Web Inspector: Don't send node payloads to the frontend for already-bound nodes 
https://bugs.webkit.org/show_bug.cgi?id=238947
Summary Web Inspector: Don't send node payloads to the frontend for already-bound nodes
Patrick Angle
Reported 2022-04-07 10:50:24 PDT
`DOM.setChildNodes`, `DOM.childNodeInserted`, `DOM.shadowRootPushed`, and `DOM.pseudoElementAdded` should all be able to provide a DOM.NodeId instead of a DOM.Node to the frontend in order to be less wasteful over the protocol. This will probably require adding a new protocol command to do the initial push of a node to the frontend, followed by one of the existing protocol commands to place the node in the DOM Tree in the correct place. As of bug 189687 we will actually go ahead an check if the node payload's ID matches an already-known node to prevent ourselves from creating a new identical frontend `WI.DOMNode` to replace the existing frontend `WI.DOMNode` if it already exists. It's also worth noting that `DOM.childNodeInserted`, `DOM.shadowRootPushed`, and `DOM.pseudoElementAdded` could all be unified into a single event because the node itself should contain enough information to know if it is a shadow root, a pseudo-element, or an otherwise normal node.
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Radar WebKit Bug Importer
Comment 1 2022-04-07 10:50:34 PDT
<rdar://problem/91431852>
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