npm i @alexlit/config-htmllint -D

• Default (see rules enabled by default)

  // linthtml.config.js
  import { createConfig } from '@alexlit/config-htmllint';
  
  export default createConfig();

• Custom

  // linthtml.config.js
  import { createConfig } from '@alexlit/config-htmllint';
  
  export default createConfig({
    'attr-name-ignore-regex': false,
  
    rules: {
      'indent-width': [true, 4],
    },
  });

vscode-linthtml