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Koa' application generator for 1.x and 2.x( Express-style and support all middlewares include async/await )

Home Page: https://github.com/17koa/koa-generator

License: MIT License

JavaScript 93.01% CSS 0.52% Shell 0.27% Less 0.52% Sass 0.47% SCSS 0.64% Stylus 0.46% EJS 1.44% Handlebars 1.38% Pug 1.29%
koa koa2 koa-generator koa-starter web scaffold nodejs

koa-generator's Introduction

koa-generator

http://koajs.com/

Koa application generator.

NPM Version NPM Downloads

Features

  • Express-style
  • Support koa 1.x(supported)
  • Support koa 2.x(koa middleware supported,need Node.js 7.6+ ,babel optional)

Installation

$ npm install -g koa-generator

with 2 commands

  • koa (Support koa 1.x)
  • koa2 (Support koa 2.x)

Quick Start 1.x

The quickest way to get started with koa is to utilize the executable koa(1) to generate an application as shown below:

Create the app:

$ koa

Install dependencies:

$ npm install

Rock and Roll

$ npm start

Quick Start 2.x

The quickest way to get started with koa is to utilize the executable koa2(1) to generate an application as shown below:

Create the app:

$ koa2 /tmp/foo && cd /tmp/foo

Install dependencies:

$ npm install

Rock and Roll

$ npm start

more detail see koa2-demo

Command Line Options

This generator can also be further configured with the following command line flags.

-h, --help          output usage information
-V, --version       output the version number
-e, --ejs           add ejs engine support (defaults to jade)
    --hbs           add handlebars engine support
-n, --nunjucks      add nunjucks engine support
-H, --hogan         add hogan.js engine support
-c, --css <engine>  add stylesheet <engine> support (less|stylus|compass|sass) (defaults to plain css)
    --git           add .gitignore
-f, --force         force on non-empty directory

目前选项-c还没有实现

Git Branch Details

  • master = koa generator
  • tpl = koa 1.x template
  • tpl_2.x = koa 2.x template

License

MIT

koa-generator's People

Contributors

i5ting avatar jacky810124 avatar liushigit avatar miaowing avatar sinalvee avatar zzall avatar

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koa-generator's Issues

handlebars配置layout刷新路径直接读取文件内容问题

从这里下载了koa-generator, 想在index.hbs继承layout.hbs,做了下面的修改
app.js

app.use(views(__dirname + '/views', {
  extension: 'hbs',
  map: { hbs: 'handlebars' },
  options: {
      partials: {
          layout: './layout' 
      }
  }
}))

就改了这个,第一次没有报错,第二次貌似把layout.hbs的内容读出来作为路径了

  Error: ENOENT: no such file or directory, open 'F:\person_project\github\koa2_learn\views\<!DOCTYPE html>
  <html>
    <head>
      <title>{{title}}<\title>
      <link rel='stylesheet' href='\stylesheets\style.css' \>
    <\head>
    <body>
      {{{body}}}
    <\body>
  <\html>

初学不是太懂,指教一下,thanks

@koa/router

diff --git a/package.json b/package.json
index 16b6b46..556d519 100644
--- a/package.json
+++ b/package.json
@@ -9,19 +9,19 @@
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "dependencies": {
+    "@koa/router": "^9.0.0",
     "debug": "^4.1.1",
-    "koa": "^2.7.0",
-    "koa-bodyparser": "^4.2.1",
+    "koa": "^2.11.0",
+    "koa-bodyparser": "^4.3.0",
     "koa-convert": "^1.2.0",
     "koa-json": "^2.0.2",
-    "koa-logger": "^3.2.0",
+    "koa-logger": "^3.2.1",
     "koa-onerror": "^4.1.0",
-    "koa-router": "^7.4.0",
     "koa-static": "^5.0.0",
-    "koa-views": "^6.2.0",
-    "pug": "^2.0.3"
+    "koa-views": "^6.2.1",
+    "pug": "^2.0.4"
   },
   "devDependencies": {
-    "nodemon": "^1.19.1"
+    "nodemon": "^1.19.4"
   }
 }
diff --git a/routes/index.js b/routes/index.js
index f75048e..89b8678 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -1,4 +1,4 @@
-const router = require('koa-router')()
+const router = require('@koa/router')()

