![\"Level](\"/img/richardson.png\")
GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data. GraphQL provides a complete and understandable description of the data in your API, gives clients the power to ask for exactly what they need and nothing more, makes it easier to evolve APIs over time, and enables powerful developer tools.
\nEntities served by the API
\nMapping, HTTP…
\nPUT: Replace
\nGET: Retrieve a collection or entity
\netc…
\nHypermedia As The Engine Of Application State
\n
{\n file(relativePath: { eq: "hero.jpg" }) {\n url\n }\n users {\n id\n name\n age\n posts {\n id\n excerpt\n }\n }\n}
This is an example of embedding a single tweet card.\nAdd any markdown as you normally do, and then insert a valid\nTweet link anywhere to automatically transform it into an\nembed card.
\n\n\nAll the great minds behind the Gatsby presentations at @BADCamp https://t.co/waarKr3uZj pic.twitter.com/iwvGWRayPb
— Gatsby (@gatsbyjs) October 26, 2018
You can embed several tweets
\n\n\nGatsby is magic
— Wes Bos (@wesbos) November 30, 2018
\n\n\nDon’t mean to overhype it, and note it has its warts. But @gatsbyjs blog authoring experience is incredible. Hot reloading feels instant. I write posts and tweak styles or layout, and see my changes reflected in real time. This was my dream.
— Dan Abramov (@dan_abramov) December 1, 2018
sequenceDiagram\n participant Alice\n participant Bob\n Alice->John: Hello John, how are you?\n loop Healthcheck\n John->John: Fight against hypochondria\n end\n Note right of John: Rational thoughts <br/>prevail...\n John-->Alice: Great!\n John->Bob: How about you?\n Bob-->John: Jolly good!