Best practices for handling errors beyond network problems when using the fetch() function

I am facing a situation where the route of my fetch() call can result in two different responses, each requiring a different action. However, I have noticed that the catch() method only handles network errors as far as I know.

Currently, my code looks like below, but I can't help but feel that there might be a more efficient way to handle this scenario. Is there a better approach?

fetch(`${this.baseUrl}/wp-json/contact/v1/send`, {
  method: 'POST',
  body: formData
})
  .then((res) => {
    if (res.status === 304) {
      // perform specific action
    } else {
      // perform another action
    }
  })
  .catch(error => {
    console.log(error)
  })
javascriptvue.jspromisefetch

Answer №1

When utilizing async and await, it is recommended to implement the traditional try...catch...finally for error handling.

try {
    await fetch(`${this.baseUrl}/wp-json/contact/v1/send`, {
            method: 'POST',
            body: formData
          })

} catch (e) {
    console.error(e);
} finally {
    console.log('Any necessary cleanup tasks can be performed here');
}

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