+ "use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+ return new (P || (P = Promise))(function (resolve, reject) {
+ function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+ function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+ function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+ step((generator = generator.apply(thisArg, _arguments || [])).next());
+ });
+};
+var __generator = (this && this.__generator) || function (thisArg, body) {
+ var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
+ return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
+ function verb(n) { return function (v) { return step([n, v]); }; }
+ function step(op) {
+ if (f) throw new TypeError("Generator is already executing.");
+ while (_) try {
+ if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
+ if (y = 0, t) op = [0, t.value];
+ switch (op[0]) {
+ case 0: case 1: t = op; break;
+ case 4: _.label++; return { value: op[1], done: false };
+ case 5: _.label++; y = op[1]; op = [0]; continue;
+ case 7: op = _.ops.pop(); _.trys.pop(); continue;
+ default:
+ if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
+ if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
+ if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
+ if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
+ if (t[2]) _.ops.pop();
+ _.trys.pop(); continue;
+ }
+ op = body.call(thisArg, _);
+ } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
+ if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
+ }
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+var express = require("express");
+var promise_events_1 = require("promise-events");
+var context_1 = require("./context");
+var github_1 = require("./github");
+var logger_1 = require("./logger");
+var wrap_logger_1 = require("./wrap-logger");
+// Some events can't get an authenticated client (#382):
+function isUnauthenticatedEvent(context) {
+ return !context.payload.installation ||
+ (context.event === 'installation' && context.payload.action === 'deleted');
+}
+/**
+ * The `app` parameter available to apps
+ *
+ * @property {logger} log - A logger
+ */
+var Application = /** @class */ (function () {
+ function Application(options) {
+ var opts = options || {};
+ this.events = new promise_events_1.EventEmitter();
+ this.log = wrap_logger_1.wrapLogger(logger_1.logger, logger_1.logger);
+ this.app = opts.app;
+ this.cache = opts.cache;
+ this.catchErrors = opts.catchErrors;
+ this.router = opts.router || express.Router(); // you can do this?
+ }
+ Application.prototype.receive = function (event) {
+ return __awaiter(this, void 0, void 0, function () {
+ return __generator(this, function (_a) {
+ return [2 /*return*/, Promise.all([
+ this.events.emit('*', event),
+ this.events.emit(event.event, event),
+ this.events.emit(event.event + "." + event.payload.action, event),
+ ])];
+ });
+ });
+ };
+ /**
+ * Get an {@link http://expressjs.com|express} router that can be used to
+ * expose HTTP endpoints
+ *
+ * @example
+ * module.exports = app => {
+ * // Get an express router to expose new HTTP endpoints
+ * const route = app.route('/my-app');
+ *
+ * // Use any middleware
+ * route.use(require('express').static(__dirname + '/public'));
+ *
+ * // Add a new route
+ * route.get('/hello-world', (req, res) => {
+ * res.end('Hello World');
+ * });
+ * };
+ *
+ * @param {string} path - the prefix for the routes
+ * @returns {@link http://expressjs.com/en/4x/api.html#router|express.Router}
+ */
+ Application.prototype.route = function (path) {
+ if (path) {
+ var router = express.Router();
+ this.router.use(path, router);
+ return router;
+ }
+ else {
+ return this.router;
+ }
+ };
+ /**
+ * Listen for [GitHub webhooks](https://developer.github.com/webhooks/),
+ * which are fired for almost every significant action that users take on
+ * GitHub.
+ *
+ * @param {string} event - the name of the [GitHub webhook
+ * event](https://developer.github.com/webhooks/#events). Most events also
+ * include an "action". For example, the * [`issues`](
+ * https://developer.github.com/v3/activity/events/types/#issuesevent)
+ * event has actions of `assigned`, `unassigned`, `labeled`, `unlabeled`,
+ * `opened`, `edited`, `milestoned`, `demilestoned`, `closed`, and `reopened`.
+ * Often, your bot will only care about one type of action, so you can append
+ * it to the event name with a `.`, like `issues.closed`.
+ *
+ * @param {Application~webhookCallback} callback - a function to call when the
+ * webhook is received.
+ *
+ * @example
+ *
+ * app.on('push', context => {
+ * // Code was just pushed.
+ * });
+ *
+ * app.on('issues.opened', context => {
+ * // An issue was just opened.
