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frontend/node_modules/rc-tabs/lib/hooks/useOffsets.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useOffsets;
+var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
+var _react = require("react");
+var DEFAULT_SIZE = {
+  width: 0,
+  height: 0,
+  left: 0,
+  top: 0
+};
+function useOffsets(tabs, tabSizes, holderScrollWidth) {
+  return (0, _react.useMemo)(function () {
+    var _tabs$;
+    var map = new Map();
+    var lastOffset = tabSizes.get((_tabs$ = tabs[0]) === null || _tabs$ === void 0 ? void 0 : _tabs$.key) || DEFAULT_SIZE;
+    var rightOffset = lastOffset.left + lastOffset.width;
+    for (var i = 0; i < tabs.length; i += 1) {
+      var key = tabs[i].key;
+      var data = tabSizes.get(key);
+
+      // Reuse last one when not exist yet
+      if (!data) {
+        var _tabs;
+        data = tabSizes.get((_tabs = tabs[i - 1]) === null || _tabs === void 0 ? void 0 : _tabs.key) || DEFAULT_SIZE;
+      }
+      var entity = map.get(key) || (0, _objectSpread2.default)({}, data);
+
+      // Right
+      entity.right = rightOffset - entity.left - entity.width;
+
+      // Update entity
+      map.set(key, entity);
+    }
+    return map;
+  }, [tabs.map(function (tab) {
+    return tab.key;
+  }).join('_'), tabSizes, holderScrollWidth]);
+}