support hmr

mock/mock-server.js

@@ -0,0 +1,69 @@
+
+const chokidar = require('chokidar')
+const bodyParser = require('body-parser')
+
+function getPath(path) {
+  var match = path.toString()
+    .replace('\\/?', '')
+    .replace('(?=\\/|$)', '$')
+    .match(/^\/\^((?:\\[.*+?^${}()|[\]\\\/]|[^.*+?^${}()|[\]\\\/])*)\$\//)
+  return match
+    ? match[1].replace(/\\(.)/g, '$1').split('/')
+    : path.toString()
+}
+
+function registerRoutes(app) {
+  const { default: mocks } = require('./index.js')
+  for (const mock of mocks) {
+    app[mock.type](mock.url, mock.response)
+  }
+  return {
+    mockRoutesLength: Object.keys(mocks).length,
+    caches: require.cache
+  }
+}
+
+function unregisterRoutes(caches) {
+  Object.keys(caches).forEach(i => {
+    if (i.includes('/mock')) {
+      delete caches[require.resolve(i)]
+    }
+  })
+}
+
+function getMockRoutesIndex(app) {
+  for (let index = 0; index <= app._router.stack.length; index++) {
+    const r = app._router.stack[index]
+    if (r.route && r.route.path) {
+      const path = getPath(r.route.path)
+      if (path.includes('mock')) {
+        return index
+      }
+    }
+  }
+}
+
+module.exports = app => {
+  require('@babel/register')
+
+  app.use(bodyParser.json())
+  app.use(bodyParser.urlencoded({
+    extended: true
+  }))
+
+  const { mockRoutesLength, caches } = registerRoutes(app)
+
+  chokidar.watch(('./mock'), { ignored: 'mock/mock-server.js', persistent: true, ignoreInitial: false }).on('all', (event, path) => {
+    if (event === 'change' || event === 'add') {
+      const index = getMockRoutesIndex(app)
+
+      app._router.stack.splice(index, mockRoutesLength)
+      console.log('caches')
+      console.log(index)
+      // console.log(path)
+      unregisterRoutes(caches)
+      // console.log(app)
+      registerRoutes(app)
+    }
+  })
+}

package.json

@@ -82,6 +82,7 @@
     "babel-eslint": "10.0.1",
     "babel-jest": "23.6.0",
     "chalk": "2.4.2",
+    "chokidar": "2.1.5",
     "connect": "3.6.6",
     "eslint": "5.15.3",
     "eslint-plugin-vue": "5.2.2",

vue.config.js

@@ -41,22 +41,7 @@ module.exports = {
         }
       }
     },
-    after(app) {
-      require('@babel/register')
-      const bodyParser = require('body-parser')
-
-      // parse app.body
-      // http://expressjs.com/en/4x/api.html#req.body
-      app.use(bodyParser.json())
-      app.use(bodyParser.urlencoded({
-        extended: true
-      }))
-
-      const { default: mocks } = require('./mock')
-      for (const mock of mocks) {
-        app[mock.type](mock.url, mock.response)
-      }
-    }
+    after: require('./mock/mock-server.js')
   },
   configureWebpack: {
     // provide the app's title in webpack's name field, so that