first commit

frontend/node_modules/@rc-component/portal/lib/useScrollLocker.js

@@ -0,0 +1,37 @@
+"use strict";
+
+var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useScrollLocker;
+var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
+var React = _interopRequireWildcard(require("react"));
+var _dynamicCSS = require("rc-util/lib/Dom/dynamicCSS");
+var _useLayoutEffect = _interopRequireDefault(require("rc-util/lib/hooks/useLayoutEffect"));
+var _getScrollBarSize = require("rc-util/lib/getScrollBarSize");
+var _util = require("./util");
+var UNIQUE_ID = "rc-util-locker-".concat(Date.now());
+var uuid = 0;
+function useScrollLocker(lock) {
+  var mergedLock = !!lock;
+  var _React$useState = React.useState(function () {
+      uuid += 1;
+      return "".concat(UNIQUE_ID, "_").concat(uuid);
+    }),
+    _React$useState2 = (0, _slicedToArray2.default)(_React$useState, 1),
+    id = _React$useState2[0];
+  (0, _useLayoutEffect.default)(function () {
+    if (mergedLock) {
+      var scrollbarSize = (0, _getScrollBarSize.getTargetScrollBarSize)(document.body).width;
+      var isOverflow = (0, _util.isBodyOverflowing)();
+      (0, _dynamicCSS.updateCSS)("\nhtml body {\n  overflow-y: hidden;\n  ".concat(isOverflow ? "width: calc(100% - ".concat(scrollbarSize, "px);") : '', "\n}"), id);
+    } else {
+      (0, _dynamicCSS.removeCSS)(id);
+    }
+    return function () {
+      (0, _dynamicCSS.removeCSS)(id);
+    };
+  }, [mergedLock, id]);
+}