From 4e20db714be54d288fbc233d0a2fa085bfec3e3d Mon Sep 17 00:00:00 2001
From: dan <dan.abramov@gmail.com>
Date: Fri, 28 Jan 2022 19:52:13 +0000
Subject: [PATCH] Revert "Removed circle CI (#4236)" (#4253)

This reverts commit e347b733c1e5c08693f5decfa4d214931aa44fe2.
---
 .circleci/config.yml | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 .circleci/config.yml

diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 000000000..028250472
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,20 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/node:12
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - dependencies-{{ checksum "yarn.lock" }}
+      - run:
+          name: Install
+          command: yarn install --pure-lockfile
+      - save_cache:
+          paths:
+            - node_modules
+          key: dependencies-{{ checksum "yarn.lock" }}
+      - run:
+          name: Check Prettier, ESLint, Flow
+          command: yarn ci-check