Transforming values as they pass through the operator chain is a common task. These operators provide transformation techniques for nearly any use-case you will encounter.

💡 New to transformation operators? Check out the article Get started transforming streams with map, pluck, and mapTo!

Contents

• ​buffer​

• ​bufferCount​

• ​bufferTime ⭐

• ​bufferToggle​

• ​bufferWhen​

• ​concatMap ⭐

• ​concatMapTo​

• ​exhaustMap​

• ​expand​

• ​groupBy​

• ​map ⭐

• ​mapTo​

• ​mergeMap / flatMap ⭐

• ​mergeScan​

• ​partition​

• ​pluck​

• ​reduce​

• ​scan ⭐

• ​switchMap ⭐

• ​switchMapTo​

• ​toArray​

• ​window​

• ​windowCount​

• ​windowTime​

• ​windowToggle​

• ​windowWhen​

⭐ - commonly used