@visulima/email
Version:
A comprehensive email library with multi-provider support, crypto utilities, and template engines
2 lines (1 loc) • 3.64 kB
JavaScript
var E=Object.defineProperty;var y=(e,u)=>E(e,"name",{value:u,configurable:!0});import f from"./EmailError-zm2ffVav.js";import A from"./RequiredOptionError-CevW3u2K.js";import k from"./createLogger-DlElSVQP.js";import{defineProvider as z}from"./defineProvider-B9rSklAJ.js";var P=Object.defineProperty,m=y((e,u)=>P(e,"name",{value:u,configurable:!0}),"f");const S=m(e=>typeof e=="function","isProviderFactory"),x=m(e=>e!=null&&typeof e=="object"&&"sendEmail"in e&&"initialize"in e&&"isAvailable"in e,"isProvider"),o="roundrobin",T=z((e={})=>{if(!e.mailers||e.mailers.length===0)throw new A(o,"mailers");const u={debug:e.debug||!1,logger:e.logger,mailers:e.mailers,retries:e.retries||3,retryAfter:e.retryAfter??60,timeout:e.timeout||3e4};let p=!1;const t=[];let a=0;const n=k(o,e.logger),v=m(async()=>{t.length=0;for(const i of u.mailers)try{let r;if(S(i))r=i({});else if(x(i))r=i;else{n.debug(`Skipping invalid mailer: ${i}`);continue}try{await r.initialize(),t.push(r),n.debug(`Initialized provider: ${r.name||"unknown"}`)}catch(s){n.debug(`Failed to initialize provider ${r.name||"unknown"}:`,s)}}catch(r){n.debug("Error processing mailer:",r)}if(t.length===0)throw new f(o,"No providers could be initialized");a=Math.floor(Math.random()*t.length),n.debug(`Round robin starting at index ${a} (${t[a]?.name||"unknown"})`)},"initializeProviders"),b=m(async()=>{if(t.length===0)return;const i=a;let r=0;for(;r<t.length;){const s=t[a];if(!s){a=(a+1)%t.length,r+=1;continue}const g=s.name||`provider-${a+1}`;try{if(await s.isAvailable())return a=(a+1)%t.length,n.debug(`Selected provider: ${g} (index ${a===0?t.length-1:a-1})`),s}catch{}a=(a+1)%t.length,r+=1,r<t.length&&u.retryAfter>0&&await new Promise(l=>{setTimeout(()=>{l(void 0)},u.retryAfter)})}return n.debug(`No available providers found, using provider at index ${i}`),t[i]||void 0},"getNextProvider");return{features:{attachments:!0,batchSending:!1,customHeaders:!0,html:!0,replyTo:!0,scheduling:!1,tagging:!1,templates:!1,tracking:!1},async initialize(){if(!p)try{await v(),p=!0,n.debug(`Round robin provider initialized with ${t.length} provider(s)`)}catch(i){throw new f(o,`Failed to initialize: ${i.message}`,{cause:i})}},async isAvailable(){try{return t.length===0&&await v(),(await Promise.allSettled(t.map(i=>i.isAvailable()))).some(i=>i.status==="fulfilled"&&i.value===!0)}catch{return!1}},name:o,options:u,async sendEmail(i){try{if(t.length===0&&await v(),t.length===0)return{error:new f(o,"No providers available"),success:!1};const r=await b();if(!r)return{error:new f(o,"No available providers found"),success:!1};const s=r.name||"unknown";n.debug(`Sending email via ${s}`);const g=await r.sendEmail(i);if(g.success)return n.debug(`Email sent successfully via ${s}`),{data:{...g.data,provider:`${o}(${s})`},success:!0};n.debug(`Failed to send via ${s}, trying next provider`);const l=[];g.error&&l.push(g.error);let w=0;for(;w<t.length-1;){const d=await b();if(!d||d===r)break;const h=d.name||"unknown";n.debug(`Retrying with ${h}`);try{const c=await d.sendEmail(i);if(c.success)return n.debug(`Email sent successfully via ${h} (after retry)`),{data:{...c.data,provider:`${o}(${h})`},success:!0};c.error&&l.push(c.error)}catch(c){l.push(c instanceof Error?c:new Error(String(c)))}w+=1}const $=l.map(d=>d instanceof Error?d.message:String(d)).join("; ");return{error:new f(o,`Failed to send email via all providers. Errors: ${$}`,{cause:l[0]instanceof Error?l[0]:new Error(String(l[0]))}),success:!1}}catch(r){return{error:new f(o,`Failed to send email: ${r.message}`,{cause:r}),success:!1}}},async validateCredentials(){return this.isAvailable()}}});export{T as default};