SAP Spartacus CmsService的CmsActions.LoadCmsComponent
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SAP Spartacus CmsService的CmsActions.LoadCmsComponent
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在這個class的下列方法里加上console.log:
const loading$ = combineLatest([this.routingService.getNextPageContext(),this.store.pipe(select(CmsSelectors.componentsLoaderStateSelectorFactory(uid, context))),]).pipe(observeOn(queueScheduler),tap(([nextContext, loadingState]) => {const attemptedLoad =loadingState.loading || loadingState.success || loadingState.error;// if the requested context is the same as the one that's currently being navigated to// (as it might already been triggered and might be available shortly from page data)// TODO(issue:3649), TODO(issue:3668) - this optimization could be removedconst couldBeLoadedWithPageData = nextContext? serializePageContext(nextContext, true) === context: false;if (!attemptedLoad && !couldBeLoadedWithPageData) {console.log('baal try to load cp with uid: ' + uid+ 'context: ' + JSON.stringify(pageContext));this.store.dispatch(new CmsActions.LoadCmsComponent({ uid, pageContext }));}}));測試發現,在加載Spartacus首屏時,該方法(根據單個Component uid讀取數據)不會被調用:
但是選中某個具體的產品進入明細頁面后:
這個cmsActions來自:
import { CmsActions } from ‘…/store/actions/index’;
到cms-group.actions里具體查看action實現:
由三個action文件組成。
根據關鍵字 LoadCmsComponent和LOAD_CMS_COMPONENT搜索:
上圖loadComponent$負責加載。
調試結果:
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