How can I use ESLint no-unused-vars for a block of code?

问题

I need to disable some variable checks in ESLint.

Currently, I am using this code, but am not getting the desired result:

/* eslint no-unused-vars: ["error", { "caughtErrorsIgnorePattern": "Hey" }] */
export type Hey = {
  a: string,
  b: object
}

Two questions:

• Is there a variant which can enable no-unused-vars for a block of code?

Something like...

/* eslint rule disable"*/

// I want to place my block of code, here

/* eslint rule disable"*/

• Or could I make Hey a global variable so that it can be ignored everywhere?

回答1:

Just use pair of lines:

/* eslint-disable no-unused-vars */

// ... your code here with unused vars...

/* eslint-enable no-unused-vars */

回答2:

Alternatively, you can disable the rule for one line:

// Based on your Typescript example

export type Hey = { // eslint-disable-line no-unused-vars
  a: string,
  b: object
}

回答3:

One more option...

function doStuff({
  // eslint-disable-next-line no-unused-vars
  unused,
  usedA,
  usedB
}) {

回答4:

For typescript eslint users just add this at the end of line you wish to ignore:

// eslint-disable-line @typescript-eslint/no-unused-vars

来源：https://stackoverflow.com/questions/46284405/how-can-i-use-eslint-no-unused-vars-for-a-block-of-code