useTimeFieldState

Provides state management for a time field component. A time field allows users to enter and edit time values using a keyboard. Each part of a time value is displayed in an individually editable segment.

install	`yarn add react-stately`
version	3.42.0
usage	`import {useTimeFieldState} from 'react-stately'`

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NPM

API#

useTimeFieldState<T extends TimeValue = TimeValue>( (props: TimeFieldStateOptions<T> )): TimeFieldState

Interface#

Properties

Name	Type	Description
`timeValue`	`Time`	The current time value.
`value`	`DateValue \| null`	The current field value.
`defaultValue`	`DateValue \| null`	The default field value.
`dateValue`	`Date`	The current value, converted to a native JavaScript `Date` object.
`calendar`	`Calendar`	The calendar system currently in use.
`segments`	`DateSegment[]`	A list of segments for the current value.
`dateFormatter`	`DateFormatter`	A date formatter configured for the current locale and format.
`isInvalid`	`boolean`	Whether the date field is invalid, based on the `isInvalid`, `minValue`, and `maxValue` props.
`granularity`	`Granularity`	The granularity for the field, based on the `granularity` prop and current value.
`maxGranularity`	`'year' \| 'month' \| Granularity`	The maximum date or time unit that is displayed in the field.
`isDisabled`	`boolean`	Whether the field is disabled.
`isReadOnly`	`boolean`	Whether the field is read only.
`isRequired`	`boolean`	Whether the field is required.
`realtimeValidation`	`ValidationResult`	Realtime validation results, updated as the user edits the value.
`displayValidation`	`ValidationResult`	Currently displayed validation results, updated when the user commits their changes.

Methods

Method	Description
`setValue( (value: DateValue \| \| null )): void`	Sets the field's value.
`increment( (type: SegmentType )): void`	Increments the given segment. Upon reaching the minimum or maximum value, the value wraps around to the opposite limit.
`decrement( (type: SegmentType )): void`	Decrements the given segment. Upon reaching the minimum or maximum value, the value wraps around to the opposite limit.
`incrementPage( (type: SegmentType )): void`	Increments the given segment by a larger amount, rounding it to the nearest increment. The amount to increment by depends on the field, for example 15 minutes, 7 days, and 5 years. Upon reaching the minimum or maximum value, the value wraps around to the opposite limit.
`decrementPage( (type: SegmentType )): void`	Decrements the given segment by a larger amount, rounding it to the nearest increment. The amount to decrement by depends on the field, for example 15 minutes, 7 days, and 5 years. Upon reaching the minimum or maximum value, the value wraps around to the opposite limit.
`setSegment( (type: SegmentType, , value: number )): void`	Sets the value of the given segment.
`confirmPlaceholder(): void`	Updates the remaining unfilled segments with the placeholder value.
`clearSegment( (type: SegmentType )): void`	Clears the value of the given segment, reverting it to the placeholder.
`formatValue( (fieldOptions: FieldOptions )): string`	Formats the current date value using the given options.
`getDateFormatter( (locale: string, , formatOptions: FormatterOptions )): DateFormatter`	Gets a formatter based on state's props.
`updateValidation( (result: ValidationResult )): void`	Updates the current validation result. Not displayed to the user until `commitValidation` is called.
`resetValidation(): void`	Resets the displayed validation state to valid when the user resets the form.
`commitValidation(): void`	Commits the realtime validation so it is displayed to the user.

Example#

See the docs for useTimeField in react-aria for an example of useTimeFieldState.

Time | CalendarDateTime | ZonedDateTime

A Time represents a clock time without any date components.

Properties

Name	Type	Description
`hour`	`number`	The hour, numbered from 0 to 23.
`minute`	`number`	The minute in the hour.
`second`	`number`	The second in the minute.
`millisecond`	`number`	The millisecond in the second.