 router.get('/', async (ctx, next) => {
   await ctx.render('index', {
diff --git a/routes/users.js b/routes/users.js
index c650166..bf66675 100644
--- a/routes/users.js
+++ b/routes/users.js
@@ -1,4 +1,4 @@
-const router = require('koa-router')()
+const router = require('@koa/router')()

 router.prefix('/users')

koa-router已经更名为 @koa/router

无法创建项目

系统: win10 node.js版本:v8.x.x
安装完koa-generator之后,无法创建项目,提示koa2:command not found,尝试重置过系统环境变量也没用,我应该如何排错?

Action required: Greenkeeper could not be activated 🚨

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To enable Greenkeeper, you need to make sure that a commit status is reported on all branches. This is required by Greenkeeper because it uses your CI build statuses to figure out when to notify you about breaking changes.

Since we didn’t receive a CI status on the greenkeeper/initial branch, it’s possible that you don’t have CI set up yet.
We recommend using:

If you have already set up a CI for this repository, you might need to check how it’s configured. Make sure it is set to run on all new branches. If you don’t want it to run on absolutely every branch, you can whitelist branches starting with greenkeeper/.

Once you have installed and configured CI on this repository correctly, you’ll need to re-trigger Greenkeeper’s initial pull request. To do this, please click the 'fix repo' button on account.greenkeeper.io.

Deprecated use of generators

$ ./bin/run

koa deprecated Support for generators will been removed in v3. See the documentation for examples of how to convert old middleware https://github.com/koajs/koa/tree/v2.x#old-signature-middleware-v1x app.js:23:5

引入webpack配置

咨询您一个问题,要在此基础上引入webpack做移动端,有什么解决方案吗?

koa2 --ejs

请您确认一个 bug,我执行命令:

koa2 --ejs

生成的代码中仍然使用 jade

app.use(views(__dirname + '/views', {
extension: 'jade'
}));

The view engine not correct setting

I had try with "-e" ,but the config in the code are still jade.

// global middlewares
app.use(views('views', {
  root: __dirname + '/views',
  default: 'jade'
}));

can not run app generated by koa2

I tried

koa2 --hbs --css sass --git koa2-test

Install works fine
https://gist.githubusercontent.com/AubreyHewes/fa6881ecd9089482ccc5a26f0ad2e126/raw

Running npm start works fine
https://gist.githubusercontent.com/AubreyHewes/3498e3ec955cf04ced5cf09e32865b22/raw

  • though handlebars layout is not used (outputs only the index.hbs)
  • though sass middleware is not used (maybe due to the layout not being used?)

Running npm run koa fails...
https://gist.githubusercontent.com/AubreyHewes/20f64418bf61213078ad171296a9ee59/raw

So I installed the failing module babel-plugin-add-module-exports.. then it fails on babel-plugin-transform-es2015-modules-commonjs..
https://gist.githubusercontent.com/AubreyHewes/972d7b3c031d8a59bff1f34dad94e387/raw

So I installed the failing module babel-plugin-transform-es2015-modules-commonjs .. it still fails on the same module babel-plugin-transform-es2015-modules-commonjs..
https://gist.githubusercontent.com/AubreyHewes/b5bee5ee974c10fbe2f7c3e26d1845d7/raw

I assume it's just not ready for what I tried..
I looked into it a little and koa-views does not seem to support handlebars layouts..

Linux 4.2.0-36-generic #42-Ubuntu SMP Thu May 12 22:05:35 UTC 2016 x86_64 x86_64
node: v5.12.0
npm: 3.8.6

Any tips appreciated, thanks.

