code: function getValueIfEnabled(expr, source, path) {
    if (!options.deep && expr.includes('@')) {
      console.error(`[Vuex Pathify] Unable to access sub-property for path '${expr}':
      - Set option 'deep' to 1 to allow it`)
      return
    }
    return getValue(source, path)
  }
docs: Utility function to get value from store, but only if options allow
  
  @param   {string}  expr    The full path expression
  @param   {object}  source  The source object to get property from
  @param   {string}  path    The full dot-path on the source object
  @returns {*}