Functional

Functional

Basic functional operations. Map, Reduce, Filter, things like that.

Map

Transform the data that pass through the node.

(Input) a
Can be used by Formula.
(Output) Result
The result of formula.
(Attribute) Formula
A JavaScript expression that calculates some value. The formula can use variable a to refer to the value of the input. The formula can also use the special variable nothing so that nothing will be outputted.

Filter

Conditionally output the data that pass through the node.

(Input) a
Can be used by formula.
(Output) Filtered Data
Either the value of a or nothing, determined by the formula.
(Attribute) Formula
A JavaScript expression that calculates to booleans (true or false). The formula can use variable a to refer to the value of the input. If the formula results in true, the output will be the value of a; If the formula results in false, there will be no output produced; Otherwise the behavior is undefined.
Last updated on 19th Sep 2016