How do you disable no-plusplus when using eslint?

Question

When using eslint in Visual Studio Code, AirBnB style Ubuntu Linux, no-plusplus is enabled as default so using ++ for example in a for loop will error: [eslint] Unary operator '++' used. (no-plusplus)

How do you disable that setting?

Mandorla

Answer 1

You can just override it in your .eslintrc.js file as follows:

'no-plusplus': 'off'

or if you don't want to disable it completely but only for for-loops:

'no-plusplus': [2, { allowForLoopAfterthoughts: true }]

Arnaldo

Do I need to surround this with anything? I'm getting this error: (function (exports, require, module, __filename, __dirname) { 'no-plusplus': 'off' ^ SyntaxError: Unexpected token : – Cox

For newer versions of ESLint, use "allowForLoopAfterthoughts": true, as explained on the docs: eslint.org/docs/rules/no-plusplus#options – Destiny

You can simple write <variable> += 1 instead, as suggested by ESLint. – Torrent

Answer 2

You can also write variable += 1 instead, as suggested by ESLint.

Brutality

I think this is the best answer – Aisne

@БагдаулетСайын except it doesn't even answer the question ... – Gaylordgaylussac

Answer 3

You can locate the file location you need to alter on Linux by searching for the keyword using grep, in this case to search for the file containing plusplus when in the folder eslint was installed use

grep -r plusplus

The correct file will be the eslint-config file, in this case it should be: node_modules/eslint-config-airbnb-base/rules/style.js

To disable the setting comment out the no-plusplus line, you can easily re-enable if required:

// 'no-plusplus': 'error',

Mandorla

editing a file in node_modules shouldn't be considered the "correct way" to do something – Per

Answer 4

Or you can go like this:

'no-plusplus': 0,

Swallowtailed

Answer 5

You can simply write your declared variable += 1 instead, as suggested by ESLint.

varible++ is similar as variable+=1.

Torrent

This answer was already suggested prior to your answer by Fabian? Some users may down-vote this as it is not adding anything new and removing credit from Fabian, suggest removing – Mandorla