WIP - add extractor, generate snippet_data

node_modules/fbjs/lib/warning.js.flow

@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @providesModule warning
+ */
+'use strict';
+
+declare var __DEV__: boolean;
+
+var emptyFunction = require("./emptyFunction");
+/**
+ * Similar to invariant but only logs a warning if the condition is not met.
+ * This can be used to log issues in development environments in critical
+ * paths. Removing the logging code for production environments will keep the
+ * same logic and follow the same code paths.
+ */
+
+
+function printWarning(format, ...args) {
+  var argIndex = 0;
+  var message = 'Warning: ' + format.replace(/%s/g, () => args[argIndex++]);
+
+  if (typeof console !== 'undefined') {
+    console.error(message);
+  }
+
+  try {
+    // --- Welcome to debugging React ---
+    // This error was thrown as a convenience so that you can use this stack
+    // to find the callsite that caused this warning to fire.
+    throw new Error(message);
+  } catch (x) {}
+}
+
+var warning = __DEV__ ? function (condition, format, ...args) {
+  if (format === undefined) {
+    throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
+  }
+
+  if (!condition) {
+    printWarning(format, ...args);
+  }
+} : emptyFunction;
+module.exports = warning;