Router typos (#2523)
* Fixed typo which was referring to 'imports' section and not 'setup' section * Fixed 1 char typo: /he *Cancel/the *Cancel/ * Fixed broken link: router.html#optional-route-parameter (added an 's' to 'parameter') * corrected grammar: /affords/afford/ * Fixed typo: /moved them/move them/
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@ -779,7 +779,7 @@ code-example(format="." language="bash").
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the value `15` in the path clearly distinguishes the route to "Magneta" from
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a route for some other hero.
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An [optional-route-parameter](#optional-route-parameter) might be a better choice if we were passing an *optional* value to `HeroDetailComponent`.
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An [optional-route-parameter](#optional-route-parameters) might be a better choice if we were passing an *optional* value to `HeroDetailComponent`.
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a#navigate
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:marked
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@ -986,7 +986,7 @@ figure.image-display
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doing so greatly complicates the pattern matching required to translate an incoming URL to a named route.
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Optional parameters are the ideal vehicle for conveying arbitrarily complex information during navigation.
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Optional parameters aren't involved in pattern matching and affords enormous flexibility of expression.
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Optional parameters aren't involved in pattern matching and afford enormous flexibility of expression.
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The Router supports navigation with optional parameters as well as required route parameters.
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We define _optional_ parameters in an *object* after we define our required route parameters.
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@ -1817,7 +1817,7 @@ h3#can-deactivate-guard <i>CanDeactivate</i>: handling unsaved changes
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Users update crisis information in the `CrisisDetailComponent`.
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Unlike the `HeroDetailComponent`, the user changes do not update the
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crisis entity immediately. We update the entity when the user presses the *Save* button.
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We discard the changes if the user presses he *Cancel* button.
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We discard the changes if the user presses the *Cancel* button.
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Both buttons navigate back to the crisis list after save or cancel.
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@ -1922,7 +1922,7 @@ h3#resolve-guard <i>Resolve</i>: pre-fetching component data
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+makeExample('app/crisis-center/crisis-detail-resolve.service.ts', '')
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:marked
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We'll take the relevant parts of the `ngOnInit` lifecycle hook in our `CrisisDetailComponent` and moved them into our `CrisisDetailResolve` guard.
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We'll take the relevant parts of the `ngOnInit` lifecycle hook in our `CrisisDetailComponent` and move them into our `CrisisDetailResolve` guard.
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We import the `Crisis` model and `CrisisService` and also the `Router` for navigation from our resolve implementation. We want to be explicit about
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the data we are resolving, so we implement the `Resolve` interface with a type of `Crisis`. This lets us know that what we will resolve will match our
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`Crisis` model. We inject the `CrisisService` and `Router` and implement the `resolve` method that supports a `Promise`, `Observable` or a synchronous
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