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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RoutesMapper = void 0;
const constants_1 = require("@nestjs/common/constants");
const interfaces_1 = require("@nestjs/common/interfaces");
const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
const metadata_scanner_1 = require("../metadata-scanner");
const paths_explorer_1 = require("../router/paths-explorer");
const router_module_1 = require("../router/router-module");
class RoutesMapper {
constructor(container, applicationConfig) {
this.container = container;
this.applicationConfig = applicationConfig;
this.pathsExplorer = new paths_explorer_1.PathsExplorer(new metadata_scanner_1.MetadataScanner());
}
mapRouteToRouteInfo(controllerOrRoute) {
if ((0, shared_utils_1.isString)(controllerOrRoute)) {
return this.getRouteInfoFromPath(controllerOrRoute);
}
const routePathOrPaths = this.getRoutePath(controllerOrRoute);
if (this.isRouteInfo(routePathOrPaths, controllerOrRoute)) {
return this.getRouteInfoFromObject(controllerOrRoute);
}
return this.getRouteInfoFromController(controllerOrRoute, routePathOrPaths);
}
getRouteInfoFromPath(routePath) {
const defaultRequestMethod = -1;
return [
{
path: (0, shared_utils_1.addLeadingSlash)(routePath),
method: defaultRequestMethod,
},
];
}
getRouteInfoFromObject(routeInfoObject) {
const routeInfo = {
path: (0, shared_utils_1.addLeadingSlash)(routeInfoObject.path),
method: routeInfoObject.method,
};
if (routeInfoObject.version) {
routeInfo.version = routeInfoObject.version;
}
return [routeInfo];
}
getRouteInfoFromController(controller, routePath) {
const controllerPaths = this.pathsExplorer.scanForPaths(Object.create(controller), controller.prototype);
const controllerVersion = this.getVersionMetadata(controller);
const versioningConfig = this.applicationConfig.getVersioning();
const moduleRef = this.getHostModuleOfController(controller);
const modulePath = this.getModulePath(moduleRef?.metatype);
const concatPaths = (acc, currentValue) => acc.concat(currentValue);
const toUndefinedIfNeural = (version) => version === interfaces_1.VERSION_NEUTRAL ? undefined : version;
const toRouteInfo = (item, prefix) => item.path?.flatMap(p => {
let endpointPath = modulePath ?? '';
endpointPath += this.normalizeGlobalPath(prefix) + (0, shared_utils_1.addLeadingSlash)(p);
const routeInfo = {
path: endpointPath,
method: item.requestMethod,
};
const version = item.version ?? controllerVersion;
if (version && versioningConfig) {
if (typeof version !== 'string' && Array.isArray(version)) {
return version.map(v => ({
...routeInfo,
version: toUndefinedIfNeural(v),
}));
}
routeInfo.version = toUndefinedIfNeural(version);
}
return routeInfo;
});
return []
.concat(routePath)
.map(routePath => controllerPaths
.map(item => toRouteInfo(item, routePath))
.reduce(concatPaths, []))
.reduce(concatPaths, []);
}
isRouteInfo(path, objectOrClass) {
return (0, shared_utils_1.isUndefined)(path);
}
normalizeGlobalPath(path) {
const prefix = (0, shared_utils_1.addLeadingSlash)(path);
return prefix === '/' ? '' : prefix;
}
getRoutePath(route) {
return Reflect.getMetadata(constants_1.PATH_METADATA, route);
}
getHostModuleOfController(metatype) {
if (!metatype) {
return;
}
const modulesContainer = this.container.getModules();
const moduleRefsSet = router_module_1.targetModulesByContainer.get(modulesContainer);
if (!moduleRefsSet) {
return;
}
const modules = Array.from(modulesContainer.values()).filter(moduleRef => moduleRefsSet.has(moduleRef));
return modules.find(({ controllers }) => controllers.has(metatype));
}
getModulePath(metatype) {
if (!metatype) {
return;
}
const modulesContainer = this.container.getModules();
const modulePath = Reflect.getMetadata(constants_1.MODULE_PATH + modulesContainer.applicationId, metatype);
return modulePath ?? Reflect.getMetadata(constants_1.MODULE_PATH, metatype);
}
getVersionMetadata(metatype) {
const versioningConfig = this.applicationConfig.getVersioning();
if (versioningConfig) {
return (Reflect.getMetadata(constants_1.VERSION_METADATA, metatype) ??
versioningConfig.defaultVersion);
}
}
}
exports.RoutesMapper = RoutesMapper;