A sample Svelte 3 app to demonstrate usage of GraphQL Queries, Mutations and Subscriptions with svelte-apollo, Hasura GraphQL engine and Postgres as database. Forked from the standard svelte template
Deploy Postgres and GraphQL Engine on Heroku:
Please checkout our docs for other deployment methods
Get the Heroku app URL (say my-app.herokuapp.com
)
Create author
table:
Open Hasura console: visit https://my-app.herokuapp.com on a browser
Navigate to Data
section in the top nav bar and create a table as follows:
Insert sample data into author
table:
Verify if the row is inserted successfully
Similarly, create an article table with the following data model:
table: article
columns: id
, title
, content
, author_id
(foreign key to author
table's id
) and created_at
Now create a relationship from article table to author table by going to the Relationships tab.
Clone this repo:
git clone https://github.com/hasura/graphql-engine
cd graphql-engine/community/sample-apps/svelte-apollo
Install the dependencies...
npm install
src/apollo.js
and configure Hasura's GraphQL Endpoint as follows:
const wsLink = new WebSocketLink({
uri: "ws://localhost:8080/v1/graphql",
options: {
reconnect: true,
lazy: true
},
connectionParams: () => {
return { headers: getHeaders() };
},
});
const httpLink = new HttpLink({
uri: "http://localhost:8080/v1/graphql",
headers: getHeaders()
});
Replace the uri
argument with your Hasura GraphQL Endpoint for both wsLink
and httpLink
Start Rollup:
npm run dev
Navigate to localhost:5000. You should see your app running. Edit a component file in src
, save it, and reload the page to see your changes.
Install now
if you haven't already:
npm install -g now
Then, from within your project folder:
now
This will deploy the app on Now 2.0 Platform and you have the Svetle app running live :)