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perf(ivy): extract multiple reads to local var (#30453) 

PR Close #30453
This commit is contained in:
Misko Hevery 2019-05-14 21:34:47 -07:00 committed by Jason Aden
parent 300f1b289a
commit 2545445ffb
1 changed files with 4 additions and 3 deletions
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7
packages/core/src/render3/instructions/element.ts
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@ -78,12 +78,13 @@ export function ɵɵelementStart(
// instantiated into a context per element)
setNodeStylingTemplate(tView, tNode, attrs, lastAttrIndex);
if (tNode.stylingTemplate) {
const stylingTemplate = tNode.stylingTemplate;
if (stylingTemplate) {
// the initial style/class values are rendered immediately after having been
// initialized into the context so the element styling is ready when directives
// are initialized (since they may read style/class values in their constructor)
initialStylesIndex = renderInitialStyles(native, tNode.stylingTemplate, renderer);
initialClassesIndex = renderInitialClasses(native, tNode.stylingTemplate, renderer);
initialStylesIndex = renderInitialStyles(native, stylingTemplate, renderer);
initialClassesIndex = renderInitialClasses(native, stylingTemplate, renderer);
}
}