@readr-media/react-infinite-scroll-list
Version:
The component progressively fetches data when page being scrolled to bottom and renders them.
182 lines (150 loc) • 21.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = InfiniteScrollList;
var _react = require("react");
var _jsxRuntime = require("react/jsx-runtime");
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
/**
* This component will progressively fetch data and render theme
*/
function InfiniteScrollList(_ref) {
var initialList = _ref.initialList,
amountOfElements = _ref.amountOfElements,
pageAmount = _ref.pageAmount,
pageSize = _ref.pageSize,
_ref$isAutoFetch = _ref.isAutoFetch,
isAutoFetch = _ref$isAutoFetch === void 0 ? true : _ref$isAutoFetch,
fetchListInPage = _ref.fetchListInPage,
children = _ref.children,
loader = _ref.loader,
_ref$hasCustomTrigger = _ref.hasCustomTrigger,
hasCustomTrigger = _ref$hasCustomTrigger === void 0 ? false : _ref$hasCustomTrigger;
var initialListIsArray = Array.isArray(initialList);
var _useState = (0, _react.useState)(!initialListIsArray ? 0 : pageSize),
_useState2 = _slicedToArray(_useState, 2),
renderSize = _useState2[0],
setRenderSize = _useState2[1];
var _useState3 = (0, _react.useState)(initialListIsArray ? _toConsumableArray(initialList) : []),
_useState4 = _slicedToArray(_useState3, 2),
dataList = _useState4[0],
setDataList = _useState4[1];
/**
* If initialList is an empty array, it means that no element have been displayed at beginning,
* so initialPage needs to be set to 0 to avoid undisplayed elements being skipped.
*/
var initialPage = initialListIsArray ? 1 : 0;
/**
* The number of fetches that is sent currently.
* State will possibly change when executing function `handleLoadMore`
*/
var fetchedPage = (0, _react.useRef)(initialPage);
var renderList = dataList.slice(0, renderSize);
var isLoading = (0, _react.useRef)(false);
var _useState5 = (0, _react.useState)(false),
_useState6 = _slicedToArray(_useState5, 2),
fetchEnded = _useState6[0],
setFetchEnded = _useState6[1];
var hasNotFetchedData = (0, _react.useMemo)(function () {
if (typeof amountOfElements === 'number' && amountOfElements) {
return dataList.length < amountOfElements;
}
if (typeof pageAmount === 'number' && pageAmount) {
return fetchedPage.current < pageAmount;
}
return true;
}, [amountOfElements, dataList.length, pageAmount]);
var hasNotRenderedData = (hasNotFetchedData || renderSize < dataList.length) && fetchEnded === false;
var isNotEnoughToRender = pageAmount ? fetchedPage.current < pageAmount && dataList.length - renderSize < pageSize : dataList.length - renderSize < pageSize;
var handleLoadMore = (0, _react.useCallback)(function () {
if (isLoading.current) {
return;
}
var oldRenderSize = renderSize;
if (isNotEnoughToRender && hasNotFetchedData) {
var newPage = fetchedPage.current + 1;
isLoading.current = true;
fetchListInPage(newPage).then(function (newList) {
if (newList.length === 0) {
setFetchEnded(true);
}
var list = [].concat(_toConsumableArray(dataList), _toConsumableArray(newList));
if (amountOfElements) {
setDataList(list.slice(0, amountOfElements));