Methods

Method	Description
`constructor( hour: number, minute: number, second: number, millisecond: number ): void`
`copy(): Time`	Returns a copy of this time.
`add( (duration: TimeDuration )): Time`	Returns a new `Time` with the given duration added to it.
`subtract( (duration: TimeDuration )): Time`	Returns a new `Time` with the given duration subtracted from it.
`set( (fields: TimeFields )): Time`	Returns a new `Time` with the given fields set to the provided values. Other fields will be constrained accordingly.
`cycle( field: TimeField, amount: number, options?: CycleTimeOptions ): Time`	Returns a new `Time` with the given field adjusted by a specified amount. When the resulting value reaches the limits of the field, it wraps around.
`toString(): string`	Converts the time to an ISO 8601 formatted string.
`compare( (b: AnyTime )): number`	Compares this time with another. A negative result indicates that this time is before the given one, and a positive time indicates that it is after.

A CalendarDateTime represents a date and time without a time zone, in a specific calendar system.

Properties

Name	Type	Description
`calendar`	`Calendar`	The calendar system associated with this date, e.g. Gregorian.
`era`	`string`	The calendar era for this date, e.g. "BC" or "AD".
`year`	`number`	The year of this date within the era.
`month`	`number`	The month number within the year. Note that some calendar systems such as Hebrew may have a variable number of months per year. Therefore, month numbers may not always correspond to the same month names in different years.
`day`	`number`	The day number within the month.
`hour`	`number`	The hour in the day, numbered from 0 to 23.
`minute`	`number`	The minute in the hour.
`second`	`number`	The second in the minute.
`millisecond`	`number`	The millisecond in the second.

Methods

Method	Description
`constructor( (...args: any[] )): void`
`copy(): CalendarDateTime`	Returns a copy of this date.
`add( (duration: DateTimeDuration )): CalendarDateTime`	Returns a new `CalendarDateTime` with the given duration added to it.
`subtract( (duration: DateTimeDuration )): CalendarDateTime`	Returns a new `CalendarDateTime` with the given duration subtracted from it.
`set( (fields: DateFields & & TimeFields )): CalendarDateTime`	Returns a new `CalendarDateTime` with the given fields set to the provided values. Other fields will be constrained accordingly.
`cycle( field: DateField \| \| TimeField, amount: number, options?: CycleTimeOptions ): CalendarDateTime`	Returns a new `CalendarDateTime` with the given field adjusted by a specified amount. When the resulting value reaches the limits of the field, it wraps around.
`toDate( (timeZone: string, , disambiguation?: Disambiguation )): Date`	Converts the date to a native JavaScript Date object in the given time zone.
`toString(): string`	Converts the date to an ISO 8601 formatted string.
`compare( (b: CalendarDate \| CalendarDateTime \| ZonedDateTime )): number`	Compares this date with another. A negative result indicates that this date is before the given one, and a positive date indicates that it is after.

A CalendarDate represents a date without any time components in a specific calendar system.

Properties

Name	Type	Description
`calendar`	`Calendar`	The calendar system associated with this date, e.g. Gregorian.
`era`	`string`	The calendar era for this date, e.g. "BC" or "AD".
`year`	`number`	The year of this date within the era.
`month`	`number`	The month number within the year. Note that some calendar systems such as Hebrew may have a variable number of months per year. Therefore, month numbers may not always correspond to the same month names in different years.
`day`	`number`	The day number within the month.

Methods

Method	Description
`constructor( (...args: any[] )): void`
`copy(): CalendarDate`	Returns a copy of this date.
`add( (duration: DateDuration )): CalendarDate`	Returns a new `CalendarDate` with the given duration added to it.
`subtract( (duration: DateDuration )): CalendarDate`	Returns a new `CalendarDate` with the given duration subtracted from it.
`set( (fields: DateFields )): CalendarDate`	Returns a new `CalendarDate` with the given fields set to the provided values. Other fields will be constrained accordingly.
`cycle( field: DateField, amount: number, options?: CycleOptions ): CalendarDate`	Returns a new `CalendarDate` with the given field adjusted by a specified amount. When the resulting value reaches the limits of the field, it wraps around.
`toDate( (timeZone: string )): Date`	Converts the date to a native JavaScript Date object, with the time set to midnight in the given time zone.
`toString(): string`	Converts the date to an ISO 8601 formatted string.
`compare( (b: AnyCalendarDate )): number`	Compares this date with another. A negative result indicates that this date is before the given one, and a positive date indicates that it is after.

A ZonedDateTime represents a date and time in a specific time zone and calendar system.

