{"version":3,"file":"use-interval.mjs","names":[],"sources":["../../src/use-interval/use-interval.ts"],"sourcesContent":["import { useCallback, useEffect, useRef, useState } from 'react';\n\nexport interface UseIntervalOptions {\n  /** If set, the interval will start automatically when the component is mounted, `false` by default */\n  autoInvoke?: boolean;\n}\n\nexport interface UseIntervalReturnValue {\n  /** Starts the interval */\n  start: () => void;\n\n  /** Stops the interval */\n  stop: () => void;\n\n  /** Toggles the interval */\n  toggle: () => void;\n\n  /** Indicates if the interval is active */\n  active: boolean;\n}\n\nexport function useInterval(\n  fn: () => void,\n  interval: number,\n  { autoInvoke = false }: UseIntervalOptions = {}\n): UseIntervalReturnValue {\n  const [active, setActive] = useState(false);\n  const intervalRef = useRef<number | null>(null);\n  const fnRef = useRef<() => void>(null);\n\n  const start = useCallback(() => {\n    setActive((old) => {\n      if (!old && (!intervalRef.current || intervalRef.current === -1)) {\n        intervalRef.current = window.setInterval(fnRef.current!, interval);\n      }\n      return true;\n    });\n  }, []);\n\n  const stop = useCallback(() => {\n    setActive(false);\n    window.clearInterval(intervalRef.current || -1);\n    intervalRef.current = -1;\n  }, []);\n\n  const toggle = useCallback(() => {\n    if (active) {\n      stop();\n    } else {\n      start();\n    }\n  }, [active]);\n\n  useEffect(() => {\n    fnRef.current = fn;\n    active && start();\n    return stop;\n  }, [fn, active, interval]);\n\n  useEffect(() => {\n    if (autoInvoke) {\n      start();\n    }\n  }, []);\n\n  return { start, stop, toggle, active };\n}\n\nexport namespace useInterval {\n  export type Options = UseIntervalOptions;\n  export type ReturnValue = UseIntervalReturnValue;\n}\n"],"mappings":";;;AAqBA,SAAgB,YACd,IACA,UACA,EAAE,aAAa,UAA8B,EAAE,EACvB;CACxB,MAAM,CAAC,QAAQ,aAAa,SAAS,MAAM;CAC3C,MAAM,cAAc,OAAsB,KAAK;CAC/C,MAAM,QAAQ,OAAmB,KAAK;CAEtC,MAAM,QAAQ,kBAAkB;AAC9B,aAAW,QAAQ;AACjB,OAAI,CAAC,QAAQ,CAAC,YAAY,WAAW,YAAY,YAAY,IAC3D,aAAY,UAAU,OAAO,YAAY,MAAM,SAAU,SAAS;AAEpE,UAAO;IACP;IACD,EAAE,CAAC;CAEN,MAAM,OAAO,kBAAkB;AAC7B,YAAU,MAAM;AAChB,SAAO,cAAc,YAAY,WAAW,GAAG;AAC/C,cAAY,UAAU;IACrB,EAAE,CAAC;CAEN,MAAM,SAAS,kBAAkB;AAC/B,MAAI,OACF,OAAM;MAEN,QAAO;IAER,CAAC,OAAO,CAAC;AAEZ,iBAAgB;AACd,QAAM,UAAU;AAChB,YAAU,OAAO;AACjB,SAAO;IACN;EAAC;EAAI;EAAQ;EAAS,CAAC;AAE1B,iBAAgB;AACd,MAAI,WACF,QAAO;IAER,EAAE,CAAC;AAEN,QAAO;EAAE;EAAO;EAAM;EAAQ;EAAQ"}