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PanelRenderer: Improves PanelRenderer performance (#51092)

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* PanelRenderer: Improves PanelRenderer performance

* Minor refactor

* remove old func
This commit is contained in:
Torkel Ödegaard
2022-06-20 14:41:39 +02:00
committed by GitHub
parent 694fd1c37b
commit 3a586a6053
4 changed files with 45 additions and 30 deletions
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30
public/app/features/plugins/importPanelPlugin.ts
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@@ -1,16 +1,15 @@
import * as grafanaData from '@grafana/data';
import { PanelPlugin, PanelPluginMeta } from '@grafana/data';
import config from 'app/core/config';
import { getPanelPluginLoadError } from '../panel/components/PanelPluginError';
import { importPluginModule } from './plugin_loader';
interface PanelCache {
[key: string]: Promise<grafanaData.PanelPlugin>;
}
const panelCache: PanelCache = {};
export function importPanelPlugin(id: string): Promise<grafanaData.PanelPlugin> {
const loaded = panelCache[id];
const promiseCache: Record<string, Promise<PanelPlugin>> = {};
const panelPluginCache: Record<string, PanelPlugin> = {};
export function importPanelPlugin(id: string): Promise<PanelPlugin> {
const loaded = promiseCache[id];
if (loaded) {
return loaded;
}
@@ -21,22 +20,26 @@ export function importPanelPlugin(id: string): Promise<grafanaData.PanelPlugin>
throw new Error(`Plugin ${id} not found`);
}
panelCache[id] = getPanelPlugin(meta);
promiseCache[id] = getPanelPlugin(meta);
return panelCache[id];
return promiseCache[id];
}
export function importPanelPluginFromMeta(meta: grafanaData.PanelPluginMeta): Promise<grafanaData.PanelPlugin> {
export function importPanelPluginFromMeta(meta: PanelPluginMeta): Promise<PanelPlugin> {
return getPanelPlugin(meta);
}
function getPanelPlugin(meta: grafanaData.PanelPluginMeta): Promise<grafanaData.PanelPlugin> {
export function syncGetPanelPlugin(id: string): PanelPlugin | undefined {
return panelPluginCache[id];
}
function getPanelPlugin(meta: PanelPluginMeta): Promise<PanelPlugin> {
return importPluginModule(meta.module, meta.info?.version)
.then((pluginExports) => {
if (pluginExports.plugin) {
return pluginExports.plugin as grafanaData.PanelPlugin;
return pluginExports.plugin as PanelPlugin;
} else if (pluginExports.PanelCtrl) {
const plugin = new grafanaData.PanelPlugin(null);
const plugin = new PanelPlugin(null);
plugin.angularPanelCtrl = pluginExports.PanelCtrl;
return plugin;
}
@@ -44,6 +47,7 @@ function getPanelPlugin(meta: grafanaData.PanelPluginMeta): Promise<grafanaData.
})
.then((plugin) => {
plugin.meta = meta;
panelPluginCache[meta.id] = plugin;
return plugin;
})
.catch((err) => {