{ "id": "api/router/UrlHandlingStrategy", "title": "UrlHandlingStrategy", "contents": "\n\n
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UrlHandlingStrategylink

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Provides a way to migrate AngularJS applications to Angular.

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\n\nabstract class UrlHandlingStrategy {\n abstract shouldProcessUrl(url: UrlTree): boolean\n abstract extract(url: UrlTree): UrlTree\n abstract merge(newUrlPart: UrlTree, rawUrl: UrlTree): UrlTree\n}\n\n\n \n \n\n
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Methodslink

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\n shouldProcessUrl()\n \n link

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Tells the router if this URL should be processed.

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\n \n\n abstract shouldProcessUrl(url: UrlTree): boolean\n\n \n\n
Parameters
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\n \n url\n UrlTree\n \n \n
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Returns
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boolean

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When it returns true, the router will execute the regular navigation.\nWhen it returns false, the router will set the router state to an empty state.\nAs a result, all the active components will be destroyed.

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\n extract()\n \n link

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Extracts the part of the URL that should be handled by the router.\nThe rest of the URL will remain untouched.

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\n \n\n abstract extract(url: UrlTree): UrlTree\n\n \n\n
Parameters
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\n \n url\n UrlTree\n \n \n
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Returns
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UrlTree

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\n merge()\n \n link

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Merges the URL fragment with the rest of the URL.

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\n \n\n abstract merge(newUrlPart: UrlTree, rawUrl: UrlTree): UrlTree\n\n \n\n
Parameters
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\n \n newUrlPart\n UrlTree\n \n \n
\n \n rawUrl\n UrlTree\n \n \n
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Returns
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UrlTree

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