no-duplicate-class

This rule disallows duplicate class names in class attributes.

How to use

.eslintrc.js

module.exports = {
  rules: {
    "@html-eslint/no-duplicate-class": "error",
  },
};

Rule Details

Examples of incorrect code for this rule:

<div class="btn btn primary btn"></div>

Examples of correct code for this rule:

<div class="btn primary"></div>