eslint-plugin-ember/lib/rules/template-link-href-attributes.js at 66570cc2c630a5336725f8af987b62b93361da5d · johanrd/eslint-plugin-ember · GitHub

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/** @type {import('eslint').Rule.RuleModule} */
module.exports = {
  meta: {
    type: 'problem',
    docs: {
      description: 'require href attribute on link elements',
      category: 'Accessibility',
      strictGjs: true,
      strictGts: true,
      url: 'https://github.com/ember-cli/eslint-plugin-ember/tree/master/docs/rules/template-link-href-attributes.md',
    },
    fixable: null,
    schema: [],
    messages: {
      missingHref:
        '<a> elements must have an href attribute. Use <button> for clickable elements that are not links.',
    },
  },

  create(context) {
    return {
      GlimmerElementNode(node) {
        if (node.tag !== 'a') {
          return;
        }

        const hasHref = node.attributes?.some((attr) => attr.name === 'href');

        if (!hasHref) {
          // Exception: <a> with both role and aria-disabled doesn't need href
          const hasRole = node.attributes?.some((attr) => attr.name === 'role');
          const hasAriaDisabled = node.attributes?.some((attr) => attr.name === 'aria-disabled');
          if (hasRole && hasAriaDisabled) {
            return;
          }

          context.report({
            node,
            messageId: 'missingHref',
          });
        }
      },
    };
  },
};