From 4c37f54e3e5b4ff983fe5f6d22446d6032f9a920 Mon Sep 17 00:00:00 2001
From: Jack Works <jackworks@protonmail.com>
Date: Mon, 26 Jul 2021 18:13:07 +0800
Subject: [PATCH] Revert "feat: enable es2020 syntax (#3750)"

This reverts commit 3d6dd88d48bf7c35e261c31fe5a032fdf5bc73b9.
---
 packages/.eslintrc.json | 17 -----------------
 tsconfig.json           |  2 +-
 2 files changed, 1 insertion(+), 18 deletions(-)

diff --git a/packages/.eslintrc.json b/packages/.eslintrc.json
index c772c3d7c114..15f8504a4536 100644
--- a/packages/.eslintrc.json
+++ b/packages/.eslintrc.json
@@ -33,23 +33,6 @@
                 "component": true,
                 "html": true
             }
-        ],
-        "@typescript-eslint/ban-types": [
-            "error",
-            {
-                "types": {
-                    "bigint": "BigInt not supported until Safari 15.",
-                    "BigInt": "BigInt not supported until Safari 15."
-                },
-                "extendDefaults": false
-            }
-        ],
-        "no-restricted-syntax": [
-            "error",
-            {
-                "selector": "Literal[raw=/n$/]",
-                "message": "BigInt not supported until Safari 15."
-            }
         ]
     }
 }
diff --git a/tsconfig.json b/tsconfig.json
index a90a47244315..17aea484fff6 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -16,7 +16,7 @@
   "compilerOptions": {
     /* Basic Options */
     "incremental": true /* Enable incremental compilation */,
-    "target": "ES2020" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
+    "target": "ES2019" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
     "module": "ESNext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
     "lib": ["DOM", "DOM.Iterable", "ES2020"] /* Specify library files to be included in the compilation. */,
     "allowJs": true /* Allow javascript files to be compiled. */,