From acaa51c28cf4107f8b7ebb6bc9ca555dab29433b Mon Sep 17 00:00:00 2001
From: Daan Vanden Bosch <daan.v.d.bosch@gmail.com>
Date: Sat, 4 Jan 2020 16:23:25 +0100
Subject: [PATCH] Added polyfills for older browsers.

---
 .eslintrc.json | 10 +++-------
 package.json   |  5 +++--
 src/index.ts   |  3 +++
 tsconfig.json  |  2 +-
 yarn.lock      |  5 +++++
 5 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/.eslintrc.json b/.eslintrc.json
index 98aa6fdf..dd25e09c 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -7,20 +7,16 @@
         "plugin:prettier/recommended"
     ],
     "plugins": ["@typescript-eslint", "prettier"],
+    "root": true,
     "env": {
         "browser": true,
         "es6": true,
         "jest": true,
         "node": true
     },
+    "ignorePatterns": ["webpack.*.js"],
     "rules": {
-        "@typescript-eslint/array-type": [
-            "warn",
-            {
-                "default": "array",
-                "readonly": "array"
-            }
-        ],
+        "@typescript-eslint/array-type": ["warn", { "default": "array", "readonly": "array" }],
         "@typescript-eslint/camelcase": "off",
         "@typescript-eslint/class-name-casing": "warn",
         "@typescript-eslint/explicit-function-return-type": ["warn", { "allowExpressions": true }],
diff --git a/package.json b/package.json
index d3a673bc..1346411f 100644
--- a/package.json
+++ b/package.json
@@ -4,9 +4,8 @@
     "private": true,
     "license": "MIT",
     "dependencies": {
-        "@types/lodash": "^4.14.149",
-        "@types/luxon": "^1.21.0",
         "camera-controls": "^1.16.2",
+        "core-js": "^3.6.1",
         "golden-layout": "^1.5.9",
         "javascript-lp-solver": "0.4.17",
         "lodash": "^4.17.15",
@@ -26,6 +25,8 @@
         "@fortawesome/fontawesome-free": "^5.12.0",
         "@types/cheerio": "^0.22.15",
         "@types/jest": "^24.0.24",
+        "@types/lodash": "^4.14.149",
+        "@types/luxon": "^1.21.0",
         "@types/node-fetch": "^2.5.4",
         "@types/yaml": "^1.2.0",
         "@typescript-eslint/eslint-plugin": "^2.12.0",
diff --git a/src/index.ts b/src/index.ts
index e9903315..ae08941f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,3 +1,6 @@
+// Import polyfills before anything else.
+import "core-js/stable";
+
 import "./core/gui/index.css";
 import "@fortawesome/fontawesome-free/js/fontawesome";
 import "@fortawesome/fontawesome-free/js/solid";
diff --git a/tsconfig.json b/tsconfig.json
index fa7d6e8d..dcc6ecea 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,7 +4,7 @@
         "sourceMap": true,
         "module": "esnext",
         "target": "es6",
-        "lib": ["es6", "dom", "dom.iterable", "es2018.promise"],
+        "lib": ["esnext", "dom", "dom.iterable"],
         "allowJs": true,
         "skipLibCheck": true,
         "esModuleInterop": true,
diff --git a/yarn.lock b/yarn.lock
index 4e7ac9d4..c4445d37 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1796,6 +1796,11 @@ copy-webpack-plugin@^5.1.1:
     serialize-javascript "^2.1.2"
     webpack-log "^2.0.0"
 
+core-js@^3.6.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.6.1.tgz#39d5e2e346258cc01eb7d44345b1c3c014ca3f05"
+  integrity sha512-186WjSik2iTGfDjfdCZAxv2ormxtKgemjC3SI6PL31qOA0j5LhTDVjHChccoc7brwLvpvLPiMyRlcO88C4l1QQ==
+
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"