fix(flow): Add flow configuration file, add flow and flow:restart scr…

…ipts to package.json

.flowconfig

@@ -0,0 +1,42 @@
+[ignore]
+.*/__tests__.*
+.*/node_modules.*
+
+[include]
+
+[libs]
+
+[options]
+module.system=node
+
+esproposal.class_static_fields=enable
+esproposal.optional_chaining=enable
+esproposal.nullish_coalescing=enable
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(>=0\\.\\(2[0-8]\\|1[0-9]\\|[0-9]\\).[0-9]\\)? *\\).*\n
+suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
+
+module.name_mapper='React' -> '<PROJECT_ROOT>/node_modules/react'
+module.name_mapper='ReactDOM' -> '<PROJECT_ROOT>/node_modules/react-dom'
+module.name_mapper='ReactTestUtils' -> '<PROJECT_ROOT>/node_modules/react-dom/test-utils'
+
+module.name_mapper='RecoilUtils' -> '<PROJECT_ROOT>/src/RecoilUtils.js'
+
+module.name_mapper='Recoil_RecoilValue' -> '<PROJECT_ROOT>/src/core/Recoil_RecoilValue.js'
+module.name_mapper='Recoil_State' -> '<PROJECT_ROOT>/src/core/Recoil_State.js'
+
+module.name_mapper='Recoil_atom' -> '<PROJECT_ROOT>/src/recoil_values/Recoil_atom.js'
+module.name_mapper='Recoil_WaitFor' -> '<PROJECT_ROOT>/src/recoil_values/Recoil_WaitFor.js'
+
+module.name_mapper='Recoil_Hooks' -> '<PROJECT_ROOT>/src/hooks/Recoil_Hooks.js'
+
+[strict]
+deprecated-type
+sketchy-null
+unclear-type
+unsafe-getters-setters
+
+[version]
+^0.124.0

package.json

@@ -12,7 +12,9 @@
     "prepare": "install-peers",
     "build": "rollup -c && node scripts/postbuild.js",
     "test": "jest src/*",
-    "format": "prettier --write \"./**/*.{js,jsx,md,json}\""
+    "format": "prettier --write \"./**/*.{js,jsx,md,json}\"",
+    "flow": "flow --show-all-errors",
+    "flow:restart": "flow stop && npm run flow"
   },
   "peerDependencies": {
     "react": "^16.13.1",