Migrate to CircleCI2.0 and Add AppVeyor for master-only branch (#11605)

* add appveyor config file

* migrate circleci 1.0 to circleci 2.0

* remove upload step in favour of #11666

.circleci/config.yml

@@ -0,0 +1,50 @@
+version: 2
+jobs:
+  build:
+
+    docker:
+      - image: circleci/node:8
+
+    environment:
+      TZ: /usr/share/zoneinfo/America/Los_Angeles
+      YARN_VERSION: 1.2.1
+      TRAVIS_REPO_SLUG: facebook/react
+
+    parallelism: 4
+
+    steps:
+      - checkout
+
+      - run: echo $CIRCLE_COMPARE_URL | cut -d/ -f7
+
+      - run:
+          name: Install Yarn
+          command: |
+            if [[ ! -e ~/.yarn/bin/yarn || $(yarn --version) != "${YARN_VERSION}" ]]; then
+              curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version $YARN_VERSION
+            fi
+
+      - restore_cache:
+          name: Restore node_modules cache
+          keys:
+            - v1-node-{{ arch }}-{{ .Branch }}-{{ checksum "yarn.lock" }}
+            - v1-node-{{ arch }}-{{ .Branch }}-
+            - v1-node-{{ arch }}-
+
+      - run:
+          name: Nodejs Version
+          command: node --version
+
+      - run:
+          name: Install Packages
+          command: yarn install
+
+      - run:
+          name: Test Packages
+          command: ./scripts/circleci/test_entry_point.sh
+
+      - save_cache:
+          name: Save node_modules cache
+          key: v1-node-{{ arch }}-{{ .Branch }}-{{ checksum "yarn.lock" }}
+          paths:
+            - node_modules

appveyor.yml

@@ -0,0 +1,37 @@
+image: Visual Studio 2017
+
+# Fix line endings in Windows. (runs before repo cloning)
+init:
+  - git config --global core.autocrlf input
+
+environment:
+  matrix:
+    - nodejs_version: 8
+
+# Finish on first failed build
+matrix:
+  fast_finish: true
+
+platform:
+  - x64
+
+branches:
+  only:
+    - master
+
+# Disable Visual Studio build and deploy
+build: off
+deploy: off
+
+install:
+  - ps: Install-Product node $env:nodejs_version $env:platform
+  - yarn install
+
+test_script:
+  - node --version
+  - yarn build
+  - yarn test
+
+cache:
+ - node_modules
+ - "%LOCALAPPDATA%/Yarn"