linkmore-design/lib/lm-edit-table/virtual/context.js

🌈 🚀lm组件库。🚀

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useStore = exports.useRealive = exports.TableContext = void 0;
var _react = require("react");
// =============== context ============== //
const TableContext = /*#__PURE__*/(0, _react.createContext)({
  state: null,
  dispatch: null,
  instance: {}
});
exports.TableContext = TableContext;
const useStore = () => (0, _react.useContext)(TableContext);
exports.useStore = useStore;
const initialState = {
  // 行高度
  rowHeight: 0,
  columnsLen: 0,
  // 总行数
  totalLen: 0,
  // 分割后的列数组
  sliceColumns: {
    leftColumns: [],
    centerColumns: [],
    rightColumns: []
  }
};
const reducer = (state, action) => {
  const {
    totalLen,
    columnsLen,
    rowHeight,
    sliceColumns
  } = action;
  switch (action.type) {
    // 数据数量
    case 'changeTotalLen':
      return {
        ...state,
        totalLen
      };
    // 列数量
    case 'changeColumnsLen':
      return {
        ...state,
        columnsLen
      };
    // 初始化行高度
    case 'initHeight':
      return {
        ...state,
        rowHeight
      };
    case 'changeSliceColumns':
      return {
        ...state,
        sliceColumns
      };
    default:
      throw new Error();
  }
};
const useRealive = () => (0, _react.useReducer)(reducer, initialState);
exports.useRealive = useRealive;