Add modules to handle importing batchedUpdates

Author: markerikson

src/utils/batch.js

@@ -0,0 +1,12 @@
+// Default to a dummy "batch" implementation that just runs the callback
+function defaultNoopBatch(callback) {
+  callback()
+}
+
+let batch = defaultNoopBatch
+
+// Allow injecting another batching function later
+export const setBatch = newBatch => (batch = newBatch)
+
+// Supply a getter just to skip dealing with ESM bindings
+export const getBatch = () => batch

src/utils/reactBatchedUpdates.js

@@ -0,0 +1,2 @@
+/* eslint-disable import/no-unresolved */
+export { unstable_batchedUpdates } from 'react-dom'

src/utils/reactBatchedUpdates.native.js

@@ -0,0 +1,4 @@
+/* eslint-disable import/no-unresolved */
+import { unstable_batchedUpdates } from 'react-native'
+
+export { unstable_batchedUpdates }