Added Statistics calculation

Statistics now show calculated values

node_modules/@mui/x-date-pickers/esm/internals/hooks/useControlledValue.js

@@ -0,0 +1,57 @@
+import * as React from 'react';
+import useEventCallback from '@mui/utils/useEventCallback';
+import useControlled from '@mui/utils/useControlled';
+import { usePickerAdapter } from "../../hooks/usePickerAdapter.js";
+
+/**
+ * Hooks controlling the value while making sure that:
+ * - The value returned by `onChange` always have the timezone of `props.value` or `props.defaultValue` if defined
+ * - The value rendered is always the one from `props.timezone` if defined
+ */
+export const useControlledValue = ({
+  name,
+  timezone: timezoneProp,
+  value: valueProp,
+  defaultValue,
+  referenceDate,
+  onChange: onChangeProp,
+  valueManager
+}) => {
+  const adapter = usePickerAdapter();
+  const [valueWithInputTimezone, setValue] = useControlled({
+    name,
+    state: 'value',
+    controlled: valueProp,
+    default: defaultValue ?? valueManager.emptyValue
+  });
+  const inputTimezone = React.useMemo(() => valueManager.getTimezone(adapter, valueWithInputTimezone), [adapter, valueManager, valueWithInputTimezone]);
+  const setInputTimezone = useEventCallback(newValue => {
+    if (inputTimezone == null) {
+      return newValue;
+    }
+    return valueManager.setTimezone(adapter, inputTimezone, newValue);
+  });
+  const timezoneToRender = React.useMemo(() => {
+    if (timezoneProp) {
+      return timezoneProp;
+    }
+    if (inputTimezone) {
+      return inputTimezone;
+    }
+    if (referenceDate) {
+      return adapter.getTimezone(Array.isArray(referenceDate) ? referenceDate[0] : referenceDate);
+    }
+    return 'default';
+  }, [timezoneProp, inputTimezone, referenceDate, adapter]);
+  const valueWithTimezoneToRender = React.useMemo(() => valueManager.setTimezone(adapter, timezoneToRender, valueWithInputTimezone), [valueManager, adapter, timezoneToRender, valueWithInputTimezone]);
+  const handleValueChange = useEventCallback((newValue, ...otherParams) => {
+    const newValueWithInputTimezone = setInputTimezone(newValue);
+    setValue(newValueWithInputTimezone);
+    onChangeProp?.(newValueWithInputTimezone, ...otherParams);
+  });
+  return {
+    value: valueWithTimezoneToRender,
+    handleValueChange,
+    timezone: timezoneToRender
+  };
+};