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#!/usr/local/bin/deno runconst {  args,} = Deno;
const sendgridUri = "https://api.sendgrid.com/v3/mail/send";
export interface IOptions {  apiKey: string;}
export interface IResult {  success: boolean;  errors?: string[];}
export interface IAddress {  email: string;  name?: string;}
export interface IHeader {  name: string;  value: string;}
export interface IContent {  type: string;  value: string;}
export interface IAttachment {  content: string;  filename: string;  type?: string;  disposition?: string;  contentId?: string;}
export interface IPersonalization {  to: IAddress[];  cc?: IAddress[];  bcc?: IAddress[];  subject: string;  headers?: IHeader[];}
export interface IRequestBody {  personalizations: IPersonalization[];  from: IAddress;  reply_to?: IAddress;  headers?: IHeader[];  content: IContent[];  attachments?: IAttachment[];  templateId?: string;}
export const sendMail = async (  requestBody: IRequestBody,  options: IOptions,): Promise<IResult> => {  let json = JSON.stringify(requestBody);
  const response = await fetch(sendgridUri, {    method: "POST",    headers: {      "authorization": `Bearer ${options.apiKey}`,      "content-type": "application/json",    },    body: json,  });
  let result: IResult = {    success: true,  };
  //  // This will cause an exception from SendGrid, because SendGrid returns an  // empty JSON body.  However, if you don't call it, you'll leak a resource  // that doesn't appear to have a close().  //  try {    let responseBody = await response.json();    if (responseBody) {      result.success = false;      result.errors = responseBody.errors;    }  } catch (ex) {}
  return result;};