Pipe Functions

What Is A Pipe Function?

A pipe function is a function that is chained in the format expression. Pipe functions are executed sequentially.

Flow Diagram

The flow diagram of expression${path:func1(param1)|func2(param2)} is illustrated on the following figure.

For the expression above, the execution order;

  • evaluates the path

  • executes func1() with the evaluated value

  • executes func2() with the result of the func1()

  • returns the output of func2()

Naming Convention

A transformation's name must be a valid javascript function name. For clarity, the camel case naming convention is suggested.


A transformation function only accepts valid JSON values.

  • number

  • string

  • boolean

  • null

  • JSON object

  • array

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