Properties

Name	Type	Description
`calendar`	`Calendar`	The calendar system associated with this date, e.g. Gregorian.
`era`	`string`	The calendar era for this date, e.g. "BC" or "AD".
`year`	`number`	The year of this date within the era.
`month`	`number`	The month number within the year. Note that some calendar systems such as Hebrew may have a variable number of months per year. Therefore, month numbers may not always correspond to the same month names in different years.
`day`	`number`	The day number within the month.
`hour`	`number`	The hour in the day, numbered from 0 to 23.
`minute`	`number`	The minute in the hour.
`second`	`number`	The second in the minute.
`millisecond`	`number`	The millisecond in the second.
`timeZone`	`string`	The IANA time zone identifier that this date and time is represented in.
`offset`	`number`	The UTC offset for this time, in milliseconds.

Methods

Method	Description
`constructor( (...args: any[] )): void`
`copy(): ZonedDateTime`	Returns a copy of this date.
`add( (duration: DateTimeDuration )): ZonedDateTime`	Returns a new `ZonedDateTime` with the given duration added to it.
`subtract( (duration: DateTimeDuration )): ZonedDateTime`	Returns a new `ZonedDateTime` with the given duration subtracted from it.
`set( (fields: DateFields & & TimeFields, , disambiguation?: Disambiguation )): ZonedDateTime`	Returns a new `ZonedDateTime` with the given fields set to the provided values. Other fields will be constrained accordingly.
`cycle( field: DateField \| \| TimeField, amount: number, options?: CycleTimeOptions ): ZonedDateTime`	Returns a new `ZonedDateTime` with the given field adjusted by a specified amount. When the resulting value reaches the limits of the field, it wraps around.
`toDate(): Date`	Converts the date to a native JavaScript Date object.
`toString(): string`	Converts the date to an ISO 8601 formatted string, including the UTC offset and time zone identifier.
`toAbsoluteString(): string`	Converts the date to an ISO 8601 formatted string in UTC.
`compare( (b: CalendarDate \| CalendarDateTime \| ZonedDateTime )): number`	Compares this date with another. A negative result indicates that this date is before the given one, and a positive date indicates that it is after.

Name	Type	Default	Description
`locale`	`string`	—	The locale to display and edit the value according to.
`hourCycle`	`12 \| 24`	—	Whether to display the time in 12 or 24 hour format. By default, this is determined by the user's locale.
`granularity`	`'hour' \| 'minute' \| 'second'`	`'minute'`	Determines the smallest unit that is displayed in the time picker.
`hideTimeZone`	`boolean`	—	Whether to hide the time zone abbreviation.
`shouldForceLeadingZeros`	`boolean`	—	Whether to always show leading zeros in the hour field. By default, this is determined by the user's locale.
`placeholderValue`	`TimeValue`	—	A placeholder time that influences the format of the placeholder shown when no value is selected. Defaults to 12:00 AM or 00:00 depending on the hour cycle.
`minValue`	`TimeValue \| null`	—	The minimum allowed time that a user may select.
`maxValue`	`TimeValue \| null`	—	The maximum allowed time that a user may select.
`isDisabled`	`boolean`	—	Whether the input is disabled.
`isReadOnly`	`boolean`	—	Whether the input can be selected but not changed by the user.
`isRequired`	`boolean`	—	Whether user input is required on the input before form submission.
`isInvalid`	`boolean`	—	Whether the input value is invalid.
`validationBehavior`	`'aria' \| 'native'`	`'aria'`	Whether to use native HTML form validation to prevent form submission when the value is missing or invalid, or mark the field as required or invalid via ARIA.
`validate`	`( (value: MappedTimeValue<TimeValue> )) => ValidationError \| true \| null \| undefined`	—	A function that returns an error message if a given value is invalid. Validation errors are displayed to the user when the form is submitted if `validationBehavior="native"`. For realtime validation, use the `isInvalid` prop instead.
`autoFocus`	`boolean`	—	Whether the element should receive focus on render.
`onFocus`	`( (e: FocusEvent<Target> )) => void`	—	Handler that is called when the element receives focus.
`onBlur`	`( (e: FocusEvent<Target> )) => void`	—	Handler that is called when the element loses focus.
`onFocusChange`	`( (isFocused: boolean )) => void`	—	Handler that is called when the element's focus status changes.
`onKeyDown`	`( (e: KeyboardEvent )) => void`	—	Handler that is called when a key is pressed.
`onKeyUp`	`( (e: KeyboardEvent )) => void`	—	Handler that is called when a key is released.
`label`	`ReactNode`	—	The content to display as the label.
`description`	`ReactNode`	—	A description for the field. Provides a hint such as specific requirements for what to choose.
`errorMessage`	`ReactNode \| ( (v: ValidationResult )) => ReactNode`	—	An error message for the field.
`value`	`TimeValue \| null`	—	The current value (controlled).
`defaultValue`	`TimeValue \| null`	—	The default value (uncontrolled).
`onChange`	`( (value: MappedTimeValue<TimeValue> \| \| null )) => void`	—	Handler that is called when the value changes.

