koa Questions

3

An example generator.js: exports.read = function *(){ var a = yield read('co.github.js'); var b = yield read('co.recevier.js'); var c = yield read('co.yield.js'); console.log([a,b,c]); } fun...
Durr asked 24/6, 2014 at 13:55

1

Solved

I'm developing a mock server using koajs, and i would like to publish a service which lists developed APIs. I use koa-router for mouting services. And i would like somethink like: var business_r...
Magnanimous asked 4/7, 2016 at 16:37

5

Solved

Recently I work on a new project and this project use JavaScript callbacks in nodejs. Now we use KOA but the problem happens when we try to use ES6 Generators and callbacks. //Calback function fun...
Vaulting asked 27/2, 2014 at 5:28

2

Solved

I am trying to run a very simple node.js server on an Azure Web Appp to serve a single page application. The server will serve up static pages, and will always server 'index.html' for page requests...
Divulge asked 8/3, 2016 at 22:51

1

Solved

I am using webpack-dev-server for an angularjs app, I start it from a task in package.json like this: "scripts": { "start-api": "node api/server.js", "dev": "webpack-dev-server --env dev --hist...
Bonar asked 21/2, 2016 at 16:13

1

Sorry, I don't quite understand how secret key works in koa. In koa, there is a keys field on app object which will be used like this: const app = new Koa(); app.keys = ['some secret', 'another se...
Boarish asked 12/2, 2016 at 12:19

1

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I want to create a koa route that acts like a proxy for another url, which delivers a file that is usually a few dozens of Megabytes. Therefore I would like not to block when making the response. ...
Schroer asked 21/1, 2016 at 9:4

1

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I have two apps, one front end and one a REST API back-end. How do I get the IP address of the user accessing the back-end when the front-end client makes a request to the back-end? I have tried t...
Globate asked 1/1, 2016 at 7:22

1

Solved

I have a Koa server using webpack-dev-middleware and webpack-hot-middleware doing hot module replacement (HMR), so the middleware uses a websocket to push changes to the client. But my application...
Diaconate asked 7/11, 2015 at 16:2

2

Solved

Didn't find full answer .. What happens when promise is yielded? Is such construction var p = new Promise() p.resolve(value) function * (){ yield p } equivalent to function * (){ yield val...
Entebbe asked 26/11, 2015 at 22:29

2

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I try to get an information from a redis db and return it as the body of the response to the user. First, here is a code that fails : var redis = require("redis"), koa = require("koa"); var app ...
Toplevel asked 26/8, 2014 at 0:41

1

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I am in the process of writing my first Koa.js app, and having recently been introduced to the ES2016 (aka ES7) features of async / await, I wanted to make use of these. I found that my Google ski...
Hyacinthus asked 27/10, 2015 at 13:32

1

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I have a very simple Koa application: var app = module.exports = require("koa")(); app.use(function *(){ this.body = "Koa says Hi!"; }); var port = process.env.PORT || (process.argv[2] || 3000)...
Adumbral asked 30/9, 2015 at 14:26

4

Solved

I have KOA Like below : var koa = require('koa'), bodyParser = require('koa-body-parser'), router = require('koa-router'), app = koa(); app.use(router(app)); app.use(bodyParser()); app.post('http...
Gyral asked 3/3, 2014 at 13:29

1

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I don't know how I'd term this maybe 'static call to a koa router'? Does that seem like the right wordage here for what I'm really trying to accomplish if you were to talk about it technically? An...
Gretchen asked 16/7, 2015 at 21:22

3

Solved

var app = require('koa')(); var router = require('koa-router'); app.use(router(app)); Throws this error: AssertionError: app.use() requires a generator function A lot of sample code says to...
Pronouncement asked 10/7, 2015 at 5:54

3

I build a RESTful api with node.js and express / koa. I want to filter the JSON data input - for security reasons as well to have only the needed business specific properties. After filtering the ...
Gretna asked 2/1, 2015 at 15:35

2

I'm using Koa, Passport.js and koa-session to authenticate users. So it basically looks like: // session var session = require('koa-session'); app.keys = [config.secret]; app.use(session()); // ...
Accustomed asked 30/10, 2014 at 1:5

1

I'm trying to send a large result-set from a Mongo database to the user of a Koa application (using Mongoose). I originally had something like: var res = yield Model.find().limit(500).exec(); thi...
Clein asked 11/2, 2015 at 2:6

2

Solved

I am using this module for koajs sessions. I checked the source code but I really cannot understand it. I am trying to know where it is saving the session data, because I see no files created, and...
Vern asked 17/4, 2015 at 6:8

2

I have a simple setup for koa.js with koa-route and koa-ejs. var koa = require('koa'); var route = require('koa-route'); var add_ejs = require('koa-ejs'); var app = koa(); add_ejs(app, {…}); app...
Tyndall asked 16/6, 2014 at 3:14

1

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How can I accomplish the following KOA route handler: app.get("/Chicago_Metro/Cicero_City", myFunctionHandler1) app.get("/Cook_County/Cicero_City", myFunctionHandler2) and end up with "Chicago" ...
Pentalpha asked 6/1, 2015 at 20:26

2

I'm wrapping my head around the new ecma6 generators and yield-operator in javascript, specifically in the context of koa. Consider the contrived example: newUser.save(function(err, user) { if...
Frowzy asked 30/12, 2013 at 19:41

1

Solved

In Koa I can accesss a Koa Context in the first generator function via this: app.use(function *(){ this; // is the Context } But if I yield to another generator function I can't access the cont...
Fetus asked 30/10, 2014 at 1:37

2

Could someone help me understand the differences between using Koa.js and Bluebird.js with ES6 Harmony. Specifically, how does co( function * () { //stuff } ); compare to, Promise.coroutine( ...
Cakewalk asked 2/3, 2014 at 22:2

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