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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PathsExplorer = void 0;
const constants_1 = require("@nestjs/common/constants");
const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
class PathsExplorer {
constructor(metadataScanner) {
this.metadataScanner = metadataScanner;
}
scanForPaths(instance, prototype) {
const instancePrototype = (0, shared_utils_1.isUndefined)(prototype)
? Object.getPrototypeOf(instance)
: prototype;
return this.metadataScanner
.getAllMethodNames(instancePrototype)
.reduce((acc, method) => {
const route = this.exploreMethodMetadata(instance, instancePrototype, method);
if (route) {
acc.push(route);
}
return acc;
}, []);
}
exploreMethodMetadata(instance, prototype, methodName) {
const instanceCallback = instance[methodName];
const prototypeCallback = prototype[methodName];
const routePath = Reflect.getMetadata(constants_1.PATH_METADATA, prototypeCallback);
if ((0, shared_utils_1.isUndefined)(routePath)) {
return null;
}
const requestMethod = Reflect.getMetadata(constants_1.METHOD_METADATA, prototypeCallback);
const version = Reflect.getMetadata(constants_1.VERSION_METADATA, prototypeCallback);
const path = (0, shared_utils_1.isString)(routePath)
? [(0, shared_utils_1.addLeadingSlash)(routePath)]
: routePath.map((p) => (0, shared_utils_1.addLeadingSlash)(p));
return {
path,
requestMethod,
targetCallback: instanceCallback,
methodName,
version,
};
}
}
exports.PathsExplorer = PathsExplorer;