ember-template-lint/lib/rules/no-block-params-for-html-elements.js

Linter for Ember or Handlebars templates.

import isAngleBracketComponent from '../helpers/is-angle-bracket-component.js';
import Rule from './_base.js';

export default class NoBlockParamsForHtmlElements extends Rule {
  /**
   * @returns {import('./types.js').VisitorReturnType<NoBlockParamsForHtmlElements>}
   */
  visitor() {
    return {
      ElementNode(node) {
        if (
          node.blockParams.length !== 0 &&
          !isAngleBracketComponent(this.scope, node) &&
          !node.tag.startsWith(':') &&
          !node.tag.includes('.')
        ) {
          this.log({
            message: NoBlockParamsForHtmlElements.generateErrorMessage(node.tag),
            node,
          });
        }
      },
    };
  }

  static generateErrorMessage(tagName) {
    return `Block parameters on <${tagName}> elements are disallowed`;
  }
}