1 | "use strict";
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2 |
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3 | var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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4 | Object.defineProperty(exports, "__esModule", {
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5 | value: true
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6 | });
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7 | exports["default"] = void 0;
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8 | var _tslib = require("tslib");
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9 | var _react = require("react");
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10 | var _useEventListener = _interopRequireDefault(require("../useEventListener"));
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11 | var _useMemoizedFn = _interopRequireDefault(require("../useMemoizedFn"));
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12 | var _useRequest = _interopRequireDefault(require("../useRequest"));
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13 | var _useUpdateEffect = _interopRequireDefault(require("../useUpdateEffect"));
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14 | var _domTarget = require("../utils/domTarget");
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15 | var _rect = require("../utils/rect");
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16 | var useInfiniteScroll = function useInfiniteScroll(service, options) {
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17 | if (options === void 0) {
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18 | options = {};
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19 | }
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20 | var target = options.target,
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21 | isNoMore = options.isNoMore,
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22 | _a = options.threshold,
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23 | threshold = _a === void 0 ? 100 : _a,
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24 | _b = options.reloadDeps,
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25 | reloadDeps = _b === void 0 ? [] : _b,
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26 | manual = options.manual,
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27 | _onBefore = options.onBefore,
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28 | _onSuccess = options.onSuccess,
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29 | _onError = options.onError,
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30 | _onFinally = options.onFinally;
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31 | var _c = (0, _tslib.__read)((0, _react.useState)(), 2),
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32 | finalData = _c[0],
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33 | setFinalData = _c[1];
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34 | var _d = (0, _tslib.__read)((0, _react.useState)(false), 2),
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35 | loadingMore = _d[0],
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36 | setLoadingMore = _d[1];
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37 | var noMore = (0, _react.useMemo)(function () {
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38 | if (!isNoMore) return false;
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39 | return isNoMore(finalData);
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40 | }, [finalData]);
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41 | var _e = (0, _useRequest["default"])(function (lastData) {
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42 | return (0, _tslib.__awaiter)(void 0, void 0, void 0, function () {
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43 | var currentData;
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44 | var _a, _b;
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45 | return (0, _tslib.__generator)(this, function (_c) {
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46 | switch (_c.label) {
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47 | case 0:
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48 | return [4 , service(lastData)];
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49 | case 1:
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50 | currentData = _c.sent();
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51 | if (!lastData) {
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52 | setFinalData((0, _tslib.__assign)((0, _tslib.__assign)({}, currentData), {
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53 | list: (0, _tslib.__spreadArray)([], (0, _tslib.__read)((_a = currentData.list) !== null && _a !== void 0 ? _a : []), false)
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54 | }));
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55 | } else {
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56 | setFinalData((0, _tslib.__assign)((0, _tslib.__assign)({}, currentData), {
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57 | list: (0, _tslib.__spreadArray)((0, _tslib.__spreadArray)([], (0, _tslib.__read)((_b = lastData.list) !== null && _b !== void 0 ? _b : []), false), (0, _tslib.__read)(currentData.list), false)
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58 | }));
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59 | }
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60 | return [2 , currentData];
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61 | }
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62 | });
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63 | });
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64 | }, {
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65 | manual: manual,
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66 | onFinally: function onFinally(_, d, e) {
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67 | setLoadingMore(false);
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68 | _onFinally === null || _onFinally === void 0 ? void 0 : _onFinally(d, e);
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69 | },
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70 | onBefore: function onBefore() {
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71 | return _onBefore === null || _onBefore === void 0 ? void 0 : _onBefore();
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72 | },
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73 | onSuccess: function onSuccess(d) {
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74 | setTimeout(function () {
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75 |
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76 | scrollMethod();
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77 | });
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78 | _onSuccess === null || _onSuccess === void 0 ? void 0 : _onSuccess(d);
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79 | },
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80 | onError: function onError(e) {
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81 | return _onError === null || _onError === void 0 ? void 0 : _onError(e);
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82 | }
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83 | }),
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84 | loading = _e.loading,
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85 | run = _e.run,
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86 | runAsync = _e.runAsync,
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87 | cancel = _e.cancel;
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88 | var loadMore = (0, _useMemoizedFn["default"])(function () {
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89 | if (noMore) return;
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90 | setLoadingMore(true);
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91 | run(finalData);
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92 | });
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93 | var loadMoreAsync = (0, _useMemoizedFn["default"])(function () {
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94 | if (noMore) return Promise.reject();
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95 | setLoadingMore(true);
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96 | return runAsync(finalData);
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97 | });
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98 | var reload = function reload() {
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99 | setLoadingMore(false);
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100 | return run();
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101 | };
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102 | var reloadAsync = function reloadAsync() {
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103 | setLoadingMore(false);
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104 | return runAsync();
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105 | };
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106 | var scrollMethod = function scrollMethod() {
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107 | var el = (0, _domTarget.getTargetElement)(target);
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108 | if (!el) {
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109 | return;
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110 | }
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111 | el = el === document ? document.documentElement : el;
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112 | var scrollTop = (0, _rect.getScrollTop)(el);
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113 | var scrollHeight = (0, _rect.getScrollHeight)(el);
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114 | var clientHeight = (0, _rect.getClientHeight)(el);
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115 | if (scrollHeight - scrollTop <= clientHeight + threshold) {
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116 | loadMore();
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117 | }
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118 | };
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119 | (0, _useEventListener["default"])('scroll', function () {
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120 | if (loading || loadingMore) {
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121 | return;
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122 | }
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123 | scrollMethod();
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124 | }, {
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125 | target: target
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126 | });
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127 | (0, _useUpdateEffect["default"])(function () {
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128 | run();
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129 | }, (0, _tslib.__spreadArray)([], (0, _tslib.__read)(reloadDeps), false));
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130 | return {
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131 | data: finalData,
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132 | loading: !loadingMore && loading,
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133 | loadingMore: loadingMore,
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134 | noMore: noMore,
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135 | loadMore: loadMore,
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136 | loadMoreAsync: loadMoreAsync,
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137 | reload: (0, _useMemoizedFn["default"])(reload),
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138 | reloadAsync: (0, _useMemoizedFn["default"])(reloadAsync),
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139 | mutate: setFinalData,
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140 | cancel: cancel
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141 | };
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142 | };
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143 | var _default = useInfiniteScroll;
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144 | exports["default"] = _default; |
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