Create experimental spread+jjson.js

src/spread+jjson.js

@@ -0,0 +1,47 @@
+// Copyright (c) 2020-present @abumq (Majid Q.)
+//
+// https://github.com/abumq/airsync
+//
+// 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.
+
+const { json } = require('./json');
+
+const KEY_NAME = '__airsync_jjson';
+
+if (typeof global === 'undefined') {
+  if (typeof window === 'undefined') {
+    throw new Error('spread() only support in browser or node')
+  }
+  global = window;
+}
+
+const spread = () => {
+  global[KEY_NAME] = global[KEY_NAME] || [];
+  const result = KEY_NAME + global[KEY_NAME].length;
+  global[KEY_NAME].push(result)
+  return result;
+}
+
+const jjson = async (obj, opts = {}) => {
+  const result = await json(obj, opts)
+  for (const k in result) {
+    if (k.indexOf(KEY_NAME) === 0) {
+        Object.assign(result, result[k])
+        delete result[k];
+    }
+  }
+  return result;
+}
+
+module.exports.jjson = jjson;
+module.exports.spread = spread;