optimizely / javascript-sdk / 428

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Pull #174

travis-ci

feat (audience match types): Update audience evaluator and project config for new audience match types (#173)

This updates project config and the audience evaluator to finish the implementation of typed audience evaluation:

- In audience_evaluator, allow evaluation to continue when no user attributes are passed (previously we were immediately returning `false` when no attributes were passed)
- Update project_config: in `createProjectConfig`, set up a by-id object for accessing audiences from both `audiences` and `typedAudiences`. Also, update `getAudiencesForExperiment` to first look in `projectConfig.typedAudiences`, and only look in `projectConfig.audiences` as a fallback.
- Added unit tests checking that all top-level methods that accept user attributes can bucket users into experiments or rollouts that use typed audiences.

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