@spree/storefront-api-v2-sdk/types/interfaces/Result.d.ts

Node module to easily integrate your JavaScript or TypeScript application with Spree API V2. You can create an entirely custom Storefront in JS/TS with this package including one page checkout, Single Page Apps, PWAs and so on

export interface Result<F extends Error, S> {
    isSuccess(): boolean;
    isFail(): boolean;
    success(): S;
    fail(): F;
}