Incorrect Usage

cy._.keys(obj); // Errors, cannot be chained off 'cy'

Examples​

_.each​

// set local reference to lodash and jquery
const { _, $ } = Cypress;

cy.get("li").then(($li) => {
  // use the _.each function
  _.each($li.get(), (el, i) => {
    // use $(...) to wrap the DOM element
    // into a jQuery object
    expect($(el).parent()).to.match("ul");
  });
});

_.chain​

cy
  // use the _.chain, _.map, _.take, and _.value functions
  .request("http://jsonplaceholder.typicode.com/users")
  .then((response) => {
    const ids = Cypress._.chain(response.body).map("id").take(3).value();

    expect(ids).to.deep.eq([1, 2, 3]);
  });

See also​