useFileHistorySnapshotInit.ts

hooks/useFileHistorySnapshotInit.ts

session-engine file-tools

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767

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Expert explanation

Architecturally, this file intersects with session-engine, file-tools. It contains 26 lines, 2 detected imports, and 1 detected exports.

Important relationships

Detected exports

useFileHistorySnapshotInit

Keywords

filehistorystateinitialfilehistorysnapshotsonupdatestateinitializeduseeffectusereffilehistorysnapshotfilehistoryenabledfilehistoryrestorestatefromlogvoid

Detected imports

react
../utils/fileHistory.js

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Full source

import { useEffect, useRef } from 'react'
import {
  type FileHistorySnapshot,
  type FileHistoryState,
  fileHistoryEnabled,
  fileHistoryRestoreStateFromLog,
} from '../utils/fileHistory.js'

export function useFileHistorySnapshotInit(
  initialFileHistorySnapshots: FileHistorySnapshot[] | undefined,
  fileHistoryState: FileHistoryState,
  onUpdateState: (newState: FileHistoryState) => void,
): void {
  const initialized = useRef(false)

  useEffect(() => {
    if (!fileHistoryEnabled() || initialized.current) {
      return
    }
    initialized.current = true
    if (initialFileHistorySnapshots) {
      fileHistoryRestoreStateFromLog(initialFileHistorySnapshots, onUpdateState)
    }
  }, [fileHistoryState, initialFileHistorySnapshots, onUpdateState])
}