preact-arco-design/es/Table/hooks/useStickyOffsets.js

Arco Design React UI Library.

var __read = this && this.__read || function (o, n) {
  var m = typeof Symbol === "function" && o[Symbol.iterator];
  if (!m) return o;
  var i = m.call(o),
      r,
      ar = [],
      e;

  try {
    while ((n === void 0 || n-- > 0) && !(r = i.next()).done) {
      ar.push(r.value);
    }
  } catch (error) {
    e = {
      error: error
    };
  } finally {
    try {
      if (r && !r.done && (m = i["return"])) m.call(i);
    } finally {
      if (e) throw e.error;
    }
  }

  return ar;
};

var __spreadArray = this && this.__spreadArray || function (to, from, pack) {
  if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
    if (ar || !(i in from)) {
      if (!ar) ar = Array.prototype.slice.call(from, 0, i);
      ar[i] = from[i];
    }
  }
  return to.concat(ar || Array.prototype.slice.call(from));
};

import { useMemo } from "preact/compat"; // get sticky cell's left and right

function useStickyOffsets(columns) {
  var colWidths = columns.map(function (c) {
    return c.width;
  });
  var colFixed = columns.map(function (c) {
    return c.fixed;
  });
  var stickyOffsets = useMemo(function () {
    return columns.map(function (column) {
      var offset = 0;

      if (column.fixed === 'left') {
        columns.some(function (col) {
          if (col.fixed === 'left') {
            if (col.key === column.key) {
              return true;
            }

            var colWidth = col.$$isOperation ? col.width || 40 : col.width;
            offset += colWidth;
            return false;
          }

          return false;
        });
      }

      if (column.fixed === 'right') {
        __spreadArray([], __read(columns), false).reverse().some(function (col) {
          if (col.fixed === 'right') {
            if (col.key === column.key) {
              return true;
            }

            var colWidth = col.$$isOperation ? col.width || 40 : col.width;
            offset += colWidth;
            return false;
          }

          return false;
        });
      }

      return offset;
    });
  }, [colWidths.join('-'), colFixed.join('-')]);
  return stickyOffsets;
}

export default useStickyOffsets;