feat(router): add prioritizedGuardValue operator optimization and allowing UrlTree return from guard #26478
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…owing UrlTree return from guard * If all guards return `true`, operator returns `true` * `false` and `UrlTree` are now both valid returns from a guard * Both these values wait for higher priority guards to resolve * Highest priority `false` or `UrlTree` value will be returned
jasonaden
added
action: merge
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You can preview 5583eb3 at https://pr26478-5583eb3.ngbuilds.io/. |
…and allowing UrlTree return from guard
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mhevery
added
the
merge: caretaker note
| OperatorFunction<Observable<boolean|UrlTree>[], boolean|UrlTree> { | ||
| return switchMap(obs => { | ||
| return combineLatest( | ||
| ...obs.map(o => o.pipe(take(1), startWith(INITIAL_VALUE as INTERIM_VALUES)))) |
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Nit: o => o.pipe(take(1), startWith(INITIAL_VALUE as INTERIM_VALUES))) could be pulled out into it's own static function for better performance and lower memory pressure. (Also might help readability)
| scan( | ||
| (acc: INTERIM_VALUES, list: INTERIM_VALUES[]) => { | ||
| let isPending = false; | ||
| return list.reduce((innerAcc, val, i: number) => { |
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Nit: The reducer function inside of here could be pulled out into it's own static function (like above)
| }, acc); | ||
| }, | ||
| INITIAL_VALUE), | ||
| filter(item => item !== INITIAL_VALUE), take(1)) as Observable<boolean|UrlTree>; |
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Nit: Adding a trailing comma will make clang format this cleaner.
…owing UrlTree return from guard (#26478) * If all guards return `true`, operator returns `true` * `false` and `UrlTree` are now both valid returns from a guard * Both these values wait for higher priority guards to resolve * Highest priority `false` or `UrlTree` value will be returned PR Close #26478
… and allowing UrlTree return from guard (angular#26478)" This was incorrectly merged to the 7.0.x patch version branch. This reverts commit d5fa4dc.
…owing UrlTree return from guard (angular#26478) * If all guards return `true`, operator returns `true` * `false` and `UrlTree` are now both valid returns from a guard * Both these values wait for higher priority guards to resolve * Highest priority `false` or `UrlTree` value will be returned PR Close angular#26478
…owing UrlTree return from guard (angular#26478) * If all guards return `true`, operator returns `true` * `false` and `UrlTree` are now both valid returns from a guard * Both these values wait for higher priority guards to resolve * Highest priority `false` or `UrlTree` value will be returned PR Close angular#26478
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true, operator returnstruefalseandUrlTreeare now both valid returns from a guardfalseorUrlTreevalue will be returned