From last Thursday until just now (Saturday), two issues confused me a lot:
forEach is synchronous, not asynchronous
This is a fundamental concept, but problems can arise when you assume a block of code will execute synchronously while using forEach. For some reason, if that block of code becomes asynchronous, it could lead to unexpected issues.
slice creates a shallow copy
shortConversation = […systemPrompt, …chatThread.current.slice(-(memoryLength + 2 - 1))];The slice method causes shortConversation and chatThread to share part of the memory, which led to unexpected behaviors.
The corrected code is as follows:
shortConversation = [...systemPrompt, ...structuredClone(chatThread.current.slice(-(memoryLength + 2 - 1)))];Using structuredClone ensures that shortConversation and chatThread are completely independent.