setRenderSize(Math.min(oldRenderSize + pageSize, amountOfElements));
} else {
setDataList(list);
setRenderSize(Math.min(oldRenderSize + pageSize, list.length));
}
fetchedPage.current = newPage;
isLoading.current = false;
});
} else {
if (amountOfElements) {
setRenderSize(Math.min(oldRenderSize + pageSize, amountOfElements));
} else {
setRenderSize(Math.min(oldRenderSize + pageSize, dataList.length));
}
}
}, [fetchListInPage, dataList, amountOfElements, pageSize, renderSize, isNotEnoughToRender, hasNotFetchedData]);
var triggerRef = (0, _react.useRef)(null);
(0, _react.useEffect)(function () {
var callback = function callback(entries, observer) {
entries.forEach(function (entry) {
if (entry.isIntersecting) {
if (hasNotRenderedData) {
handleLoadMore();
} else {
observer.unobserve(entry.target);
}
}
});
};
var clickHandler = function clickHandler() {
if (hasNotRenderedData) {
handleLoadMore();
} else {
this.removeEventListener('click', clickHandler);
}
};
var observer = new IntersectionObserver(callback, {
root: null,
rootMargin: '0px',
threshold: 0
});
var triggerElement = triggerRef.current;
if (triggerElement) {
if (isAutoFetch) {
observer.observe(triggerElement);
} else {
triggerElement.addEventListener('click', clickHandler);
}
}
return function () {
if (triggerElement) {
if (isAutoFetch) {
observer.disconnect();
} else {
triggerElement.removeEventListener('click', clickHandler);
}
}
};
}, [handleLoadMore, isAutoFetch, hasNotRenderedData, hasCustomTrigger]);
return /*#__PURE__*/(0, _jsxRuntime.jsxs)(_jsxRuntime.Fragment, {
children: [children(renderList, hasCustomTrigger ? triggerRef : undefined), /*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
ref: !hasCustomTrigger ? triggerRef : undefined,
children: hasNotRenderedData && loader
})]
});
}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["InfiniteScrollList","initialList","amountOfElements","pageAmount","pageSize","isAutoFetch","fetchListInPage","children","loader","hasCustomTrigger","initialListIsArray","Array","isArray","useState","renderSize","setRenderSize","dataList","setDataList","initialPage","fetchedPage","useRef","renderList","slice","isLoading","fetchEnded","setFetchEnded","hasNotFetchedData","useMemo","length","current","hasNotRenderedData","isNotEnoughToRender","handleLoadMore","useCallback","oldRenderSize","newPage","then","newList","list","Math","min","triggerRef","useEffect","callback","entries","observer","forEach","entry","isIntersecting","unobserve","target","clickHandler","removeEventListener","IntersectionObserver","root","rootMargin","threshold","triggerElement","observe","addEventListener","disconnect","undefined"],"sources":["../src/infinite-scroll-list.tsx"],"sourcesContent":["import {\n  useState,\n  useRef,\n  useEffect,\n  useCallback,\n  type ReactNode,\n  useMemo,\n} from 'react'\n\ntype Props<T> = {\n  /** The initial data list to render */\n  initialList?: T[] | null\n  /** Maximum of items to be rendered  */\n  amountOfElements?: number\n  /** Maxmium of fetches to be fired */\n  pageAmount?: number\n  /** The amount of items per scroll page */\n  