build: fix type errors with newer versions of typescript

package.json

@@ -17,21 +17,21 @@
 	"type": "module",
 	"devDependencies": {
 		"@ledge/configs": "23.3.23322",
-		"@rollup/plugin-typescript": "8.3.2",
+		"@rollup/plugin-typescript": "8.5.0",
 		"@types/mailparser": "3.4.0",
 		"@types/node": "12.12.6",
 		"@types/smtp-server": "3.5.7",
-		"@typescript-eslint/eslint-plugin": "5.21.0",
-		"@typescript-eslint/parser": "5.21.0",
-		"ava": "4.2.0",
-		"eslint": "8.14.0",
+		"@typescript-eslint/eslint-plugin": "5.38.0",
+		"@typescript-eslint/parser": "5.38.0",
+		"ava": "4.3.3",
+		"eslint": "8.23.1",
 		"eslint-config-prettier": "8.5.0",
-		"eslint-plugin-prettier": "4.0.0",
+		"eslint-plugin-prettier": "4.2.1",
 		"mailparser": "3.5.0",
-		"prettier": "2.6.2",
-		"rollup": "2.70.2",
+		"prettier": "2.7.1",
+		"rollup": "2.79.0",
 		"smtp-server": "3.11.0",
-		"ts-node": "10.7.0",
+		"ts-node": "10.9.1",
 		"tslib": "2.4.0",
 		"typescript": "4.3.5"
 	},
@@ -44,7 +44,7 @@
 		}
 	},
 	"resolutions": {
-		"nodemailer": "6.7.4"
+		"nodemailer": "6.7.8"
 	},
 	"engines": {
 		"node": ">=12"

smtp/address.ts

@@ -5,7 +5,7 @@ interface AddressToken {
 
 export interface AddressObject {
 	address?: string;
-	name?: string;
+	name?: string | undefined;
 	group?: AddressObject[];
 }
 
@@ -137,7 +137,7 @@ function convertAddressTokens(tokens: AddressToken[]) {
 		// If no address was found, try to detect one from regular text
 		if (addresses.length === 0 && texts.length > 0) {
 			for (let i = texts.length - 1; i >= 0; i--) {
-				if (texts[i].match(/^[^@\s]+@[^@\s]+$/)) {
+				if (texts[i]?.match(/^[^@\s]+@[^@\s]+$/) ?? false) {
 					addresses = texts.splice(i, 1);
 					break;
 				}
@@ -146,16 +146,21 @@ function convertAddressTokens(tokens: AddressToken[]) {
 			// still no address
 			if (addresses.length === 0) {
 				for (let i = texts.length - 1; i >= 0; i--) {
-					texts[i] = texts[i]
-						.replace(/\s*\b[^@\s]+@[^@\s]+\b\s*/, (address: string) => {
-							if (addresses.length === 0) {
-								addresses = [address.trim()];
-								return ' ';
-							} else {
-								return address;
-							}
-						})
-						.trim();
+					const text = texts[i];
+					if (text != null && text.length > 0) {
+						texts[i] = text
+							.replace(/\s*\b[^@\s]+@[^@\s]+\b\s*/, (address: string) => {
+								if (addresses.length === 0) {
+									addresses = [address.trim()];
+									return ' ';
+								} else {
+									return address;
+								}
+							})
+							.trim();
+					} else {
+						texts[i] = '';
+					}
 
 					if (addresses.length > 0) {
 						break;