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HTML 5 'datetime-local' element has incorrect format

Open on Drupal.org →
Created on 19 May 2023, over 1 year ago
Updated 15 April 2024, 5 months ago

Problem/Motivation

I have a form that uses the "datetime" element type.
While public static function Datetime::processDatetime, I noticed support for the HTML5 datetime-local element type.

After enabling this option, the default value no longer displayed correctly.

Steps to reproduce

1. Create a form that displays the following element

    $form['field_check_out'] = [
      '#type' => 'datetime',
      '#title' => $this->t('Now'),
      '#default_value' => new DrupalDateTime(),
      // '#date_date_element' => 'datetime-local',
    ];

2. Viewing the form should show the 2 form elements set as current date and time respetively.
3. Uncomment the line that sets '#date_date_element' .
4. Clear cache.
5. The new datetime-local element is not set, but should be.

Proposed resolution

The Datetime::getHtml5DateFormat() returns is incorrect.

- ❌"Y-m-d\TH:i:sO"
- ✅ "Y-m-d\TH:i"

Tested on
- Win10 Chrome 113.0.5672.127 x64
- Win10 Firefox 113.0.1 (x64)

Remaining tasks

- Test on Safari

🐛 Bug report
Status

Needs work

Version

11.0 🔥

Component
Form  →

Last updated less than a minute ago

Created by

🇯🇵Japan tyler36 Osaka

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  • Needs tests

    The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.

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