Initial commit

lib/core/unindent.js

@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2017-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+// Remove the indentation introduced by JSX
+function unindent(code) {
+  const lines = code.split('\n');
+  if (lines[0] === '') {
+    lines.shift();
+  }
+  if (lines.length <= 1) {
+    return code;
+  }
+
+  const indent = lines[0].match(/^\s*/)[0];
+  for (let i = 0; i < lines.length; ++i) {
+    lines[i] = lines[i].replace(new RegExp('^' + indent), '');
+  }
+  return lines.join('\n');
+}
+
+module.exports = unindent;