Fix issue that unnecessary semicolons being added to the address of t…

…he vcf when the addAddress method parameters has empty or null #60

lib/VCard.ts

@@ -123,9 +123,12 @@ export default class VCard {
     country: string = '',
     type: string = 'WORK;POSTAL',
   ): this {
-    const value = `\
-${name};${extended};${street};${city};${region};${zip};${country}\
-`
+    const value = [name, extended, street, city, region, zip, country]
+      .filter((part) => part !== null && part !== '')
+      .join(';')
+
+    if (value === '') return this
+
     this.setProperty(
       'address',
       `ADR${type !== '' ? `;${type}` : ''}${this.getCharsetString()}`,

test-functional/test-export.js

@@ -19,15 +19,7 @@ vcard
   .addEmail('[email protected]')
   .addPhoneNumber(1234121212, 'PREF;WORK')
   .addPhoneNumber(123456789, 'WORK')
-  .addAddress(
-    'name',
-    'extended',
-    'street',
-    'worktown',
-    'state',
-    'workpostcode',
-    'Belgium',
-  )
+  .addAddress()
   .addURL('http://www.jeroendesloovere.be')
   .addPhotoURL(
     'https://cdn.jsdelivr.net/gh/joaocarmo/vcard-creator@main/lib/assets/sample.jpg',