Merge pull request #2999 from marmelab/fix-ra-data-graphql-doc

Fix missing mention of compulsory buildQuery param in ra-data-graphql

packages/ra-data-graphql/README.md

@@ -50,6 +50,7 @@ import React, { Component } from 'react';
 import buildGraphQLProvider from 'ra-data-graphql';
 import { Admin, Resource, Delete } from 'react-admin';
 
+import builqQuery from './buildQuery'; // see Specify your queries and mutations section below
 import { PostCreate, PostEdit, PostList } from '../components/admin/posts';
 
 class App extends Component {
@@ -58,7 +59,7 @@ class App extends Component {
         this.state = { dataProvider: null };
     }
     componentDidMount() {
-        buildGraphQLProvider()
+        buildGraphQLProvider({ buildQuery })
             .then(dataProvider => this.setState({ dataProvider }));
     }
 
@@ -124,7 +125,7 @@ The `./schema` file is a `schema.json` in `./scr` retrieved with [`get-graphql-s
 
 ## Specify your queries and mutations
 
-For the provider to know how to map react-admin request to apollo queries and mutations, you must provide a `queryBuilder` option. The `queryBuilder` is a factory function which will be called with the introspection query result.
+For the provider to know how to map react-admin request to apollo queries and mutations, you must provide a `buildQuery` option. The `buildQuery` is a factory function which will be called with the introspection query result.
 
 The introspection result is an object with 4 properties:
 
@@ -184,9 +185,9 @@ For example:
 }
 ```
 
-The `queryBuilder` function must return a function which will be called with the same parameters as the react-admin data provider but must return an object matching the `options` of the ApolloClient [query](http://dev.apollodata.com/core/apollo-client-api.html#ApolloClient.query) method with an additional `parseResponse` function.
+The `buildQuery` function must return a function which will be called with the same parameters as the react-admin data provider, but must return an object matching the `options` of the ApolloClient [query](http://dev.apollodata.com/core/apollo-client-api.html#ApolloClient.query) method with an additional `parseResponse` function.
 
-This `parseResponse` function will be called with an [ApolloQueryResult](http://dev.apollodata.com/core/apollo-client-api.html#ApolloQueryResult) and must returns the data expected by react-admin.
+This `parseResponse` function will be called with an [ApolloQueryResult](http://dev.apollodata.com/core/apollo-client-api.html#ApolloQueryResult) and must return the data expected by react-admin.
 
 For example: