el-table-infinite-scroll/lib/cjs/el-table-infinite-scroll.js

Infinite scroll for el-table.

/*!
 * el-table-infinite-scroll v3.0.8
 * (c) 2019-2025 yujinpan
 */

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var elementPlus = require('element-plus');
var utils_js = require('./utils.js');

var msgTitle = '[el-table-infinite-scroll]: ';
var ElTableInfiniteScroll = {
  mounted: function mounted(el, binding, VNode, oldVNode) {
    var _useScrollElem = useScrollElem(el),
      scrollElem = _useScrollElem.scrollElem;
    scrollElem.style.overflowY = 'auto';

    // after render
    setTimeout(function () {
      if (!el.style.height) {
        scrollElem.style.height = '400px';
        // eslint-disable-next-line
        console.warn("".concat(msgTitle, "el-table height required, otherwise will set scrollbar default height: 400px"));
      }
      syncOptions(el, scrollElem);

      // use `ElInfiniteScroll`
      elementPlus.ElInfiniteScroll.mounted(scrollElem, binding, VNode, oldVNode);
    }, 0);
  },
  updated: function updated(el) {
    var _useScrollElem2 = useScrollElem(el),
      scrollElem = _useScrollElem2.scrollElem;
    syncOptions(el, scrollElem);
  },
  unmounted: function unmounted(el) {
    var _useScrollElem3 = useScrollElem(el),
      scrollElem = _useScrollElem3.scrollElem;
    for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
      args[_key - 1] = arguments[_key];
    }
    elementPlus.ElInfiniteScroll.unmounted.apply(elementPlus.ElInfiniteScroll, [scrollElem].concat(args));
  }
};
function useScrollElem(el) {
  var _config$value;
  var config = elementPlus.useGlobalConfig();
  var elTableScrollWrapperClass = ".".concat(((_config$value = config.value) === null || _config$value === void 0 ? void 0 : _config$value.namespace) || 'el', "-scrollbar__wrap");
  var scrollElem = el.querySelector(elTableScrollWrapperClass);
  if (!scrollElem) {
    throw new Error("".concat(msgTitle).concat(elTableScrollWrapperClass, " element not found."));
  }
  return {
    scrollElem: scrollElem
  };
}
function syncOptions(sourceElem, targetElem) {
  utils_js.syncAttrs(sourceElem, targetElem, ['infinite-scroll-disabled', 'infinite-scroll-delay', 'infinite-scroll-immediate', 'infinite-scroll-distance']);

  // fix: windows/chrome `scrollTop + clientHeight` is difference with `scrollHeight`
  var name = 'infinite-scroll-distance';
  var value = +(sourceElem.getAttribute(name) || 0);
  targetElem.setAttribute(name, (value < 1 ? 1 : value) + '');
}

exports.default = ElTableInfiniteScroll;
exports.useScrollElem = useScrollElem;