@nestjs-modules/mailer
Version:
NestJS - a mailer module (@mailer)
141 lines (140 loc) • 6.59 kB
JavaScript
;
var MailerService_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.MailerService = void 0;
const tslib_1 = require("tslib");
const lodash_1 = require("lodash");
const common_1 = require("@nestjs/common");
const mailer_constant_1 = require("./constants/mailer.constant");
const mailer_transport_factory_1 = require("./mailer-transport.factory");
let MailerService = MailerService_1 = class MailerService {
initTemplateAdapter(templateAdapter, transporter) {
if (templateAdapter) {
transporter.use('compile', (mail, callback) => {
if (mail.data.html) {
return callback();
}
return templateAdapter.compile(mail, callback, this.mailerOptions);
});
let previewEmail;
try {
previewEmail = require('preview-email');
}
catch (err) {
this.mailerLogger.warn('preview-email is not installed. This is an optional dependency. Install it if you want to preview emails in the development environment. You can install it using npm (npm install preview-email), yarn (yarn add preview-email), or pnpm (pnpm add preview-email).');
}
if (this.mailerOptions.preview) {
transporter.use('stream', (mail, callback) => {
if (typeof previewEmail !== 'undefined') {
return previewEmail(mail.data, this.mailerOptions.preview)
.then(() => callback())
.catch(callback);
}
else {
this.mailerLogger.warn('previewEmail is not available. Skipping preview.');
return callback();
}
});
}
}
}
constructor(mailerOptions, transportFactory) {
this.mailerOptions = mailerOptions;
this.transportFactory = transportFactory;
this.transporters = new Map();
this.mailerLogger = new common_1.Logger(MailerService_1.name);
if (!transportFactory) {
this.transportFactory = new mailer_transport_factory_1.MailerTransportFactory(mailerOptions);
}
this.validateTransportOptions();
this.templateAdapter = (0, lodash_1.get)(this.mailerOptions, 'template.adapter');
if (this.mailerOptions.preview) {
const defaults = { open: { wait: false } };
this.mailerOptions.preview =
typeof this.mailerOptions.preview === 'boolean'
? defaults
: (0, lodash_1.defaultsDeep)(this.mailerOptions.preview, defaults);
}
this.setupTransporters();
}
validateTransportOptions() {
if ((!this.mailerOptions.transport ||
Object.keys(this.mailerOptions.transport).length <= 0) &&
!this.mailerOptions.transports) {
throw new Error('Make sure to provide a nodemailer transport configuration object, connection url or a transport plugin instance.');
}
}
createTransporter(config, name) {
const transporter = this.transportFactory.createTransport(config);
if (this.mailerOptions.verifyTransporters)
this.verifyTransporter(transporter, name);
this.initTemplateAdapter(this.templateAdapter, transporter);
return transporter;
}
setupTransporters() {
if (this.mailerOptions.transports) {
Object.keys(this.mailerOptions.transports).forEach((name) => {
const transporter = this.createTransporter(this.mailerOptions.transports[name], name);
this.transporters.set(name, transporter);
});
}
if (this.mailerOptions.transport) {
this.transporter = this.createTransporter(this.mailerOptions.transport);
}
}
verifyTransporter(transporter, name) {
const transporterName = name ? ` '${name}'` : '';
if (!transporter.verify)
return;
Promise.resolve(transporter.verify())
.then(() => this.mailerLogger.debug(`Transporter${transporterName} is ready`))
.catch((error) => this.mailerLogger.error(`Error occurred while verifying the transporter${transporterName}: ${error.message}`));
}
verifyAllTransporters() {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
const transporters = [...this.transporters.values(), this.transporter];
const transportersVerified = yield Promise.all(transporters.map(transporter => {
if (!transporter.verify)
return true;
return Promise.resolve(transporter.verify()).then(() => true).catch(() => false);
}));
return transportersVerified.every(verified => verified);
});
}
sendMail(sendMailOptions) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
if (sendMailOptions.transporterName) {
if (this.transporters &&
this.transporters.get(sendMailOptions.transporterName)) {
return yield this.transporters
.get(sendMailOptions.transporterName)
.sendMail(sendMailOptions);
}
else {
throw new ReferenceError(`Transporters object doesn't have ${sendMailOptions.transporterName} key`);
}
}
else {
if (this.transporter) {
return yield this.transporter.sendMail(sendMailOptions);
}
else {
throw new ReferenceError(`Transporter object undefined`);
}
}
});
}
addTransporter(transporterName, config) {
this.transporters.set(transporterName, this.transportFactory.createTransport(config));
this.initTemplateAdapter(this.templateAdapter, this.transporters.get(transporterName));
return transporterName;
}
};
exports.MailerService = MailerService;
exports.MailerService = MailerService = MailerService_1 = tslib_1.__decorate([
(0, common_1.Injectable)(),
tslib_1.__param(0, (0, common_1.Inject)(mailer_constant_1.MAILER_OPTIONS)),
tslib_1.__param(1, (0, common_1.Optional)()),
tslib_1.__param(1, (0, common_1.Inject)(mailer_constant_1.MAILER_TRANSPORT_FACTORY)),
tslib_1.__metadata("design:paramtypes", [Object, Object])
], MailerService);