greenlock-express.js/lib/compat.js

"use strict";

function requireBluebird() {
	try {
		return require("bluebird");
	} catch (e) {
		console.error("");
		console.error("DON'T PANIC. You're running an old version of node with incomplete Promise support.");
		console.error("EASY FIX: `npm install --save bluebird`");
		console.error("");
		throw e;
	}
}

if ("undefined" === typeof Promise) {
	global.Promise = requireBluebird();
}

if ("function" !== typeof require("util").promisify) {
	require("util").promisify = requireBluebird().promisify;
}

if (!console.debug) {
	console.debug = console.log;
}

var fs = require("fs");
var fsAsync = {};
Object.keys(fs).forEach(function(key) {
	var fn = fs[key];
	if ("function" !== typeof fn || !/[a-z]/.test(key[0])) {
		return;
	}
	fsAsync[key] = require("util").promisify(fn);
});

exports.fsAsync = fsAsync;