feat: Update to latest common, add polling interval parameter (#100)

* plumb polling interval through

docs/js-client-sdk.eppojsclient.getexperimentcontainerentry.md

@@ -0,0 +1,24 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@eppo/js-client-sdk](./js-client-sdk.md) &gt; [EppoJSClient](./js-client-sdk.eppojsclient.md) &gt; [getExperimentContainerEntry](./js-client-sdk.eppojsclient.getexperimentcontainerentry.md)
+
+## EppoJSClient.getExperimentContainerEntry() method
+
+**Signature:**
+
+```typescript
+getExperimentContainerEntry<T>(flagExperiment: IContainerExperiment<T>, subjectKey: string, subjectAttributes: Record<string, AttributeType>): T;
+```
+
+## Parameters
+
+|  Parameter | Type | Description |
+|  --- | --- | --- |
+|  flagExperiment | IContainerExperiment&lt;T&gt; |  |
+|  subjectKey | string |  |
+|  subjectAttributes | Record&lt;string, AttributeType&gt; |  |
+
+**Returns:**
+
+T
+

docs/js-client-sdk.eppojsclient.md

@@ -29,6 +29,7 @@ export declare class EppoJSClient extends EppoClient
 |  [getBoolAssignment(flagKey, subjectKey, subjectAttributes, defaultValue)](./js-client-sdk.eppojsclient.getboolassignment.md) |  |  |
 |  [getBooleanAssignment(flagKey, subjectKey, subjectAttributes, defaultValue)](./js-client-sdk.eppojsclient.getbooleanassignment.md) |  |  |
 |  [getBooleanAssignmentDetails(flagKey, subjectKey, subjectAttributes, defaultValue)](./js-client-sdk.eppojsclient.getbooleanassignmentdetails.md) |  |  |
+|  [getExperimentContainerEntry(flagExperiment, subjectKey, subjectAttributes)](./js-client-sdk.eppojsclient.getexperimentcontainerentry.md) |  |  |
 |  [getIntegerAssignment(flagKey, subjectKey, subjectAttributes, defaultValue)](./js-client-sdk.eppojsclient.getintegerassignment.md) |  |  |
 |  [getIntegerAssignmentDetails(flagKey, subjectKey, subjectAttributes, defaultValue)](./js-client-sdk.eppojsclient.getintegerassignmentdetails.md) |  |  |
 |  [getJSONAssignment(flagKey, subjectKey, subjectAttributes, defaultValue)](./js-client-sdk.eppojsclient.getjsonassignment.md) |  |  |

docs/js-client-sdk.iclientconfig.md

@@ -25,7 +25,8 @@ export interface IClientConfig
 |  [numPollRequestRetries?](./js-client-sdk.iclientconfig.numpollrequestretries.md) |  | number | _(Optional)_ Number of additional times polling for updated configurations will be attempted before giving up. Polling is done after a successful initial request. Subsequent attempts are done using an exponential backoff. (Default: 7) |
 |  [persistentStore?](./js-client-sdk.iclientconfig.persistentstore.md) |  | IAsyncStore<Flag> | _(Optional)_ A custom class to use for storing flag configurations. This is useful for cases where you want to use a different storage mechanism than the default storage provided by the SDK. |
 |  [pollAfterFailedInitialization?](./js-client-sdk.iclientconfig.pollafterfailedinitialization.md) |  | boolean | _(Optional)_ Poll for new configurations even if the initial configuration request failed. (default: false) |
-|  [pollAfterSuccessfulInitialization?](./js-client-sdk.iclientconfig.pollaftersuccessfulinitialization.md) |  | boolean | _(Optional)_ Poll for new configurations (every 30 seconds) after successfully requesting the initial configuration. (default: false) |
+|  [pollAfterSuccessfulInitialization?](./js-client-sdk.iclientconfig.pollaftersuccessfulinitialization.md) |  | boolean | _(Optional)_ Poll for new configurations (every <code>pollingIntervalMs</code>) after successfully requesting the initial configuration. (default: false) |
+|  [pollingIntervalMs?](./js-client-sdk.iclientconfig.pollingintervalms.md) |  | number | _(Optional)_ Amount of time to wait between API calls to refresh configuration data. Default of 30\_000 (30 seconds). |
 |  [requestTimeoutMs?](./js-client-sdk.iclientconfig.requesttimeoutms.md) |  | number | _(Optional)_ \* Timeout in milliseconds for the HTTPS request for the experiment configuration. (Default: 5000) |
 |  [skipInitialRequest?](./js-client-sdk.iclientconfig.skipinitialrequest.md) |  | boolean | _(Optional)_ Skip the request for new configurations during initialization. (default: false) |
 |  [throwOnFailedInitialization?](./js-client-sdk.iclientconfig.throwonfailedinitialization.md) |  | boolean | _(Optional)_ Throw an error if unable to fetch an initial configuration during initialization. (default: true) |

docs/js-client-sdk.iclientconfig.pollaftersuccessfulinitialization.md

@@ -4,7 +4,7 @@
 
 ## IClientConfig.pollAfterSuccessfulInitialization property
 
-Poll for new configurations (every 30 seconds) after successfully requesting the initial configuration. (default: false)
+Poll for new configurations (every `pollingIntervalMs`<!-- -->) after successfully requesting the initial configuration. (default: false)
 
