65 lines
1.7 KiB
JavaScript
65 lines
1.7 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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const path = require('path')
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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 { 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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mockLastIndex = app._router.stack.length
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}
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const mockRoutesLength = Object.keys(mocks).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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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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// https://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 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.watch(mockDir, {
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ignored: /mock-server/,
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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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// 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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}
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})
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}
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