FF-2465 Make orderPosition 1-indexed to match UI

src/client/eppo-client-assignment-details.spec.ts

@@ -10,7 +10,7 @@ import ApiEndpoints from '../api-endpoints';
 import { IConfigurationStore } from '../configuration-store/configuration-store';
 import { MemoryOnlyConfigurationStore } from '../configuration-store/memory.store';
 import FlagConfigurationRequestor from '../flag-configuration-requestor';
-import { AllocationEvaluationCode } from '../flag-evaluation-details';
+import { AllocationEvaluationCode } from '../flag-evaluation-details-builder';
 import FetchHttpClient from '../http-client';
 import { Flag, ObfuscatedFlag, VariationType } from '../interfaces';
 import { OperatorType } from '../rules';

src/client/eppo-client.spec.ts

@@ -6,11 +6,11 @@
   MOCK_UFC_RESPONSE_FILE,
   OBFUSCATED_MOCK_UFC_RESPONSE_FILE,
   SubjectTestCase,
   getTestAssignmentDetails,
   getTestAssignments,
   readAssignmentTestData,
   readMockUFCResponse,
   validateTestAssignmentDetails,
   validateTestAssignments,
 } from '../../test/testHelpers';
 import ApiEndpoints from '../api-endpoints';
@@ -19,13 +19,13 @@
 import { MemoryOnlyConfigurationStore } from '../configuration-store/memory.store';
 import { MAX_EVENT_QUEUE_SIZE, POLL_INTERVAL_MS, POLL_JITTER_PCT } from '../constants';
 import FlagConfigurationRequestor from '../flag-configuration-requestor';
-import { AllocationEvaluationCode } from '../flag-evaluation-details';
+import { AllocationEvaluationCode } from '../flag-evaluation-details-builder';
 import FetchHttpClient from '../http-client';
 import { Flag, ObfuscatedFlag, VariationType } from '../interfaces';
 import { OperatorType } from '../rules';
 
 import EppoClient, {
   AssignmentDetails,
   FlagConfigurationRequestParameters,
   checkTypeMatch,
 } from './eppo-client';

src/client/eppo-client.ts

@@ -18,7 +18,10 @@ import { decodeFlag } from '../decoding';
 import { EppoValue } from '../eppo_value';
 import { Evaluator, FlagEvaluation, noneResult } from '../evaluator';
 import FlagConfigurationRequestor from '../flag-configuration-requestor';
-import { FlagEvaluationDetails, FlagEvaluationDetailsBuilder } from '../flag-evaluation-details';
+import {
+  FlagEvaluationDetails,
+  FlagEvaluationDetailsBuilder,
+} from '../flag-evaluation-details-builder';
 import FetchHttpClient from '../http-client';
 import { Flag, ObfuscatedFlag, Variation, VariationType } from '../interfaces';
 import { getMD5Hash } from '../obfuscation';
@@ -27,7 +30,7 @@ import { AttributeType, ValueType } from '../types';
 import { validateNotBlank } from '../validation';
 import { LIB_VERSION } from '../version';
 
