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Pawel Kozlowski fab1af764d perf(docs-infra): remove usage of the NgClass directive (#48312)
NgClass has non-negligable performance cost, especially if a
different object is provided as NgClass input (which was the case
for the NavItemComponent). The perfornace problem was noticed
in the scope of the INP score investigations while profiling the
https://angular.io/resources page. On this particular page replacing
NgClass usage with alternatives results in 20x (!) runtime perf
improvement. Such big improvement is possible since we avoid unneeded
CSS classes removal / adding in the DOM.

Part of #25518

PR Close #48312
2022-12-02 08:58:20 -08:00
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2022-11-22 13:51:19 -07:00
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