Function onStreamingText

src/session/applyLocalQueryEvent.test.ts:295–301

(f: (current: string | null) => string | null)

    }

    const onStreamingText = (f: (current: string | null) => string | null) => {
      const next = f(state.streamingText)
      if (next !== state.streamingText) {
        state = { ...state, streamingText: next }
        history.push({ ...state })
      }
    }

    const deps: ApplyLocalQueryEventDeps = {
      setMessages,