generate method
Generate all items of axis.
Implementation
ChartAxisData generate({
required String Function(double) label,
}) =>
ChartAxisData(
max: max,
min: min,
items: List.generate(
((max - min) ~/ frequency) + 1,
(index) => ChartAxisDataItem(
label: label(index * frequency + min),
value: index * frequency + min,
),
),
);