nl_tokens: Checks whether the typeof operator is used with the correct value . For docs on typeof see : https : // developer . mozilla . org / en - US / docs / Web / JavaScript / Reference / Operators / typeof
pl_tokens: function isTypoTypeof ( left , right , <mask> ) { var values ; if ( state . option . notypeof ) return false ; if ( ! left || ! right ) return false ; values = state . inESNext ( ) ? typeofValues . es6 : typeofValues . es3 ; if ( right . type === "(identifier)" && right . value === "typeof" && left . type === "(string)" ) return ! _ . contains ( values , left . value ) ; return false ; }