ensureColors method

void ensureColors(
  1. ColorGenerator colorGenerator
)

Ensure that the Colors Map is set, using a colorGenerator.

Implementation

void ensureColors(ColorGenerator colorGenerator) {
  colors ??= colorGenerator.buildColors(List.from(categories).cast());
  disabledColors ??=
      colorGenerator.buildDisabledColors(List.from(categories).cast());
}