fix: use copy-anything for deepClone to be compatible with nodeJS before v17 (open-feature#429)

Signed-off-by: Thomas Poignant <[email protected]>

Author: thomaspoignant

libs/providers/go-feature-flag/src/lib/go-feature-flag-provider.ts

@@ -10,6 +10,7 @@ import {
   TypeMismatchError,
 } from '@openfeature/js-sdk';
 import axios from 'axios';
+import {copy} from 'copy-anything';
 import {transformContext} from './context-transformer';
 import {ProxyNotReady} from './errors/proxyNotReady';
 import {ProxyTimeout} from './errors/proxyTimeout';
@@ -117,11 +118,11 @@ export class GoFeatureFlagProvider implements Provider {
    */
   async callGoffDataCollection() {
     if (this.dataCollectorBuffer?.length === 0) {
-      return
+      return;
     }
 
-    const dataToSend = structuredClone(this.dataCollectorBuffer);
-    this.dataCollectorBuffer = []
+    const dataToSend = copy(this.dataCollectorBuffer) || [];
+    this.dataCollectorBuffer = [];
 
     const request: DataCollectorRequest<boolean> = {events: dataToSend, meta: this.dataCollectorMetadata,}
     const endpointURL = new URL(this.endpoint);
@@ -138,7 +139,7 @@ export class GoFeatureFlagProvider implements Provider {
     } catch (e) {
       this.logger?.error(`impossible to send the data to the collector: ${e}`)
       // if we have an issue calling the collector we put the data back in the buffer
-      this.dataCollectorBuffer = [...this.dataCollectorBuffer, ...dataToSend]
+      this.dataCollectorBuffer = [...this.dataCollectorBuffer, ...dataToSend];
     }
   }
 

package-lock.json

@@ -22,6 +22,7 @@
     "@swc/helpers": "~0.5.0",
     "axios": "1.4.0",
     "configcat-js": "^8.0.0",
+    "copy-anything": "^3.0.5",
     "launchdarkly-js-client-sdk": "^3.1.3",
     "lodash.isequal": "^4.5.0",
     "lru-cache": "^10.0.0",