Post plans

type Stripe = {

  token: string;

};

/**

 * Post plans

 * You can now model subscriptions more flexibly using the Prices API. It replaces the Plans API and is backwards compatible to simplify your migration.

 */

export async function main(

  auth: Stripe,

  body: {

    active?: boolean;

    aggregate_usage?: "last_during_period" | "last_ever" | "max" | "sum";

    amount?: number;

    amount_decimal?: string;

    billing_scheme?: "per_unit" | "tiered";

    currency: string;

    expand?: string[];

    id?: string;

    interval: "day" | "month" | "week" | "year";

    interval_count?: number;

    metadata?: { [k: string]: string } | "";

    nickname?: string;

    product?:

      | {

          active?: boolean;

          id?: string;

          metadata?: { [k: string]: string };

          name: string;

          statement_descriptor?: string;

          tax_code?: string;

          unit_label?: string;

          [k: string]: unknown;

        }

      | string;

    tiers?: {

      flat_amount?: number;

      flat_amount_decimal?: string;

      unit_amount?: number;

      unit_amount_decimal?: string;

      up_to: "inf" | number;

      [k: string]: unknown;

    }[];

    tiers_mode?: "graduated" | "volume";

    transform_usage?: {

      divide_by: number;

      round: "down" | "up";

      [k: string]: unknown;

    };

    trial_period_days?: number;

    usage_type?: "licensed" | "metered";

  }

) {

  const url = new URL(`https://api.stripe.com/v1/plans`);

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "Content-Type": "application/x-www-form-urlencoded",

      Authorization: "Bearer " + auth.token,

    },

    body: encodeParams(body),

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}

function encodeParams(o: any) {

  function iter(o: any, path: string) {

    if (Array.isArray(o)) {

      o.forEach(function (a) {

        iter(a, path + "[]");

      });

      return;

    }

    if (o !== null && typeof o === "object") {

      Object.keys(o).forEach(function (k) {

        iter(o[k], path + "[" + k + "]");

      });

      return;

    }

    data.push(path + "=" + o);

  }

  const data: string[] = [];

  Object.keys(o).forEach(function (k) {

    if (o[k] !== undefined) {

      iter(o[k], k);

    }

  });

  return new URLSearchParams(data.join("&"));

}