\r\n\u003C/a>\r\n\r\n## What this would _(hopefully)_ enable \r\n\r\n> Each of these could be implemented already, but it'd likely make things quite convoluted\r\n\r\n- Procedure call batching - #273\r\n- WebSocket transport - #268\r\n- More robust subscription support\r\n- Our own query cache, as a plugin\r\n- Logging & devtools\r\n- Supplying \"retry\" links\r\n- Moving transformers to a plugin\r\n- Would make creating libs for Svelte/Vue/etc easier\r\n- Potentially, move away from relying on react-query in `@trpc/react` and make trpc lighter (unlikely to happen though)\r\n",[2902,2905,2908],{"name":2903,"color":2904},"🙋♂️ help wanted","008672",{"name":2906,"color":2907},"@trpc/client","6095C2",{"name":2909,"color":2910},"🧙🏻 typescript wizardry","391441",412,"Implement exchanges/middlewares to make client more pluggable","2022-10-05T00:09:54Z","https://github.com/trpc/trpc/issues/412",0.68203384,{"description":2917,"labels":2918,"number":2928,"owner":2860,"repository":2860,"state":2894,"title":2929,"updated_at":2930,"url":2931,"score":2932},"So. We're making a new major. \r\n\r\n\r\n\r\n\r\n\r\n## Goals\r\n\r\n- **More ergonomic API for creating procedures** and building out your backend\r\n- **CMD+Click** from your frontend and jump straight into the backend procedure. This will work with `react-query` as well!\r\n- **Better scaling** than the current structure - the TypeScript server starts choking a bit when you get close to 100 procedures in your backend\r\n- **Fully backward compatible** for the 99% use-case with a migration path which you can do incrementally. \r\n\r\n\r\n## Todos\r\n\r\n> **Important for contributors:** All of the work here is related to the [`next`](https://github.com/trpc/trpc/tree/next) branch.\r\n\r\n\r\nTracked in https://github.com/orgs/trpc/projects/1\r\n\r\n- [x] New Router API\r\n - [x] Tracked in [trpc/v10-playground](https://github.com/trpc/v10-playground) - the current winning proposal is https://github.com/trpc/v10-playground/pull/33\r\n - [x] Error formatting in new API - [`formatError()`](https://trpc.io/docs/error-formatting)-equivalent. \r\n - [x] `meta`-equivalent\r\n - [x] Maybe we need a `createRootRouter()` that additionally accepts `{ transformer: X, formatError: Y}`\r\n - [x] Implement new API in tRPC\r\n - [x] Make old routers compatible (`.legacy()` at the end to transform them to the new version)\r\n- [x] New client API with backward compatibility \r\n - Maybe old can be `client.query('postById', input, options)` whilst new stuff can be `client.queries.postById({ input, ...options})`\r\n- [x] New react-query API with backward compat\r\n- [ ] Make actual issues for all of these\r\n- [x] Add all old projects in a folder (copy/paste `examples/*` to `examples/.test` so we can track breaking changes easily and make sure we remain backward compatible for a long time\r\n- [ ] Rewrite `TRPCClient` to be functional instead of a class but reuse the same interface\r\n- [ ] Write a migration guide\r\n - [ ] New router API\r\n - [ ] New links\r\n- [x] Move transformers back to `runtime` to make it backward compatible\r\n- [ ] Explore: Add [`stripInternal`](https://www.typescriptlang.org/tsconfig#stripInternal)-flag\r\n- [x] Simplify HTTP-responses\r\n- [x] New links architecture (#1366)\r\n- [ ] Refactor observables implementation to have `unknown` errors or make it guaranteed to be `TRPCClientError` of some sort. \r\n- [ ] Make transformers dynamically opt-in similar to how a batch request is indicated by `?batch=1` maybe a transformed request could be `?transform=1` or `transform=TRANSFORMER_NAME`?\r\n- [ ] Write a blog post about new major and API.