 **Signature:**
 

docs/js-client-sdk.iclientconfig.pollingintervalms.md

@@ -0,0 +1,13 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [@eppo/js-client-sdk](./js-client-sdk.md) &gt; [IClientConfig](./js-client-sdk.iclientconfig.md) &gt; [pollingIntervalMs](./js-client-sdk.iclientconfig.pollingintervalms.md)
+
+## IClientConfig.pollingIntervalMs property
+
+Amount of time to wait between API calls to refresh configuration data. Default of 30\_000 (30 seconds).
+
+**Signature:**
+
+```typescript
+pollingIntervalMs?: number;
+```

js-client-sdk.api.md

@@ -16,6 +16,7 @@ import { IAssignmentDetails } from '@eppo/js-client-sdk-common';
 import { IAssignmentEvent } from '@eppo/js-client-sdk-common';
 import { IAssignmentLogger } from '@eppo/js-client-sdk-common';
 import { IAsyncStore } from '@eppo/js-client-sdk-common';
+import { IContainerExperiment } from '@eppo/js-client-sdk-common';
 import { ObfuscatedFlag } from '@eppo/js-client-sdk-common';
 
 // @public (undocumented)
@@ -50,6 +51,8 @@ export class EppoJSClient extends EppoClient {
     // (undocumented)
     getBooleanAssignmentDetails(flagKey: string, subjectKey: string, subjectAttributes: Record<string, AttributeType>, defaultValue: boolean): IAssignmentDetails<boolean>;
     // (undocumented)
+    getExperimentContainerEntry<T>(flagExperiment: IContainerExperiment<T>, subjectKey: string, subjectAttributes: Record<string, AttributeType>): T;
+    // (undocumented)
     getIntegerAssignment(flagKey: string, subjectKey: string, subjectAttributes: Record<string, AttributeType>, defaultValue: number): number;
     // (undocumented)
     getIntegerAssignmentDetails(flagKey: string, subjectKey: string, subjectAttributes: Record<string, AttributeType>, defaultValue: number): IAssignmentDetails<number>;
@@ -99,6 +102,7 @@ export interface IClientConfig {
     persistentStore?: IAsyncStore<Flag>;
     pollAfterFailedInitialization?: boolean;
     pollAfterSuccessfulInitialization?: boolean;
+    pollingIntervalMs?: number;
     requestTimeoutMs?: number;
     skipInitialRequest?: boolean;
     throwOnFailedInitialization?: boolean;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@eppo/js-client-sdk",
-  "version": "3.6.0",
+  "version": "3.7.0",
   "description": "Eppo SDK for client-side JavaScript applications",
   "main": "dist/index.js",
   "files": [
@@ -59,6 +59,6 @@
     "webpack-cli": "^4.10.0"
   },
   "dependencies": {
-    "@eppo/js-client-sdk-common": "4.2.0"
+    "@eppo/js-client-sdk-common": "4.3.0"
   }
 }

src/index.spec.ts

@@ -15,7 +15,7 @@ import {
 } from '@eppo/js-client-sdk-common';
 import * as td from 'testdouble';
 
-const { POLL_INTERVAL_MS, POLL_JITTER_PCT } = constants;
+const { DEFAULT_POLL_INTERVAL_MS, POLL_JITTER_PCT } = constants;
 
 import {
   IAssignmentTestCase,
@@ -406,7 +406,7 @@ describe('initialization options', () => {
   let mockLogger: IAssignmentLogger;
   let returnUfc = readMockUfcResponse; // function so it can be overridden per-test
 
-  const maxRetryDelay = POLL_INTERVAL_MS * POLL_JITTER_PCT;
+  const maxRetryDelay = DEFAULT_POLL_INTERVAL_MS * POLL_JITTER_PCT;
   const mockConfigResponse = {
     flags: {
       [obfuscatedFlagKey]: mockObfuscatedUfcFlagConfig,
@@ -492,7 +492,7 @@ describe('initialization options', () => {
     expect(client.getStringAssignment(flagKey, 'subject', {}, 'default-value')).toBe('control');
 
