rucken/src/nestjs-console/scanner.js

Console tools and scripts for nx and not only that I (EndyKaufman) use to automate the workflow and speed up the development process

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConsoleScanner = void 0;
const tslib_1 = require("tslib");
const constants_1 = require("./constants");
class ConsoleScanner {
    /**
     * Get all the modules
     */
    getModules(modulesContainer, include = []) {
        const allModules = [...modulesContainer.values()];
        if (!include.length) {
            return allModules;
        }
        return allModules.filter(({ metatype }) => include.some((item) => item === metatype));
    }
    /**
     * Get a list of classes methods
     */
    getInstanceMethods(instance) {
        return Object.getOwnPropertyNames(instance)
            .concat(Object.getOwnPropertyNames(instance.__proto__))
            .filter((m) => Reflect.hasMetadata(constants_1.COMMAND_METADATA_NAME, instance, m));
    }
    /**
     * Scan an application
     * @param app
     * @param includedModules
     */
    scan(app, includedModules) {
        return tslib_1.__awaiter(this, void 0, void 0, function* () {
            const set = new Set();
            const container = app.container;
            const modules = this.getModules(container.getModules(), includedModules);
            yield Promise.all(modules.map((m) => {
                return Promise.all(Array.from(m.providers.values()).map((p) => tslib_1.__awaiter(this, void 0, void 0, function* () {
                    const { metatype, token } = p;
                    if (typeof metatype !== 'function') {
                        return;
                    }
                    // ignore providers without instance
                    if (!p.instance) {
                        return;
                    }
                    const consoleMetadata = Reflect.getMetadata(constants_1.CONSOLE_METADATA_NAME, p.instance.constructor);
                    // ignore providers without the console decorator
                    if (!consoleMetadata) {
                        return;
                    }
                    // get the provider instance from the container
                    const instance = yield app.resolve(token, undefined, {
                        strict: false,
                    });
                    const methods = this.getInstanceMethods(instance);
                    // get the metadata of the methods
                    const methodsMetadata = methods.map((methodMetadata) => ({
                        name: methodMetadata,
                        metadata: Reflect.getMetadata(constants_1.COMMAND_METADATA_NAME, instance, methodMetadata),
                    }));
                    set.add({
                        instance,
                        metadata: consoleMetadata,
                        methods: methodsMetadata,
                    });
                })));
            }));
            return set;
        });
    }
}
exports.ConsoleScanner = ConsoleScanner;