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feat(core): expose createFlagEvaluationEndpointBuilder for external SDK packages #4528

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feat(core): expose createFlagEvaluationEndpointBuilder for external SDK packages #4528

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adc745f
feat(core): expose createFlagEvaluationEndpointBuilder as public API
typotter Apr 27, 2026
4a5b386
style: fix prettier formatting for createFlagEvaluationEndpointBuilder
typotter Apr 27, 2026
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13 changes: 13 additions & 0 deletions packages/core/src/domain/configuration/endpointBuilder.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,10 @@ import type { InitConfiguration } from './configuration'
// replaced at build time
declare const __BUILD_ENV__SDK_VERSION__: string

// Note: 'flagevaluation' is intentionally not wired into TransportConfiguration or computeEndpointBuilders.
// It is used by external SDK packages (e.g. @datadog/openfeature-browser) via the public
// createFlagEvaluationEndpointBuilder function. Adding it here makes the intake path
// (/api/v2/flagevaluation) an explicit part of the contract.
export type TrackType = 'logs' | 'rum' | 'replay' | 'profile' | 'exposures' | 'flagevaluation'
export type ApiType =
| 'fetch'
Expand Down Expand Up @@ -56,6 +60,15 @@ function createEndpointUrlWithParametersBuilder(
return (parameters) => `https://${host}${path}?${parameters}`
}

/**
* Build an EndpointBuilder for the flagevaluation intake track. Intended for use by external SDK
* packages (e.g. @datadog/openfeature-browser) that need to send flag evaluation data to the
* Datadog intake without depending on internal browser-core APIs.
*/
export function createFlagEvaluationEndpointBuilder(initConfiguration: InitConfiguration, extraParameters?: string[]) {
return createEndpointBuilder(initConfiguration, 'flagevaluation', extraParameters)
}

export function buildEndpointHost(
trackType: TrackType,
initConfiguration: InitConfiguration & { usePciIntake?: boolean }
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2 changes: 1 addition & 1 deletion packages/core/src/domain/configuration/index.ts
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Expand Up @@ -7,5 +7,5 @@ export {
serializeConfiguration,
} from './configuration'
export type { EndpointBuilder, TrackType } from './endpointBuilder'
export { createEndpointBuilder, buildEndpointHost } from './endpointBuilder'
export { createEndpointBuilder, buildEndpointHost, createFlagEvaluationEndpointBuilder } from './endpointBuilder'
export { computeTransportConfiguration, isIntakeUrl } from './transportConfiguration'
1 change: 1 addition & 0 deletions packages/core/src/index.ts
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Expand Up @@ -7,6 +7,7 @@ export {
isSampleRate,
buildEndpointHost,
isIntakeUrl,
createFlagEvaluationEndpointBuilder,
} from './domain/configuration'
export * from './domain/intakeSites'
export type { TrackingConsentState } from './domain/trackingConsent'
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