Updated the utfDecodeString() method to avoid a RangeError

Previously we were spreading the array of encoded values into String.fromCodePoint(...array). Functions arguments are first placed on the stack before the function is called though, which caused an error to be thrown for very large encoded strings.

Author: Brian Vaughn

packages/react-devtools-shared/src/utils.js

@@ -126,7 +126,16 @@ export function getUID(): number {
 }
 
 export function utfDecodeString(array: Array<number>): string {
-  return String.fromCodePoint(...array);
+  // Avoid spreading the array (e.g. String.fromCodePoint(...array))
+  // Functions arguments are first placed on the stack before the function is called
+  // which throws a RangeError for large arrays.
+  // See github.com/facebook/react/issues/22293
+  let string = '';
+  for (let i = 0; i < array.length; i++) {
+    const char = array[i];
+    string += String.fromCodePoint(char);
+  }
+  return string;
 }
 
 export function utfEncodeString(string: string): Array<number> {