Ways to resolve the eslint issue of no-use-before-define

While following Airbnb's style guide, I encountered an issue with a couple of functions that reference each other. This error occurs regardless of the order in which the functions are defined. Are there any best practices for resolving this error other than simply disabling it?

function foo() {
    const ham = document.querySelector('#ham');
    ham.onclick = () => {
        bar();
    };
}

function bar() {
    const spam = document.querySelector('#spam');
    spam.onclick = () => {
        foo();
    };
}

Answer №1

Consider disabling the first function due to its popularity in your use case:

function foo() {
    const ham = document.querySelector('#ham');
    ham.onclick = () => {
        /* eslint-disable no-use-before-define */
        bar();
    };
}

Alternatively, you can encapsulate them in a literal object to address the problem:

const wrapper = {
  foo() {
    const ham = document.querySelector<HTMLDivElement>('#ham');
    ham.onclick = () => {
        wrapper.bar();
    };
  },

  bar() {
    const spam = document.querySelector<HTMLDivElement>('#spam');
    spam.onclick = () => {
        wrapper.foo();
    };
  }
};

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