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perf(platform-browser): only append style element on creation #52237

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perf(platform-browser): only append style element on creation #52237

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5 changes: 3 additions & 2 deletions packages/platform-browser/src/dom/shared_styles_host.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,7 @@ export class SharedStylesHost implements OnDestroy {
if (existingStyleElement) {
return existingStyleElement;
}

const styleNodesInDOM = this.styleNodesInDOM;
const styleEl = styleNodesInDOM?.get(style);
if (styleEl?.parentNode === host) {
Expand Down Expand Up @@ -166,6 +167,8 @@ export class SharedStylesHost implements OnDestroy {
styleEl.setAttribute(APP_ID_ATTRIBUTE_NAME, this.appId);
}

host.appendChild(styleEl);

return styleEl;
}
}
Expand All @@ -175,8 +178,6 @@ export class SharedStylesHost implements OnDestroy {
const styleResult = styleRef.get(style)!; // This will always be defined in `changeUsageCount`
const styleEl = this.getStyleElement(host, style, styleResult.elements);

host.appendChild(styleEl);

if (styleResult.usage === 0) {
disableStylesheet(styleEl);
} else {
Expand Down