1 files changed, 56 insertions, 0 deletions
diff --git a/share/server/60/rewrite_fun.js b/share/server/60/rewrite_fun.js
new file mode 100644
index 000000000..1b27a9d14
--- /dev/null
+++ b/share/server/60/rewrite_fun.js
@@ -0,0 +1,56 @@
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+//
+// Based on the normalizeFunction which can be
+// found here:
+//
+//  https://github.com/dmunch/couch-chakra/blob/master/js/normalizeFunction.js
+
+function rewriteFunInt(fun) {
+    const ast = esprima.parse(fun);
+    let idx = ast.body.length - 1;
+    let decl = {};
+
+    // Search for the first FunctionDeclaration beginning from the end
+    do {
+        decl = ast.body[idx--];
+    } while (idx >= 0 && decl.type !== "FunctionDeclaration");
+    idx++;
+
+    // If we have a function declaration without an Id, wrap it
+    // in an ExpressionStatement and change it into
+    // a FuntionExpression
+    if (decl.type == "FunctionDeclaration" && decl.id == null) {
+        decl.type = "FunctionExpression";
+        ast.body[idx] = {
+            type: "ExpressionStatement",
+            expression: decl
+        };
+    }
+
+    // Generate source from the rewritten AST
+    return escodegen.generate(ast);
+}
+
+
+function rewriteFun(funJSON) {
+    const fun = JSON.parse(funJSON);
+    return JSON.stringify(rewriteFunInt(fun));
+}
+
+function rewriteFuns(funsJSON) {
+    let funs = JSON.parse(funsJSON);
+    const results = Array.from(funs, (fun) => {
+        return rewriteFunInt(fun);
+    });
+    return JSON.stringify(results);
+}
+\ No newline at end of file