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node_modules/firebase-functions/lib/common/utilities/utils.js

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+"use strict";
+// The MIT License (MIT)
+//
+// Copyright (c) 2017 Firebase
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.applyChange = void 0;
+function isObject(obj) {
+    return typeof obj === "object" && !!obj;
+}
+/** @hidden */
+function applyChange(src, dest) {
+    // if not mergeable, don't merge
+    if (!isObject(dest) || !isObject(src)) {
+        return dest;
+    }
+    return merge(src, dest);
+}
+exports.applyChange = applyChange;
+function merge(src, dest) {
+    const res = {};
+    const keys = new Set([...Object.keys(src), ...Object.keys(dest)]);
+    for (const key of keys.values()) {
+        if (key in dest) {
+            if (dest[key] === null) {
+                continue;
+            }
+            res[key] = applyChange(src[key], dest[key]);
+        }
+        else if (src[key] !== null) {
+            res[key] = src[key];
+        }
+    }
+    return res;
+}