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+---
+title: GraphQL
+category: Misc
+---
+
+## Queries
+
+```js
+{ status }
+// → { status: 'available' }
+```
+
+### Nesting
+
+```js
+{ hero { name height } }
+// → { hero:
+//     { name: "Luke Skywalker",
+//       height: 1.74 } }
+```
+
+### Lookups
+
+```js
+{
+  hero(id: "1000") { id name }
+}
+// → { hero:
+//     { id: "1000",
+//     { name: "Luke Skywalker" } }
+```
+
+### Aliases
+
+```js
+{
+  luke: hero(id: "1000") { name }
+  han: hero(id: "1001") { name }
+}
+// → { luke:
+//     { name: "Luke Skywalker" },
+//     han:
+//     { name: "Han Solo" } }
+```
+
+### Variables
+
+```js
+{ hero(id: $id) }  // Query
+---
+{ id: '1000' }     // Variables
+```
+
+### Operation name
+
+Just to make things less ambiguous.
+
+```js
+query FindHero($id: String) {
+  hero(id: $id) { name }
+}
+```
+
+### Mutations
+
+Mutations are just fields that do something when queried.
+
+```js
+{ createReview($review) { id } }  // Query
+---
+{ review: { stars: 5 } }          // Variables
+// → { createReview: { id: 5291 } }
+```
+
+Over HTTP
+---------
+
+```js
+// Get
+fetch('http://myapi/graphql?query={me{name}')
+```
+
+### POST
+
+```js
+// Post
+fetch('http://myapi/graphql', {
+  body: JSON.stringify({
+    query: "...",
+    operationName: "...",
+    "variables": { ... }
+  })
+})
+
+
+References
+----------
+
+- <http://graphql.org/learn/queries/>
+- <http://graphql.org/learn/serving-over-http/>