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December 16, 2018 12:30
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appsync-query example
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'use strict'; | |
const aws_exports = require('./aws-export').default; | |
// CONFIG | |
const AppSync = { | |
"graphqlEndpoint": aws_exports.graphqlEndpoint, | |
"region": aws_exports.region, | |
"authenticationType": aws_exports.authenticationType, | |
"apiKey": aws_exports.apiKey, | |
}; | |
const ApiId = aws_exports.ApiId; | |
// POLYFILLS | |
global.WebSocket = require('ws'); | |
global.window = global.window || { | |
setTimeout: setTimeout, | |
clearTimeout: clearTimeout, | |
WebSocket: global.WebSocket, | |
ArrayBuffer: global.ArrayBuffer, | |
addEventListener: function () { }, | |
navigator: { onLine: true } | |
}; | |
global.localStorage = { | |
store: {}, | |
getItem: function (key) { | |
return this.store[key] | |
}, | |
setItem: function (key, value) { | |
this.store[key] = value | |
}, | |
removeItem: function (key) { | |
delete this.store[key] | |
} | |
}; | |
require('es6-promise').polyfill(); | |
require('isomorphic-fetch'); | |
// Require AppSync module | |
const AUTH_TYPE = require('aws-appsync/lib/link/auth-link').AUTH_TYPE; | |
const AWSAppSyncClient = require('aws-appsync').default; | |
// INIT | |
// Set up AppSync client | |
const client = new AWSAppSyncClient({ | |
url: AppSync.graphqlEndpoint, | |
region: AppSync.region, | |
auth: { | |
type: AUTH_TYPE.API_KEY, | |
apiKey: AppSync.apiKey | |
} | |
}); | |
// GRAPHQL | |
const gql = require('graphql-tag'); | |
const Query = gql(` | |
query listPosts { | |
listPosts { | |
items { | |
author | |
id | |
url | |
content | |
title | |
} | |
} | |
} | |
`) | |
// APP CODE | |
client.hydrated().then(function (client) { | |
// Now run a query | |
client.query({ query: Query}) | |
.then(function log(data) { | |
data = JSON.stringify(data); | |
data = JSON.parse(data); | |
if(data.data.listPosts) { | |
console.log('(Query Data) All Posts ----------->', data.data.listPosts.items); | |
} | |
else { | |
console.log("Error while fetching data"); | |
} | |
}) | |
.catch(console.error); | |
}); | |
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