apollo-federation 2.15.0

Apollo Federation
Documentation 
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extend schema
@link(
    url: "https://specs.apollo.dev/connect/v0.4"
    import: ["@connect"]
)

type Query {
    dollar: String
    @connect(
        http: {
            POST: "http://127.0.0.1",
            body: "$" # INVALID - there is no input
        }
        selection: "$"
    )
    dollarField: String
    @connect(
        http: {
            POST: "http://127.0.0.1",
            body: "$.foo" # INVALID - there is no input
        }
        selection: "$"
    )
    objectLiteral: String
    @connect(
        http: {
            POST: "http://127.0.0.1",
            body: "{ userid: 'foo' }" # VALID - v0.4 drops $(...) around a bare SubSelection body
        }
        selection: "$"
    )
    objectLiteralWithVariable(userid: ID!): String
    @connect(
        http: {
            POST: "http://127.0.0.1",
            body: "{ userid: $args.userid }" # VALID - v0.4 drops $(...) around a bare SubSelection body
        }
        selection: "$"
    )
    objectLiteralStillWrappable: String
    @connect(
        http: {
            POST: "http://127.0.0.1",
            body: "$({ userid: 'foo' })" # VALID - explicit $(...) wrapping still parses in v0.4
        }
        selection: "$"
    )
    objectLiteralWithArrowMethod(userid: ID!): String
    @connect(
        http: {
            POST: "http://127.0.0.1",
            # A method chain on a top-level object literal requires the $(...)
            # wrapper in v0.4 too, because `{...}` at the top level is a
            # SubSelection (not a LitExpr), so it cannot grow a `->method` tail.
            body: "$({ userid: $args.userid })->no_such_method" # INVALID - no such method
        }
        selection: "$"
    )
    invalidVariable(userid: ID!): String
    @connect(
        http: {
            POST: "http://127.0.0.1",
            body: "{ userid: $nosuchvariable }" # INVALID - no such variable (v0.4 naked form)
        }
        selection: "$"
    )
}