source: trip-planner-front/node_modules/@angular/router/esm2015/src/create_router_state.js@ 59329aa

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { BehaviorSubject } from 'rxjs';
import { ActivatedRoute, RouterState } from './router_state';
import { TreeNode } from './utils/tree';
export function createRouterState(routeReuseStrategy, curr, prevState) {
    const root = createNode(routeReuseStrategy, curr._root, prevState ? prevState._root : undefined);
    return new RouterState(root, curr);
}
function createNode(routeReuseStrategy, curr, prevState) {
    // reuse an activated route that is currently displayed on the screen
    if (prevState && routeReuseStrategy.shouldReuseRoute(curr.value, prevState.value.snapshot)) {
        const value = prevState.value;
        value._futureSnapshot = curr.value;
        const children = createOrReuseChildren(routeReuseStrategy, curr, prevState);
        return new TreeNode(value, children);
    }
    else {
        if (routeReuseStrategy.shouldAttach(curr.value)) {
            // retrieve an activated route that is used to be displayed, but is not currently displayed
            const detachedRouteHandle = routeReuseStrategy.retrieve(curr.value);
            if (detachedRouteHandle !== null) {
                const tree = detachedRouteHandle.route;
                setFutureSnapshotsOfActivatedRoutes(curr, tree);
                return tree;
            }
        }
        const value = createActivatedRoute(curr.value);
        const children = curr.children.map(c => createNode(routeReuseStrategy, c));
        return new TreeNode(value, children);
    }
}
function setFutureSnapshotsOfActivatedRoutes(curr, result) {
    if (curr.value.routeConfig !== result.value.routeConfig) {
        throw new Error('Cannot reattach ActivatedRouteSnapshot created from a different route');
    }
    if (curr.children.length !== result.children.length) {
        throw new Error('Cannot reattach ActivatedRouteSnapshot with a different number of children');
    }
    result.value._futureSnapshot = curr.value;
    for (let i = 0; i < curr.children.length; ++i) {
        setFutureSnapshotsOfActivatedRoutes(curr.children[i], result.children[i]);
    }
}
function createOrReuseChildren(routeReuseStrategy, curr, prevState) {
    return curr.children.map(child => {
        for (const p of prevState.children) {
            if (routeReuseStrategy.shouldReuseRoute(child.value, p.value.snapshot)) {
                return createNode(routeReuseStrategy, child, p);
            }
        }
        return createNode(routeReuseStrategy, child);
    });
}
function createActivatedRoute(c) {
    return new ActivatedRoute(new BehaviorSubject(c.url), new BehaviorSubject(c.params), new BehaviorSubject(c.queryParams), new BehaviorSubject(c.fragment), new BehaviorSubject(c.data), c.outlet, c.component, c);
