Add RSC wrapper library to simplify server and client #10074
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devongovett
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sebmarkbage
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This implements `findSourceMapURL` in react-server-dom-parcel, enabling source maps for replayed server errors on the client. It utilizes a new endpoint in the Parcel dev server that returns the source map for a given bundle/file. The error overlay UI has also been updated to handle these stacks. See parcel-bundler/parcel#10082 Also updated the fixture to the latest Parcel canary. A few APIs have changed. We do have a higher level library wrapper now (`@parcel/rsc` added in parcel-bundler/parcel#10074) but I left the fixture using the lower level APIs directly here since it is easier to see how react-server-dom-parcel is used.
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This adds a
@parcel/rsclibrary which simplifies writing both the server and client portions of an RSC app by providing higher level methods that bring together all of the different libraries you need.@parcel/rsc/serverand@parcel/rsc/nodeincluderenderRequestandcallActionfunctions using the web Request/Response objects, and node IncomingMessage/ServerResponse objects respectively.renderRequestchecks theAcceptheader and returns either HTML or an RSC stream.callActionhandles running actions from both client fetches and progressively enhanced forms.@parcel/rsc/clientincludes ahydratefunction that hydrates the document with the embedded RSC data, and returns anupdateRootfunction that can be used to update the page for client navigations. It accepts options to handle server actions, and reload the page during HMR. It also includes afetchRSCfunction that wrapsfetchto automatically handle serializing and deserializing via the RSC protocol.