builder-isv/reflect.js

ISV 模块本地预览与云构建器

/**
 * 渲染入口
 */

'use strict';

// UPX 将读取此字段，切换代理
process.env.UPX_MODE = 'ISV';

const path = require('path');
const config = require('./config');
const co = require('co');
const os = require('os');
const Project = require('./models/project');
// 统一渲染器（page and assets）
const Renderer = require('./lib/renderer');
const lessMiddleware = require('less-middleware');
let utils;

/**
 * 渲染入口
 * @param app Express 实例
 * @param defOptions 调用方参数
 */
module.exports = function(app, defOptions) {
  process.env.DEF_TICKET = defOptions.DEF_TICKET;
  process.env.UPX_ENV = defOptions.UPX_ENV;
  utils = require('./lib/utils');
  // 工作空间
  const workSpace = defOptions.base;

  config.projectInfo = new Project(workSpace);
  config.defOptions = defOptions;
  //defOptions.tmpDir = path.join(defOptions.tmpDir, 'builder-mod', config.projectInfo.projectName);
  defOptions.tmpPreviewDir = path.join(defOptions.base, '.tmp-preview');
  // 项目
  // 进程上增加 utils 用于统一输出日志（考虑到历史上有很多已有插件，因此不做依赖注入）
  process.utils = utils;

  utils.log.verbose('defOptions', JSON.stringify(defOptions, null, 2));

  app.use(lessMiddleware(workSpace, {
      debug: defOptions.verbose,
      dest: defOptions.tmpPreviewDir,
      preprocess: {
        less: function(src, req) {
          let url = req.originalUrl;
          let name = url.match(/\/mod\/(\S+)\//)[1];

          return '@MOD_NAME:' + name + ';' + src;
        }
      }
    },
    {
      compress: false,
      sourceMap: true
    }
  ));

  // index page
  app.get('/', function(req, resp) {
    const fs = require('fs');

    Renderer.renderXTPL(req, resp, 'index', {
      modules: fs.readdirSync(path.join(workSpace, 'mod'))
        .map(function(fileName) {
          try {
            return JSON.parse(fs.readFileSync(path.join(workSpace, 'mod', fileName, 'package.json'), 'utf-8'));
          } catch (e) {
            return null;
          }
        })
        .filter(function(moduleInfo) {
          return !!moduleInfo;
        })
    });
  });

  app.get('/:type/:name/index.html', function(req, resp) {
    co(function*() {
      yield Renderer.renderPage(req, resp);
    }).catch(function(err) {
      utils.log.error(err.stack || err.message);
      resp.status(500);
      Renderer.renderXTPL(req, resp, '500', {
        message: err.message,
        stack: err.stack
      });
    });
  });

  app.get('/:type/:name/:assets', function(req, resp) {
    co(function*() {
      yield Renderer.renderAssets(req, resp);
    }).catch(function(err) {
      utils.log.error(err.stack || err.message);
      resp.status(500);
      Renderer.renderXTPL(req, resp, '500', {
        message: err.message,
        stack: err.stack
      });
    });
  });

  process.on('uncaughtException', (err) => {
    utils.log.error('未捕获异常：', err.stack);
  });
};