nl_tokens: Checks node is the first argument of its parent .
pl_tokens: function isNodeFirstArgument ( node ) { if ( ! node . <mask> . arguments ) { return false ; } return equal ( node , node . parent . arguments [ 0 ] ) ; // var firstToken = context.getTokenBefore(node), // 	startLine = node.loc.start.line, // 	endLine = firstToken ? firstToken.loc.end.line : -1; // // var previous = findNodeOfInterest(firstToken); // // if (previous === undefined || getCallee(node.parent) === undefined) { // 	debugger; // } // // if (equal(previous, getCallee(node.parent))) { // 	return true; // } // // return startLine !== endLine; }