80 lines
1.9 KiB
JavaScript
80 lines
1.9 KiB
JavaScript
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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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function registerRoutes(app) {
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const { default: mocks } = require('./index.js')
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for (const mock of mocks) {
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app[mock.type](mock.url, mock.response)
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}
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return {
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mockRoutesLength: Object.keys(mocks).length
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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('/mock')) {
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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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function getPath(path) {
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var match = path.toString()
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.replace('\\/?', '')
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.replace('(?=\\/|$)', '$')
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.match(/^\/\^((?:\\[.*+?^${}()|[\]\\\/]|[^.*+?^${}()|[\]\\\/])*)\$\//)
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return match
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? match[1].replace(/\\(.)/g, '$1').split('/')
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: path.toString()
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}
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function getMockRoutesIndex(app) {
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for (let index = 0; index <= app._router.stack.length; index++) {
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const r = app._router.stack[index]
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if (r.route && r.route.path) {
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const path = getPath(r.route.path)
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if (path.includes('mock')) {
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return index
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}
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}
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}
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}
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module.exports = app => {
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// es6 polyfill
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require('@babel/register')
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// parse app.body
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// http://expressjs.com/en/4x/api.html#req.body
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app.use(bodyParser.json())
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app.use(bodyParser.urlencoded({
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extended: true
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}))
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const { mockRoutesLength } = registerRoutes(app)
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// watch files, hot reload mock server
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chokidar.watch(('./mock'), {
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ignored: 'mock/mock-server.js',
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persistent: true,
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ignoreInitial: true
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}).on('all', (event, path) => {
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if (event === 'change' || event === 'add') {
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// find mock routes stack index
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const index = getMockRoutesIndex(app)
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// remove mock routes stack
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app._router.stack.splice(index, mockRoutesLength)
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// clear routes cache
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unregisterRoutes()
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registerRoutes(app)
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console.log(chalk.magentaBright(`\n > Mock Server hot reload success! changed ${path}`))
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}
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})
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}
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