generate_mock.sh

#!/bin/sh

java -jar ../../swagger-codegen-cli.jar generate -i ../swagger.yml -l nodejs-server

gistfile1.txt

  "scripts": {
    ...
    "swagger:combine": "multi-file-swagger -o yaml swagger/index.yml > ./swagger.yml",
    "swagger:validate": "./node_modules/swagger-cli/bin/swagger-cli.js validate ./swagger.yml",
    "swagger:generate": "java -Dmodels -Dapis -DapiTests=false -DapiDocs=false -DmodelTests=false -DmodelDocs=false -jar ../swagger-codegen-cli.jar generate -i ./swagger.yml -l javascript -o ./ --additional-properties usePromises=true,useES6=true",
    "swagger:generate-ts": "./openapitools/openapi-generator-cli generate -i ./swagger.yaml -g typescript-fetch -o ./ -Dmodels -Dapis --additional-properties=withSeparateModelsAndApi=true -DsupportingFiles=index.ts && rm src/index.ts .openapi-generator-ignore",

"swagger:mock": "cd mock; yarn install; ./generate_mock.sh",
    "update-api": "npm-run-all swagger:combine swagger:validate swagger:generate",
    ...
  },

mock_index.js

'use strict';

var fs = require('fs'),
    path = require('path'),
    http = require('http');

var app = require('connect')();
var cors = require('cors');
var swaggerTools = require('swagger-tools');
var jsyaml = require('js-yaml');
var serverPort = 8080;

// swaggerRouter configuration
var options = {
  swaggerUi: path.join(__dirname, '/swagger.json'),
  controllers: path.join(__dirname, './controllers'),
  ignoreMissingHandlers: true,
  useStubs: process.env.NODE_ENV === 'development' // Conditionally turn on stubs (mock mode)
};

// The Swagger document (require it, build it programmatically, fetch it from a URL, ...)
var spec = fs.readFileSync(path.join(__dirname,'api/swagger.yaml'), 'utf8');
var swaggerDoc = jsyaml.safeLoad(spec);

// Initialize the Swagger middleware
swaggerTools.initializeMiddleware(swaggerDoc, function (middleware) {

  app.use(cors());

  app.use((function(){
    let postData = "";
    return function(req, res, next) {
      req.on("data", function(chunk) {
        postData += chunk;
      });
      req.on("end", function() {
        console.log(req.method + " " + req.url + " " + JSON.stringify(postData));
      });
      return next();
    }
  })());

  // Interpret Swagger resources and attach metadata to request - must be first in swagger-tools middleware chain
  app.use(middleware.swaggerMetadata());

  // Validate Swagger requests
  app.use(middleware.swaggerValidator());

  // Route validated requests to appropriate controller
  app.use(middleware.swaggerRouter(options));

  // Serve the Swagger documents and Swagger UI
  app.use(middleware.swaggerUi());

  // Start the server
  http.createServer(app).listen(serverPort, function () {
    console.log('options.ignoreMissingHandlers: %s', options.ignoreMissingHandlers);
    console.log('Your environment is %s', process.env.NODE_ENV);
    console.log('Your server is listening on port %d (http://localhost:%d)', serverPort, serverPort);
    console.log('Swagger-ui is available on http://localhost:%d/docs', serverPort);
  });
});