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GraphQLのライブラリ「strawberry」でページネーションを定義する

Posted at

2021.12.21現在、strawberryのPaginationはcoming soonになっていました。
https://strawberry.rocks/docs/guides/pagination

image.png

現在実装に向けた取り組みが行われています。
https://github.com/strawberry-graphql/strawberry/pull/1345

暫定ですがPaginationの定義はこう書くことができます。

from typing import List, Generic, TypeVar

import strawberry


T = TypeVar("T")


@strawberry.type
class Edge(Generic[T]):
    node: T

@strawberry.type
class Connection(Generic[T]):
    edges: List[Edge[T]]
    nodes: List[T]


@strawberry.type
class Bar:
    id: int
    name: str


@strawberry.type
class Foo:
    bar: Connection[Bar]

正式リリースが待ち遠しいです。

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