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