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node_modules/apollo-utilities/lib/util/maybeDeepFreeze.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var environment_1 = require("./environment");
+function deepFreeze(o) {
+    Object.freeze(o);
+    Object.getOwnPropertyNames(o).forEach(function (prop) {
+        if (o[prop] !== null &&
+            (typeof o[prop] === 'object' || typeof o[prop] === 'function') &&
+            !Object.isFrozen(o[prop])) {
+            deepFreeze(o[prop]);
+        }
+    });
+    return o;
+}
+function maybeDeepFreeze(obj) {
+    if (environment_1.isDevelopment() || environment_1.isTest()) {
+        var symbolIsPolyfilled = typeof Symbol === 'function' && typeof Symbol('') === 'string';
+        if (!symbolIsPolyfilled) {
+            return deepFreeze(obj);
+        }
+    }
+    return obj;
+}
+exports.maybeDeepFreeze = maybeDeepFreeze;
+//# sourceMappingURL=maybeDeepFreeze.js.map