Deleting Optimized Bundle!

Reviewed By: javache

Differential Revision: D4566164

fbshipit-source-id: 1fbd3dd04f24399e93e3c6ec58956e6e18f1683f

ReactCommon/cxxreact/JSBigString.cpp

@@ -0,0 +1,27 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+#include "JSBigString.h"
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/stat.h>
+
+#include <folly/Memory.h>
+#include <folly/ScopeGuard.h>
+
+namespace facebook {
+namespace react {
+
+std::unique_ptr<const JSBigFileString> JSBigFileString::fromPath(const std::string& sourceURL) {
+  int fd = ::open(sourceURL.c_str(), O_RDONLY);
+  folly::checkUnixError(fd, "Could not open file", sourceURL);
+  SCOPE_EXIT { CHECK(::close(fd) == 0); };
+
+  struct stat fileInfo;
+  folly::checkUnixError(::fstat(fd, &fileInfo), "fstat on bundle failed.");
+
+  return folly::make_unique<const JSBigFileString>(fd, fileInfo.st_size);
+}
+
+}  // namespace react
+}  // namespace facebook