no-duplicate-class

This rule disallows duplicate class names in class attributes.

How to use

.eslintrc.js

import svelteParser from "svelte-eslint-parser";
export default  [
 {
    files: ["**/*.svelte"],
    plugins: {
      "@html-eslint/svelte": htmlSvelte,
    },
    languageOptions: {
      parser: svelteParser,
    },
    rules: {
         "@html-eslint/svelte/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>