47 lines
1.6 KiB
TypeScript
47 lines
1.6 KiB
TypeScript
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import {AsyncRoute, Route, Redirect, RouteDefinition} from './route_config_decorator';
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import {ComponentDefinition} from './route_definition';
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import {Type, BaseException} from 'angular2/src/facade/lang';
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/**
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* Given a JS Object that represents... returns a corresponding Route, AsyncRoute, or Redirect
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*/
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export function normalizeRouteConfig(config: RouteDefinition): RouteDefinition {
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if (config instanceof Route || config instanceof Redirect || config instanceof AsyncRoute) {
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return <RouteDefinition>config;
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}
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if ((!config.component) == (!config.redirectTo)) {
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throw new BaseException(
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`Route config should contain exactly one 'component', or 'redirectTo' property`);
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}
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if (config.component) {
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if (typeof config.component == 'object') {
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let componentDefinitionObject = <ComponentDefinition>config.component;
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if (componentDefinitionObject.type == 'constructor') {
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return new Route({
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path: config.path,
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component:<Type>componentDefinitionObject.constructor,
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as: config.as
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});
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} else if (componentDefinitionObject.type == 'loader') {
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return new AsyncRoute(
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{path: config.path, loader: componentDefinitionObject.loader, as: config.as});
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} else {
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throw new BaseException(
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`Invalid component type '${componentDefinitionObject.type}'. Valid types are "constructor" and "loader".`);
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}
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}
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return new Route(<{
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path: string;
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component: Type;
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as?: string
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}>config);
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}
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if (config.redirectTo) {
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return new Redirect({path: config.path, redirectTo: config.redirectTo});
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}
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return config;
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}
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