react-image-crop/dist/types.d.ts

export type XOrds = 'e' | 'w';
export type YOrds = 'n' | 's';
export type XYOrds = 'nw' | 'ne' | 'se' | 'sw';
export type Ords = XOrds | YOrds | XYOrds;
export interface Crop {
    x: number;
    y: number;
    width: number;
    height: number;
    unit: 'px' | '%';
}
export interface PixelCrop extends Crop {
    unit: 'px';
}
export interface PercentCrop extends Crop {
    unit: '%';
}