blogg

qraphql tryout

Prerequisites

• go 1.14
• golangci-lint (to run linter)

Run

• go generate ./...
• go run server.go
• open http://localhost:8080/

Features:

Posts crud

mutation createTodo {
 createPost(input:{title:"My Tiyile 1", description:"myDesct"}) {
   id
   title
   publicationDate
   description
 }
}

query getPosts {
 getPosts(limit: 5, offset:0) {
   id
   title
   publicationDate
   description
 }
}

WS subscription

(in chrome browser console):

let ws = new WebSocket("ws://localhost:8080/subscribe");
ws.onopen = function(evt) {
    console.log("OPEN");
    ws.send("subscribe")
}
ws.onclose = function(evt) {
    console.log("CLOSE");
    ws = null;
}
ws.onmessage = function(evt) {
    console.log("RESPONSE: " + evt.data);
}
ws.onerror = function(evt) {
    console.log("ERROR: " + evt.data);
}