Extending default routes don't work

router.get('/', async function(ctx, next) {
    ctx.state = {
        title: 'koa2 title'
    };

    await ctx.render('index', {});
})

router.get('/test', async function(ctx, next) {
    let data = {a:1, b:2}
    ctx.status = 200;
    ctx.body = data;
    await next();
});

// -> /test - 404

Do I made any mistakes? Thanks.

use `koa2 -e` ,and visit `http://127.0.0.1:3000`,response : "Not Found"

I use $ koa2 -eto generate a project,

and change default HTML engine to ejs , then start server with npm start,

and visit: http://127.0.0.1:3000 , it response "Not Found".

I debug like this:

co module:

function onFulfilled(res) {
  var ret;
  try {
    console.log(res,'!!!!!!!!!!!'); // and 
    ret = gen.next(res);
  } catch (e) {
    return reject(e);
  }
  next(ret);
}

koa@next module:

function respond(ctx) {
  console.log(ctx.body, 'respond');
  // allow bypassing koa
  if (false === ctx.respond) return;
      ...

and start server with DEBUG=* npm start, and find the log shows like :

undefined '!!!!!!!!!!!!!!!!!!!!!!!'
undefined 'respond'    # respond executed before template parser
  --> GET / 404 27ms -
<!DOCTYPE html>
<html>
  <head>
    <title>Hello World Koa!</title>
    <link rel='stylesheet' href='/stylesheets/style.css' />
  </head>
  <body>
    <h1>Hello World Koa!</h1>
    <p>Welcome to Hello World Koa!</p>
  </body>
</html>
 !!!!!!!!!!!!!!!!!!!!!!!

koa default function(respond) executed before HTML parser , why? and how to debug it then?

`log` is not defined.

template file: koa-generator/templates1/js/app.js

app.on('error', function(err, ctx){ log.error('server error', err, ctx); });
log here is not defined.

npm run koa的时候报错

执行npm start和npm run pm2都正常运行, 但是执行npm run koa的时候报错如下, 很奇怪哎:

[email protected] koa /Users/magicly/development/koa-test
runkoa bin/www

bin/www
3babel presets path = /Users/magicly/development/koa-test/node_modules/runkoa/node_modules/
/Users/magicly/development/koa-test/node_modules/babel-core/lib/transformation/file/options/option-manager.js:177
throw new ReferenceError(messages.get("pluginUnknown", plugin, loc, i, dirname));
^

ReferenceError: Unknown plugin "/Users/magicly/development/koa-test/node_modules/runkoa/node_modules/babel-plugin-add-module-exports" specified in "base" at 0, attempted to resolve relative to "/Users/magicly/development/koa-test/bin"
at /Users/magicly/development/koa-test/node_modules/babel-core/lib/transformation/file/options/option-manager.js:177:17
at Array.map (native)
at Function.normalisePlugins (/Users/magicly/development/koa-test/node_modules/babel-core/lib/transformation/file/options/option-manager.js:153:20)
at OptionManager.mergeOptions (/Users/magicly/development/koa-test/node_modules/babel-core/lib/transformation/file/options/option-manager.js:245:36)
at OptionManager.init (/Users/magicly/development/koa-test/node_modules/babel-core/lib/transformation/file/options/option-manager.js:383:12)
at compile (/Users/magicly/development/koa-test/node_modules/babel-register/lib/node.js:103:45)
at loader (/Users/magicly/development/koa-test/node_modules/babel-register/lib/node.js:148:14)
at Object.require.extensions.(anonymous function) as .js
at Module.load (module.js:458:32)
at tryModuleLoad (module.js:417:12)

npm ERR! Darwin 15.5.0
npm ERR! argv "/Users/magicly/.nvm/versions/node/v6.2.1/bin/node" "/Users/magicly/.nvm/versions/node/v6.2.1/bin/npm" "run" "koa"

关于koa-generator的错误处理

在routes/index.js这样写:

router.get('/', async (ctx, next)=> {
    throw new Error('aaa')
    ctx.render('index', {
        title: 'fff'
    });
})

请求时会被挂起,没有任何输出,浏览器也一直在请求状态。

在middleware里添加了这个才捕捉到异常信息

app.use(async (ctx,next) =>{
    try {
        await next()
    }catch (e) {
        console.log('err',e)
    }
});

