@antmjs/vantui/lib/waterfall-flow/index.js

一套适用于Taro3及React的vantui组件库

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.WaterfallFlow = WaterfallFlow;
exports.default = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _react = require("react");
var _components = require("@tarojs/components");
var _defaultProps = require("../default-props");
var _useWaterfallAttributes = require("./useWaterfallAttributes");
var _WaterfallFlowItem = require("./WaterfallFlowItem");
var _jsxRuntime = require("react/jsx-runtime");
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { (0, _defineProperty2.default)(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function WaterfallFlow(props) {
  var _dataSource$filter, _dataSource$map;
  var _useState = (0, _react.useState)((0, _defaultProps.get)().WaterfallFlow),
    _useState2 = (0, _slicedToArray2.default)(_useState, 1),
    d = _useState2[0];
  var _d$props = _objectSpread(_objectSpread({}, d), props),
    _d$props$columnNum = _d$props.columnNum,
    columnNum = _d$props$columnNum === void 0 ? 2 : _d$props$columnNum,
    dataSource = _d$props.dataSource,
    renderItem = _d$props.renderItem,
    _d$props$gutter = _d$props.gutter,
    gutter = _d$props$gutter === void 0 ? 0 : _d$props$gutter,
    _d$props$calculationD = _d$props.calculationDelay,
    calculationDelay = _d$props$calculationD === void 0 ? 0 : _d$props$calculationD;
  var widthGutter = (0, _react.useMemo)(function () {
    if (Array.isArray(gutter)) {
      var _gutter$;
      return (_gutter$ = gutter[0]) !== null && _gutter$ !== void 0 ? _gutter$ : 0;
    }
    if (typeof gutter === 'number') {
      return gutter;
    }
    return 0;
  }, [gutter]);
  var _useWaterfallAttribut = (0, _useWaterfallAttributes.useWaterfallAttributes)(columnNum, gutter),
    _useWaterfallAttribut2 = (0, _slicedToArray2.default)(_useWaterfallAttribut, 3),
    containerHeight = _useWaterfallAttribut2[0],
    attributes = _useWaterfallAttribut2[1],
    _useWaterfallAttribut3 = _useWaterfallAttribut2[2],
    onResize = _useWaterfallAttribut3.onResize,
    onRemove = _useWaterfallAttribut3.onRemove;
  var itemWidth = (0, _react.useMemo)(function () {
    return "calc((100% - ".concat(widthGutter * (columnNum - 1), "px) / ").concat(columnNum, ")");
  }, [columnNum, widthGutter]);
  var style = (0, _react.useMemo)(function () {
    return {
      width: '100%',
      height: "".concat(containerHeight, "px")
    };
  }, [containerHeight]);
  if (!Array.isArray(dataSource) || (dataSource === null || dataSource === void 0 ? void 0 : (_dataSource$filter = dataSource.filter(Boolean)) === null || _dataSource$filter === void 0 ? void 0 : _dataSource$filter.length) === 0) {
    return null;
  }
  return /*#__PURE__*/(0, _jsxRuntime.jsx)(_components.View, {
    className: "van-waterfall-flow",
    style: style,
    children: dataSource === null || dataSource === void 0 ? void 0 : (_dataSource$map = dataSource.map) === null || _dataSource$map === void 0 ? void 0 : _dataSource$map.call(dataSource, function (item) {
      return /*#__PURE__*/(0, _jsxRuntime.jsx)(_WaterfallFlowItem.WaterfallFlowItem, {
        item: item,
        renderItem: renderItem,
        attributes: attributes[item.key],
        width: itemWidth,
        onResize: onResize,
        onRemove: onRemove,
        calculationDelay: calculationDelay
      }, item.key);
    })
  });
}
var _default = WaterfallFlow;
exports.default = _default;