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@theguild-bot theguild-bot released this 15 Jan 16:20
· 1 commit to master since this release
v6.0.0
bc549eb
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enisdenjo Denis Badurina
GPG key ID: 839BAEC88E931477
Learn about vigilant mode.

Major Changes

  • b668b30 Thanks @enisdenjo! - @fastify/websocket WebSocket in the context extra has been renamed from connection to socket

    Migrating from v5 to v6

    import { makeHandler } from 'graphql-ws/use/@fastify/websocket';

makeHandler({
  schema(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
  context(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
  onConnect(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
  onDisconnect(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
  onClose(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
  onSubscribe(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
  onOperation(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
  onError(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
  onNext(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
  onComplete(ctx) {
-   const websocket = ctx.extra.connection;
+   const websocket = ctx.extra.socket;
  },
});

  • #613 3f11aba Thanks @enisdenjo! - Drop support for ws v7

    ws v7 has been deprecated. Please upgrade and use v8.

  • #613 3f11aba Thanks @enisdenjo! - Drop support for deprecated fastify-websocket

    fastify-websocket has been deprecated since v4.3.0.. Please upgrade and use @fastify/websocket.

  • #613 3f11aba Thanks @enisdenjo! - The /lib/ part from imports has been removed, for example graphql-ws/lib/use/ws becomes graphql-ws/use/ws

    Migrating from v5 to v6

    Simply remove the /lib/ part from your graphql-ws imports that use a handler.

    ws

    - import { useServer } from 'graphql-ws/lib/use/ws';
+ import { useServer } from 'graphql-ws/use/ws';

    uWebSockets.js

    - import { makeBehavior } from 'graphql-ws/lib/use/uWebSockets';
+ import { makeBehavior } from 'graphql-ws/use/uWebSockets';

    @fastify/websocket

    - import { makeHandler } from 'graphql-ws/lib/use/@fastify/websocket';
+ import { makeHandler } from 'graphql-ws/use/@fastify/websocket';

    Bun

    - import { handleProtocols, makeHandler } from 'graphql-ws/lib/use/bun';
+ import { handleProtocols, makeHandler } from 'graphql-ws/use/bun';

    Deno

    - import { makeHandler } from 'https://esm.sh/graphql-ws/lib/use/deno';
+ import { makeHandler } from 'https://esm.sh/graphql-ws/use/deno';

  • #613 3f11aba Thanks @enisdenjo! - ErrorMessage uses and onError returns GraphQLFormattedError (instead of GraphQLError)

    Thanks @benjie for working on this in #599

  • #613 3f11aba Thanks @enisdenjo! - Least supported Node version is v20

    Node v10 has been deprecated for years now. There is no reason to support it. Bumping the engine to the current LTS (v20) also allows the code to be leaner and use less polyfills.

  • #613 3f11aba Thanks @enisdenjo! - Least supported graphql peer dependency is ^15.10.1 and ^16

    Users are advised to use the latest of graphql because of various improvements in performance and security.

  • #613 3f11aba Thanks @enisdenjo! - NextMessage uses and onNext returns FormattedExecutionResult (instead of ExecutionResult)

  • #613 3f11aba Thanks @enisdenjo! - schema, context, onSubscribe, onOperation, onError, onNext and onComplete hooks don't have the full accompanying message anymore, only the ID and the relevant part from the message

    There is really no need to pass the full SubscribeMessage to the onSubscribe hook. The only relevant parts from the message are the id and the payload, the type is useless since the hook inherently has it (onNext is next type, onError is error type, etc).

    The actual techincal reason for not having the full message is to avoid serialising results and errors twice. Both onNext and onError allow the user to augment the result and return it to be used instead. onNext originally had the NextMessage argument which already has the FormattedExecutionResult, and onError originally had the ErrorMessage argument which already has the GraphQLFormattedError, and they both also returned FormattedExecutionResult and GraphQLFormattedError respectivelly - meaning, if the user serialised the results - the serialisation would happen twice.

