Function ensureValidSplitNumber

src/scale/helper.ts:283–288

(
    rawSplitNumber: number | NullUndefined, defaultSplitNumber: number
)

}

export function ensureValidSplitNumber(
    rawSplitNumber: number | NullUndefined, defaultSplitNumber: number
): number {
    rawSplitNumber = rawSplitNumber || defaultSplitNumber;
    return mathRound(mathMax(rawSplitNumber, 1));
}

/**
 * NOTE: The result can have only one item, e.g., when `extent[0] === extent[1]`