config.js 4.33 KB
/**
 * @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 { PRIMARY_OUTLET } from './shared';
/**
 * @param {?} config
 * @param {?=} parentPath
 * @return {?}
 */
export function validateConfig(config, parentPath) {
    if (parentPath === void 0) { parentPath = ''; }
    // forEach doesn't iterate undefined values
    for (var /** @type {?} */ i = 0; i < config.length; i++) {
        var /** @type {?} */ route = config[i];
        var /** @type {?} */ fullPath = getFullPath(parentPath, route);
        validateNode(route, fullPath);
    }
}
/**
 * @param {?} route
 * @param {?} fullPath
 * @return {?}
 */
function validateNode(route, fullPath) {
    if (!route) {
        throw new Error("\n      Invalid configuration of route '" + fullPath + "': Encountered undefined route.\n      The reason might be an extra comma.\n       \n      Example: \n      const routes: Routes = [\n        { path: '', redirectTo: '/dashboard', pathMatch: 'full' },\n        { path: 'dashboard',  component: DashboardComponent },, << two commas\n        { path: 'detail/:id', component: HeroDetailComponent }\n      ];\n    ");
    }
    if (Array.isArray(route)) {
        throw new Error("Invalid configuration of route '" + fullPath + "': Array cannot be specified");
    }
    if (!route.component && (route.outlet && route.outlet !== PRIMARY_OUTLET)) {
        throw new Error("Invalid configuration of route '" + fullPath + "': a componentless route cannot have a named outlet set");
    }
    if (route.redirectTo && route.children) {
        throw new Error("Invalid configuration of route '" + fullPath + "': redirectTo and children cannot be used together");
    }
    if (route.redirectTo && route.loadChildren) {
        throw new Error("Invalid configuration of route '" + fullPath + "': redirectTo and loadChildren cannot be used together");
    }
    if (route.children && route.loadChildren) {
        throw new Error("Invalid configuration of route '" + fullPath + "': children and loadChildren cannot be used together");
    }
    if (route.redirectTo && route.component) {
        throw new Error("Invalid configuration of route '" + fullPath + "': redirectTo and component cannot be used together");
    }
    if (route.path && route.matcher) {
        throw new Error("Invalid configuration of route '" + fullPath + "': path and matcher cannot be used together");
    }
    if (route.redirectTo === void 0 && !route.component && !route.children && !route.loadChildren) {
        throw new Error("Invalid configuration of route '" + fullPath + "'. One of the following must be provided: component, redirectTo, children or loadChildren");
    }
    if (route.path === void 0 && route.matcher === void 0) {
        throw new Error("Invalid configuration of route '" + fullPath + "': routes must have either a path or a matcher specified");
    }
    if (typeof route.path === 'string' && route.path.charAt(0) === '/') {
        throw new Error("Invalid configuration of route '" + fullPath + "': path cannot start with a slash");
    }
    if (route.path === '' && route.redirectTo !== void 0 && route.pathMatch === void 0) {
        var /** @type {?} */ exp = "The default value of 'pathMatch' is 'prefix', but often the intent is to use 'full'.";
        throw new Error("Invalid configuration of route '{path: \"" + fullPath + "\", redirectTo: \"" + route.redirectTo + "\"}': please provide 'pathMatch'. " + exp);
    }
    if (route.pathMatch !== void 0 && route.pathMatch !== 'full' && route.pathMatch !== 'prefix') {
        throw new Error("Invalid configuration of route '" + fullPath + "': pathMatch can only be set to 'prefix' or 'full'");
    }
    if (route.children) {
        validateConfig(route.children, fullPath);
    }
}
/**
 * @param {?} parentPath
 * @param {?} currentRoute
 * @return {?}
 */
function getFullPath(parentPath, currentRoute) {
    if (!currentRoute) {
        return parentPath;
    }
    if (!parentPath && !currentRoute.path) {
        return '';
    }
    else if (parentPath && !currentRoute.path) {
        return parentPath + "/";
    }
    else if (!parentPath && currentRoute.path) {
        return currentRoute.path;
    }
    else {
        return parentPath + "/" + currentRoute.path;
    }
}
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