jsx-eslint/eslint-plugin-react

Rule proposal: ssr-friendly

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#2 057 ouverte le 26 nov. 2018

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Description

In order to be SSR compliant, you can only access browser globals such as window, document and so on, inside of componentDidMount, componentDidUpdate and componentWillUnmount

A rule could be created to avoid the use of unguarded browser globals in other lifecycle methods.

Example of a guard:

if (typeof window !== 'undefined') {
 // I can use browser globals in here
}

Use of browser globals are allowed when:

  • used in a guard
  • used in componentDidMount, componentDidUpdate and componentWillUnmount
  • used in useEffect or useLayoutEffect
  • used in an event handler

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