@yamada-ui/react/dist/cjs/components/infinite-scroll-area/use-infinite-scroll.cjs.map

React UI components of the Yamada, by the Yamada, for the Yamada built with React and Emotion

{"version":3,"file":"use-infinite-scroll.cjs","names":["useEnvironment","useCallbackRef","options: IntersectionObserverInit","root","el"],"sources":["../../../../src/components/infinite-scroll-area/use-infinite-scroll.ts"],"sourcesContent":["\"use client\"\n\nimport type { RefObject } from \"react\"\nimport type { Orientation } from \"../../core\"\nimport { useCallback, useEffect, useMemo, useRef, useState } from \"react\"\nimport { useEnvironment } from \"../../core\"\nimport { assignRef, useCallbackRef } from \"../../utils\"\n\nconst isScrollable = (el: HTMLElement, vertical: boolean) => {\n  const style = getComputedStyle(el)\n\n  if ([\"auto\", \"overlay\", \"scroll\"].includes(style.overflow)) return true\n\n  if (vertical) {\n    return [\"auto\", \"overlay\", \"scroll\"].includes(style.overflowY)\n  } else {\n    return [\"auto\", \"overlay\", \"scroll\"].includes(style.overflowX)\n  }\n}\n\nexport interface UseInfiniteScrollProps\n  extends Omit<IntersectionObserverInit, \"root\"> {\n  /**\n   * Determines whether scrolling is instant or animates smoothly.\n   */\n  behavior?: ScrollBehavior\n  /**\n   * If `true`, the infinite scroll is disabled.\n   *\n   * @default false\n   */\n  disabled?: boolean\n  /**\n   * Ref to a reset index function.\n   */\n  indexRef?: RefObject<(index: number) => void>\n  /**\n   * If `true`, invoke `onLoad` function for the first time.\n   *\n   * @default false\n   */\n  initialLoad?: boolean\n  /**\n   * The orientation of the infinite scroll.\n   *\n   * @default 'vertical'\n   */\n  orientation?: Orientation\n  /**\n   * Ref to a reset function.\n   */\n  resetRef?: RefObject<(index?: number, runScroll?: boolean) => void>\n  /**\n   *  If `true`, reverse direction.\n   *\n   * @default false\n   */\n  reverse?: boolean\n  /**\n   * Margin around the root. Can have values similar to the CSS margin property,\n   * e.g. \"10px 20px 30px 40px\" (top, right, bottom, left).\n   */\n  rootMargin?: string\n  /**\n   * The element that is used as the viewport for checking visibility of the target.\n   * Defaults to the browser viewport if not specified or if `null`.\n   */\n  rootRef?: RefObject<HTMLElement | null>\n  /**\n   * If set the `onLoad` function will start from the given index.\n   * If `initialLoad` is `true`, index starts from `0`.\n   *\n   * @default 1\n   */\n  startIndex?: number\n  /**\n   * Either a single number or an array of numbers which indicate at what percentage of the target's visibility the observer's callback should be executed.\n   */\n  threshold?: number | number[]\n  /**\n   * The callback invoked when trigger is intersect.\n   */\n  onLoad?: ({\n    entry,\n    finish,\n    index,\n  }: {\n    finish: () => void\n    index: number\n    entry?: IntersectionObserverEntry\n  }) => Promise<void> | void\n}\n\n/**\n * `useInfiniteScroll` is a custom hook for providing infinite scroll functionality.\n *\n * @see https://yamada-ui.com/docs/hooks/use-infinite-scroll\n */\nexport const useInfiniteScroll = <Y extends HTMLElement = HTMLDivElement>({\n  behavior,\n  disabled = false,\n  indexRef: indexRefProp,\n  initialLoad = false,\n  orientation = \"vertical\",\n  resetRef,\n  reverse = false,\n  rootMargin,\n  rootRef,\n  startIndex = initialLoad ? 