text: /**
   * @author Yosuke Ota
   * See LICENSE file in root directory for full license.
   */
  'use strict'
  
  // ------------------------------------------------------------------------------
  // Requirements
  // ------------------------------------------------------------------------------
  
  const utils = require('../utils')
  
  // ------------------------------------------------------------------------------
  // Rule Definition
  // ------------------------------------------------------------------------------
  
  module.exports = {
    meta: {
      type: 'problem',
      docs: {
        description:
          'disallow using deprecated the `functional` template (in Vue.js 3.0.0+)',
        categories: ['vue3-essential'],
        url:
          'https://eslint.vuejs.org/rules/no-deprecated-functional-template.html'
      },
      fixable: null,
      schema: [],
      messages: {
        unexpected: 'The `functional` template are deprecated.'
      }
    },
    /**
     * @param {RuleContext} context - The rule context.
     * @returns {RuleListener} AST event handlers.
     */
    create(context) {
      return {
        Program(program) {
          const element = program.templateBody
          if (element == null) {
            return
          }
  
          const functional = utils.getAttribute(element, 'functional')
  
          if (functional) {
            context.report({
              node: functional,
              messageId: 'unexpected'
            })
          }
        }
      }
    }
  }
  