fix import error due to is-email

README.md

@@ -18,6 +18,8 @@ Install the module to your Nuxt application with one command:
 
 ```bash
 npx nuxi module add nuxt-protected-mailto
+# or with npm and manually adding the module to your nuxt.config.ts
+npm install nuxt-protected-mailto
 ```
 
 Use the global `Mailto` [Component](./src/runtime/components/Mailto.vue):

package.json

@@ -27,8 +27,7 @@
     "lint": "eslint ."
   },
   "dependencies": {
-    "@nuxt/kit": "^3.13.1",
-    "is-email": "latest"
+    "@nuxt/kit": "^3.13.1"
   },
   "devDependencies": {
     "@nuxt/devtools": "^1.4.2",

src/runtime/components/Mailto.vue

@@ -9,7 +9,18 @@
 </template>
 
 <script>
-import isEmail from 'is-email'
+/**
+ * validate an email address.
+ *
+ * @param {string} string
+ * @return {boolean}
+ */
+function isEmail(string) {
+  // Email address matcher.
+  const matcher = /^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/
+  if (string.length > 320) return false
+  return matcher.test(string)
+}
 
 function formatMail(mail, asArray = false, pretty = true) {
   if (typeof mail === 'string') {