add all frontend files

node_modules/rc-table/lib/Cell/useHoverState.js

@@ -0,0 +1,20 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useHoverState;
+var _context = require("@rc-component/context");
+var _TableContext = _interopRequireDefault(require("../context/TableContext"));
+/** Check if cell is in hover range */
+function inHoverRange(cellStartRow, cellRowSpan, startRow, endRow) {
+  var cellEndRow = cellStartRow + cellRowSpan - 1;
+  return cellStartRow <= endRow && cellEndRow >= startRow;
+}
+function useHoverState(rowIndex, rowSpan) {
+  return (0, _context.useContext)(_TableContext.default, function (ctx) {
+    var hovering = inHoverRange(rowIndex, rowSpan || 1, ctx.hoverStartRow, ctx.hoverEndRow);
+    return [hovering, ctx.onHover];
+  });
+}