随笔分类 - XState
摘要：Unbeknownst to many, promises are state machines. They exist in either an idle, pending, resolved or rejected state. Because they can be modeled as st
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摘要：The passing of time can be represented as an event in XState. Rather than requiring the user to send an event after an amount of time has passed, XSta
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摘要：Can you walk and talk at the same time? If so, you've experienced what it's like to be in two states at the same time. Hopefully, those two states hav
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摘要：As our state machines grow more complex, we might find ourselves in a situation where a state should only exist if the machine is already in another s
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摘要：Not all transitions should be taken immediately. Occasionally, we would like to conditionally take a transition. We do this through the use of "guards
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摘要：Activities are continuous, ongoing side effects that are triggered by entering a particular state, and only stop when that state is exited. In the exa
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摘要：Consider a text input. It would be impossible for anyone to model every value you could possibly put into it, because the number of possible values is
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摘要：XState provides the send function to create an action that will send the event passed in to the machine. If we provide the second argument to the send
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摘要：Transitions come in two varieties: "external" and "internal". By default, a transition is considered external. This means that a transition will exit
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摘要：While it's powerful enough to have Machine.transition, it can get tedious constantly passing it a state and an event. It would be nice if we had a fun
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摘要：numerating the possible states of a function is a sound way to write a function, but it is imperative and could benefit from abstraction. We can do th
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