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index.prod.js
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index.prod.js
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/**
* @file 生产环境主入口
* @author wangyisheng@baidu.com (wangyisheng)
*/
const Koa = require('koa')
const Router = require('koa-router')
const glob = require('glob')
const koaStatic = require('koa-static')
const history = require('koa2-history-api-fallback')
const {PORT} = require('./config/server')
const {getRouterPath, log} = require('./utils/framework')
const app = new Koa()
const router = new Router()
process.env.NODE_ENV = 'production'
registerApp()
async function registerApp () {
app.use(async (ctx, next) => {
log.info(ctx.url)
await next()
})
try {
// node 端中间件和路由
await registerMiddlewares();
await registerRoutes();
app.use(router.routes());
app.use(router.allowedMethods());
// 前端(vue)路由
// 所有 navigate 请求重定向到 '/index.html',配合底下的 koaStatic,实际位置位于 vue-dist/index.html
app.use(history({
htmlAcceptHeaders: ['text/html'],
index: '/index.html'
}));
app.use(koaStatic('vue-dist'));
app.use(koaStatic('public'));
app.listen(PORT);
log.info('生产环境服务器启动于端口号', PORT);
} catch (e) {
log.error(e)
log.error('生产环境服务器启动失败\n\n')
}
}
async function registerRoutes () {
return new Promise((resolve, reject) => {
glob('actions/**/*.js', (err, files) => {
if (err) {
log.error('读取 actions 失败')
log.error(err)
reject()
return
}
files.forEach(actionPath => {
let action = require(`./${actionPath}`)
if (typeof action.handler !== 'function') {
log.warn(actionPath, '不是一个合法的 action,已经跳过')
return
}
if (!action.routerPath) {
action.routerPath = getRouterPath(actionPath)
}
router.get(action.routerPath, action.handler)
})
resolve()
})
})
}
async function registerMiddlewares () {
return new Promise((resolve, reject) => {
glob('middlewares/**/*.js', (err, files) => {
if (err) {
log.error('读取 middlewares 失败')
log.error(err)
reject()
return
}
files.forEach(middlewarePath => {
let middleware = require(`./${middlewarePath}`)
if (typeof middleware !== 'function') {
return
}
router.use(middleware)
})
resolve()
})
})
}