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Generics
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@chadhietala
chadhietala committed Sep 25, 2018
1 parent e853a63 commit e792f2c
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Showing 17 changed files with 898 additions and 886 deletions.
4 changes: 2 additions & 2 deletions lib/router/index.ts
View file
@@ -1,4 +1,4 @@
export { default } from './router';
export { Transition } from './transition';
export { default as InternalTransition, PublicTransition as Transition } from './transition';
export { default as TransitionState } from './transition-state';
export { Route } from './route-info';
export { default as InternalRouteInfo, RouteInfo, Route } from './route-info';
127 changes: 64 additions & 63 deletions lib/router/route-info.ts
View file
@@ -1,62 +1,59 @@
import { Promise } from 'rsvp';
import { Dict, Maybe } from './core';
import { Dict, Maybe, Option } from './core';
import Router, { SerializerFunc } from './router';
import { isTransition, prepareResult, Transition } from './transition';
import InternalTransition, {
isTransition,
prepareResult,
PublicTransition as Transition,
} from './transition';
import { isParam, isPromise, merge } from './utils';

interface IModel {
id?: string | number;
}

export interface RouteHooks {
export interface Route {
inaccessibleByURL?: boolean;
routeName: string;
context: unknown;
events?: Dict<Function>;
model?(
params: Dict<unknown>,
transition: Transition
): Promise<Dict<unknown> | null | undefined> | undefined | Dict<unknown>;
deserialize?(params: Dict<unknown>, transition: Transition): Dict<unknown>;
serialize?(model: Dict<unknown>, params: string[]): Dict<unknown>;
beforeModel?(transition: Transition): Promise<Dict<unknown> | null | undefined> | undefined;
afterModel?(
resolvedModel: Dict<unknown>,
transition: Transition
): Promise<Dict<unknown> | null | undefined>;
serialize?(model: {}, params: string[]): {} | undefined;
beforeModel?(transition: Transition): Promise<any> | any;
afterModel?(resolvedModel: any, transition: Transition): Promise<any> | any;
setup?(context: Dict<unknown>, transition: Transition): void;
enter?(transition: Transition): void;
exit?(transition?: Transition): void;
reset?(wasReset: boolean, transition?: Transition): void;
contextDidChange?(): void;
// Underscore methods for some reason
redirect?(context: Dict<unknown>, transition: Transition): void;
}

export interface Route extends RouteHooks {
inaccessibleByURL?: boolean;
routeName: string;
context: unknown;
events?: Dict<Function>;
}

export type Continuation = () => PromiseLike<boolean> | boolean;

export interface IRouteInfo {
export interface RouteInfo {
readonly name: string;
readonly parent: Maybe<IRouteInfo>;
readonly child: Maybe<IRouteInfo>;
readonly parent: Maybe<RouteInfo>;
readonly child: Maybe<RouteInfo>;
readonly localName: string;
readonly params: Dict<unknown>;
find(
predicate: (this: void, routeInfo: IRouteInfo, i: number) => boolean,
predicate: (this: void, routeInfo: RouteInfo, i: number) => boolean,
thisArg: any
): IRouteInfo | undefined;
): RouteInfo | undefined;
}

let ROUTE_INFO_LINKS = new WeakMap<PrivateRouteInfo, IRouteInfo>();
let ROUTE_INFO_LINKS = new WeakMap<InternalRouteInfo<Route>, RouteInfo>();

export function toReadOnlyRouteInfo(routeInfos: PrivateRouteInfo[]) {
export function toReadOnlyRouteInfo(routeInfos: InternalRouteInfo<Route>[]) {
return routeInfos.map((info, i) => {
let { name, params, queryParams, paramNames } = info;
let publicRouteInfo = new class RouteInfo implements IRouteInfo {
find(predicate: (this: void, routeInfo: IRouteInfo, i: number) => boolean, thisArg: any) {
let publicRouteInfo = new class implements RouteInfo {
find(predicate: (this: void, routeInfo: RouteInfo, i: number) => boolean, thisArg: any) {
let routeInfo;
let publicInfo;
for (let i = 0; routeInfos.length > 0; i++) {
Expand Down Expand Up @@ -108,18 +105,18 @@ export function toReadOnlyRouteInfo(routeInfos: PrivateRouteInfo[]) {
});
}