'valid' | 'invalid'

TimeValue extends ZonedDateTime ? ZonedDateTime : TimeValue extends CalendarDateTime ? CalendarDateTime : TimeValue extends Time ? Time : never

string | string[]

BaseEvent<ReactKeyboardEvent<any>>

SyntheticEvent & {stopPropagation: () => void,
continuePropagation: () => void
}

Name	Type	Description
`isInvalid`	`boolean`	Whether the input value is invalid.
`validationErrors`	`string[]`	The current error messages for the input if it is invalid, otherwise an empty array.
`validationDetails`	`ValidityState`	The native validation details for the input.

Properties

Name	Type	Description
`timeValue`	`Time`	The current time value.
`value`	`DateValue \| null`	The current field value.
`defaultValue`	`DateValue \| null`	The default field value.
`dateValue`	`Date`	The current value, converted to a native JavaScript `Date` object.
`calendar`	`Calendar`	The calendar system currently in use.
`segments`	`DateSegment[]`	A list of segments for the current value.
`dateFormatter`	`DateFormatter`	A date formatter configured for the current locale and format.
`isInvalid`	`boolean`	Whether the date field is invalid, based on the `isInvalid`, `minValue`, and `maxValue` props.
`granularity`	`Granularity`	The granularity for the field, based on the `granularity` prop and current value.
`maxGranularity`	`'year' \| 'month' \| Granularity`	The maximum date or time unit that is displayed in the field.
`isDisabled`	`boolean`	Whether the field is disabled.
`isReadOnly`	`boolean`	Whether the field is read only.
`isRequired`	`boolean`	Whether the field is required.
`realtimeValidation`	`ValidationResult`	Realtime validation results, updated as the user edits the value.
`displayValidation`	`ValidationResult`	Currently displayed validation results, updated when the user commits their changes.

Methods

Method	Description
`setValue( (value: DateValue \| \| null )): void`	Sets the field's value.
`increment( (type: SegmentType )): void`	Increments the given segment. Upon reaching the minimum or maximum value, the value wraps around to the opposite limit.
`decrement( (type: SegmentType )): void`	Decrements the given segment. Upon reaching the minimum or maximum value, the value wraps around to the opposite limit.
`incrementPage( (type: SegmentType )): void`	Increments the given segment by a larger amount, rounding it to the nearest increment. The amount to increment by depends on the field, for example 15 minutes, 7 days, and 5 years. Upon reaching the minimum or maximum value, the value wraps around to the opposite limit.
`decrementPage( (type: SegmentType )): void`	Decrements the given segment by a larger amount, rounding it to the nearest increment. The amount to decrement by depends on the field, for example 15 minutes, 7 days, and 5 years. Upon reaching the minimum or maximum value, the value wraps around to the opposite limit.
`setSegment( (type: SegmentType, , value: number )): void`	Sets the value of the given segment.
`confirmPlaceholder(): void`	Updates the remaining unfilled segments with the placeholder value.
`clearSegment( (type: SegmentType )): void`	Clears the value of the given segment, reverting it to the placeholder.
`formatValue( (fieldOptions: FieldOptions )): string`	Formats the current date value using the given options.
`getDateFormatter( (locale: string, , formatOptions: FormatterOptions )): DateFormatter`	Gets a formatter based on state's props.
`updateValidation( (result: ValidationResult )): void`	Updates the current validation result. Not displayed to the user until `commitValidation` is called.
`resetValidation(): void`	Resets the displayed validation state to valid when the user resets the form.
`commitValidation(): void`	Commits the realtime validation so it is displayed to the user.

