Rule proposal: prefer-dataset

[sindresorhus]

Prefer the .dataset property on DOM elements over using setAttribute.

We would detect setAttribute and that the string starts with data-.

Examples

// ❌
element.setAttribute('data-unicorn', '🦄');

// ✅
element.dataset.unicorn = '🦄';

[lexcorp16]

@sindresorhus how can I get started with this?

[sindresorhus]

@lexcorp16 https://github.com/sindresorhus/eslint-plugin-unicorn/blob/d083f162a2ccaeb730e4ae284ac0af4d7c04d01f/docs/new-rule.md :)

[udaypydi]

if @lexcorp16 has not started, I would like to get started with this @sindresorhus .

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