{
  "id": "api/router/PreloadingStrategy",
  "title": "PreloadingStrategy",
  "contents": "\n\n<article>\n  <div class=\"breadcrumb-container\">\n    <div class=\"breadcrumb\">\n      <script type=\"application/ld+json\">\n        {\n          \"@context\": \"http://schema.org\",\n          \"@type\": \"BreadcrumbList\",\n          \"itemListElement\": [\n            { \"@type\": \"ListItem\", \"position\": 1, \"item\": { \"@id\": \"https://angular.io//api\", \"name\": \"API\" } },\n            { \"@type\": \"ListItem\", \"position\": 2, \"item\": { \"@id\": \"https://angular.io/api/router\", \"name\": \"@angular/router\" } },\n            { \"@type\": \"ListItem\", \"position\": 3, \"item\": { \"@id\": \"https://angular.io/api/router/PreloadingStrategy\", \"name\": \"PreloadingStrategy\" } }\n          ]\n        }\n      </script>\n        <a href=\"/api\">API</a> > <a href=\"api/router\">@angular/router</a>\n    </div>\n    <div class=\"github-links\">\n  <a href=\"https://github.com/angular/angular/edit/master/packages/router/src/router_preloader.ts?message=docs(router)%3A%20describe%20your%20change...#L17-L28\" aria-label=\"Suggest Edits\" title=\"Suggest Edits\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">mode_edit</i></a>\n  <a href=\"https://github.com/angular/angular/tree/12.0.0-next.7/packages/router/src/router_preloader.ts#L17-L28\" aria-label=\"View Source\" title=\"View Source\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">code</i></a>\n</div>\n  </div>\n  \n  <header class=\"api-header\">\n    <h1 id=\"preloadingstrategy\">PreloadingStrategy<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/PreloadingStrategy#preloadingstrategy\"><i class=\"material-icons\">link</i></a></h1>\n    \n    <label class=\"api-type-label class\">class</label>\n    \n    \n    \n  </header>\n  \n  <aio-toc class=\"embedded\"></aio-toc>\n\n  <div class=\"api-body\">\n    \n  <section class=\"short-description\">\n    <p>Provides a preloading strategy.</p>\n\n    \n  </section>\n  \n  \n  \n  <section class=\"class-overview\">\n<code-example language=\"ts\" hidecopy=\"true\">\nabstract class <a href=\"api/router/PreloadingStrategy\" class=\"code-anchor\">PreloadingStrategy</a> {\n  <a class=\"code-anchor\" href=\"api/router/PreloadingStrategy#preload\">abstract <span class=\"member-name\">preload</span>(route: Route, fn: () => Observable&#x3C;any>): Observable&#x3C;any></a>\n}\n</code-example>\n\n  \n  \n  <div class=\"descendants class\">\n    <h2 id=\"subclasses\">Subclasses<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/PreloadingStrategy#subclasses\"><i class=\"material-icons\">link</i></a></h2>\n    \n\n<ul>\n  \n    <li>\n      <code><a href=\"api/router/NoPreloading\" class=\"code-anchor\">NoPreloading</a></code>\n      \n\n\n    </li>\n  \n    <li>\n      <code><a href=\"api/router/PreloadAllModules\" class=\"code-anchor\">PreloadAllModules</a></code>\n      \n\n\n    </li>\n  \n</ul>\n\n\n  </div>\n  \n\n</section>\n\n\n  \n\n  \n  \n  \n\n\n\n\n\n\n\n\n\n\n\n\n<section class=\"instance-methods\">\n  <h2 id=\"methods\">Methods<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/PreloadingStrategy#methods\"><i class=\"material-icons\">link</i></a></h2>\n  \n    <a id=\"preload\"></a>\n<table class=\"is-full-width method-table instance-method\">\n  <thead><tr><th>\n    <div class=\"with-github-links\">\n    <h3 id=\"preload\">\n      preload()\n      \n    <a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/PreloadingStrategy#preload\"><i class=\"material-icons\">link</i></a></h3>\n    <div class=\"github-links\">\n  <a href=\"https://github.com/angular/angular/edit/master/packages/router/src/router_preloader.ts?message=docs(router)%3A%20describe%20your%20change...#L27-L27\" aria-label=\"Suggest Edits\" title=\"Suggest Edits\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">mode_edit</i></a>\n  <a href=\"https://github.com/angular/angular/tree/12.0.0-next.7/packages/router/src/router_preloader.ts#L27-L27\" aria-label=\"View Source\" title=\"View Source\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">code</i></a>\n</div>\n    </div>\n  </th></tr></thead>\n  <tbody>\n    \n  \n    <tr>\n      <td>\n        <div class=\"overload-info\">\n  \n\n  <code-example language=\"ts\" hidecopy=\"true\" class=\"no-box api-heading\">abstract <span class=\"member-name\">preload</span>(route: Route, fn: () => Observable&#x3C;any>): Observable&#x3C;any></code-example>\n\n  \n\n  <h6 class=\"no-anchor\" id=\"parameters\">Parameters</h6>\n  <table class=\"is-full-width list-table parameters-table instance-method-overload-parameters\">\n  <tbody>\n  \n    <tr class=\"instance-method-overload-parameter\">\n      <td class=\"param-name\">\n        <a id=\"\"></a>\n        <code>route</code>\n      </td>\n      <td class=\"param-type\"><code><a href=\"api/router/Route\" class=\"code-anchor\">Route</a></code></td>\n      <td class=\"param-description\">\n                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        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                                                                                                                                                                            \n      </td>\n    </tr>\n    <tr class=\"instance-method-overload-parameter\">\n      <td class=\"param-name\">\n        <a id=\"\"></a>\n        <code>fn</code>\n      </td>\n      <td class=\"param-type\"><code>() => Observable<any></any></code></td>\n      <td class=\"param-description\">\n                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               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                                                                                                                                                                                                                                                                                                                                                                                                                                                                     \n      </td>\n    </tr>\n  </tbody>\n</table>\n\n  \n  <h6 class=\"no-anchor\" id=\"returns\">Returns</h6>\n  <p><code>Observable&#x3C;any></code></p>\n\n  \n\n\n  \n\n  \n</div>\n      </td>\n    </tr>\n  \n\n  \n\n  \n    </tbody>\n</table>\n\n  \n</section>\n\n\n\n  \n\n\n  </div>\n</article>\n\n<!-- links to this doc:\n - api/router\n - api/router/NoPreloading\n - api/router/PreloadAllModules\n - api/router/testing/RouterTestingModule\n - guide/router-tutorial-toh\n-->\n<!-- links from this doc:\n - /api\n - api/router\n - api/router/NoPreloading\n - api/router/PreloadAllModules\n - api/router/PreloadingStrategy#methods\n - api/router/PreloadingStrategy#preload\n - api/router/PreloadingStrategy#preloadingstrategy\n - api/router/PreloadingStrategy#subclasses\n - api/router/Route\n - https://github.com/angular/angular/edit/master/packages/router/src/router_preloader.ts?message=docs(router)%3A%20describe%20your%20change...#L17-L28\n - https://github.com/angular/angular/edit/master/packages/router/src/router_preloader.ts?message=docs(router)%3A%20describe%20your%20change...#L27-L27\n - https://github.com/angular/angular/tree/12.0.0-next.7/packages/router/src/router_preloader.ts#L17-L28\n - https://github.com/angular/angular/tree/12.0.0-next.7/packages/router/src/router_preloader.ts#L27-L27\n-->"
}