@angular/router
Version:
Angular - the routing library
76 lines (75 loc) • 11.5 kB
JavaScript
/**
* @license
* Copyright Google Inc. 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 * as tslib_1 from "tslib";
import { BehaviorSubject } from 'rxjs';
import { ActivatedRoute, RouterState } from './router_state';
import { TreeNode } from './utils/tree';
export function createRouterState(routeReuseStrategy, curr, prevState) {
var 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)) {
var value = prevState.value;
value._futureSnapshot = curr.value;
var children = createOrReuseChildren(routeReuseStrategy, curr, prevState);
return new TreeNode(value, children);
// retrieve an activated route that is used to be displayed, but is not currently displayed
}
else {
var detachedRouteHandle = routeReuseStrategy.retrieve(curr.value);
if (detachedRouteHandle) {
var tree = detachedRouteHandle.route;
setFutureSnapshotsOfActivatedRoutes(curr, tree);
return tree;
}
else {
var value = createActivatedRoute(curr.value);
var children = curr.children.map(function (c) { return 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 (var i = 0; i < curr.children.length; ++i) {
setFutureSnapshotsOfActivatedRoutes(curr.children[i], result.children[i]);
}
}
function createOrReuseChildren(routeReuseStrategy, curr, prevState) {
return curr.children.map(function (child) {
var e_1, _a;
try {
for (var _b = tslib_1.__values(prevState.children), _c = _b.next(); !_c.done; _c = _b.next()) {
var p = _c.value;
if (routeReuseStrategy.shouldReuseRoute(p.value.snapshot, child.value)) {
return createNode(routeReuseStrategy, child, p);
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
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,IAAM,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,IAAM,KAAK,GAAG,SAAS,CAAC,KAAK,CAAC;QAC9B,KAAK,CAAC,eAAe,GAAG,IAAI,CAAC,KAAK,CAAC;QACnC,IAAM,QAAQ,GAAG,qBAAqB,CAAC,kBAAkB,EAAE,IAAI,EAAE,SAAS,CAAC,CAAC;QAC5E,OAAO,IAAI,QAAQ,CAAiB,KAAK,EAAE,QAAQ,CAAC,CAAC;QAErD,2FAA2F;KAC5F;SAAM;QACL,IAAM,mBAAmB,GACQ,kBAAkB,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;QACzE,IAAI,mBAAmB,EAAE;YACvB,IAAM,IAAI,GAA6B,mBAAmB,CAAC,KAAK,CAAC;YACjE,mCAAmC,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;YAChD,OAAO,IAAI,CAAC;SAEb;aAAM;YACL,IAAM,KAAK,GAAG,oBAAoB,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;YAC/C,IAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC,UAAA,CAAC,IAAI,OAAA,UAAU,CAAC,kBAAkB,EAAE,CAAC,CAAC,EAAjC,CAAiC,CAAC,CAAC;YAC3E,OAAO,IAAI,QAAQ,CAAiB,KAAK,EAAE,QAAQ,CAAC,CAAC;SACtD;KACF;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,UAAA,KAAK;;;YAC5B,KAAgB,IAAA,KAAA,iBAAA,SAAS,CAAC,QAAQ,CAAA,gBAAA,4BAAE;gBAA/B,IAAM,CAAC,WAAA;gBACV,IAAI,kBAAkB,CAAC,gBAAgB,CAAC,CAAC,CAAC,KAAK,CAAC,QAAQ,EAAE,KAAK,CAAC,KAAK,CAAC,EAAE;oBACtE,OAAO,UAAU,CAAC,kBAAkB,EAAE,KAAK,EAAE,CAAC,CAAC,CAAC;iBACjD;aACF;;;;;;;;;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 Inc. 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\n    // retrieve an activated route that is used to be displayed, but is not currently displayed\n  } else {\n    const detachedRouteHandle =\n        <DetachedRouteHandleInternal>routeReuseStrategy.retrieve(curr.value);\n    if (detachedRouteHandle) {\n      const tree: TreeNode<ActivatedRoute> = detachedRouteHandle.route;\n      setFutureSnapshotsOfActivatedRoutes(curr, tree);\n      return tree;\n\n    } else {\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}\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(p.value.snapshot, child.value)) {\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"]}