nl_tokens: / * First tries to get the value for the key . If the key is not present then inserts a new map and returns it
pl_tokens: function insertDependentKey ( map , key , currentIndex , arr ) { const weakMapKey = key || STATIC_FALSY_KEY ; const existingMap = map . get ( weakMapKey ) ; if ( existingMap ) { return existingMap ; } const newMap = currentIndex === arr . length - 1 ? new Map ( ) : new WeakMap ( ) ; <mask> . set ( weakMapKey , newMap ) ; return newMap ; }