Publish a push notification to device(s)

//native

type Ably = {

  apiKey: string;

};

/**

 * Publish a push notification to device(s)

 * A convenience endpoint to deliver a push notification payload to a single device or set of devices identified by their client identifier.

 */

export async function main(

  auth: Ably,

  format: "json" | "jsonp" | "msgpack" | "html" | undefined,

  X_Ably_Version: string,

  body: {

    recipient: {

      transportType?: "apns" | "fcm" | "gcm" | "web";

      deviceToken?: string;

      registrationToken?: string;

      encryptionKey?: {};

      clientId?: string;

      deviceId?: string;

    };

    push?: {

      data?: string;

      notification?: {

        title?: string;

        body?: string;

        icon?: string;

        sound?: string;

        collapseKey?: string;

      };

      apns?: {

        notification?: {

          title?: string;

          body?: string;

          icon?: string;

          sound?: string;

          collapseKey?: string;

        };

      };

      fcm?: {

        notification?: {

          title?: string;

          body?: string;

          icon?: string;

          sound?: string;

          collapseKey?: string;

        };

      };

      web?: {

        notification?: {

          title?: string;

          body?: string;

          icon?: string;

          sound?: string;

          collapseKey?: string;

        };

      };

    };

  },

) {

  const url = new URL(`https://rest.ably.io/push/publish`);

  for (const [k, v] of [["format", format]]) {

    if (v !== undefined && v !== "" && k !== undefined) {

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "X-Ably-Version": X_Ably_Version,

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.apiKey,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}