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compose()

compose<Fns>(...fns): (arg) => ReturnType<Fns[0]>

Allows you combine two or more functions to create a new function, which passes the results from one function to the next until all have be called. Has a rigth-to-left call order.

Type Parameters​

• Fns extends readonly UnaryFunction[]

Parameters​

fns​

...Composable<Fns>

The functions to compose.

Returns​

Function

Parameters​

arg​

ComposeParams<Fns>

Returns​

ReturnType<Fns[0]>

Remark​

pure function

Example​

const getActiveUsers = page => compose(
  displayPage,
  sortUserNames,
  filterActive,
);

const activeUsers = getActiveUsersByPage(users);