Fixes SWIFT_VERSION error

packages/webapp/package.js

@@ -22,7 +22,7 @@ Npm.strip({
 Cordova.depends({
   'cordova-plugin-whitelist': '1.3.4',
   'cordova-plugin-wkwebview-engine': '1.2.1',
-  'cordova-plugin-meteor-webapp': '1.9.0'
+  'cordova-plugin-meteor-webapp': '1.9.1'
 });
 
 Package.onUse(function (api) {

tools/cordova/builder.js

@@ -12,7 +12,7 @@ import { loadIsopackage } from '../tool-env/isopackets.js';
 import utils from '../utils/utils.js';
 import XmlBuilder from 'xmlbuilder2';
 
-import { CORDOVA_ARCH } from './index.js';
+import { CORDOVA_ARCH, SWIFT_VERSION } from './index.js';
 
 // Hard-coded size constants
 
@@ -122,7 +122,8 @@ export class CordovaBuilder {
       global: {
         'webviewbounce': false,
         'DisallowOverscroll': true,
-        'WKWebViewOnly': true
+        'WKWebViewOnly': true,
+        'SwiftVersion': SWIFT_VERSION
       },
       platform: {
         ios: {},

tools/cordova/index.js

@@ -24,6 +24,8 @@ export const CORDOVA_PLATFORM_VERSIONS = {
   'ios': '5.1.1',
 };
 
+export const SWIFT_VERSION = 5;
+
 const PLATFORM_TO_DISPLAY_NAME_MAP = {
   'ios': 'iOS',
   'android': 'Android'