-export interface AssignmentDetails<T extends Variation['value'] | object>
+export interface IAssignmentDetails<T extends Variation['value'] | object>
   extends FlagEvaluationDetails {
   value: T;
 }
@@ -177,7 +180,7 @@ export default class EppoClient {
     subjectKey: string,
     subjectAttributes: Record<string, AttributeType>,
     defaultValue: string,
-  ): AssignmentDetails<string> {
+  ): IAssignmentDetails<string> {
     const { eppoValue, flagEvaluationDetails } = this.getAssignmentVariation(
       flagKey,
       subjectKey,
@@ -239,7 +242,7 @@ export default class EppoClient {
     subjectKey: string,
     subjectAttributes: Record<string, AttributeType>,
     defaultValue: boolean,
-  ): AssignmentDetails<boolean> {
+  ): IAssignmentDetails<boolean> {
     const { eppoValue, flagEvaluationDetails } = this.getAssignmentVariation(
       flagKey,
       subjectKey,
@@ -289,7 +292,7 @@ export default class EppoClient {
     subjectKey: string,
     subjectAttributes: Record<string, AttributeType>,
     defaultValue: number,
-  ): AssignmentDetails<number> {
+  ): IAssignmentDetails<number> {
     const { eppoValue, flagEvaluationDetails } = this.getAssignmentVariation(
       flagKey,
       subjectKey,
@@ -339,7 +342,7 @@ export default class EppoClient {
     subjectKey: string,
     subjectAttributes: Record<string, AttributeType>,
     defaultValue: number,
-  ): AssignmentDetails<number> {
+  ): IAssignmentDetails<number> {
     const { eppoValue, flagEvaluationDetails } = this.getAssignmentVariation(
       flagKey,
       subjectKey,
@@ -377,7 +380,7 @@ export default class EppoClient {
     subjectKey: string,
     subjectAttributes: Record<string, AttributeType>,
     defaultValue: object,
-  ): AssignmentDetails<object> {
+  ): IAssignmentDetails<object> {
     const { eppoValue, flagEvaluationDetails } = this.getAssignmentVariation(
       flagKey,
       subjectKey,

src/evaluator.ts

@@ -3,7 +3,7 @@ import {
   AllocationEvaluationCode,
   FlagEvaluationDetails,
   FlagEvaluationDetailsBuilder,
-} from './flag-evaluation-details';
+} from './flag-evaluation-details-builder';
 import { Flag, Shard, Range, Variation, Allocation, Split, VariationType } from './interfaces';
 import { Rule, matchesRule } from './rules';
 import { MD5Sharder, Sharder } from './sharders';
@@ -62,7 +62,7 @@ export class Evaluator {
         unmatchedAllocations.push({
           key: allocation.key,
           allocationEvaluationCode: code,
-          orderPosition: i,
+          orderPosition: i + 1,
         });
       };
 

src/flag-evaluation-details.ts → src/flag-evaluation-details-builder.ts

@@ -85,7 +85,7 @@ export class FlagEvaluationDetailsBuilder {
   };
 
   setMatch = (
-    orderPosition: number,
+    indexPosition: number,
     variation: Variation,
     allocation: Allocation,
     matchedRule: Rule | null,
@@ -103,16 +103,17 @@ export class FlagEvaluationDetailsBuilder {
     this.matchedAllocation = {
       key: allocation.key,
       allocationEvaluationCode: AllocationEvaluationCode.MATCH,
-      orderPosition,
+      orderPosition: indexPosition + 1, // orderPosition is 1-indexed to match UI
     };
     this.unmatchedAllocations = unmatchedAllocations;
-    const unevaluatedStartIndex = orderPosition + 1;
+    const unevaluatedStartIndex = indexPosition + 1;
+    const unevaluatedStartOrderPosition = unevaluatedStartIndex + 1; // orderPosition is 1-indexed to match UI
     this.unevaluatedAllocations = this.allocations.slice(unevaluatedStartIndex).map(
       (allocation, i) =>
         ({
           key: allocation.key,
           allocationEvaluationCode: AllocationEvaluationCode.UNEVALUATED,
-          orderPosition: unevaluatedStartIndex + i,
+          orderPosition: unevaluatedStartOrderPosition + i,
         } as AllocationEvaluation),
     );
     return this;

src/index.ts

@@ -14,7 +14,10 @@ import {
   assignmentCacheKeyToString,
   assignmentCacheValueToString,
 } from './cache/abstract-assignment-cache';
-import EppoClient, { FlagConfigurationRequestParameters } from './client/eppo-client';
+import EppoClient, {
+  IAssignmentDetails,
+  FlagConfigurationRequestParameters,
+} from './client/eppo-client';
 import {
   IConfigurationStore,
   IAsyncStore,
@@ -32,6 +35,7 @@ import * as validation from './validation';
 export {
   logger as applicationLogger,
   AbstractAssignmentCache,
+  IAssignmentDetails as AssignmentDetails,
   IAssignmentHooks,
   IAssignmentLogger,
   IAssignmentEvent,