0 : 1,\n  threshold,\n  onLoad: onLoadProp,\n}: UseInfiniteScrollProps = {}) => {\n  const ref = useRef<Y>(null)\n  const { getDocument, getWindow } = useEnvironment()\n  const indexRef = useRef<number>(startIndex)\n  const processingRef = useRef<boolean>(false)\n  const observerRef = useRef<IntersectionObserver | undefined>(undefined)\n  const [finish, setFinish] = useState<boolean>(false)\n  const onLoad = useCallbackRef(onLoadProp)\n  const vertical = orientation === \"vertical\"\n  const direction = vertical ? \"top\" : \"left\"\n  const options: IntersectionObserverInit = useMemo(() => {\n    const root = rootRef?.current\n\n    return { root, rootMargin, threshold }\n  }, [rootMargin, rootRef, threshold])\n\n  const onReset = useCallback(\n    (index = 1, runScroll = true) => {\n      indexRef.current = index\n\n      setFinish(false)\n\n      if (runScroll) {\n        const root = rootRef?.current\n        const body = getDocument()?.body\n        const el = root && isScrollable(root, vertical) ? root : body\n\n        if (el) {\n          const target = el === body ? getWindow() : el\n          const position = reverse\n            ? vertical\n              ? el.scrollHeight\n              : el.scrollWidth\n            : 0\n\n          target?.scrollTo({ behavior, [direction]: position })\n        }\n      }\n\n      if (disabled) return\n\n      setTimeout(() => {\n        const observer = observerRef.current\n        const el = ref.current\n\n        if (el) observer?.observe(el)\n      })\n    },\n    [\n      disabled,\n      rootRef,\n      getDocument,\n      vertical,\n      getWindow,\n      reverse,\n      behavior,\n      direction,\n    ],\n  )\n\n  const onFinish = useCallback(() => {\n    const observer = observerRef.current\n    const el = ref.current\n\n    if (el) observer?.unobserve(el)\n\n    setFinish(true)\n  }, [])\n\n  const createObserver = useCallback(() => {\n    const observer = new IntersectionObserver(async ([entry]) => {\n      const root = rootRef?.current\n      const body = getDocument()?.body\n      const el = root && isScrollable(root, vertical) ? root : body\n\n      if (!entry?.isIntersecting || processingRef.current || !el) return\n\n      const props = { entry, finish: onFinish, index: indexRef.current }\n\n      processingRef.current = true\n\n      if (root) root.ariaBusy = \"true\"\n\n      let prevScrollPosition = 0\n\n      if (reverse)\n        prevScrollPosition = vertical ? el.scrollHeight : el.scrollWidth\n\n      await onLoad(props)\n\n      if (reverse)\n        setTimeout(() => {\n          const target = el === body ? getWindow() : el\n          const position =\n            (vertical ? el.scrollHeight : el.scrollWidth) - prevScrollPosition\n\n          target?.scrollTo({ [direction]: position })\n        })\n\n      indexRef.current += 1\n      processingRef.current = false\n\n      if (root) root.ariaBusy = \"false\"\n    }, options)\n\n    return observer\n  }, [\n    options,\n    rootRef,\n    getDocument,\n    vertical,\n    onFinish,\n    reverse,\n    onLoad,\n    getWindow,\n    direction,\n  ])\n\n  useEffect(() => {\n    const setupObserver = async () => {\n      const el = ref.current\n      const index = indexRef.current\n      const root = rootRef?.current\n\n      if (initialLoad) {\n        processingRef.current = true\n\n        if (root) root.ariaBusy = \"true\"\n\n        await onLoad({ finish: onFinish, index })\n\n        indexRef.current += 1\n        processingRef.current = false\n\n        if (root) root.ariaBusy = \"false\"\n      }\n\n      if (disabled) return\n\n      observerRef.current = createObserver()\n\n      const observer = observerRef.current\n\n      if (reverse) {\n        const root = rootRef?.current\n        const body = getDocument()?.body\n        const el = root && isScrollable(root, vertical) ? root : body\n\n        if (el) {\n          const target = el === body ? getWindow() : el\n          const position = vertical ? el.scrollHeight : el.scrollWidth\n\n          target?.scrollTo({ [direction]: position })\n        }\n      }\n\n      setTimeout(() => {\n        if (el) observer.observe(el)\n      })\n\n      return () => {\n        if (el) observer.unobserve(el)\n      }\n    }\n\n    setupObserver()\n  }, [\n    createObserver,\n    initialLoad,\n    disabled,\n    reverse,\n    vertical,\n    onFinish,\n    onLoad,\n    rootRef,\n    getDocument,\n    getWindow,\n    direction,\n  ])\n\n  assignRef(resetRef, onReset)\n  assignRef(indexRefProp, (index) => (indexRef.current = index))\n\n  return { ref, finish }\n}\n"],"mappings":";;;;;;;;;;AAQA,MAAM,gBAAgB,IAAiB,aAAsB;CAC3D,MAAM,QAAQ,iBAAiB,GAAG;AAElC,KAAI;EAAC;EAAQ;EAAW;EAAS,CAAC,SAAS,MAAM,SAAS,CAAE,QAAO;AAEnE,KAAI,SACF,QAAO;EAAC;EAAQ;EAAW;EAAS,CAAC,SAAS,MAAM,UAAU;KAE9D,QAAO;EAAC;EAAQ;EAAW;EAAS,CAAC,SAAS,MAAM,UAAU;;;;;;;AAkFlE,MAAa,qBAA6D,EACxE,UACA,WAAW,OACX,UAAU,cACV,cAAc,OACd,cAAc,YACd,UACA,UAAU,OACV,YACA,SACA,aAAa,cAAc,IAAI,GAC/B,WACA,QAAQ,eACkB,EAAE,KAAK;CACjC,MAAM,wBAAgB,KAAK;CAC3B,MAAM,EAAE,aAAa,cAAcA,6CAAgB;CACnD,MAAM,6BAA0B,WAAW;CAC3C,MAAM,kCAAgC,MAAM;CAC5C,MAAM,gCAAuD,OAAU;CACvE,MAAM,CAAC,QAAQ,iCAA+B,MAAM;CACpD,MAAM,SAASC,2BAAe,WAAW;CACzC,MAAM,WAAW,gBAAgB;CACjC,MAAM,YAAY,WAAW,QAAQ;CACrC,MAAMC,mCAAkD;AAGtD,SAAO;GAAE,MAFI,SAAS;GAEP;GAAY;GAAW;IACrC;EAAC;EAAY;EAAS;EAAU,CAAC;CAEpC,MAAM,kCACH,QAAQ,GAAG,YAAY,SAAS;AAC/B,WAAS,UAAU;AAEnB,YAAU,MAAM;AAEhB,MAAI,WAAW;GACb,MAAM,OAAO,SAAS;GACtB,MAAM,OAAO,aAAa,EAAE;GAC5B,MAAM,KAAK,QAAQ,aAAa,MAAM,SAAS,GAAG,OAAO;AAEzD,OAAI,IAAI;IACN,MAAM,SAAS,OAAO,OAAO,WAAW,GAAG;IAC3C,MAAM,WAAW,UACb,WACE,GAAG,eACH,GAAG,cACL;AAEJ,YAAQ,SAAS;KAAE;MAAW,YAAY;KAAU,CAAC;;;AAIzD,MAAI,SAAU;AAEd,mBAAiB;GACf,MAAM,WAAW,YAAY;GAC7B,MAAM,KAAK,IAAI;AAEf,OAAI,GAAI,WAAU,QAAQ,GAAG;IAC7B;IAEJ;EACE;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACD,CACF;CAED,MAAM,wCAA6B;EACjC,MAAM,WAAW,YAAY;EAC7B,MAAM,KAAK,IAAI;AAEf,MAAI,GAAI,WAAU,UAAU,GAAG;AAE/B,YAAU,KAAK;IACd,EAAE,CAAC;CAEN,MAAM,8CAAmC;AAoCvC,SAnCiB,IAAI,qBAAqB,OAAO,CAAC,WAAW;GAC3D,MAAM,OAAO,SAAS;GACtB,MAAM,OAAO,aAAa,EAAE;GAC5B,MAAM,KAAK,QAAQ,aAAa,MAAM,SAAS,GAAG,OAAO;AAEzD,OAAI,CAAC,OAAO,kBAAkB,cAAc,WAAW,CAAC,GAAI;GAE5D,MAAM,QAAQ;IAAE;IAAO,QAAQ;IAAU,OAAO,SAAS;IAAS;AAElE,iBAAc,UAAU;AAExB,OAAI,KAAM,MAAK,WAAW;GAE1B,IAAI,qBAAqB;AAEzB,OAAI,QACF,sBAAqB,WAAW,GAAG,eAAe,GAAG;AAEvD,SAAM,OAAO,MAAM;AAEnB,OAAI,QACF,kBAAiB;IACf,MAAM,SAAS,OAAO,OAAO,WAAW,GAAG;IAC3C,MAAM,YACH,WAAW,GAAG,eAAe,GAAG,eAAe;AAElD,YAAQ,SAAS,GAAG,YAAY,UAAU,CAAC;KAC3C;AAEJ,YAAS,WAAW;AACpB,iBAAc,UAAU;AAExB,OAAI,KAAM,MAAK,WAAW;KACzB,QAAQ;IAGV;EACD;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACD,CAAC;AAEF,4BAAgB;EACd,MAAM,gBAAgB,YAAY;GAChC,MAAM,KAAK,IAAI;GACf,MAAM,QAAQ,SAAS;GACvB,MAAM,OAAO,SAAS;AAEtB,OAAI,aAAa;AACf,kBAAc,UAAU;AAExB,QAAI,KAAM,MAAK,WAAW;AAE1B,UAAM,OAAO;KAAE,QAAQ;KAAU;KAAO,CAAC;AAEzC,aAAS,WAAW;AACpB,kBAAc,UAAU;AAExB,QAAI,KAAM,MAAK,WAAW;;AAG5B,OAAI,SAAU;AAEd,eAAY,UAAU,gBAAgB;GAEtC,MAAM,WAAW,YAAY;AAE7B,OAAI,SAAS;IACX,MAAMC,SAAO,SAAS;IACtB,MAAM,OAAO,aAAa,EAAE;IAC5B,MAAMC,OAAKD,UAAQ,aAAaA,QAAM,SAAS,GAAGA,SAAO;AAEzD,QAAIC,MAAI;KACN,MAAM,SAASA,SAAO,OAAO,WAAW,GAAGA;KAC3C,MAAM,WAAW,WAAWA,KAAG,eAAeA,KAAG;AAEjD,aAAQ,SAAS,GAAG,YAAY,UAAU,CAAC;;;AAI/C,oBAAiB;AACf,QAAI,GAAI,UAAS,QAAQ,GAAG;KAC5B;AAEF,gBAAa;AACX,QAAI,GAAI,UAAS,UAAU,GAAG;;;AAIlC,iBAAe;IACd;EACD;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACD,CAAC;AAEF,uBAAU,UAAU,QAAQ;AAC5B,uBAAU,eAAe,UAAW,SAAS,UAAU,MAAO;AAE9D,QAAO;EAAE;EAAK;EAAQ"}