merge

Author: mfbx9da4

README.md

@@ -1,5 +1,7 @@
 # Email Validator
 
+[![NPM](https://nodei.co/npm/deep-email-validator.png)](https://nodei.co/npm/deep-email-validator/)
+
 Validates emails based on regex, common typos, disposable email blacklists, DNS records and SMTP server response.
 
 - Validates email looks like an email i.e. contains an "@" and a "." to the right of it.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "deep-email-validator",
-  "version": "0.1.14",
+  "version": "0.1.18",
   "files": [
     "dist/**/*"
   ],
@@ -43,7 +43,8 @@
     "axios": "^0.19.2",
     "disposable-email-domains": "^1.0.53",
     "lodash": "^4.17.15",
-    "mailcheck": "^1.1.1"
+    "mailcheck": "^1.1.1",
+    "ts-jest": "^25.2.1"
   },
   "devDependencies": {
     "@types/eslint": "^6.1.1",
@@ -54,9 +55,8 @@
     "@typescript-eslint/eslint-plugin": "^2.3.1",
     "@typescript-eslint/parser": "^2.3.1",
     "eslint": "^6.4.0",
-    "jest": "^24.9.0",
+    "jest": "^25.1.0",
     "nodemon": "^1.19.2",
-    "ts-jest": "^24.1.0",
     "ts-node": "^8.4.1",
     "typescript": "^3.8.3"
   }

src/dns/dns.ts

@@ -13,5 +13,13 @@ export const getBestMx = async (
   domain: string
 ): Promise<dns.MxRecord | undefined> => {
   const addresses = await getMx(domain)
-  return addresses[0]
+  let bestIndex = 0
+
+  for (let i = 0; i < addresses.length; i++) {
+    if (addresses[i].priority < addresses[bestIndex].priority) {
+      bestIndex = i
+    }
+  }
+
+  return addresses[bestIndex]
 }

src/index.ts

@@ -42,12 +42,4 @@ export async function validate(
   return createOutput()
 }
 
-async function main() {
-  if (process.argv[2]) {
-    const res = await validate(process.argv[2])
-    console.log(JSON.stringify(res, null, 2))
-  }
-}
-main()
-
 export default validate