CalendarDate | CalendarDateTime | ZonedDateTime

The Calendar interface represents a calendar system, including information about how days, months, years, and eras are organized, and methods to perform arithmetic on dates.

Properties

Name	Type	Description
`identifier`	`CalendarIdentifier`	A string identifier for the calendar, as defined by Unicode CLDR. See MDN.

Methods

Method	Description
`fromJulianDay( (jd: number )): CalendarDate`	Creates a CalendarDate in this calendar from the given Julian day number.
`toJulianDay( (date: AnyCalendarDate )): number`	Converts a date in this calendar to a Julian day number.
`getDaysInMonth( (date: AnyCalendarDate )): number`	Returns the number of days in the month of the given date.
`getMonthsInYear( (date: AnyCalendarDate )): number`	Returns the number of months in the year of the given date.
`getYearsInEra( (date: AnyCalendarDate )): number`	Returns the number of years in the era of the given date.
`getEras(): string[]`	Returns a list of era identifiers for the calendar.
`getMinimumMonthInYear( (date: AnyCalendarDate )): number`	Returns the minimum month number of the given date's year. Normally, this is 1, but in some calendars such as the Japanese, eras may begin in the middle of a year.
`getMinimumDayInMonth( (date: AnyCalendarDate )): number`	Returns the minimum day number of the given date's month. Normally, this is 1, but in some calendars such as the Japanese, eras may begin in the middle of a month.
`getFormattableMonth( (date: AnyCalendarDate )): CalendarDate`	Returns a date that is the first day of the month for the given date. This is used to determine the month that the given date falls in, if the calendar has months that do not align with the standard calendar months (e.g. fiscal calendars).
`isEqual( (calendar: Calendar )): boolean`	Returns whether the given calendar is the same as this calendar.

'gregory' | 'buddhist' | 'chinese' | 'coptic' | 'dangi' | 'ethioaa' | 'ethiopic' | 'hebrew' | 'indian' | 'islamic' | 'islamic-umalqura' | 'islamic-tbla' | 'islamic-civil' | 'islamic-rgsa' | 'iso8601' | 'japanese' | 'persian' | 'roc'

Name	Type	Description
`calendar`	`Calendar`
`era`	`string`
`year`	`number`
`month`	`number`
`day`	`number`

Method	Description
`copy(): this`

Name	Type	Description
`type`	`SegmentType`	The type of segment.
`text`	`string`	The formatted text for the segment.
`isPlaceholder`	`boolean`	Whether the value is a placeholder.
`placeholder`	`string`	A placeholder string for the segment.
`isEditable`	`boolean`	Whether the segment is editable.
`value`	`number`	The numeric value for the segment, if applicable.
`minValue`	`number`	The minimum numeric value for the segment, if applicable.
`maxValue`	`number`	The maximum numeric value for the segment, if applicable.

A wrapper around Intl.DateTimeFormat that fixes various browser bugs, and polyfills new features.

Method	Description
`constructor( (locale: string, , options: Intl.DateTimeFormatOptions )): void`
`format( (value: Date )): string`	Formats a date as a string according to the locale and format options passed to the constructor.
`formatToParts( (value: Date )): Intl.DateTimeFormatPart[]`	Formats a date to an array of parts such as separators, numbers, punctuation, and more.
`formatRange( (start: Date, , end: Date )): string`	Formats a date range as a string.
`formatRangeToParts( (start: Date, , end: Date )): DateRangeFormatPart[]`	Formats a date range as an array of parts.
`resolvedOptions(): Intl.ResolvedDateTimeFormatOptions`	Returns the resolved formatting options based on the values passed to the constructor.

