Custom nested mutations using @cypher on input fields (#542)

* blocks generated translation of input objects to cypher parameters

* clones the gql definitions object to prevent errors with repeated augmentation

* adds INPUT_FIELD_DEFINITION to @cypher locations

* adds support for nested and sibling @cypher on INPUT_FIELD_DEFINITION

* adds test paths for nested @cypher input

* helpers for @cypher input tests

* test schema for @cypher input

* simplifies import path, removes misplaced config

* test helpers for @cypher input (experimental)

* test schema for @cypher input (experimental)

* updates @cypher directive

* updates @cypher directive

* updates @cypher directive

* @cypher input tests

* @cypher input tests (experimental)

package.json

@@ -16,7 +16,7 @@
     "build-with-sourcemaps": "babel src --presets @babel/preset-env --out-dir dist --source-maps",
     "precommit": "lint-staged",
     "prepare": "npm run build",
-    "test": "nyc --reporter=lcov ava test/unit/augmentSchemaTest.test.js test/unit/configTest.test.js test/unit/assertSchema.test.js test/unit/cypherTest.test.js test/unit/filterTest.test.js test/unit/filterTests.test.js test/unit/experimental/augmentSchemaTest.test.js test/unit/experimental/cypherTest.test.js",
+    "test": "nyc --reporter=lcov ava test/unit/augmentSchemaTest.test.js test/unit/configTest.test.js test/unit/assertSchema.test.js test/unit/cypherTest.test.js test/unit/filterTest.test.js test/unit/filterTests.test.js test/unit/custom/cypherTest.test.js test/unit/experimental/augmentSchemaTest.test.js test/unit/experimental/cypherTest.test.js test/unit/experimental/custom/cypherTest.test.js",
     "parse-tck": "babel-node test/helpers/tck/parseTck.js",
     "test-tck": "nyc ava --fail-fast test/unit/filterTests.test.js",
     "report-coverage": "nyc report --reporter=text-lcov > coverage.lcov && codecov",

src/augment/augment.js

@@ -18,6 +18,7 @@ import {
 import { augmentDirectiveDefinitions } from './directives';
 import { extractResolversFromSchema, augmentResolvers } from './resolvers';
 import { addAuthDirectiveImplementations } from '../auth';
+import _ from 'lodash';
 
 /**
  * The main export for augmenting an SDL document
@@ -40,7 +41,7 @@ export const makeAugmentedExecutableSchema = ({
   let definitions = [];
   if (isParsedTypeDefs) {
     // Print if we recieved parsed type definitions in a GraphQL Document
-    definitions = typeDefs.definitions;
+    definitions = _.cloneDeep(typeDefs.definitions);
   } else {
     // Otherwise parse the SDL and get its definitions
     definitions = parse(typeDefs).definitions;

src/augment/directives.js

@@ -315,7 +315,10 @@ const directiveDefinitionBuilderMap = {
           }
         }
       ],
-      locations: [DirectiveLocation.FIELD_DEFINITION]
+      locations: [
+        DirectiveLocation.FIELD_DEFINITION,
+        DirectiveLocation.INPUT_FIELD_DEFINITION
+      ]
     };
   },
   [DirectiveDefinition.RELATION]: ({ config }) => {