b89c8760
 wangming
项目初始化
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const chokidar = require('chokidar')
const bodyParser = require('body-parser')
const chalk = require('chalk')
const path = require('path')
const Mock = require('mockjs')
const mockDir = path.join(process.cwd(), 'mock')
function registerRoutes(app) {
let mockLastIndex
const { mocks } = require('./index.js')
const mocksForServer = mocks.map(route => {
return responseFake(route.url, route.type, route.response)
})
for (const mock of mocksForServer) {
app[mock.type](mock.url, mock.response)
mockLastIndex = app._router.stack.length
}
const mockRoutesLength = Object.keys(mocksForServer).length
return {
mockRoutesLength: mockRoutesLength,
mockStartIndex: mockLastIndex - mockRoutesLength
}
}
function unregisterRoutes() {
Object.keys(require.cache).forEach(i => {
if (i.includes(mockDir)) {
delete require.cache[require.resolve(i)]
}
})
}
// for mock server
const responseFake = (url, type, respond) => {
return {
url: new RegExp(`${process.env.VUE_APP_BASE_API}${url}`),
type: type || 'get',
response(req, res) {
console.log('request invoke:' + req.path)
res.json(Mock.mock(respond instanceof Function ? respond(req, res) : respond))
}
}
}
module.exports = app => {
// parse app.body
// https://expressjs.com/en/4x/api.html#req.body
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({
extended: true
}))
const mockRoutes = registerRoutes(app)
var mockRoutesLength = mockRoutes.mockRoutesLength
var mockStartIndex = mockRoutes.mockStartIndex
// watch files, hot reload mock server
chokidar.watch(mockDir, {
ignored: /mock-server/,
ignoreInitial: true
}).on('all', (event, path) => {
if (event === 'change' || event === 'add') {
try {
// remove mock routes stack
app._router.stack.splice(mockStartIndex, mockRoutesLength)
// clear routes cache
unregisterRoutes()
const mockRoutes = registerRoutes(app)
mockRoutesLength = mockRoutes.mockRoutesLength
mockStartIndex = mockRoutes.mockStartIndex
console.log(chalk.magentaBright(`\n > Mock Server hot reload success! changed ${path}`))
} catch (error) {
console.log(chalk.redBright(error))
}
}
})
}
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