Issue number: resolves#25839
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## What is the current behavior?
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Confirming the working day when a datetime using a wheel picker without
an initial value will result in a value of `undefined` instead of the
displayed working day the user sees.
## What is the new behavior?
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this PR. -->
- `preferWheel` uses the working value on confirmation
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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screenshots of how the component looks before and after the change. -->
Dev-build: `7.5.7-dev.11701896424.13d40ac9`
Co-authored-by: liamdebeasi <liamdebeasi@users.noreply.github.com>
Issue number: resolves#23750
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## What is the current behavior?
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Datetime does not support h11 and h24 hour formats
## What is the new behavior?
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this PR. -->
- Datetime supports h11 and h24 formats
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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Implementation Notes:
1. I broke up the `is24Hour` function into two functions:
- The first function, `is24Hour`, accepts an hour cycle and returns true
if the hourCycle preference uses a 24 hour format
- The second function, getHourCycle, accepts a locale and an optional
hour cycle and returns the computed hour cycle. I found that the hour
cycle is not always set via `hourCycle` (such as when we are using the
system default if it's specified in the `locale` prop using locale
extension tags). This was coupled to is24Hour, but I needed this
functionality elsewhere to add support for this feature, so I decided to
break the functions up.
2. We were using the hour cycle types in several places, so I decided to
create a shared `DatetimeHourCycle` to avoid accidental typos.
Issue number: resolves#28041
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## What is the current behavior?
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`parseDate` returns `undefined` when given an invalid value. However,
our min/max processing functions did not account for this. As a result,
we would attempt to destructure an undefined value which resulted in an
error.
Note regarding linked issue: The developer is calling
`setMin(undefined)`. However, this is triggering a React quirk with
Custom Elements where `undefined` is being set to `null` inside of
React. The type signature on min/max is `string | undefined`, so `null`
is being treated as an invalid date value.
## What is the new behavior?
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this PR. -->
- Min/Max processing functions now return `undefined` if the input was
invalid.
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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screenshots of how the component looks before and after the change. -->
Dev build: `7.3.2-dev.11692887667.1614d10a`
Issue number: Resolves#26391
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## What is the current behavior?
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When updating the `value` programmatically on an `ion-datetime` after it
has already been created:
- With grid style: The selected date visually updates, but the calendar
does not scroll to the newly selected month.
- With wheel style: The selected date does not visually update, i.e. the
wheels do not move to show the newly selected date.
## What is the new behavior?
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this PR. -->
- Grid style datetimes now scroll to the selected date using the same
animation as when clicking the next/prev month buttons.
- This animation mirrors the behavior in both MUI and native iOS. See
the [design
doc](https://github.com/ionic-team/ionic-framework-design-documents/blob/main/projects/ionic-framework/components/datetime/0003-datetime-async-value.md)
for more information and screen recordings.
- The animation will not occur if the month/year did not change, or when
the datetime is hidden.
- Wheel style datetimes now visually update to the selected date. No
animation occurs, also mirroring native.
- The `parseDate` util has also had its type signatures updated to
account for returning `undefined` when the date string is improperly
formatted. This was missed when the util was refactored to support
multiple date selection.
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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screenshots of how the component looks before and after the change. -->
- Docs PR: https://github.com/ionic-team/ionic-docs/pull/3053
- While this can technically be considered a bug fix, we are merging it
into a feature branch for safety; it's a fairly significant change to
how datetime behaves, and may interfere with custom logic when updating
a datetime's value async.
- Jumping to the newly selected value is handled by replacing everything
[here](https://github.com/ionic-team/ionic-framework/pull/27806/files#diff-4a407530c60e3cf72bcc11acdd21c4803a94bf47ea81b99e757db1c93d2735b8L364-L407)
with `processValue()`. This covers both wheel and grid datetimes.
- `activePartsClone` as a whole was also removed. It was added in
https://github.com/ionic-team/ionic-framework/pull/24244 to enable
changing `activeParts` without triggering a rerender (and thus jumping
to the new value) but since we now want to do that jump, the clone is no
longer needed.
- The animation code might be tricky to follow, so I recorded going
through it:
https://github.com/ionic-team/ionic-framework/assets/90629384/1afa5762-f493-441a-b662-f0429f2d86a7
Issue number: resolves#27797
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issue. -->
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## What is the current behavior?
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Datetime Button passes a parsed value to one of the many text formatting
utilities we have, such as `getMonthAndYear`. However, developers can
pass partial date values such as `2022` or `2022-04` (April 2022).
According to
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date#date_time_string_format,
these are still valid date strings.
However, the `parseDate` utility does not add fallback values. So
passing `2022` will cause the `day` and `month` fields to be
`undefined`. This means that `getNormalizedDate` passes `'//2022'` to
the `Date` constructor.
Some browsers, such as Chrome, will automatically account for the stray
slashes and still return a valid date. Other browsers, such as Safari,
do not do this and will either return "Invalid Date" or throw an error.
## What is the new behavior?
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this PR. -->
- Date normalizing utility now has fallback values so we always pass in
a valid date. In the example above, `getNormalizedDate` will now pass
`'1/1/2022'` instead of `'//2022'` to the `Date` constructor.
- Refactored other utils that use `new Date` to make use of
`getNormalizedDate` since they are also impacted.
Note: I added an E2E test instead of a spec test because I want to test
cross-browser behavior to ensure consistency.
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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screenshots of how the component looks before and after the change. -->
resolves#27422
Co-authored-by: Jón Prüßmeier <jon-pruessmeier@users.noreply.github.com>
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## What is the current behavior?
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Years in the date picker are displayed in descending order.
## What is the new behavior?
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this PR. -->
- Years in the date picker are displayed in ascending order
- This matches the native behavior
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
<!-- If this introduces a breaking change, please describe the impact
and migration path for existing applications below. -->
This is not a breaking change, but it may be unexpected and also may
cause users' visual diff tests to fail. As such, we'll target this to
7.1
## Other information
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screenshots of how the component looks before and after the change. -->
The updated snapshots show the change
---------
Co-authored-by: ionitron <hi@ionicframework.com>
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## What is the current behavior?
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When using the dropdown month picker, the value is updated when the
month is changed, to follow native behavior. However, because only the
month is updated (the day remains the same), it's possible for the newly
chosen date to fall outside the min/max bounds of the datetime.
For example, if you have a datetime with `min="2021-01-15"
value="2021-02-01"`, then use the month picker to switch to January, the
new value will be `2021-01-01` which is earlier than the `min`.
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Issue URL: Resolves#27027
## What is the new behavior?
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this PR. -->
When updating the `activeParts` in any scenario, the date to set is now
clamped between the max and min.
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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resolves#25577
BREAKING CHANGE:
Datetime no longer incorrectly reports the time zone when `value` is updated. Datetime does not manage time zones, so any time zone information provided is ignored.