Name	Type	Description
`source`	`'startRange' \| 'endRange' \| 'shared'`

'day' | 'hour' | 'minute' | 'second'

Name	Type	Description
`timeZone`	`string`
`hideTimeZone`	`boolean`
`granularity`	`DatePickerProps<any>['granularity']`
`maxGranularity`	`'year' \| 'month' \| DatePickerProps<any>['granularity']`
`hourCycle`	`12 \| 24`
`showEra`	`boolean`
`shouldForceLeadingZeros`	`boolean`

Name	Type	Default	Description
`pageBehavior`	`PageBehavior`	`visible`	Controls the behavior of paging. Pagination either works by advancing the visible page by visibleDuration (default) or one unit of visibleDuration.
`firstDayOfWeek`	`'sun' \| 'mon' \| 'tue' \| 'wed' \| 'thu' \| 'fri' \| 'sat'`	—	The day that starts the week.
`minValue`	`DateValue \| null`	—	The minimum allowed date that a user may select.
`maxValue`	`DateValue \| null`	—	The maximum allowed date that a user may select.
`isDateUnavailable`	`( (date: DateValue )) => boolean`	—	Callback that is called for each date of the calendar. If it returns true, then the date is unavailable.
`placeholderValue`	`DateValue \| null`	—	A placeholder date that influences the format of the placeholder shown when no value is selected. Defaults to today's date at midnight.
`hourCycle`	`12 \| 24`	—	Whether to display the time in 12 or 24 hour format. By default, this is determined by the user's locale.
`granularity`	`Granularity`	—	Determines the smallest unit that is displayed in the date picker. By default, this is `"day"` for dates, and `"minute"` for times.
`hideTimeZone`	`boolean`	`false`	Whether to hide the time zone abbreviation.
`shouldForceLeadingZeros`	`boolean`	—	Whether to always show leading zeros in the month, day, and hour fields. By default, this is determined by the user's locale.
`isDisabled`	`boolean`	—	Whether the input is disabled.
`isReadOnly`	`boolean`	—	Whether the input can be selected but not changed by the user.
`isRequired`	`boolean`	—	Whether user input is required on the input before form submission.
`isInvalid`	`boolean`	—	Whether the input value is invalid.
`validationBehavior`	`'aria' \| 'native'`	`'aria'`	Whether to use native HTML form validation to prevent form submission when the value is missing or invalid, or mark the field as required or invalid via ARIA.
`validate`	`( (value: MappedDateValue<DateValue> )) => ValidationError \| true \| null \| undefined`	—	A function that returns an error message if a given value is invalid. Validation errors are displayed to the user when the form is submitted if `validationBehavior="native"`. For realtime validation, use the `isInvalid` prop instead.
`autoFocus`	`boolean`	—	Whether the element should receive focus on render.
`onFocus`	`( (e: FocusEvent<Target> )) => void`	—	Handler that is called when the element receives focus.
`onBlur`	`( (e: FocusEvent<Target> )) => void`	—	Handler that is called when the element loses focus.
`onFocusChange`	`( (isFocused: boolean )) => void`	—	Handler that is called when the element's focus status changes.
`onKeyDown`	`( (e: KeyboardEvent )) => void`	—	Handler that is called when a key is pressed.
`onKeyUp`	`( (e: KeyboardEvent )) => void`	—	Handler that is called when a key is released.
`label`	`ReactNode`	—	The content to display as the label.
`description`	`ReactNode`	—	A description for the field. Provides a hint such as specific requirements for what to choose.
`errorMessage`	`ReactNode \| ( (v: ValidationResult )) => ReactNode`	—	An error message for the field.
`isOpen`	`boolean`	—	Whether the overlay is open by default (controlled).
`defaultOpen`	`boolean`	—	Whether the overlay is open by default (uncontrolled).
`onOpenChange`	`( (isOpen: boolean )) => void`	—	Handler that is called when the overlay's open state changes.
`value`	`DateValue \| null`	—	The current value (controlled).
`defaultValue`	`DateValue \| null`	—	The default value (uncontrolled).
`onChange`	`( (value: MappedDateValue<DateValue> \| \| null )) => void`	—	Handler that is called when the value changes.

'single' | 'visible'

DateValue extends ZonedDateTime ? ZonedDateTime : DateValue extends CalendarDateTime ? CalendarDateTime : DateValue extends CalendarDate ? CalendarDate : never