// @flow
export type Scaler<T> = (x: T) => number;

export type BandedScale<T> = {
  (x: T): number,
  domain(): Array<T>,
  range(): Array<number>,
  copy(): BandedScale<T>,
  bandwidth(): number,
  round(): boolean,
};

export type TickScale<T> = {
  (x: T): number,
  domain(): Array<T>,
  range(): Array<number>,
  ticks(count: number): Array<T>,
  tickFormat(count: number, fmt: ?string): (val: T) => string,
  copy(): TickScale<T>,
  round(): boolean,
};

export type Orients = 'TOP' | 'RIGHT' | 'BOTTOM' | 'LEFT';

export type AxisStyle = {
  orient: Orients,
  tickSizeInner: number,
  tickSizeOuter: number,
  tickPadding: number,
  strokeWidth: number,
  strokeColor: string,
  tickFont: string,
  tickFontSize: number,
};

export type PropsForAxis<T> = {
  range: Array<number>,
  values: Array<T>,
  position: Scaler<T>,
  format(d: T): string,
};