pageSize: number\n  /** The function to fetch more data, which will be executed when page is scrolled to bottom */\n  fetchListInPage: (page: number) => Promise<T[]>\n  /** The function to render data list */\n  children: (\n    renderList: T[],\n    customTriggerRef?: React.RefObject<HTMLElement>\n  ) => ReactNode\n  /** The loader element to display during data loading */\n  loader?: ReactNode\n  /** Whether the custom trigger ref will provided throught children callback to set up trigger point */\n  hasCustomTrigger?: boolean\n  /** Whether data fetch is executed atomatically */\n  isAutoFetch?: boolean\n}\n\n/**\n * This component will progressively fetch data and render theme\n */\nexport default function InfiniteScrollList<T>({\n  initialList,\n  amountOfElements,\n  pageAmount,\n  pageSize,\n  isAutoFetch = true,\n  fetchListInPage,\n  children,\n  loader,\n  hasCustomTrigger = false,\n}: Props<T>) {\n  const initialListIsArray = Array.isArray(initialList)\n  const [renderSize, setRenderSize] = useState(\n    !initialListIsArray ? 0 : pageSize\n  )\n  const [dataList, setDataList] = useState(\n    initialListIsArray ? [...initialList] : []\n  )\n\n  /**\n   * If initialList is an empty array, it means that no element have been displayed at beginning,\n   * so initialPage needs to be set to 0  to avoid undisplayed elements being skipped.\n   */\n  const initialPage = initialListIsArray ? 1 : 0\n\n  /**\n   * The number of fetches that is sent currently.\n   * State will possibly change when executing function `handleLoadMore`\n   */\n  const fetchedPage = useRef(initialPage)\n  const renderList = dataList.slice(0, renderSize)\n  const isLoading = useRef(false)\n  const [fetchEnded, setFetchEnded] = useState(false)\n  const hasNotFetchedData = useMemo(() => {\n    if (typeof amountOfElements === 'number' && amountOfElements) {\n      return dataList.length < amountOfElements\n    }\n\n    if (typeof pageAmount === 'number' && pageAmount) {\n      return fetchedPage.current < pageAmount\n    }\n\n    return true\n  }, [amountOfElements, dataList.length, pageAmount])\n\n  const hasNotRenderedData =\n    (hasNotFetchedData || renderSize < dataList.length) && fetchEnded === false\n\n  const isNotEnoughToRender = pageAmount\n    ? fetchedPage.current < pageAmount &&\n      dataList.length - renderSize < pageSize\n    : dataList.length - renderSize < pageSize\n\n  const handleLoadMore = useCallback(() => {\n    if (isLoading.current) {\n      return\n    }\n\n    const oldRenderSize = renderSize\n\n    if (isNotEnoughToRender && hasNotFetchedData) {\n      const newPage = fetchedPage.current + 1\n      isLoading.current = true\n      fetchListInPage(newPage).then((newList) => {\n        if (newList.length === 0) {\n          setFetchEnded(true)\n        }\n\n        const list = [...dataList, ...newList]\n\n        if (amountOfElements) {\n          setDataList(list.slice(0, amountOfElements))\n          setRenderSize(Math.min(oldRenderSize + pageSize, amountOfElements))\n        } else {\n          setDataList(list)\n          