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12 | 'use strict';
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13 |
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14 | var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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15 |
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16 | var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
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17 |
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18 | function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
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19 |
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20 | function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2["default"])(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
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21 |
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22 | var getPaginationMetadata = require('./getPaginationMetadata');
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23 |
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24 | var useLoadMoreFunction = require('./useLoadMoreFunction');
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25 |
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26 | var useRefetchableFragmentNode = require('./useRefetchableFragmentNode');
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27 |
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28 | var useStaticFragmentNodeWarning = require('./useStaticFragmentNodeWarning');
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29 |
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30 | var _require = require('react'),
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31 | useCallback = _require.useCallback,
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32 | useDebugValue = _require.useDebugValue,
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33 | useState = _require.useState;
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34 |
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35 | var _require2 = require('relay-runtime'),
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36 | getFragment = _require2.getFragment,
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37 | getFragmentIdentifier = _require2.getFragmentIdentifier;
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38 |
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39 | function usePaginationFragment(fragmentInput, parentFragmentRef) {
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40 | var fragmentNode = getFragment(fragmentInput);
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41 | useStaticFragmentNodeWarning(fragmentNode, 'first argument of usePaginationFragment()');
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42 | var componentDisplayName = 'usePaginationFragment()';
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43 |
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44 | var _getPaginationMetadat = getPaginationMetadata(fragmentNode, componentDisplayName),
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45 | connectionPathInFragmentData = _getPaginationMetadat.connectionPathInFragmentData,
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46 | paginationRequest = _getPaginationMetadat.paginationRequest,
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47 | paginationMetadata = _getPaginationMetadat.paginationMetadata,
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48 | identifierField = _getPaginationMetadat.identifierField;
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49 |
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50 | var _useRefetchableFragme = useRefetchableFragmentNode(fragmentNode, parentFragmentRef, componentDisplayName),
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51 | fragmentData = _useRefetchableFragme.fragmentData,
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52 | fragmentRef = _useRefetchableFragme.fragmentRef,
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53 | refetch = _useRefetchableFragme.refetch;
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54 |
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55 | var fragmentIdentifier = getFragmentIdentifier(fragmentNode, fragmentRef);
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56 |
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57 | var _useLoadMore = useLoadMore({
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58 | componentDisplayName: componentDisplayName,
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59 | connectionPathInFragmentData: connectionPathInFragmentData,
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60 | direction: 'backward',
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61 | fragmentData: fragmentData,
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62 | fragmentIdentifier: fragmentIdentifier,
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63 | fragmentNode: fragmentNode,
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64 | fragmentRef: fragmentRef,
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65 | identifierField: identifierField,
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66 | paginationMetadata: paginationMetadata,
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67 | paginationRequest: paginationRequest
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68 | }),
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69 | loadPrevious = _useLoadMore[0],
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70 | hasPrevious = _useLoadMore[1],
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71 | isLoadingPrevious = _useLoadMore[2],
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72 | disposeFetchPrevious = _useLoadMore[3];
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73 |
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74 |
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75 | var _useLoadMore2 = useLoadMore({
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76 | componentDisplayName: componentDisplayName,
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77 | connectionPathInFragmentData: connectionPathInFragmentData,
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78 | direction: 'forward',
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79 | fragmentData: fragmentData,
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80 | fragmentIdentifier: fragmentIdentifier,
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81 | fragmentNode: fragmentNode,
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82 | fragmentRef: fragmentRef,
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83 | identifierField: identifierField,
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84 | paginationMetadata: paginationMetadata,
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85 | paginationRequest: paginationRequest
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86 | }),
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87 | loadNext = _useLoadMore2[0],
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88 | hasNext = _useLoadMore2[1],
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89 | isLoadingNext = _useLoadMore2[2],
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90 | disposeFetchNext = _useLoadMore2[3];
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91 |
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92 | var refetchPagination = useCallback(function (variables, options) {
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93 | disposeFetchNext();
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94 | disposeFetchPrevious();
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95 | return refetch(variables, _objectSpread({}, options, {
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96 | __environment: undefined
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97 | }));
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98 | }, [disposeFetchNext, disposeFetchPrevious, refetch]);
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99 |
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100 | if (process.env.NODE_ENV !== "production") {
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101 |
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102 | useDebugValue({
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103 | fragment: fragmentNode.name,
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104 | data: fragmentData,
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105 | hasNext: hasNext,
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106 | isLoadingNext: isLoadingNext,
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107 | hasPrevious: hasPrevious,
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108 | isLoadingPrevious: isLoadingPrevious
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109 | });
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110 | }
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111 |
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112 | return {
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113 | data: fragmentData,
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114 | loadNext: loadNext,
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115 | loadPrevious: loadPrevious,
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116 | hasNext: hasNext,
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117 | hasPrevious: hasPrevious,
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118 | isLoadingNext: isLoadingNext,
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119 | isLoadingPrevious: isLoadingPrevious,
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120 | refetch: refetchPagination
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121 | };
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122 | }
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123 |
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124 | function useLoadMore(args) {
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125 | var _useState = useState(false),
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126 | isLoadingMore = _useState[0],
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127 | setIsLoadingMore = _useState[1];
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128 |
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129 | var observer = {
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130 | start: function start() {
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131 | return setIsLoadingMore(true);
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132 | },
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133 | complete: function complete() {
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134 | return setIsLoadingMore(false);
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135 | },
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136 | error: function error() {
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137 | return setIsLoadingMore(false);
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138 | }
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139 | };
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140 |
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141 | var handleReset = function handleReset() {
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142 | return setIsLoadingMore(false);
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143 | };
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144 |
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145 | var _useLoadMoreFunction = useLoadMoreFunction(_objectSpread({}, args, {
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146 | observer: observer,
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147 | onReset: handleReset
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148 | })),
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149 | loadMore = _useLoadMoreFunction[0],
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150 | hasMore = _useLoadMoreFunction[1],
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151 | disposeFetch = _useLoadMoreFunction[2];
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152 |
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153 | return [loadMore, hasMore, isLoadingMore, disposeFetch];
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154 | }
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155 |
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156 | module.exports = usePaginationFragment; |
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