no-shared-component-data.js

/**
 * @fileoverview Enforces component's data property to be a function.
 * @author Armano
 */
'use strict'

const utils = require('../utils')

function create (context) {
  // ----------------------------------------------------------------------
  // Public
  // ----------------------------------------------------------------------

  return Object.assign({},
    utils.executeOnVueComponent(context, (obj) => {
      obj.properties
        .filter(p =>
          p.type === 'Property' &&
          p.key.type === 'Identifier' &&
          p.key.name === 'data' &&
          p.value.type !== 'FunctionExpression' &&
          p.value.type !== 'Identifier'
        )
        .forEach(cp => {
          context.report({
            node: cp.value,
            message: '`data` property in component must be a function'
          })
        })
    })
  )
}

// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------

module.exports = {
  meta: {
    docs: {
      description: "Enforces component's data property to be a function.",
      category: 'Possible Errors',
      recommended: false
    },
    fixable: null,  // or "code" or "whitespace"
    schema: [
      // fill in your schema
    ]
  },

  create
}