[wp-trac] [WordPress Trac] #36944: Display server-sent Customizer setting validation errors before save is attempted

[WordPress Trac]

#36944: Display server-sent Customizer setting validation errors before save is
attempted
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 Reporter:  westonruter                      |       Owner:  westonruter
     Type:  defect (bug)                     |      Status:  closed
 Priority:  normal                           |   Milestone:  4.6
Component:  Customize                        |     Version:  trunk
 Severity:  normal                           |  Resolution:  fixed
 Keywords:  has-patch has-unit-tests commit  |     Focuses:
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Changes (by westonruter):

 * status:  accepted => closed
 * resolution:   => fixed


Comment:

 In [changeset:"37700"]:
 {{{
 #!CommitTicketReference repository="" revision="37700"
 Customize: Update server-sent setting validation notifications as changes
 are entered.

 Send back setting validities with full refreshes and selective refreshes
 so that invalid settings can have notifications displayed immediately
 before attempting save, and so that these notifications can be cleared as
 soon as the input is corrected.

 * Splits out JS logic for listing controls into separate methods
 `wp.customize.Setting.prototype.findControls()` and
 `wp.customize.findControlsForSettings()`.
 * Adds a `setting` property to the `data` on notifications added to
 controls that are synced from their settings.
 * Adds `selective-refresh-setting-validities` message sent from preview to
 pane.
 * Changes `WP_Customize_Manager::validate_setting_values()` to return when
 settings are valid as well as invalid.
 * Adds `WP_Customize_Manager::prepare_setting_validity_for_js()`.
 * Add setting validities to data exported to JS in Customizer Preview and
 in selective refresh responses.

 Fixes #36944.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/36944#comment:15>
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