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"create_router_state.js","sourceRoot":"","sources":["../../../../../../packages/router/src/create_router_state.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,eAAe,EAAC,MAAM,MAAM,CAAC;AAGrC,OAAO,EAAC,cAAc,EAA0B,WAAW,EAAsB,MAAM,gBAAgB,CAAC;AACxG,OAAO,EAAC,QAAQ,EAAC,MAAM,cAAc,CAAC;AAEtC,MAAM,UAAU,iBAAiB,CAC7B,kBAAsC,EAAE,IAAyB,EACjE,SAAsB;IACxB,MAAM,IAAI,GAAG,UAAU,CAAC,kBAAkB,EAAE,IAAI,CAAC,KAAK,EAAE,SAAS,CAAC,CAAC,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,CAAC,SAAS,CAAC,CAAC;IACjG,OAAO,IAAI,WAAW,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;AACrC,CAAC;AAED,SAAS,UAAU,CACf,kBAAsC,EAAE,IAAsC,EAC9E,SAAoC;IACtC,qEAAqE;IACrE,IAAI,SAAS,IAAI,kBAAkB,CAAC,gBAAgB,CAAC,IAAI,CAAC,KAAK,EAAE,SAAS,CAAC,KAAK,CAAC,QAAQ,CAAC,EAAE;QAC1F,MAAM,KAAK,GAAG,SAAS,CAAC,KAAK,CAAC;QAC9B,KAAK,CAAC,eAAe,GAAG,IAAI,CAAC,KAAK,CAAC;QACnC,MAAM,QAAQ,GAAG,qBAAqB,CAAC,kBAAkB,EAAE,IAAI,EAAE,SAAS,CAAC,CAAC;QAC5E,OAAO,IAAI,QAAQ,CAAiB,KAAK,EAAE,QAAQ,CAAC,CAAC;KACtD;SAAM;QACL,IAAI,kBAAkB,CAAC,YAAY,CAAC,IAAI,CAAC,KAAK,CAAC,EAAE;YAC/C,2FAA2F;YAC3F,MAAM,mBAAmB,GAAG,kBAAkB,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;YACpE,IAAI,mBAAmB,KAAK,IAAI,EAAE;gBAChC,MAAM,IAAI,GAAI,mBAAmD,CAAC,KAAK,CAAC;gBACxE,mCAAmC,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;gBAChD,OAAO,IAAI,CAAC;aACb;SACF;QAED,MAAM,KAAK,GAAG,oBAAoB,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;QAC/C,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,UAAU,CAAC,kBAAkB,EAAE,CAAC,CAAC,CAAC,CAAC;QAC3E,OAAO,IAAI,QAAQ,CAAiB,KAAK,EAAE,QAAQ,CAAC,CAAC;KACtD;AACH,CAAC;AAED,SAAS,mCAAmC,CACxC,IAAsC,EAAE,MAAgC;IAC1E,IAAI,IAAI,CAAC,KAAK,CAAC,WAAW,KAAK,MAAM,CAAC,KAAK,CAAC,WAAW,EAAE;QACvD,MAAM,IAAI,KAAK,CAAC,uEAAuE,CAAC,CAAC;KAC1F;IACD,IAAI,IAAI,CAAC,QAAQ,CAAC,MAAM,KAAK,MAAM,CAAC,QAAQ,CAAC,MAAM,EAAE;QACnD,MAAM,IAAI,KAAK,CAAC,4EAA4E,CAAC,CAAC;KAC/F;IACD,MAAM,CAAC,KAAK,CAAC,eAAe,GAAG,IAAI,CAAC,KAAK,CAAC;IAC1C,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,QAAQ,CAAC,MAAM,EAAE,EAAE,CAAC,EAAE;QAC7C,mCAAmC,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC,CAAC,EAAE,MAAM,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,CAAC;KAC3E;AACH,CAAC;AAED,SAAS,qBAAqB,CAC1B,kBAAsC,EAAE,IAAsC,EAC9E,SAAmC;IACrC,OAAO,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE;QAC/B,KAAK,MAAM,CAAC,IAAI,SAAS,CAAC,QAAQ,EAAE;YAClC,IAAI,kBAAkB,CAAC,gBAAgB,CAAC,KAAK,CAAC,KAAK,EAAE,CAAC,CAAC,KAAK,CAAC,QAAQ,CAAC,EAAE;gBACtE,OAAO,UAAU,CAAC,kBAAkB,EAAE,KAAK,EAAE,CAAC,CAAC,CAAC;aACjD;SACF;QACD,OAAO,UAAU,CAAC,kBAAkB,EAAE,KAAK,CAAC,CAAC;IAC/C,CAAC,CAAC,CAAC;AACL,CAAC;AAED,SAAS,oBAAoB,CAAC,CAAyB;IACrD,OAAO,IAAI,cAAc,CACrB,IAAI,eAAe,CAAC,CAAC,CAAC,GAAG,CAAC,EAAE,IAAI,eAAe,CAAC,CAAC,CAAC,MAAM,CAAC,EAAE,IAAI,eAAe,CAAC,CAAC,CAAC,WAAW,CAAC,EAC7F,IAAI,eAAe,CAAC,CAAC,CAAC,QAAQ,CAAC,EAAE,IAAI,eAAe,CAAC,CAAC,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC,MAAM,EAAE,CAAC,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC;AAC9F,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {BehaviorSubject} from 'rxjs';\n\nimport {DetachedRouteHandleInternal, RouteReuseStrategy} from './route_reuse_strategy';\nimport {ActivatedRoute, ActivatedRouteSnapshot, RouterState, RouterStateSnapshot} from './router_state';\nimport {TreeNode} from './utils/tree';\n\nexport function createRouterState(\n    routeReuseStrategy: RouteReuseStrategy, curr: RouterStateSnapshot,\n    prevState: RouterState): RouterState {\n  const root = createNode(routeReuseStrategy, curr._root, prevState ? prevState._root : undefined);\n  return new RouterState(root, curr);\n}\n\nfunction createNode(\n    routeReuseStrategy: RouteReuseStrategy, curr: TreeNode<ActivatedRouteSnapshot>,\n    prevState?: TreeNode<ActivatedRoute>): TreeNode<ActivatedRoute> {\n  // reuse an activated route that is currently displayed on the screen\n  if (prevState && routeReuseStrategy.shouldReuseRoute(curr.value, prevState.value.snapshot)) {\n    const value = prevState.value;\n    value._futureSnapshot = curr.value;\n    const children = createOrReuseChildren(routeReuseStrategy, curr, prevState);\n    return new TreeNode<ActivatedRoute>(value, children);\n  } else {\n    if (routeReuseStrategy.shouldAttach(curr.value)) {\n      // retrieve an activated route that is used to be displayed, but is not currently displayed\n      const detachedRouteHandle = routeReuseStrategy.retrieve(curr.value);\n      if (detachedRouteHandle !== null) {\n        const tree = (detachedRouteHandle as DetachedRouteHandleInternal).route;\n        setFutureSnapshotsOfActivatedRoutes(curr, tree);\n        return tree;\n      }\n    }\n\n    const value = createActivatedRoute(curr.value);\n    const children = curr.children.map(c => createNode(routeReuseStrategy, c));\n    return new TreeNode<ActivatedRoute>(value, children);\n  }\n}\n\nfunction setFutureSnapshotsOfActivatedRoutes(\n    curr: TreeNode<ActivatedRouteSnapshot>, result: TreeNode<ActivatedRoute>): void {\n  if (curr.value.routeConfig !== result.value.routeConfig) {\n    throw new Error('Cannot reattach ActivatedRouteSnapshot created from a different route');\n  }\n  if (curr.children.length !== result.children.length) {\n    throw new Error('Cannot reattach ActivatedRouteSnapshot with a different number of children');\n  }\n  result.value._futureSnapshot = curr.value;\n  for (let i = 0; i < curr.children.length; ++i) {\n    setFutureSnapshotsOfActivatedRoutes(curr.children[i], result.children[i]);\n  }\n}\n\nfunction createOrReuseChildren(\n    routeReuseStrategy: RouteReuseStrategy, curr: TreeNode<ActivatedRouteSnapshot>,\n    prevState: TreeNode<ActivatedRoute>) {\n  return curr.children.map(child => {\n    for (const p of prevState.children) {\n      if (routeReuseStrategy.shouldReuseRoute(child.value, p.value.snapshot)) {\n        return createNode(routeReuseStrategy, child, p);\n      }\n    }\n    return createNode(routeReuseStrategy, child);\n  });\n}\n\nfunction createActivatedRoute(c: ActivatedRouteSnapshot) {\n  return new ActivatedRoute(\n      new BehaviorSubject(c.url), new BehaviorSubject(c.params), new BehaviorSubject(c.queryParams),\n      new BehaviorSubject(c.fragment), new BehaviorSubject(c.data), c.outlet, c.component, c);\n}\n"]}