0.9.0 (7) - Changes to Data Transport #223
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phryneas
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I think this is ready for review now :) |
phryneas
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Mar 6, 2024
Comment on lines
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| const streamObservable = new Observable< | ||
| Exclude<QueryEvent, { type: "started" }> | ||
| >((subscriber) => { | ||
| const { markResult, markError, markReady } = queryInfo; | ||
| queryInfo.markResult = function (result: FetchResult<any>) { | ||
| subscriber.next({ | ||
| type: "data", | ||
| id, | ||
| result: result, | ||
| }); | ||
| return markResult.apply(queryInfo, arguments as any); | ||
| }; | ||
| queryInfo.markError = function () { | ||
| subscriber.next({ | ||
| type: "error", | ||
| id, | ||
| }); | ||
| subscriber.complete(); | ||
| return markError.apply(queryInfo, arguments as any); | ||
| }; | ||
| queryInfo.markReady = function () { | ||
| subscriber.next({ | ||
| type: "complete", | ||
| id, | ||
| }); | ||
| subscriber.complete(); | ||
| return markReady.apply(queryInfo, arguments as any); | ||
| }; | ||
| }); |
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If someone has a better idea how to tap into link data events instead of wrapping queryInfo functions, I'm all ears. This is the best I could come up with.
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jerelmiller
approved these changes
Mar 12, 2024
packages/client-react-streaming/src/DataTransportAbstraction/WrappedApolloClient.tsx
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Comment on lines
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102
| const streamObservable = new Observable< | ||
| Exclude<QueryEvent, { type: "started" }> | ||
| >((subscriber) => { | ||
| const { markResult, markError, markReady } = queryInfo; | ||
| queryInfo.markResult = function (result: FetchResult<any>) { | ||
| subscriber.next({ | ||
| type: "data", | ||
| id, | ||
| result: result, | ||
| }); | ||
| return markResult.apply(queryInfo, arguments as any); | ||
| }; | ||
| queryInfo.markError = function () { | ||
| subscriber.next({ | ||
| type: "error", | ||
| id, | ||
| }); | ||
| subscriber.complete(); | ||
| return markError.apply(queryInfo, arguments as any); | ||
| }; | ||
| queryInfo.markReady = function () { | ||
| subscriber.next({ | ||
| type: "complete", | ||
| id, | ||
| }); | ||
| subscriber.complete(); | ||
| return markReady.apply(queryInfo, arguments as any); | ||
| }; | ||
| }); |
…rappedApolloClient.tsx Co-authored-by: Jerel Miller <[email protected]>
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As I don't want to change the shape of the DataTransportAbstraction immediately after we released it for the first time, this one would also need to go into 0.9.0.
This switches from two very separate "request started" and "request finished" events to a stream of events with a shared identifier between queries.
This has the benefit that in the future we can easily track which events are still "unhandled", e.g. for keeping the connection open for longer.
Also, for the first time we detect & communicate errors that happened in SSR to the browser, to restart queries there immediately.
As a positive side-effect of having a "query identifier", the query document is sent only once, not twice over. That already plays a bit into #210.
(Technically, it's sent one more time per hook, so we're down from three times to two).