23 lines
524 B
GDScript3
23 lines
524 B
GDScript3
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static func case_(
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mapper : Callable,
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sources : Dictionary,
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default_source : Observable = null
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) -> Observable:
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var default_source_ : Observable = default_source if default_source != null else GDRx.obs.empty()
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var factory = func(__ : SchedulerBase) -> Observable:
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var key_ = mapper.call()
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var result
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if not sources.has(key_):
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result = default_source_
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else:
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result = sources[key_]
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if not result is Observable:
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return BadMappingError.raise()
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return result
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return GDRx.obs.defer(factory)
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