那么问题来了,koa-generator生成的项目怎么处理未捕捉的异常?

npm start 就报错, runkoa 模块依赖的有问题

/Users/Jon_shen/Documents/workpace/mingpian-koa/node_modules/.npminstall/babel-core/6.18.2/babel-core/lib/transformation/file/options/option-manager.js:176
          throw new ReferenceError(messages.get("pluginUnknown", plugin, loc, i, dirname));
          ^

ReferenceError: Unknown plugin "/Users/Jon_shen/Documents/workpace/mingpian-koa/node_modules/.npminstall/1.5.6/runkoa/babel-plugin-add-module-exports" specified in "base" at 0, attempted to resolve relative to "/Users/Jon_shen/Documents/workpace/mingpian-koa/bin"
    at /Users/Jon_shen/Documents/workpace/mingpian-koa/node_modules/.npminstall/babel-core/6.18.2/babel-core/lib/transformation/file/options/option-manager.js:176:17
    at Array.map (native)
    at Function.normalisePlugins (/Users/Jon_shen/Documents/workpace/mingpian-koa/node_modules/.npminstall/babel-core/6.18.2/babel-core/lib/transformation/file/options/option-manager.js:154:20)
    at OptionManager.mergeOptions (/Users/Jon_shen/Documents/workpace/mingpian-koa/node_modules/.npminstall/babel-core/6.18.2/babel-core/lib/transformation/file/options/option-manager.js:229:36)
    at OptionManager.init (/Users/Jon_shen/Documents/workpace/mingpian-koa/node_modules/.npminstall/babel-core/6.18.2/babel-core/lib/transformation/file/options/option-manager.js:374:12)
    at compile (/Users/Jon_shen/Documents/workpace/mingpian-koa/node_modules/.npminstall/babel-register/6.18.0/babel-register/lib/node.js:103:45)
    at loader (/Users/Jon_shen/Documents/workpace/mingpian-koa/node_modules/.npminstall/babel-register/6.18.0/babel-register/lib/node.js:144:14)
    at Object.require.extensions.(anonymous function) [as .js] (/Users/Jon_shen/Documents/workpace/mingpian-koa/node_modules/.npminstall/babel-register/6.18.0/babel-register/lib/node.js:154:7)
    at Module.load (module.js:487:32)
    at tryModuleLoad (module.js:446:12)

自己在 run 文件中受冻配置了 babel就正常了

www文件中listen写死3000

www文件中:
var port = normalizePort(process.env.PORT || '3000');
可是listen的时候是写死的3000,应该是listen 这个port变量吧

centos npm install 失败

windows上npm install 成功 centos上npm install 失败
`# node -v
v12.13.1

npm -v

6.12.1

koa2

npm install

npm WARN deprecated [email protected]: core-js@<3.0 is no longer maintained and not recommended for usage due to the number of issues. Please, upgrade your dependencies to the actual version of core-js@3.
npm WARN deprecated [email protected]: One of your dependencies needs to upgrade to fsevents v2: 1) Proper nodejs v10+ support 2) No more fetching binaries from AWS, smaller package size
npm WARN deprecated [email protected]: CircularJSON is in maintenance only, flatted is its successor.
npm ERR! code ENOENT
npm ERR! syscall open
npm ERR! path /var/nodejs/chart/node_modules/acorn-jsx/node_modules/acorn/package.json.2031230988
npm ERR! errno -2
npm ERR! enoent ENOENT: no such file or directory, open '/var/nodejs/chart/node_modules/acorn-jsx/node_modules/acorn/package.json.2031230988'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent

npm ERR! A complete log of this run can be found in:
npm ERR! /root/.npm/_logs/2019-11-29T05_04_14_458Z-debug.log

`

app中使用koa-router方法无效?

version: 1.1.16

通过koa2 project_name创建项目后,在app.js中,出现了app.use(router.routes(), router.allowedMethods());

app.use()不是只接受第一个参数的吗?

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