Feature toggling service that enables split testing
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import seedrandom from 'seedrandom'; | |
export type featureTypes = { | |
'killer-feature': number | boolean; | |
}; | |
@Injectable({ | |
providedIn: 'root' | |
}) | |
export class FeatureToggleService { | |
public features: featureTypes; | |
public userId: string = 'some-user-id'; | |
constructor() {} | |
public isFeatureEnabled(feautureName: keyof featureTypes): boolean { | |
const featureValue = this.features[feautureName]; | |
if (Number.isInteger(featureValue as number)) { | |
seedrandom(this.userId); | |
const isEnabled = Math.floor(Math.random() * 100) <= featureValue; | |
return isEnabled; | |
} else { | |
return featureValue as boolean; | |
} | |
} | |
} |
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