@sentry/browser
Version:
Official Sentry SDK for browsers
53 lines (46 loc) • 1.82 kB
JavaScript
import { defineIntegration, _INTERNAL_copyFlagsFromScopeToEvent, _INTERNAL_insertFlagToScope, _INTERNAL_addFeatureFlagToActiveSpan } from '@sentry/core';
/**
* Sentry integration for capturing feature flag evaluations from LaunchDarkly.
*
* See the [feature flag documentation](https://develop.sentry.dev/sdk/expected-features/#feature-flags) for more information.
*
* @example
* ```
* import * as Sentry from '@sentry/browser';
* import {launchDarklyIntegration, buildLaunchDarklyFlagUsedInspector} from '@sentry/browser';
* import * as LaunchDarkly from 'launchdarkly-js-client-sdk';
*
* Sentry.init(..., integrations: [launchDarklyIntegration()])
* const ldClient = LaunchDarkly.initialize(..., {inspectors: [buildLaunchDarklyFlagUsedHandler()]});
* ```
*/
const launchDarklyIntegration = defineIntegration(() => {
return {
name: 'LaunchDarkly',
processEvent(event, _hint, _client) {
return _INTERNAL_copyFlagsFromScopeToEvent(event);
},
};
}) ;
/**
* LaunchDarkly hook to listen for and buffer flag evaluations. This needs to
* be registered as an 'inspector' in LaunchDarkly initialize() options,
* separately from `launchDarklyIntegration`. Both the hook and the integration
* are needed to capture LaunchDarkly flags.
*/
function buildLaunchDarklyFlagUsedHandler() {
return {
name: 'sentry-flag-auditor',
type: 'flag-used',
synchronous: true,
/**
* Handle a flag evaluation by storing its name and value on the current scope.
*/
method: (flagKey, flagDetail, _context) => {
_INTERNAL_insertFlagToScope(flagKey, flagDetail.value);
_INTERNAL_addFeatureFlagToActiveSpan(flagKey, flagDetail.value);
},
};
}
export { buildLaunchDarklyFlagUsedHandler, launchDarklyIntegration };
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