const path = require('path'); const fs = require('fs-extra'); const nodemailer = require('nodemailer'); const config = require('../../config.json'); let insts = new Map(); let mail; const WEBROOT = path.resolve(__dirname, '..'); //路径 const WEBROOT_SERVER = __dirname; const WEBROOT_RUNTIME = path.resolve(__dirname, '../..'); const WEBROOT_LOG = path.join(WEBROOT_RUNTIME, 'log'); const WEBCONFIG = config; fs.ensureDirSync(WEBROOT_LOG); if (WEBCONFIG.mail) { mail = nodemailer.createTransport(WEBCONFIG.mail); } /** * 获取一个model实例,如果不存在则创建一个新的返回 * @param {*} m class * @example * yapi.getInst(groupModel, arg1, arg2) */ function getInst(m, ...args) { if (!insts.get(m)) { insts.set(m, new m(args)); } return insts.get(m); } function delInst(m) { try { insts.delete(m); } catch (err) { console.error(err); // eslint-disable-line } } let r = { fs: fs, path: path, WEBROOT: WEBROOT, WEBROOT_SERVER: WEBROOT_SERVER, WEBROOT_RUNTIME: WEBROOT_RUNTIME, WEBROOT_LOG: WEBROOT_LOG, WEBCONFIG: WEBCONFIG, getInst: getInst, delInst: delInst, getInsts: insts }; if (mail) r.mail = mail; module.exports = r;