     // By default, no more calls
-    await jest.advanceTimersByTimeAsync(POLL_INTERVAL_MS * 10);
+    await jest.advanceTimersByTimeAsync(DEFAULT_POLL_INTERVAL_MS * 10);
     expect(callCount).toBe(2);
   });
 
@@ -577,7 +577,7 @@ describe('initialization options', () => {
     await jest.advanceTimersByTimeAsync(maxRetryDelay);
 
     // Should be polling
-    await jest.advanceTimersByTimeAsync(POLL_INTERVAL_MS * 10);
+    await jest.advanceTimersByTimeAsync(DEFAULT_POLL_INTERVAL_MS * 10);
     expect(callCount).toBe(11);
   });
 
@@ -609,7 +609,7 @@ describe('initialization options', () => {
     );
 
     // Expect no further configuration requests
-    await jest.advanceTimersByTimeAsync(POLL_INTERVAL_MS);
+    await jest.advanceTimersByTimeAsync(DEFAULT_POLL_INTERVAL_MS);
     expect(callCount).toBe(1);
   });
 
@@ -649,7 +649,7 @@ describe('initialization options', () => {
       'default-value',
     );
 
-    await jest.advanceTimersByTimeAsync(POLL_INTERVAL_MS);
+    await jest.advanceTimersByTimeAsync(DEFAULT_POLL_INTERVAL_MS);
 
     // Expect a new call from poller
     expect(callCount).toBe(3);
@@ -1025,7 +1025,7 @@ describe('initialization options', () => {
         'default-value',
       );
       // Advance time so a poll happened and check again
-      await jest.advanceTimersByTimeAsync(POLL_INTERVAL_MS);
+      await jest.advanceTimersByTimeAsync(DEFAULT_POLL_INTERVAL_MS);
       expect(getInstance().getStringAssignment(flagKey, 'subject', {}, 'default-value')).toBe(
         'control',
       );

src/index.ts

@@ -71,10 +71,15 @@ export interface IClientConfig {
   pollAfterFailedInitialization?: boolean;
 
   /**
-   * Poll for new configurations (every 30 seconds) after successfully requesting the initial configuration. (default: false)
+   * Poll for new configurations (every `pollingIntervalMs`) after successfully requesting the initial configuration. (default: false)
    */
   pollAfterSuccessfulInitialization?: boolean;
 
+  /**
+   * Amount of time to wait between API calls to refresh configuration data. Default of 30_000 (30 seconds).
+   */
+  pollingIntervalMs?: number;
+
   /**
    * Number of additional times polling for updated configurations will be attempted before giving up.
    * Polling is done after a successful initial request. Subsequent attempts are done using an exponential
@@ -461,6 +466,7 @@ export async function init(config: IClientConfig): Promise<EppoClient> {
       numPollRequestRetries: config.numPollRequestRetries ?? undefined,
       pollAfterSuccessfulInitialization: config.pollAfterSuccessfulInitialization ?? false,
       pollAfterFailedInitialization: config.pollAfterFailedInitialization ?? false,
+      pollingIntervalMs: config.pollingIntervalMs ?? undefined,
       throwOnFailedInitialization: true, // always use true here as underlying instance fetch is surrounded by try/catch
       skipInitialPoll: config.skipInitialRequest ?? false,
     };

yarn.lock

@@ -380,10 +380,10 @@
   resolved "https://registry.yarnpkg.com/@discoveryjs/json-ext/-/json-ext-0.5.7.tgz#1d572bfbbe14b7704e0ba0f39b74815b84870d70"
   integrity sha512-dBVuXR082gk3jsFp7Rd/JI4kytwGHecnCoTtXFb7DB6CNHp4rg5k1bhg0nWdLGLnOV71lmDzGQaLMy8iPLY0pw==
 
-"@eppo/js-client-sdk-common@4.2.0":
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/@eppo/js-client-sdk-common/-/js-client-sdk-common-4.2.0.tgz#713910bf7c5291300d48b408bced995ae00e2834"
-  integrity sha512-DzT3q1jwpb8yEgKLtPzCxaW6X+rUmYuX5jnGqPzLM2WDlfZ0rkUdDqBt9lzw76DkSZu+C7dpzHcH9EnWuDms8w==
+"@eppo/js-client-sdk-common@4.3.0":
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/@eppo/js-client-sdk-common/-/js-client-sdk-common-4.3.0.tgz#66c0e5904091ac1a9c2bc3bf4017637b13404ce8"
+  integrity sha512-ur270vCZjUuKuEohF1vH7yh1MBxtDbVcduCJzJmJ6m7kjoyvqNPzG/+lYPEol6Bpr9wV42ciIB+A1cYeNZ7gSA==
   dependencies:
     js-base64 "^3.7.7"
     md5 "^2.3.0"