flow

Applies one or more operators to the data pipeline. Operators are composed left-to-right.

Signature

.flow(...operators)

Parameters

Parameter	Type	Description
operators	Operator[]	One or more operators to apply to the data

Returns a new ChartBuilder — flow is immutable.

Example

chart(data)
  .flow(
    derive((d) => d.filter((row) => row.year === 2020)),
    spread({ by: "category", dir: "x" })
  )
  .mark(rect({ h: "value" }));