[wp-trac] [WordPress Trac] #38583: Support for objects in schema validation and sanitization

[WordPress Trac]

#38583: Support for objects in schema validation and sanitization
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 Reporter:  rachelbaker                 |       Owner:  rmccue
     Type:  enhancement                 |      Status:  reopened
 Priority:  high                        |   Milestone:  4.9
Component:  REST API                    |     Version:  4.7
 Severity:  major                       |  Resolution:
 Keywords:  has-unit-tests needs-patch  |     Focuses:
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Comment (by joehoyle):

 Ok - thanks all for bearing with me! So, I think we should:

 - Default to not stripping un-registered properties unless
 `additionalProperties` is `false`.
 - The automated schema writing for Meta and Settings will set
 `additionalProperties = false`
 - We won't support other `additionalProperties` stuff just yet, but we are
 defaulting to pass through we it can be additive later.

 This means all custom endpoints that don't bother to set
 `additionalProperties` will get all the data (registered or not) just like
 the root object behaves.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38583#comment:39>
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