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Live: move centrifuge service to a web worker (#41090)

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* Fix: make webpack pickup workers written in TS

* Add comlink to dependencies

* Temporary fix: copy paste `toDataQueryError` from @grafana/runtime to avoid web dependencies

* Implemented comlink-based centrifuge worker & worker proxy

* Temporary fix: implement comlink transferHandlers for subscriptions and streamingdataframes

* Move liveTimer filtering from CentrifugeService into GrafanaLiveService

* Switch from CentrifugeService to CentrifugeServiceWorkerProxy in GrafanaLive

* Naming fix

* Refactor: move liveTimer-based data filtering from GrafanaLiveService to CentrifugeServiceWorker

* observe dataStream on an async scheduler

* Fix: - Unsubscribe is now propagated from the main thread to the worker, - improve worker&workerProxy types

* Fix: Prettify types

* Fix: Add error & complete observers

* Docs: Add comment explaining the `subscriberTransferHandler`

* Fix: Replace `StreamingDataFrameHandler` with explicitly converting StreamingDataFrame to a DataFrameDTO

* Refactor: move liveTimer filtering to service.ts to make it easy to implement a `live-service-web-worker` feature flag

* Feat: add `live-service-web-worker` feature flag

* Fix: extract toDataQueryError.ts to a separate file within `@grafana-runtime` to avoid having a dependency from webworker to the whole package (@grafana-runtime/index.ts)

* Update public/app/features/dashboard/dashgrid/liveTimer.ts

Co-authored-by: Leon Sorokin <leeoniya@gmail.com>

* Fix: fixed default import class in worker file

* Fix: cast worker as Endpoint

* Migrate from worker-loader to webpack native worker support v1 - broken prod build

* Fix: Use custom path in HtmlWebpackPlugin

* Fix: Loading workers from CDNs

* Fix: Avoid issues with jest ESM support by mocking `createWorker` files

* Fix: move the custom mockWorker rendering layout to `test/mocks`

Co-authored-by: Leon Sorokin <leeoniya@gmail.com>
This commit is contained in:
Artur Wierzbicki
2021-11-09 21:05:01 +04:00
committed by GitHub
parent e2ed140de2
commit f45eb309ef
23 changed files with 387 additions and 92 deletions
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12
scripts/webpack/webpack.common.js
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@ -1,7 +1,7 @@
const fs = require('fs-extra');
const path = require('path');
const webpack = require('webpack');
const CorsWorkerPlugin = require('./plugins/CorsWorkerPlugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
class CopyUniconsPlugin {
@ -58,6 +58,7 @@ module.exports = {
source: false,
},
plugins: [
new CorsWorkerPlugin(),
new webpack.ProvidePlugin({
Buffer: ['buffer', 'Buffer'],
}),
@ -124,15 +125,6 @@ module.exports = {
loader: 'file-loader',
options: { name: 'static/img/[name].[hash:8].[ext]' },
},
{
test: /\.worker\.js$/,
use: {
loader: 'worker-loader',
options: {
inline: 'fallback',
},
},
},
],
},
// https://webpack.js.org/plugins/split-chunks-plugin/#split-chunks-example-3