export default class PrivateRouteInfo {
private _routePromise?: Promise<Route> = undefined;
private _route?: Route = undefined;
protected router: Router;
export default class InternalRouteInfo<T extends Route> {
private _routePromise?: Promise<T> = undefined;
private _route?: Option<T> = null;
protected router: Router<T>;
paramNames: string[];
name: string;
params: Dict<unknown> = {};
queryParams?: Dict<unknown>;
context?: Dict<unknown>;
isResolved = false;

constructor(router: Router, name: string, paramNames: string[], route?: Route) {
constructor(router: Router<T>, name: string, paramNames: string[], route?: T) {
this.name = name;
this.paramNames = paramNames;
this.router = router;
Expand All @@ -128,15 +125,18 @@ export default class PrivateRouteInfo {
}
}

getModel(_transition: Transition) {
getModel(_transition: InternalTransition<T>) {
return Promise.resolve(this.context);
}

serialize(_context?: Dict<unknown>) {
return this.params || {};
}

resolve(shouldContinue: Continuation, transition: Transition): Promise<ResolvedRouteInfo> {
resolve(
shouldContinue: Continuation,
transition: InternalTransition<T>
): Promise<ResolvedRouteInfo<T>> {
return Promise.resolve(this.routePromise)
.then((route: Route) => this.checkForAbort(shouldContinue, route), null)
.then(() => {
Expand All @@ -149,7 +149,10 @@ export default class PrivateRouteInfo {
.then(resolvedModel => this.becomeResolved(transition, resolvedModel));
}

becomeResolved(transition: Transition | null, resolvedContext: Dict<unknown>): ResolvedRouteInfo {
becomeResolved(
transition: InternalTransition<T> | null,
resolvedContext: Dict<unknown>
): ResolvedRouteInfo<T> {
let params = this.serialize(resolvedContext);

if (transition) {
Expand All @@ -175,7 +178,7 @@ export default class PrivateRouteInfo {
);
}

shouldSupercede(routeInfo?: PrivateRouteInfo) {
shouldSupercede(routeInfo?: InternalRouteInfo<T>) {
// Prefer this newer routeInfo over `other` if:
// 1) The other one doesn't exist
// 2) The names don't match
Expand All @@ -194,21 +197,21 @@ export default class PrivateRouteInfo {
);
}

get route(): Route | undefined {
get route(): T | undefined {
// _route could be set to either a route object or undefined, so we
// compare against a default reference to know when it's been set
if (this._route !== undefined) {
return this._route!;
// compare against null to know when it's been set
if (this._route !== null) {
return this._route;
}

return this.fetchRoute();
}

set route(route: Route | undefined) {
set route(route: T | undefined) {
this._route = route;
}

get routePromise(): Promise<Route> {
get routePromise(): Promise<T> {
if (this._routePromise) {
return this._routePromise;
}
Expand All @@ -218,23 +221,21 @@ export default class PrivateRouteInfo {
return this._routePromise!;
}

set routePromise(routePromise: Promise<Route>) {
set routePromise(routePromise: Promise<T>) {
this._routePromise = routePromise;
}

protected log(transition: Transition, message: string) {
protected log(transition: InternalTransition<T>, message: string) {
if (transition.log) {
transition.log(this.name + ': ' + message);
}
}

private updateRoute(route: Route) {
// Store the name of the route on the route for easy checks later
route.routeName = this.name;
private updateRoute(route: T) {
return (this.route = route);
}

private runBeforeModelHook(transition: Transition) {
private runBeforeModelHook(transition: InternalTransition<T>) {
if (transition.trigger) {
transition.trigger(true, 'willResolveModel', transition, this.route);
}
Expand All @@ -254,7 +255,7 @@ export default class PrivateRouteInfo {
}

