index.js
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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 { baseURL } = require('../src/config')
const mockDir = path.join(process.cwd(), 'mock')
const { handleMockArray } = require('./utils')
/**
*
* @param app
* @returns {{mockStartIndex: number, mockRoutesLength: number}}
*/
const registerRoutes = (app) => {
let mockLastIndex
const mocks = []
const mockArray = handleMockArray()
mockArray.forEach((item) => {
const obj = require(item)
mocks.push(...obj)
})
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,
}
}
/**
*
* @param url
* @param type
* @param respond
* @returns {{response(*=, *=): void, type: (*|string), url: RegExp}}
*/
const responseFake = (url, type, respond) => {
return {
url: new RegExp(`${baseURL}${url}`),
type: type || 'get',
response(req, res) {
res.status(200)
if (JSON.stringify(req.body) !== '{}') {
console.log(chalk.gray(`> 请求地址：${req.path}`))
console.log(chalk.gray(`> 请求参数：${JSON.stringify(req.body)}\n`))
} else {
console.log(chalk.gray(`> 请求地址：${req.path}\n`))
}
res.json(mock(respond instanceof Function ? respond(req, res) : respond))
},
}
}
/**
*
* @param app
*/
module.exports = (app) => {
app.use(bodyParser.json())
app.use(
bodyParser.urlencoded({
extended: true,
})
)
const mockRoutes = registerRoutes(app)
let mockRoutesLength = mockRoutes.mockRoutesLength
let mockStartIndex = mockRoutes.mockStartIndex
chokidar
.watch(mockDir, {
ignored: /mock-server/,
ignoreInitial: true,
})
.on('all', (event) => {
if (event === 'change' || event === 'add') {
try {
app._router.stack.splice(mockStartIndex, mockRoutesLength)
Object.keys(require.cache).forEach((item) => {
if (item.includes(mockDir)) {
delete require.cache[require.resolve(item)]
}
})
const mockRoutes = registerRoutes(app)
mockRoutesLength = mockRoutes.mockRoutesLength
mockStartIndex = mockRoutes.mockStartIndex
} catch (error) {
console.log(chalk.red(error))
}
}
})
}