@globalart/nestcord
Version:
A module for creating Discord bots using NestJS, based on Discord.js
73 lines (72 loc) • 3.86 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ExplorerService = void 0;
const common_1 = require("@nestjs/common");
const context_1 = require("./context");
const core_1 = require("@nestjs/core");
const external_context_creator_1 = require("@nestjs/core/helpers/external-context-creator");
const constants_1 = require("@nestjs/common/constants");
const constants_2 = require("@nestjs/core/injector/constants");
/**
* Represents a explorer service.
* This service is used to explore the application and retrieve the discovery items.
*/
let ExplorerService = class ExplorerService extends core_1.Reflector {
constructor(discoveryService, externalContextCreator, metadataScanner) {
super();
this.discoveryService = discoveryService;
this.externalContextCreator = externalContextCreator;
this.metadataScanner = metadataScanner;
this.nestcordParamsFactory = new context_1.NestCordParamsFactory();
this.wrappers = this.discoveryService.getProviders().filter((wrapper) => {
const { instance } = wrapper;
const prototype = instance ? Object.getPrototypeOf(instance) : null;
return instance && prototype && wrapper.isDependencyTreeStatic();
});
this.controllerWrappers = this.discoveryService.getControllers().filter((wrapper) => {
const { instance } = wrapper;
const prototype = instance ? Object.getPrototypeOf(instance) : null;
return instance && prototype && wrapper.isDependencyTreeStatic();
});
}
explore(metadataKey) {
return this.flatMap((wrapper) => this.filterProperties(wrapper, metadataKey));
}
flatMap(callback) {
return [
...this.wrappers.flatMap(callback).filter(Boolean),
...this.controllerWrappers.flatMap(callback).filter(Boolean),
];
}
filterProperties({ instance }, metadataKey) {
const prototype = Object.getPrototypeOf(instance);
return this.metadataScanner.getAllMethodNames(prototype).map((methodName) => {
const item = this.get(metadataKey, instance[methodName]);
if (!item) {
return;
}
item.setDiscoveryMeta({ class: instance.constructor, handler: instance[methodName] });
item.setContextCallback(this.createContextCallback(instance, prototype, methodName));
return item;
});
}
createContextCallback(instance, prototype, methodName) {
return this.externalContextCreator.create(instance, prototype[methodName], methodName, constants_1.ROUTE_ARGS_METADATA, this.nestcordParamsFactory, constants_2.STATIC_CONTEXT, undefined, { guards: true, filters: true, interceptors: true }, 'nestcord');
}
};
exports.ExplorerService = ExplorerService;
exports.ExplorerService = ExplorerService = __decorate([
(0, common_1.Injectable)(),
__metadata("design:paramtypes", [core_1.DiscoveryService,
external_context_creator_1.ExternalContextCreator,
core_1.MetadataScanner])
], ExplorerService);