Angular Change Detection and array.includes

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Will this line be evaluated every time change detection runs even though the input is a hard-coded set of strings?

*ngSwitchCase="['abc', '123'].includes(item.field) ? "'test'" : ''"
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Henrik Bøgelund Lavstsen On

Short answer: Yes

Here is the source of the ngSwitchCase showing it doOnCheck hook checks if value is true.

https://github.com/angular/angular/blob/47ab069070c043c54c46f8ef9b37b14a25857939/packages/common/src/directives/ng_switch.ts#L230