From 0ce486ce9d04dff6d7275e0acea7a4b6885558ee Mon Sep 17 00:00:00 2001
From: Noel De Martin <noel@moodle.com>
Date: Tue, 9 Mar 2021 12:53:51 +0100
Subject: [PATCH] MOBILE-3720 env: Add missing polyfills

---
 package-lock.json | 19 ++++++++++++-------
 package.json      |  1 +
 src/polyfills.ts  | 39 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 52 insertions(+), 7 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index e125e9746..7e9ee4e69 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -139,6 +139,12 @@
             "uri-js": "^4.2.2"
           }
         },
+        "core-js": {
+          "version": "3.6.4",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.6.4.tgz",
+          "integrity": "sha512-4paDGScNgZP2IXXilaffL9X7968RuvwlkK3xWtZRVqgd8SYNiVKRJvkFd1aqqEuPfN7E68ZHEp9hDj6lHj4Hyw==",
+          "dev": true
+        },
         "open": {
           "version": "7.0.4",
           "resolved": "https://registry.npmjs.org/open/-/open-7.0.4.tgz",
@@ -5873,9 +5879,9 @@
       }
     },
     "caniuse-lite": {
-      "version": "1.0.30001144",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001144.tgz",
-      "integrity": "sha512-4GQTEWNMnVZVOFG3BK0xvGeaDAtiPAbG2N8yuMXuXzx/c2Vd4XoMPO8+E918zeXn5IF0FRVtGShBfkfQea2wHQ==",
+      "version": "1.0.30001197",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001197.tgz",
+      "integrity": "sha512-8aE+sqBqtXz4G8g35Eg/XEaFr2N7rd/VQ6eABGBmNtcB8cN6qNJhMi6oSFy4UWWZgqgL3filHT8Nha4meu3tsw==",
       "dev": true
     },
     "canonical-path": {
@@ -7890,10 +7896,9 @@
       }
     },
     "core-js": {
-      "version": "3.6.4",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.6.4.tgz",
-      "integrity": "sha512-4paDGScNgZP2IXXilaffL9X7968RuvwlkK3xWtZRVqgd8SYNiVKRJvkFd1aqqEuPfN7E68ZHEp9hDj6lHj4Hyw==",
-      "dev": true
+      "version": "3.9.1",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.9.1.tgz",
+      "integrity": "sha512-gSjRvzkxQc1zjM/5paAmL4idJBFzuJoo+jDjF1tStYFMV2ERfD02HhahhCGXUyHxQRG4yFKVSdO6g62eoRMcDg=="
     },
     "core-js-compat": {
       "version": "3.6.5",
diff --git a/package.json b/package.json
index 74dbc309a..a4b3d2811 100644
--- a/package.json
+++ b/package.json
@@ -107,6 +107,7 @@
     "cordova-sqlite-storage": "^4.0.0",
     "cordova-support-google-services": "^1.2.1",
     "cordova.plugins.diagnostic": "^5.0.2",
+    "core-js": "^3.9.1",
     "es6-promise-plugin": "^4.2.2",
     "jszip": "^3.5.0",
     "moment": "^2.29.0",
diff --git a/src/polyfills.ts b/src/polyfills.ts
index 584ee02e7..cf90936b0 100644
--- a/src/polyfills.ts
+++ b/src/polyfills.ts
@@ -17,3 +17,42 @@ window.__Zone_disable_customElements = true;
 
 // Zone JS is required by default for Angular itself.
 import 'zone.js/dist/zone';
+
+// Platform polyfills
+import 'core-js/es/array/includes';
+import 'core-js/es/promise/finally';
+import 'core-js/es/string/match-all';
+import 'core-js/es/string/trim-right';
+
+polyfillEventComposedPath();
+
+/**
+ * Polyfill Event.composedPath() if necessary.
+ *
+ * @see https://github.com/ionic-team/stencil/issues/2681
+ */
+function polyfillEventComposedPath() {
+    const event = new Event('') as { path?: NodeList };
+
+    if (!('path' in event && event.path instanceof NodeList)) {
+        return;
+    }
+
+    Event.prototype.composedPath = function () {
+        if (this._composedPath) {
+            return this._composedPath;
+        }
+
+        let node = this.target;
+
+        for (this._composedPath = []; node.parentNode !== null;) {
+            this._composedPath.push(node);
+
+            node = node.parentNode;
+        }
+
+        this._composedPath.push(document, window);
+
+        return this._composedPath;
+    };
+}