@ionic/angular
Version:
Angular specific wrappers for @ionic/core
55 lines • 5.54 kB
JavaScript
/**
* Provides a way to customize when activated routes get reused.
*/
export class IonicRouteStrategy {
/**
* Whether the given route should detach for later reuse.
*/
shouldDetach(_route) {
return false;
}
/**
* Returns `false`, meaning the route (and its subtree) is never reattached
*/
shouldAttach(_route) {
return false;
}
/**
* A no-op; the route is never stored since this strategy never detaches routes for later re-use.
*/
store(_route, _detachedTree) {
return;
}
/**
* Returns `null` because this strategy does not store routes for later re-use.
*/
retrieve(_route) {
return null;
}
/**
* Determines if a route should be reused.
* This strategy returns `true` when the future route config and
* current route config are identical and all route parameters are identical.
*/
shouldReuseRoute(future, curr) {
if (future.routeConfig !== curr.routeConfig) {
return false;
}
// checking router params
const futureParams = future.params;
const currentParams = curr.params;
const keysA = Object.keys(futureParams);
const keysB = Object.keys(currentParams);
if (keysA.length !== keysB.length) {
return false;
}
// Test for A's keys different from B.
for (const key of keysA) {
if (currentParams[key] !== futureParams[key]) {
return false;
}
}
return true;
}
}
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