Hoist react-merge-refs due to dist issues

language/dsl/BUILD

@@ -29,9 +29,7 @@ js_pipeline(
         "//:node_modules/globby",
         "//:node_modules/jsonc-parser",
         "//:node_modules/mkdirp",
-        "//:node_modules/react-flatten-children",
         "//:node_modules/react-json-reconciler",
-        "//:node_modules/react-merge-refs",
         "//:node_modules/source-map-js",
         "//:node_modules/tapable-ts",
         "//:node_modules/ts-node",

language/dsl/src/components.tsx

@@ -1,6 +1,5 @@
 import React from "react";
 import type { ObjectNode, PropertyNode } from "react-json-reconciler";
-import { mergeRefs } from "react-merge-refs";
 import type { View as ViewType } from "@player-ui/types";
 import type { PlayerApplicability, WithChildren } from "./types";
 import {
@@ -16,6 +15,7 @@ import {
   toJsonElement,
   toJsonProperties,
   flattenChildren,
+  mergeRefs,
 } from "./utils";
 
 export type AssetProps = PlayerApplicability & {

language/dsl/src/utils.tsx

@@ -146,6 +146,24 @@ export function flattenChildren(children: React.ReactNode): ReactChildArray {
     return flatChildren;
   }, []);
 }
+/**
+ * Hoisted from https://github.com/gregberge/react-merge-refs/blob/main/src/index.tsx
+ * Published packages are ESM only or have bad esm distributions causing issues when
+ * used in an esm environment
+ */
+export function mergeRefs<T = any>(
+  refs: Array<React.MutableRefObject<T> | React.LegacyRef<T> | undefined | null>
+): React.RefCallback<T> {
+  return (value) => {
+    refs.forEach((ref) => {
+      if (typeof ref === "function") {
+        ref(value);
+      } else if (ref != null) {
+        (ref as React.MutableRefObject<T | null>).current = value;
+      }
+    });
+  };
+}
 
 /** Generates object reference properties from the provided object */
 export function getObjectReferences<

package.json

@@ -118,10 +118,8 @@
     "react-dom": "^18.2.0",
     "react-error-boundary": "^4.0.12",
     "react-flame-graph": "^1.4.0",
-    "react-flatten-children": "^1.1.2",
     "react-icons": "^5.0.1",
     "react-json-reconciler": "^2.0.0",
-    "react-merge-refs": "^2.1.1",
     "react-redux": "^7.2.6",
     "react-split": "^2.0.14",
     "react-syntax-highlighter": "^15.4.5",