ESLint disable localStorage and sessionStorage

Question

Is there a way to configure ESLint to throw an error when the code uses localStorage or sessionStorage ?

This is needed as I use a third party library for the storage, and I want all the storage to be done through it.

I already tried searching for a plugin, with no results.

Answer 1

ESLint doesn't currently have a rule for this. id-blacklist will only prevent you from creating variables/function with the names specified. There are two open proposals for rules that would allow you to do this: no-restricted-globals and no-restricted-properties . But you could easily create a plugin that would do this, just copy no-alert rule and change the names to localStorage and sessionStorage .

Answer 2

我创建了一个ESlint 插件，它会在每次使用 sessionStorage 和 localStorage 时发出警报。

Answer 3

You can also use no-restricted-syntax , if you want to forbid all localStorage.method() calls.

'no-restricted-syntax': [
  'error',
  {
    selector: "CallExpression[callee.object.name='localStorage']",
    message: 'Do not use `localStorage` directly, use the storage wrapper instead',
  },
  {
    selector: "CallExpression[callee.object.name='sessionStorage']",
    message: 'Do not use `sessionStorage` directly, use the storage wrapper instead',
  },
],