76 lines
1.9 KiB
JavaScript
76 lines
1.9 KiB
JavaScript
/**
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* 路由中间件
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* @author yutent<yutent.io@gmail.com>
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* @date 2020/09/18 15:16:29
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*/
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import { readonlyProp } from '../lib.js'
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export function createRouter() {
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return function (req, res, next) {
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var debug = this.get('debug')
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var spa = this.get('spa')
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// 1. 先判断控制器是否存在
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if (!this.$load(spa ? 'index' : req.app)) {
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return res.error(`Controller [${req.app}] not found`, 404)
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}
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// 2. 默认二级路由为index
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if (req.path.length < 1 && spa === false) {
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req.path.push('index')
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}
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// 3. 实例化控制器
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this.$load(spa ? 'index' : req.app)
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.then(async Module => {
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let mod, route, act
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let err = ''
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if (Module) {
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mod = new Module()
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readonlyProp(mod, 'context', this)
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readonlyProp(mod, 'request', req)
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readonlyProp(mod, 'response', res)
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readonlyProp(mod, 'name', req.app)
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// 4. 优先执行__main__方法
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if (mod.__main__) {
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try {
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let r = await mod.__main__()
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if (r === false) {
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return
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}
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} catch (err) {
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return Promise.reject(err)
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}
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}
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if (spa) {
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return mod.indexAction.apply(mod, req.path)
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} else {
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route = req.path.shift()
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act = route + 'Action'
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if (mod[act]) {
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return mod[act].apply(mod, req.path)
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} else {
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err = new Error(`Action [${route}] not found`)
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err.status = 404
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}
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}
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} else {
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err = new Error(`Controller [${req.app}] load error`)
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err.status = 500
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}
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return Promise.reject(err)
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})
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.catch(err => {
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console.error(err)
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res.error(debug ? err.stack || err : err, err.status || 500)
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})
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}
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}
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JavaScript
100%