    Additionally, the onOperation, onError, onNext and onComplete now have the payload which is the SubscribeMessage.payload (SubscribePayload) for easier access to the original query as well as execution params extensions.

    Migrating from v5 to v6

    schema

    import { ExecutionArgs } from 'graphql';
import { ServerOptions, SubscribePayload } from 'graphql-ws';

const opts: ServerOptions = {
- schema(ctx, message, argsWithoutSchema: Omit<ExecutionArgs, 'schema'>) {
-   const messageId = message.id;
-   const messagePayload: SubscribePayload = message.payload;
- },
+ schema(ctx, id, payload) {
+   const messageId = id;
+   const messagePayload: SubscribePayload = payload;
+ },
};

    context

    import { ExecutionArgs } from 'graphql';
import { ServerOptions, SubscribePayload } from 'graphql-ws';

const opts: ServerOptions = {
- context(ctx, message, args: ExecutionArgs) {
-   const messageId = message.id;
-   const messagePayload: SubscribePayload = message.payload;
- },
+ context(ctx, id, payload, args: ExecutionArgs) {
+   const messageId = id;
+   const messagePayload: SubscribePayload = payload;
+ },
};

    onSubscribe

    import { ServerOptions, SubscribePayload } from 'graphql-ws';

const opts: ServerOptions = {
- onSubscribe(ctx, message) {
-   const messageId = message.id;
-   const messagePayload: SubscribePayload = message.payload;
- },
+ onSubscribe(ctx, id, payload) {
+   const messageId = id;
+   const messagePayload: SubscribePayload = payload;
+ },
};

    onOperation

    The SubscribeMessage.payload is not useful here at all, the payload has been parsed to ready-to-use graphql execution args and should be used instead.

    import { ExecutionArgs } from 'graphql';
import { ServerOptions, SubscribePayload, OperationResult } from 'graphql-ws';

const opts: ServerOptions = {
- onOperation(ctx, message, args: ExecutionArgs, result: OperationResult) {
-   const messageId = message.id;
-   const messagePayload: SubscribePayload = message.payload;
- },
+ onOperation(ctx, id, payload, args: ExecutionArgs, result: OperationResult) {
+   const messageId = id;
+   const messagePayload: SubscribePayload = payload;
+ },
};

    onError

    The ErrorMessage.payload (GraphQLFormattedError[]) is not useful here at all, the user has access to GraphQLError[] that are true instances of the error containing object references to originalErrors and other properties. The user can always convert and return GraphQLFormattedError[] by using the .toJSON() method.

    import { GraphQLError, GraphQLFormattedError } from 'graphql';
import { ServerOptions, SubscribePayload } from 'graphql-ws';

const opts: ServerOptions = {
- onError(ctx, message, errors) {
-   const messageId = message.id;
-   const graphqlErrors: readonly GraphQLError[] = errors;
-   const errorMessagePayload: readonly GraphQLFormattedError[] = message.payload;
- },
+ onError(ctx, id, payload, errors) {
+   const messageId = id;
+   const graphqlErrors: readonly GraphQLError[] = errors;
+   const subscribeMessagePayload: SubscribePayload = payload;
+   const errorMessagePayload: readonly GraphQLFormattedError[] = errors.map((e) => e.toJSON());
+ },
};

    onNext

    The NextMessage.payload (FormattedExecutionResult) is not useful here at all, the user has access to ExecutionResult that contains actual object references to error instances. The user can always convert and return FormattedExecutionResult by serialising the errors with GraphQLError.toJSON() method.

