update(preview-email): new options properties (#65513)

Updates from 3.0.11:
ce6d4439ab

Thanks!

types/preview-email/index.d.ts

@@ -2,9 +2,11 @@
 // Project: https://github.com/niftylettuce/preview-email
 // Definitions by: Piotr Błażejewicz <https://github.com/peterblazejewicz>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 3.3
 
-import { Options as NodeMailerOptions } from 'nodemailer/lib/mailer';
+/// <reference types="node" />
+
+import type { Options as NodeMailerOptions } from 'nodemailer/lib/mailer';
+import type { SimpleParserOptions } from 'mailparser';
 
 /**
  * Automatically opens your browser to preview Node.js email messages sent with Nodemailer. Made for Lad!
@@ -48,6 +50,17 @@ declare namespace previewEmail {
          * @default true
          */
         openSimulator?: boolean | undefined;
+        /**
+         * an options Object to pass to `mailparser`'s `simpleParser` method
+         * (see [mailparser docs](https://nodemailer.com/extras/mailparser/#options) for available options
+         * – note that `Iconv` option is always overridden for safeguard)
+         */
+        simpleParser?: Omit<SimpleParserOptions, 'Iconv'> | undefined;
+        /**
+         * whether or not to return HTML only – and subsequently not write nor open the file preview file
+         * @default false
+         */
+        returnHtml?: boolean | undefined;
     }
 
     interface OpenOptions {

types/preview-email/preview-email-tests.ts

@@ -33,6 +33,8 @@ const options: Options = {
     template: './dir/template.pug',
     urlTransform: path => `./dir/${path}`,
     openSimulator: true,
+    simpleParser: {},
+    returnHtml: true,
 };
 
 // async/await