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MOKY

moky = mock + proxy

JavaScript Style Guide

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A proxy server with mock

中文 README

How to use

Node: v7.6.0+

  • npm i moky -g (or yarn global add moky)
  • Run moky -i (if no config file), init a new moky.config.js
  • Modify moky.config.js
  • Run moky in the same directory with moky.config.js

Quick start

If you want a quick try, clone the project to disk

  • cd moky/example
  • Run moky
  • Open http://localhost:3000 & http://localhost:3000/page (default to mock mode)
  • Exit and rerun moky -e dev, refresh two pages (async request is pass to proxy)

Screenshot: Screenshot

Configure

The following is just a example, edit as your ways.

cat moky.config.js

const path = require('path');

module.exports = {
  // Listen port for moky server, OPTIONAL
  localPort: 3000,

  // Asnyc api mock directory, OPTIONAL
  // eg: GET /test/api  -> get/test/api.js{on}
  asyncMockPath: path.join(__dirname, 'moky_mock/async_mock'),

  // Template mock directory, OPTIONAL
  // eg: /user/home  ->  user/home.js{on}
  // Tips: this's useful ONLY if your application is template-engine based
  viewsMockPath: path.join(__dirname, 'moky_mock/views_mock'),

  // Default async mock data, OPTIONAL
  // If mock file is missing or empty, then return this
  defaultMock: {},

  // Root directory for template rendering, REQUIRED
  viewsPath: path.join(__dirname, 'views'),

  // Static router, OPTIONAL but usually required
  publicPaths: {
    '/css': path.join(__dirname, 'public/css'),
    '/js': path.join(__dirname, 'public/js'),
  },

  // Template engine settings, the same as koa-views, REQUIRED
  viewConfig: {
    extension: 'html',
    map: { html: 'nunjucks' },
  },

  // Host name of proxy, works for `virtual hosts`, OPTIONAL
  hostName: 'randomuser.me',

  // Settings for proxy, OPTIONAL
  // Value can be like: <URL1>#<URL2>,
  // here <URL1> is for page proxy, <URL2> is for async api proxy
  // Tips: if <URL1> is missing, then page uses mock data
  proxyMaps: {
    dev: '#https://104.31.90.126:443',
    local: 'http://localhost:8080',
  },

  // Settings for template page routing, REQUIRED
  // Tips: path prefix and file suffix are not required
  urlMaps: {
    '/': 'index',
    '/page': 'page/index',
  },
}

Template engine

The moky has integrated some major template engines, if your template is one of the following type, your don't need to do anything, it works well.

  • freemarker (JAVA_HOME should set correctly)
  • handlebars
  • nunjucks
  • ejs
  • pug

BUT, for we use koa-views and koa-views use consolidate.js, it's quite easy to enable a template engine, if you use a template engine we don't include, issues welcome :-)

More

moky -h

Usage: moky [options]

Options:
  -e, --env      Proxy env, see <proxyMaps> in configure file   [default: false]
  -i, --init     Create a config file in current directofy      [default: false]
  -c, --config   Configure file path                 [default: "moky.config.js"]
  -r, --rewrite  Write proxy data to mock file (1-write if not exist, 2-write
                 even if exist)                                     [default: 0]
  -V, --verbose  Show detail logs                               [default: false]
  -h, --help     Show help                                             [boolean]
  -v, --version  Show version number                                   [boolean]

Integrate in your app

It's easy to integrate moky in your own cli app.

  • Install as dependencies: npm i moky -S
  • In the entry of your app:
const yargs = require('yargs')
const { builder, handler } = require('moky')

const argv = yargs
 .options(builder)
 .argv

handler(argv)

For more, see src/cli.js

Tips

  • Be tired with filling common views mock ? Try putting a __COMMON__.js{on} in viewsMockPath !
  • Mock files with js(Should be exported as CommonJS module) & json extension are friendly supported.
  • Use moky -e for proxyMaps list, moky -e <url> & moky -e <key> both work well.
  • --rewrite option is ONLY for async request.

About views(page) proxy

If your application is SPA, you can ignore this part.

If we set views in proxy mode, actually we can't work in right way.

In mock mode, we get JSON data from local dist and render it with template files, at last, we see the rendered HTML file. But in proxy mode, the server returns HTML file by default, we can't extract JSON data from HTML file!

Then, in real world, we need to patch server, the most import is making the server recognize the sender of requests. In moky, we append a X-Proxy-Header: true header in every requests, you should patch your server in a proper way(which depends on the type of the engine). If you receive such header, just return the data you will render in template file, and write back the header.

If your server is NodeJS, you can patch in middleware; if it's Java with Spring MVC, you can patch in interceptor. These will not break normal logic neither.

License

license

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