\r\n- [ ] \"Marketing\"? Hype video, new website, etc\r\n- [ ] Decide on structure for react-query integration\r\n- [ ] Add old website on `www/`-docs as `v9.trpc.io`\r\n - [ ] Link it in Docusaurus\r\n - [ ] Make sure we have deployment for a \"v9\"-branch\r\n\r\n### Stretch\r\n\r\n- [ ] Add DTO for clients without transformers - #1694\r\n- [x] #1597\r\n- [x] New Subscriptions API (nice to have) - #1596 \r\n- [ ] `trpc.output.snapshot()` https://github.com/trpc/trpc/issues/3435\r\n\r\n\r\n\r\n\r\n\r\n\u003Cdetails>\u003Csummary>Old notes\u003C/summary>\r\n\r\n## Definite\r\n\r\n- [x] Remove official support for node `12.x`\r\n - [x] Remove E2E-test for 12.x\r\n - [x] Change `tsconfig` build target\r\n- [ ] Add official support for node `16.x`\r\n- [ ] Add `stripInternal`-flag\r\n- [x] Remove all `@deprecated` stuff\r\n - [x] Remove `LegacyRouter` introduced in #915\r\n - [ ] [...]\r\n- [x] New links architecture (#1366)\r\n- [ ] Move official support for `react-query` `3` to `4`\r\n- [ ] Simplify HTTP-responses\r\n - [ ] From `{ id:null, result: {type: 'data', data: x } }` -> `{ result: { data: x } }`\r\n - [ ] maybe remove `id: null` from HTTP responses?\r\n- [ ] Migration guides for all changed parts\r\n - [ ] New Links\r\n\r\n\r\n## Maybe ❓ \r\n\r\n> Feedback please!\r\n\r\n\r\n- [x] Optimize so router inference only needs to be done once? #1218 \r\n- [ ] ~Update so procedures needs to return `{ data: x }` instead of just `x` so we could add metadata and potentially discriminated union of `{ data: x } | { error: y }` ~\r\n- [x] Decide: \r\n - Pipe-based rather than object resolvers? `{ input: z.string(), resolve({input}) {}}` -> `t.pipe(t.input(z.string), ({input}) => \r\n - Chained resolvers\r\n- [x] Plan how to deal with degrading typescript performance when approaching ~100 procedures (there are no runtime issues, but the DX slows down) \r\n- [ ] Turn `client.query` result into `[ output, { meta } ]`\r\n- [ ] New `useQuery()` API that expects suspense as default - See this gist: https://gist.github.com/KATT/aa1ad532d6e57520b942f657569e1505\r\n- [ ] Refactor `@trpc/server` to easier work with CloudFlare-workers etc (#1375)\r\n- [ ] Collaborate with Blitz.js? https://github.com/blitz-js/blitz/discussions/3083#discussioncomment-1841427\r\n- [ ] https://jsonapi.org/format/\r\n\r\n### Transformers\r\n\r\n- [x] Turn transformers into a link on the client (#1366)\r\n- [ ] Revert above and put transformers back to runtime 😬 \r\n- [ ] ~Turn transformers into a middleware on the server~\r\n- [ ] Make transformers dynamically opt-in similar to how a batch request is indicated by `?batch=1` maybe a transformed request could be `?transform=1` or `transform=TRANSFORMER_NAME`?\r\n\r\n### Misc\r\n\r\n- [ ] Rename `@trpc/react/ssg` -> `@trpc/react/ssr` & `createSSGHelpers` -> `createServerSideHelpers` (or something, as it is often used in `getServerSideProps()` as well as `getStaticProps()`)\r\n\r\n## Open questions\r\n\r\n- Should we continue to follow OpenRPC?\r\n- Any changes that could make tRPC easier to support stuff like Svelte/Vue?\r\n- Any changes that could make tRPC stricter support stuff like AWS Lambdas? (Already is doable to do Lambdas but through an Express->Lambda converter) #882 \r\n- Ideas?\r\n\r\n\r\n\r\n\u003C/details>",[2919,2922,2925],{"name":2920,"color":2921},"🙏 review please","A7356F",{"name":2923,"color":2924},"💸 Get paid!","c2e0c6",{"name":2926,"color":2927},"next-major/definite","5319E7",887,"[RFC] Next major overview","2022-12-19T22:11:47Z","https://github.com/trpc/trpc/issues/887",0.6843494,{"description":2934,"labels":2935,"number":2945,"owner":2860,"repository":2946,"state":2894,"title":2947,"updated_at":2948,"url":2949,"score":2950},"As of now trpc-openapi does not support sending a response using other Content-Types other than \"application/json\" is there any workaround for that? or i did something wrong here.",[2936,2939,2942],{"name":2937,"color":2938},"enhancement","a2eeef",{"name":2940,"color":2941},"blocked","000000",{"name":2943,"color":2944},"stale","FFFFFF",58,"trpc-openapi","Feat: Support for other `Content-Types`","2023-05-24T03:10:13Z","https://github.com/trpc/trpc-openapi/issues/58",0.6867813,{"description":2952,"labels":2953,"number":2958,"owner":2860,"repository":2860,"state":2894,"title":2959,"updated_at":2960,"url":2961,"score":2962},"**👉👉👉👉 Update:** For tRPC support of public-facing APIs, please use `trpc-openapi`: https://github.com/jlalmes/trpc-openapi\r\n\r\n\r\n---\r\n\r\nIt would be nice if there was a way to easily expose tRPC-endpoints as REST (or GraphQL) for people who want to use tRPC for a public API and is a bit more intuitive. Could potentially drive adoption a bit more.