+ * });
+ */
+ Application.prototype.on = function (eventName, callback) {
+ var _this = this;
+ if (typeof eventName === 'string') {
+ return this.events.on(eventName, function (event) { return __awaiter(_this, void 0, void 0, function () {
+ var log, github, context, err_1;
+ return __generator(this, function (_a) {
+ switch (_a.label) {
+ case 0:
+ log = this.log.child({ name: 'event', id: event.id });
+ _a.label = 1;
+ case 1:
+ _a.trys.push([1, 7, , 8]);
+ github = void 0;
+ if (!isUnauthenticatedEvent(event)) return [3 /*break*/, 3];
+ return [4 /*yield*/, this.auth()];
+ case 2:
+ github = _a.sent();
+ log.debug('`context.github` is unauthenticated. See https://probot.github.io/docs/github-api/#unauthenticated-events');
+ return [3 /*break*/, 5];
+ case 3: return [4 /*yield*/, this.auth(event.payload.installation.id, log)];
+ case 4:
+ github = _a.sent();
+ _a.label = 5;
+ case 5:
+ context = new context_1.Context(event, github, log);
+ return [4 /*yield*/, callback(context)];
+ case 6:
+ _a.sent();
+ return [3 /*break*/, 8];
+ case 7:
+ err_1 = _a.sent();
+ log.error({ err: err_1, event: event });
+ if (!this.catchErrors) {
+ throw err_1;
+ }
+ return [3 /*break*/, 8];
+ case 8: return [2 /*return*/];
+ }
+ });
+ }); });
+ }
+ else {
+ eventName.forEach(function (e) { return _this.on(e, callback); });
+ }
+ };
+ /**
+ * Authenticate and get a GitHub client that can be used to make API calls.
+ *
+ * You'll probably want to use `context.github` instead.
+ *
+ * **Note**: `app.auth` is asynchronous, so it needs to be prefixed with a
+ * [`await`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/await)
+ * to wait for the magic to happen.
+ *
+ * @example
+ *
+ * module.exports = (app) => {
+ * app.on('issues.opened', async context => {
+ * const github = await app.auth();
+ * });
+ * };
+ *
+ * @param {number} [id] - ID of the installation, which can be extracted from
+ * `context.payload.installation.id`. If called without this parameter, the
+ * client wil authenticate [as the app](https://developer.github.com/apps/building-integrations/setting-up-and-registering-github-apps/about-authentication-options-for-github-apps/#authenticating-as-a-github-app)
+ * instead of as a specific installation, which means it can only be used for
+ * [app APIs](https://developer.github.com/v3/apps/).
+ *
+ * @returns {Promise<github>} - An authenticated GitHub API client
+ * @private
+ */
+ Application.prototype.auth = function (id, log) {
+ if (log === void 0) { log = this.log; }
+ return __awaiter(this, void 0, void 0, function () {
+ var _this = this;
+ var github, res;
+ return __generator(this, function (_a) {
+ switch (_a.label) {
+ case 0:
+ github = github_1.GitHubAPI({
+ baseUrl: process.env.GHE_HOST && "https://" + process.env.GHE_HOST + "/api/v3",
+ debug: process.env.LOG_LEVEL === 'trace',
+ logger: log.child({ name: 'github', installation: String(id) })
+ });
+ if (!id) return [3 /*break*/, 2];
+ return [4 /*yield*/, this.cache.wrap("app:" + id + ":token", function () {
+ log.trace("creating token for installation");
+ github.authenticate({ type: 'app', token: _this.app() });
+ return github.apps.createInstallationToken({ installation_id: String(id) });
+ }, { ttl: 60 * 59 })]; // Cache for 1 minute less than GitHub expiry
+ case 1:
+ res = _a.sent() // Cache for 1 minute less than GitHub expiry
+ ;
+ github.authenticate({ type: 'token', token: res.data.token });
+ return [3 /*break*/, 3];
+ case 2:
+ github.authenticate({ type: 'app', token: this.app() });
+ _a.label = 3;
+ case 3: return [2 /*return*/, github];
+ }
+ });
+ });
+ };
+ return Application;
+}());
+exports.Application = Application;
+/**
+ * Do the thing
+ * @callback Application~webhookCallback
+ * @param {Context} context - the context of the event that was triggered,
+ * including `context.payload`, and helpers for extracting information from
+ * the payload, which can be passed to GitHub API calls.
+ *
+ * ```js
+ * module.exports = app => {
+ * app.on('push', context => {
+ * // Code was pushed to the repo, what should we do with it?
+ * app.log(context);
+ * });
+ * };
+ * ```
+ */
+/**
+ * A [GitHub webhook event](https://developer.github.com/webhooks/#events) payload
+ *
+ * @typedef payload
+ */
+//# sourceMappingURL=application.js.map
+
+ 
+