    import { ExecutionArgs, ExecutionResult, FormattedExecutionResult } from 'graphql';
import { ServerOptions, SubscribePayload } from 'graphql-ws';

const opts: ServerOptions = {
- onNext(ctx, message, args: ExecutionArgs, result: ExecutionResult) {
-   const messageId = message.id;
-   const nextMessagePayload: FormattedExecutionResult = message.payload;
- },
+ onNext(ctx, id, payload, args: ExecutionArgs, result: ExecutionResult) {
+   const messageId = id;
+   const subscribeMessagePayload: SubscribePayload = payload;
+   const nextMessagePayload: FormattedExecutionResult = { ...result, errors: result.errors?.map((e) => e.toJSON()) };
+ },
};

    onComplete

    import { ServerOptions, SubscribePayload } from 'graphql-ws';

const opts: ServerOptions = {
- onComplete(ctx, message) {
-   const messageId = message.id;
- },
+ onComplete(ctx, id, payload) {
+   const messageId = id;
+   const subscribeMessagePayload: SubscribePayload = payload;
+ },
};

  • #613 3f11aba Thanks @enisdenjo! - Errors thrown from subscription iterables will be caught and reported through the ErrorMessage

    Compared to the behaviour before, which terminated the whole WebSocket connection - those errors are now gracefully reported and terminate only the specific subscription that threw the error.

    There's been an editorial change in the GraphQL Spec suggesting this being the correct approach.

    Also, if you'd like to get involved and ideally drop your opinion about whether iterable errors should be reported as errors or ExecutionResults with errors field set, please read more here.

    Migrating from v5 to v6

    If you had used the suggested "ws server usage with custom subscribe method that gracefully handles thrown errors" recipe, you can simply remove it since this behaviour is now baked in.

    import { subscribe } from 'graphql';
import { useServer } from 'graphql-ws/use/ws';
import { WebSocketServer } from 'ws'; // yarn add ws

const wsServer = new WebSocketServer({
  port: 4000,
  path: '/graphql',
});

useServer(
  {
    schema,
-   async subscribe(...args) {
-     const result = await subscribe(...args);
-     if ('next' in result) {
-       // is an async iterable, augment the next method to handle thrown errors
-       const originalNext = result.next;
-       result.next = async () => {
-         try {
-           return await originalNext();
-         } catch (err) {
-           // gracefully handle the error thrown from the next method
-           return { value: { errors: [err] } };
-         }
-       };
-     }
-     return result;
-   },
  },
  wsServer,
);

  • #613 3f11aba Thanks @enisdenjo! - Remove deprecated isMessage, use validateMessage instead

    Migrating from v5 to v6

    Replace all ocurrances of isMessage with validateMessage. Note that validateMessage throws if the message is not valid, compared with isMessage that simply returned true/false.

    - import { isMessage } from 'graphql-ws';
+ import { validateMessage } from 'graphql-ws';

function isGraphQLWSMessage(val) {
- return isMessage(val);
+ try {
+   validateMessage(val);
+   return true;
+ } catch {
+   return false;
+ }
}

  • #613 3f11aba Thanks @enisdenjo! - Removed deprecated isFatalConnectionProblem, use shouldRetry instead

    Migrating from v5 to v6

    Replace all ocurrances of isFatalConnectionProblem with shouldRetry. Note that the result is inverted, where you returned false in isFatalConnectionProblem you should return true in shouldRetry.

    import { createClient } from 'graphql-ws';

const client = createClient({
  url: 'ws://localhost:4000/graphql',
- isFatalConnectionProblem: () => false,
+ shouldRetry: () => true,
});

Minor Changes

  • #613 3f11aba Thanks @enisdenjo! - Client is truly zero-dependency, not even a peer dependency on graphql

    In non-browser environments, you can use only the client and not even depend on graphql by importing from graphql-ws/client.

    import { createClient } from 'graphql-ws/client';

const client = createClient({
  url: 'ws://localhost:4000/graphql',
});

    Note that, in browser envirments (and of course having your bundler use the browser package.json field), you don't have to import from graphql-ws/client - simply importing from graphql-ws will only have the createClient available.

  • #615 29dd26a Thanks @enisdenjo! - Define optional peer dependencies and least supported versions

    Using the peerDependencies in combination with peerDependenciesMeta configuration in package.json.

Contributors

benjie
Assets 2
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