\r\n\r\nSee #752 for an example of what gets confusing.\r\n\r\n... been thinking a bit about it, but it's not obvious how it could work. \r\n\r\nMaybe doing some sort of API-builder... or something where you define your API schema which then does automatic mapping to tRPC. \r\n\r\nI'm also thinking that it might not be needed - `JSON.stringify(encodeURIComponent(x))` is hard when you toy around with manual API-requests, but it's not that bad when you're actually working with the API, as it's only needed once.\r\n\r\n## Current implementation, HTTP Methods \u003C-> Type mapping\r\n\r\n| HTTP Method | Mapping | Notes |\r\n| ----------- | ----------------- | ------------------------------------------------------------------------------------------------------ |\r\n| `GET` | `.query()` | Input JSON-stringified in query param.\u003Cbr/>_e.g._ `?input=${JSON.stringify(encodeURIComponent(input))` |\r\n| `POST` | `.mutation()` | Input as post body. | \r\n\r\n## Considerations with OpenAPI\r\n\r\n- Resources are usually `/{resource}/{id}?param1=x¶m2=y`-style - tRPC is [currently] with `{resource}?input=JSON.stringify(encodeURIComponent(input))`-style\r\n- JSON-RPC based response shape might not be the ideal response shape for OpenAPI\r\n- An output schema usually have a `$ref`-schema which would be possible to do automatically / first feature people would request is to make different paths request the same input type\r\n- Actually using zod or any other validation on a resolver's `output` would slow down API outputs.\r\n\r\n## Related\r\n\r\nhttps://github.com/trpc/trpc/discussions/271\r\n",[2954,2955],{"name":2903,"color":2904},{"name":2956,"color":2957},"💬 discussion","4B318A",755,"[RFC] Using tRPC for public-facing APIs (OpenAPI/Swagger/etc)","2022-06-19T00:48:45Z","https://github.com/trpc/trpc/issues/755",0.68751913,{"description":2964,"labels":2965,"number":2966,"owner":2860,"repository":2860,"state":2894,"title":2967,"updated_at":2968,"url":2969,"score":2970},"### Describe the feature you'd like to request\r\n\r\nI have many microservice projects using tRPC with Expressjs (like SSO, Order etc). \r\nSometimes they need call each other in backend by RPC.\r\n\r\nI try to init one @trpc/client and call the router in the other tRPC backend. And it works well, even though I can not get advantage of Typescript.\r\nIt is amazing. tPRC is totaly RPC.Not only Client-Server tRPC, but also Server-Server tRPC.\r\n\r\nmy question is:\r\nI need some guidance about the best practice of Server-Server(or microservice) tRPC and get the advantage of Typescript.\r\n\r\n### Describe the solution you'd like to see\r\n\r\n1. tRPC backends support micro service through RPC (or instead of gRPC).\r\n2. @trpc/client could init and call the router in the other tRPC backend (or through ETCD ZooKeeper). \r\n3. then get the advantage of Typescript.\r\n\r\n\r\n### Describe alternate solutions\r\n\r\n1. no createCaller, only router(query/mutate)\r\n2. when deploying a tRPC backend, deploy the appRouter.d.ts by the way\r\n3. appRouter.d.ts could import through HTTP or WS for the purpose of Typescript\r\n\r\n### Additional information\r\n\r\nI just could add some docs about my practice at the position of Backend Usage>Server Side Calls.\r\n\r\n### 👨👧👦 Contributing\r\n\r\n- [ ] 🙋♂️ Yes, I'd be down to file a PR implementing this feature!",[],4170,"feat: micro service support","2023-04-26T12:02:31Z","https://github.com/trpc/trpc/issues/4170",0.6882225,["Reactive",2972],{},["Set"],["ShallowReactive",2975],{"$fTRc1wZytZ_XrK4EfJfei_Sz-An4H4Yy6syhVxH_PVJc":-1,"$fn_dwFtvmLEuAqSuyUBaZDKUzgUCfW1UHx9vw5Q5ZQ7Q":-1},"/trpc/trpc-openapi/267"]