letcome-env

Protocol

200 OK：请求成功
201 Created：已创建
204 No Content：没有实体内容相应

300 Multiple Choices：重定向
301 Moved Permanently：永久重定向
302 Found：临时重定向
304 Not Modified：可继续使用缓存

400 Bad Request：客户端错误
401 Unauthorized：未登录
402 Payment Required：需要支付
403 Forbidden：禁止操作
404 Not Found：目标不存在
405 Method Not Allowed：请求方法不被支持
406 Not Acceptable：参数不正确
408 Request Timeout：请求超时
409 Conflict：产生冲突
410 Gone：目标已消失
412 Precondition Failed：先决条件不满足
413 Request Entity Too Large：请求实体太大
415 Unsupported Media Type：服务器不支持该格式
416 Requested Range Not Satisfiable：请求范围不被满足
422 Unprocessable Entity：格式正确但语义错误
423 Locked：资源已被锁定
428 Precondition Required：要求满足一定条件
429 Too Many Requests：请求次数太多
451 Unavailable For Legal Reasons：法律要求被拒绝

500 Internal Server Error：服务器错误
501 Not Implemented：服务器不支持该功能
503 Service Unavailable：服务不可用
507 Insufficient Storage：服务器存储空间不够

Globals

_ https://github.com/lodash/lodash

ms https://github.com/zeit/ms

logger https://github.com/winstonjs/winston

router https://github.com/ZijianHe/koa-router

agenda https://github.com/agenda/agenda

arhat https://wiki.lynctone.com/

broker https://github.com/dashersw/cote

mongoose https://github.com/Automattic/mongoose

jwtoken https://github.com/auth0/node-jsonwebtoken

Example

var request = require( 'superagent-use' )( require( 'superagent' ));

request.use( request => {
    request.set( 'Authorization', 'Bearer xxxxx' );         // token 认证
    request.timeout({ response: 8000, deadline: 60000 });   // 普通请求8秒，上传下载1分钟
    if ( request.method === 'GET' ) request.retry();        // 只有 GET 请求能安全重试
});

request.use( request => {
    request.catch( err => {
        if ( err.timeout || !err.status ) console.log( '网络不太好' );
        else if ( err.status >= 500 ) console.log( '有些不对劲' );
    });
});

let req = request.get( 'https://api.letcome.net' )
    .query({ aa: 'bb' })
    .then( res => {})
    .catch( err => {
        if ( err.status >= 400 && err.status < 500 )
            console.log( `请求不合法 ${ err.status }` );    // 前端需要细化提示
    });