export function getBestNumberOfTicks()

in src/axisHelper.ts [815:845]

• 25 lines of code
• 8 McCabe index (conditional complexity)

export function getBestNumberOfTicks(
    min: number,
    max: number,
    valuesMetadata: DataViewMetadataColumn[],
    maxTickCount: number,
    isDateTime?: boolean): number {

    if (isNaN(min) || isNaN(max)) {
        return DefaultBestTickCount;
    }

    if (maxTickCount <= 1 || (max <= 1 && min >= -1)) {
        return maxTickCount;
    }

    if (min === max) {
        // datetime needs to only show one tick value in this case so formatting works correctly
        if (!!isDateTime) {
            return 1;
        }

        return DefaultBestTickCount;
    }

    if (hasNonIntegerData(valuesMetadata)) {
        return maxTickCount;
    }

    // e.g. 5 - 2 + 1 = 4, => [2,3,4,5]
    return Math.min(max - min + 1, maxTickCount);
}