private runAfterModelHook(
transition: Transition,
transition: InternalTransition<T>,
resolvedModel?: Dict<unknown>
): Promise<Dict<unknown>> {
// Stash the resolved model on the payload.
Expand Down Expand Up @@ -288,7 +289,7 @@ export default class PrivateRouteInfo {
}, null);
}

private stashResolvedModel(transition: Transition, resolvedModel?: Dict<unknown>) {
private stashResolvedModel(transition: InternalTransition<T>, resolvedModel: Dict<unknown>) {
transition.resolvedModels = transition.resolvedModels || {};
transition.resolvedModels[this.name] = resolvedModel;
}
Expand All @@ -298,15 +299,15 @@ export default class PrivateRouteInfo {
return this._processRoute(route);
}

private _processRoute(route: Route | Promise<Route>) {
private _processRoute(route: T | Promise<T>) {
// Setup a routePromise so that we can wait for asynchronously loaded routes
this.routePromise = Promise.resolve(route);

// Wait until the 'route' property has been updated when chaining to a route
// that is a promise
if (isPromise(route)) {
this.routePromise = this.routePromise.then(h => {
return this.updateRoute(h);
this.routePromise = this.routePromise.then(r => {
return this.updateRoute(r);
});
// set to undefined to avoid recursive loop in the route getter
return (this.route = undefined);
Expand All @@ -318,14 +319,14 @@ export default class PrivateRouteInfo {
}
}

export class ResolvedRouteInfo extends PrivateRouteInfo {
export class ResolvedRouteInfo<T extends Route> extends InternalRouteInfo<T> {
isResolved: boolean;
constructor(
router: Router,
router: Router<T>,
name: string,
paramNames: string[],
params: Dict<unknown>,
route: Route,
route: T,
context?: Dict<unknown>
) {
super(router, name, paramNames, route);
Expand All @@ -334,7 +335,7 @@ export class ResolvedRouteInfo extends PrivateRouteInfo {
this.context = context;
}

resolve(_shouldContinue?: Continuation, transition?: Transition): Promise<this> {
resolve(_shouldContinue?: Continuation, transition?: InternalTransition<T>): Promise<this> {
// A ResolvedRouteInfo just resolved with itself.
if (transition && transition.resolvedModels) {
transition.resolvedModels[this.name] = this.context!;
Expand All @@ -343,20 +344,20 @@ export class ResolvedRouteInfo extends PrivateRouteInfo {
}
}

export class UnresolvedRouteInfoByParam extends PrivateRouteInfo {
export class UnresolvedRouteInfoByParam<T extends Route> extends InternalRouteInfo<T> {
params: Dict<unknown> = {};
constructor(
router: Router,
router: Router<T>,
name: string,
paramNames: string[],
params: Dict<unknown>,
route?: Route
route?: T
) {
super(router, name, paramNames, route);
this.params = params;
}

getModel(transition: Transition) {
getModel(transition: InternalTransition<T>) {
let fullParams = this.params;
if (transition && transition.queryParams) {
fullParams = {};
Expand All @@ -382,15 +383,15 @@ export class UnresolvedRouteInfoByParam extends PrivateRouteInfo {
}
}

export class UnresolvedRouteInfoByObject extends PrivateRouteInfo {
export class UnresolvedRouteInfoByObject<T extends Route> extends InternalRouteInfo<T> {
serializer?: SerializerFunc;
constructor(router: Router, name: string, paramNames: string[], context: Dict<unknown>) {
constructor(router: Router<T>, name: string, paramNames: string[], context: Dict<unknown>) {
super(router, name, paramNames);
this.context = context;
this.serializer = this.router.getSerializer(name);
}

getModel(transition: Transition) {
getModel(transition: InternalTransition<T>) {
if (this.router.log !== undefined) {
this.router.log(this.name + ': resolving provided model');
}
Expand Down

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