Heads up on COLOR PICKER/ALPHA CHANNEL javascript error (Due to WP 5.5)

This topic has 3 replies, 3 voices, and was last updated 3 years, 4 months ago by Paul Wenzel.

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August 26, 2020 at 2:33 AM #21464
Teia Local Studio
Participant
Hey guys!

Just updated to WordPress 5.5 and I got a error on JavaScript console on the ALPHA CHANNEL feature for COLOR PICKER. At first moment I did think it was related to the META BOX suite, however it is a general problem happening on many themes and plugins out there.

So, I would suggest you to address a fix within Meta Box internals, because other people could think same way as me and come here asking for help.

I understand it is a problem inside the COLOR PICKER code, but, anyway, I did fix it using this on my theme functions.php file:
```
if( is_admin() ){
    add_action( 'wp_default_scripts', 'wp_default_custom_scripts' );
    function wp_default_custom_scripts( $scripts ){
        $scripts->add( 'wp-color-picker', "/wp-admin/js/color-picker.js", array( 'iris' ), false, 1 );
        did_action( 'init' ) && $scripts->localize(
            'wp-color-picker',
            'wpColorPickerL10n',
            array(
                'clear'            => __( 'Clear' ),
                'clearAriaLabel'   => __( 'Clear color' ),
                'defaultString'    => __( 'Default' ),
                'defaultAriaLabel' => __( 'Select default color' ),
                'pick'             => __( 'Select Color' ),
                'defaultLabel'     => __( 'Color value' ),
            )
        );
    }
}
```
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August 26, 2020 at 9:32 AM #21469

Long Nguyen
Moderator

Hi,

Meta Box uses WP Color Picker Alpha as a library as many themes/plugins. This issue has been noticed and the developer has created a pull request to fix it https://github.com/kallookoo/wp-color-picker-alpha/pull/38. We are waiting for this PR will be merged and update the new version of Meta Box.

Thanks for your code, it will help other users for temporary fixing.

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September 23, 2020 at 11:30 AM #22053

Long Nguyen
Moderator

Solved in the new version 5.3.4 of Meta Box, please update the plugin to fix this issue.

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November 25, 2020 at 2:03 AM #23051
Paul Wenzel
Participant
I still see a broken alpha color picker in the Customizer when using Meta Box 5.3.4. The color picker works fine in the regular WordPress admin, but not in the Customizer.

I added this to my functions.php file to work around the issue:
```
if( is_customize_preview() ) {
  add_action( 'wp_default_scripts', 'wp_default_custom_scripts' );
  function wp_default_custom_scripts( $scripts ) {
    $scripts->add( 'wp-color-picker', '/wp-admin/js/color-picker.js', array( 'iris' ), false, 1 );
    did_action( 'init' ) && $scripts->localize(
      'wp-color-picker',
      'wpColorPickerL10n',
      array(
        'clear'            => __( 'Clear' ),
        'clearAriaLabel'   => __( 'Clear color' ),
        'defaultString'    => __( 'Default' ),
        'defaultAriaLabel' => __( 'Select default color' ),
        'pick'             => __( 'Select Color' ),
        'defaultLabel'     => __( 'Color value' ),
      )
    );
  }
}
```
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