@gzued/antd-compiled
Version:
Pre-bundled Ant Design 4.x and related dependencies for @gzued packages
76 lines (61 loc) • 3.46 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = useFlattenRecords;
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
// recursion (flat tree structure)
function flatRecord(record, indent, childrenColumnName, expandedKeys, getRowKey, index) {
var arr = [];
arr.push({
record: record,
indent: indent,
index: index
});
var key = getRowKey(record);
var expanded = expandedKeys === null || expandedKeys === void 0 ? void 0 : expandedKeys.has(key);
if (record && Array.isArray(record[childrenColumnName]) && expanded) {
// expanded state, flat record
for (var i = 0; i < record[childrenColumnName].length; i += 1) {
var tempArr = flatRecord(record[childrenColumnName][i], indent + 1, childrenColumnName, expandedKeys, getRowKey, i);
arr.push.apply(arr, (0, _toConsumableArray2.default)(tempArr));
}
}
return arr;
}
/**
* flat tree data on expanded state
*
* @export
* @template T
* @param {*} data : table data
* @param {string} childrenColumnName : 指定树形结构的列名
* @param {Set<Key>} expandedKeys : 展开的行对应的keys
* @param {GetRowKey<T>} getRowKey : 获取当前rowKey的方法
* @returns flattened data
*/
function useFlattenRecords(data, childrenColumnName, expandedKeys, getRowKey) {
var arr = React.useMemo(function () {
if (expandedKeys === null || expandedKeys === void 0 ? void 0 : expandedKeys.size) {
var temp = []; // collect flattened record
for (var i = 0; i < (data === null || data === void 0 ? void 0 : data.length); i += 1) {
var record = data[i];
temp.push.apply(temp, (0, _toConsumableArray2.default)(flatRecord(record, 0, childrenColumnName, expandedKeys, getRowKey, i)));
}
return temp;
}
return data === null || data === void 0 ? void 0 : data.map(function (item, index) {
return {
record: item,
indent: 0,
index: index
};
});
}, [data, childrenColumnName, expandedKeys, getRowKey]);
return arr;
}