setRenderSize(Math.min(oldRenderSize + pageSize, list.length))\n        }\n\n        fetchedPage.current = newPage\n        isLoading.current = false\n      })\n    } else {\n      if (amountOfElements) {\n        setRenderSize(Math.min(oldRenderSize + pageSize, amountOfElements))\n      } else {\n        setRenderSize(Math.min(oldRenderSize + pageSize, dataList.length))\n      }\n    }\n  }, [\n    fetchListInPage,\n    dataList,\n    amountOfElements,\n    pageSize,\n    renderSize,\n    isNotEnoughToRender,\n    hasNotFetchedData,\n  ])\n\n  const triggerRef = useRef<HTMLElement>(null)\n\n  useEffect(() => {\n    const callback: IntersectionObserverCallback = (entries, observer) => {\n      entries.forEach((entry) => {\n        if (entry.isIntersecting) {\n          if (hasNotRenderedData) {\n            handleLoadMore()\n          } else {\n            observer.unobserve(entry.target)\n          }\n        }\n      })\n    }\n\n    const clickHandler = function (this: HTMLDivElement) {\n      if (hasNotRenderedData) {\n        handleLoadMore()\n      } else {\n        this.removeEventListener('click', clickHandler)\n      }\n    }\n\n    const observer = new IntersectionObserver(callback, {\n      root: null,\n      rootMargin: '0px',\n      threshold: 0,\n    })\n\n    const triggerElement = triggerRef.current\n\n    if (triggerElement) {\n      if (isAutoFetch) {\n        observer.observe(triggerElement)\n      } else {\n        triggerElement.addEventListener('click', clickHandler)\n      }\n    }\n\n    return () => {\n      if (triggerElement) {\n        if (isAutoFetch) {\n          observer.disconnect()\n        } else {\n          triggerElement.removeEventListener('click', clickHandler)\n        }\n      }\n    }\n  }, [handleLoadMore, isAutoFetch, hasNotRenderedData, hasCustomTrigger])\n\n  return (\n    <>\n      {children(renderList, hasCustomTrigger ? triggerRef : undefined)}\n      <div\n        ref={\n          !hasCustomTrigger\n            ? (triggerRef as React.RefObject<HTMLDivElement>)\n            : undefined\n        }\n      >\n        {hasNotRenderedData && loader}\n      </div>\n    </>\n  )\n}\n"],"mappings":";;;;;;;AAAA;;;;;;;;;;;;;;;;;;;;;;;;AAiCA;AACA;AACA;AACe,SAASA,kBAAT,OAUF;EAAA,IATXC,WASW,QATXA,WASW;EAAA,IARXC,gBAQW,QARXA,gBAQW;EAAA,IAPXC,UAOW,QAPXA,UAOW;EAAA,IANXC,QAMW,QANXA,QAMW;EAAA,4BALXC,WAKW;EAAA,IALXA,WAKW,iCALG,IAKH;EAAA,IAJXC,eAIW,QAJXA,eAIW;EAAA,IAHXC,QAGW,QAHXA,QAGW;EAAA,IAFXC,MAEW,QAFXA,MAEW;EAAA,iCADXC,gBACW;EAAA,IADXA,gBACW,sCADQ,KACR;EACX,IAAMC,kBAAkB,GAAGC,KAAK,CAACC,OAAN,CAAcX,WAAd,CAA3B;;EACA,gBAAoC,IAAAY,eAAA,EAClC,CAACH,kBAAD,GAAsB,CAAtB,GAA0BN,QADQ,CAApC;EAAA;EAAA,IAAOU,UAAP;EAAA,IAAmBC,aAAnB;;EAGA,iBAAgC,IAAAF,eAAA,EAC9BH,kBAAkB,sBAAOT,WAAP,IAAsB,EADV,CAAhC;EAAA;EAAA,IAAOe,QAAP;EAAA,IAAiBC,WAAjB;EAIA;AACF;AACA;AACA;;;EACE,IAAMC,WAAW,GAAGR,kBAAkB,GAAG,CAAH,GAAO,CAA7C;EAEA;AACF;AACA;AACA;;EACE,IAAMS,WAAW,GAAG,IAAAC,aAAA,EAAOF,WAAP,CAApB;EACA,IAAMG,UAAU,GAAGL,QAAQ,CAACM,KAAT,CAAe,CAAf,EAAkBR,UAAlB,CAAnB;EACA,IAAMS,SAAS,GAAG,IAAAH,aAAA,EAAO,KAAP,CAAlB;;EACA,iBAAoC,IAAAP,eAAA,EAAS,KAAT,CAApC;EAAA;EAAA,IAAOW,UAAP;EAAA,IAAmBC,aAAnB;;EACA,IAAMC,iBAAiB,GAAG,IAAAC,cAAA,EAAQ,YAAM;IACtC,IAAI,OAAOzB,gBAAP,KAA4B,QAA5B,IAAwCA,gBAA5C,EAA8D;MAC5D,OAAOc,QAAQ,CAACY,MAAT,GAAkB1B,gBAAzB;IACD;;IAED,IAAI,OAAOC,UAAP,KAAsB,QAAtB,IAAkCA,UAAtC,EAAkD;MAChD,OAAOgB,WAAW,CAACU,OAAZ,GAAsB1B,UAA7B;IACD;;IAED,OAAO,IAAP;EACD,CAVyB,EAUvB,CAACD,gBAAD,EAAmBc,QAAQ,CAACY,MAA5B,EAAoCzB,UAApC,CAVuB,CAA1B;EAYA,IAAM2B,kBAAkB,GACtB,CAACJ,iBAAiB,IAAIZ,UAAU,GAAGE,QAAQ,CAACY,MAA5C,KAAuDJ,UAAU,KAAK,KADxE;EAGA,IAAMO,mBAAmB,GAAG5B,UAAU,GAClCgB,WAAW,CAACU,OAAZ,GAAsB1B,UAAtB,IACAa,QAAQ,CAACY,MAAT,GAAkBd,UAAlB,GAA+BV,QAFG,GAGlCY,QAAQ,CAACY,MAAT,GAAkBd,UAAlB,GAA+BV,QAHnC;EAKA,IAAM4B,cAAc,GAAG,IAAAC,kBAAA,EAAY,YAAM;IACvC,IAAIV,SAAS,CAACM,OAAd,EAAuB;MACrB;IACD;;IAED,IAAMK,aAAa,GAAGpB,UAAtB;;IAEA,IAAIiB,mBAAmB,IAAIL,iBAA3B,EAA8C;MAC5C,IAAMS,OAAO,GAAGhB,WAAW,CAACU,OAAZ,GAAsB,CAAtC;MACAN,SAAS,CAACM,OAAV,GAAoB,IAApB;MACAvB,eAAe,CAAC6B,OAAD,CAAf,CAAyBC,IAAzB,CAA8B,UAACC,OAAD,EAAa;QACzC,IAAIA,OAAO,CAACT,MAAR,KAAmB,CAAvB,EAA0B;UACxBH,aAAa,CAAC,IAAD,CAAb;QACD;;QAED,IAAMa,IAAI,gCAAOtB,QAAP,sBAAoBqB,OAApB,EAAV;;QAEA,IAAInC,gBAAJ,EAAsB;UACpBe,WAAW,CAACqB,IAAI,CAAChB,KAAL,CAAW,CAAX,EAAcpB,gBAAd,CAAD,CAAX;UACAa,aAAa,CAACwB,IAAI,CAACC,GAAL,CAASN,aAAa,GAAG9B,QAAzB,EAAmCF,gBAAnC,CAAD,CAAb;QACD,CAHD,MAGO;UACLe,WAAW,CAACqB,IAAD,CAAX;UACAvB,aAAa,CAACwB,IAAI,CAACC,GAAL,CAASN,aAAa,GAAG9B,QAAzB,EAAmCkC,IAAI,CAACV,MAAxC,CAAD,CAAb;QACD;;QAEDT,WAAW,CAACU,OAAZ,GAAsBM,OAAtB;QACAZ,SAAS,CAACM,OAAV,GAAoB,KAApB;MACD,CAjBD;IAkBD,CArBD,MAqBO;MACL,IAAI3B,gBAAJ,EAAsB;QACpBa,aAAa,CAACwB,IAAI,CAACC,GAAL,CAASN,aAAa,GAAG9B,QAAzB,EAAmCF,gBAAnC,CAAD,CAAb;MACD,CAFD,MAEO;QACLa,aAAa,CAACwB,IAAI,CAACC,GAAL,CAASN,aAAa,GAAG9B,QAAzB,EAAmCY,QAAQ,CAACY,MAA5C,CAAD,CAAb;MACD;IACF;EACF,CAnCsB,EAmCpB,CACDtB,eADC,EAEDU,QAFC,EAGDd,gBAHC,EAIDE,QAJC,EAKDU,UALC,EAMDiB,mBANC,EAODL,iBAPC,CAnCoB,CAAvB;EA6CA,IAAMe,UAAU,GAAG,IAAArB,aAAA,EAAoB,IAApB,CAAnB;EAEA,IAAAsB,gBAAA,EAAU,YAAM;IACd,IAAMC,QAAsC,GAAG,SAAzCA,QAAyC,CAACC,OAAD,EAAUC,QAAV,EAAuB;MACpED,OAAO,CAACE,OAAR,CAAgB,UAACC,KAAD,EAAW;QACzB,IAAIA,KAAK,CAACC,cAAV,EAA0B;UACxB,IAAIlB,kBAAJ,EAAwB;YACtBE,cAAc;UACf,CAFD,MAEO;YACLa,QAAQ,CAACI,SAAT,CAAmBF,KAAK,CAACG,MAAzB;UACD;QACF;MACF,CARD;IASD,CAVD;;IAYA,IAAMC,YAAY,GAAG,SAAfA,YAAe,GAAgC;MACnD,IAAIrB,kBAAJ,EAAwB;QACtBE,cAAc;MACf,CAFD,MAEO;QACL,KAAKoB,mBAAL,CAAyB,OAAzB,EAAkCD,YAAlC;MACD;IACF,CAND;;IAQA,IAAMN,QAAQ,GAAG,IAAIQ,oBAAJ,CAAyBV,QAAzB,EAAmC;MAClDW,IAAI,EAAE,IAD4C;MAElDC,UAAU,EAAE,KAFsC;MAGlDC,SAAS,EAAE;IAHuC,CAAnC,CAAjB;IAMA,IAAMC,cAAc,GAAGhB,UAAU,CAACZ,OAAlC;;IAEA,IAAI4B,cAAJ,EAAoB;MAClB,IAAIpD,WAAJ,EAAiB;QACfwC,QAAQ,CAACa,OAAT,CAAiBD,cAAjB;MACD,CAFD,MAEO;QACLA,cAAc,CAACE,gBAAf,CAAgC,OAAhC,EAAyCR,YAAzC;MACD;IACF;;IAED,OAAO,YAAM;MACX,IAAIM,cAAJ,EAAoB;QAClB,IAAIpD,WAAJ,EAAiB;UACfwC,QAAQ,CAACe,UAAT;QACD,CAFD,MAEO;UACLH,cAAc,CAACL,mBAAf,CAAmC,OAAnC,EAA4CD,YAA5C;QACD;MACF;IACF,CARD;EASD,CA9CD,EA8CG,CAACnB,cAAD,EAAiB3B,WAAjB,EAA8ByB,kBAA9B,EAAkDrB,gBAAlD,CA9CH;EAgDA,oBACE;IAAA,WACGF,QAAQ,CAACc,UAAD,EAAaZ,gBAAgB,GAAGgC,UAAH,GAAgBoB,SAA7C,CADX,eAEE;MACE,GAAG,EACD,CAACpD,gBAAD,GACKgC,UADL,GAEIoB,SAJR;MAAA,UAOG/B,kBAAkB,IAAItB;IAPzB,EAFF;EAAA,EADF;AAcD"}