javascript - Eslint rule to ensure minimum variable name length, but not on JSON? - Stack Overflow

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Our code has bee a bit of a maintenance nightmare due to previous developers being liberal with single letter variables and little documentation. The latter we could deal with if the variables names were meaningful and self-descriptive. For this reason we are trying to set up eslint to avoid this going forward.

Our requirements:

1. minimum of two characters, since id would be an acceptable variable
2. allow i and j, since they are monly used in 'for' loops as indexes
3. allow single letter properties on json, to allow point = { x: 2, y: 2 }

So far the best we have e up with is:

"id-length": [2, { "exceptions": ["i", "j"] }]

This covers points 1 and 2, but fails for point 3. Quoting single letter json attributes does not work for us to the quote-props rule being present and that we would rather keep.

Can anyone suggest an eslint configuration that would allow to support all three requirements?

Our code has bee a bit of a maintenance nightmare due to previous developers being liberal with single letter variables and little documentation. The latter we could deal with if the variables names were meaningful and self-descriptive. For this reason we are trying to set up eslint to avoid this going forward.

Our requirements:

1. minimum of two characters, since id would be an acceptable variable
2. allow i and j, since they are monly used in 'for' loops as indexes
3. allow single letter properties on json, to allow point = { x: 2, y: 2 }

So far the best we have e up with is:

"id-length": [2, { "exceptions": ["i", "j"] }]

This covers points 1 and 2, but fails for point 3. Quoting single letter json attributes does not work for us to the quote-props rule being present and that we would rather keep.

Can anyone suggest an eslint configuration that would allow to support all three requirements?

• javascript
• node.js
• eslint

Share Improve this question Follow asked Aug 25, 2020 at 20:02 Andre MAndre M 7,59899 gold badges6464 silver badges107107 bronze badges

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1 Answer 1

Sorted by: Reset to default 8

ESLint allows the rule to not be applied on object properties with "properties": never. It's not enabled by default, so you have to specify it deliberately.

"rules": {
  "id-length": [ 2, { "exceptions": ["i", "j"], "properties": "never" }]
}

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