es-grid-template/lib/ali-table/pipeline/features/pagination.js

es-grid-template

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.paginationFeature = paginationFeature;
var _hooks = require("../../../grid-component/hooks");
const stateKey = 'pagination';
function paginationFeature(opts = {}) {
  return function paginationData(pipeline) {
    const {
      pagination
    } = opts;
    const dataSource = pipeline.getDataSource();
    if (process.env.NODE_ENV !== 'production') {

      // if (!hasAnySortableColumns(columns)) {
      //   console.warn(
      //     '[ali-react-table] commonTransform.sort 缺少可排序的列，请通过 column.features.sortable 来指定哪些列可排序',
      //     columns,
      //   )
      // }
    }
    pipeline.dataSource(processDataSource(dataSource));
    return pipeline;
    function processDataSource(data) {
      if (pagination === false || pagination && pagination.onChange) {
        return data;
      }
      const currentPage = pagination?.currentPage ?? pipeline.getStateAtKey(stateKey)?.currentPage ?? 1;
      const pageSize = pagination?.pageSize ?? pipeline.getStateAtKey(stateKey)?.pageSize ?? _hooks.pageSizeOptions[0];
      const safePage = Math.max(1, Math.min(currentPage, pagination?.total || 1));
      const start = (safePage - 1) * pageSize;
      const end = start + pageSize;
      const pageData = data.slice(start, end);
      return pageData;
    }
  };
}