Yaacov Rydzinski

Clarify current ResolveAbstractType algorithm

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add assertions from current behavior of reference implementation

allow unions to include interfaces and unions

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Complements #939 Addresses #711 Similar to #939, this PR expands the robustness of the type system by allowing types that actually fulfill interfaces to be recognized as such by the...

RFC Allow recursion within ResolveAbstractType

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This formalizes the proprosed feature within `graphql-js` whereby the internal method provided by JavaScript for runtime type resolution is allowed to return an intermediate interface. See: Issue: https://github.com/graphql/graphql-js/issues/3253 PR: https://github.com/graphql/graphql-js/pull/3599...

allow unions to declare implementation of interfaces

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Cf. https://github.com/graphql/graphql-spec/pull/373#issuecomment-375489730 ```graphql # generic types interface Node { id: ID! } interface Connection { pageInfo: PageInfo! edges: [Edge] } interface Edge { cursor: String node: Node } type PageInfo...

add note regarding the normative force of directives

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This is to better anticipate the nature of defer/stream directives as client side recommendations rather than mandates.

incrementalDelivery: refactoring and streamlining

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Each commit is meant to merged separately, i.e. "Rebase and Merge" rather than "Squash and Merge" 5b8a807d: moves `executeStreamField` out of try block to better illustrate which code might throw...

polish: add additional test

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note that filtering is still required for synchronous error bubbling with stream. With defer, patches are not executed if the initial field set execution fails, but with stream, the initial...

add filtering for asyncIterable lists

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when not streamed! depends on #3746

fix: allow async errors to bubble to AsyncIterable list items

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Previously, async errors from further down in the tree would bubble to the parent list rather than the individual item. This change also fixes the test so that `completeValue` rejects...

incrementalDelivery: use single execute function with directives as flags

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The use of new experimental functionality triggered by directives does not need a separate runtime flag. The directives themselves are the flags and all operations passed to `execute` are assumed...