jsev/lib/Environment.js

Environment for building Web API's.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const koa_1 = __importDefault(require("koa"));
const koa_router_1 = __importDefault(require("koa-router"));
require("reflect-metadata");
const configuration_1 = require("./configuration");
const errors_1 = require("./errors");
const logging_1 = require("./logging");
const middlewares_1 = require("./middlewares");
class Environment {
    constructor(rootPath) {
        this.rootPath = rootPath;
        this.app = new koa_1.default();
        this.app.context.env = this;
        this.router = new koa_router_1.default();
        this.initPromise = this.init(rootPath);
    }
    async run() {
        await this.initPromise;
        if (!this.cfg) {
            throw new errors_1.InvalidOperationError("Unable to run without initializing the configuration.");
        }
        await middlewares_1.applyMiddlewares(this);
        this.app.listen(this.cfg.port);
        this.log.info(`${this.cfg.name} listening on port ${this.cfg.port} (${this.cfg.env})`);
    }
    async init(rootPath) {
        this.cfg = await configuration_1.loadConfiguration(rootPath);
        this.log = logging_1.createLogger(this);
        this.app.on("error", (err) => {
            this.log.fatal(err);
        });
        this.middlewares = await middlewares_1.loadMiddlewares(rootPath);
    }
}
exports.Environment = Environment;
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