Merge pull request #1 from lightsofapollo/add-introspection-query-json

Add handling for introspection query schema.

Author: Tasveer Singh

dist/getSchema.js

@@ -11,23 +11,30 @@ var _fs = require('fs');
 
 var _fs2 = _interopRequireDefault(_fs);
 
+var _path = require('path');
+
+var _path2 = _interopRequireDefault(_path);
+
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 function getSchema(schemaPath) {
   try {
     let source = _fs2.default.readFileSync(schemaPath, 'utf8');
+    if (_path2.default.extname(schemaPath) === '.json') {
+      source = (0, _graphql.printSchema)((0, _graphql.buildClientSchema)(JSON.parse(source).data));
+    }
     source = `
-      directive @include(if: Boolean) on FRAGMENT | FIELD
-      directive @skip(if: Boolean) on FRAGMENT | FIELD
-      directive @relay(pattern: Boolean, plural: Boolean) on FRAGMENT | FIELD
-      ${source}
-    `;
+  directive @include(if: Boolean) on FRAGMENT | FIELD
+  directive @skip(if: Boolean) on FRAGMENT | FIELD
+  directive @relay(pattern: Boolean, plural: Boolean) on FRAGMENT | FIELD
+  ${source}
+  `;
+
     return (0, _graphql.buildASTSchema)((0, _graphql.parse)(source));
   } catch (error) {
     throw new Error(`
-Error loading schema. Expected the schema to be a .graphql file using the
-GraphQL schema definition language. Error detail:
-
+Error loading schema. Expected the schema to be a .graphql or a .json
+file, describing your GraphQL server's API. Error detail:
 ${error.stack}
     `.trim());
   }

src/getSchema.js

@@ -1,25 +1,34 @@
 // @flow
 
-import { buildASTSchema, parse } from 'graphql'
+import {
+  printSchema,
+  buildClientSchema,
+  buildASTSchema,
+  parse
+} from 'graphql'
 import fs from 'fs'
+import path from 'path'
 
 import type { GraphQLSchema } from 'graphql'
 
-export default function getSchema (schemaPath: string): GraphQLSchema {
+export default function getSchema(schemaPath: string): GraphQLSchema {
   try {
     let source = fs.readFileSync(schemaPath, 'utf8')
+    if (path.extname(schemaPath) === '.json') {
+      source = printSchema(buildClientSchema(JSON.parse(source).data))
+    }
     source = `
-      directive @include(if: Boolean) on FRAGMENT | FIELD
-      directive @skip(if: Boolean) on FRAGMENT | FIELD
-      directive @relay(pattern: Boolean, plural: Boolean) on FRAGMENT | FIELD
-      ${source}
-    `
+  directive @include(if: Boolean) on FRAGMENT | FIELD
+  directive @skip(if: Boolean) on FRAGMENT | FIELD
+  directive @relay(pattern: Boolean, plural: Boolean) on FRAGMENT | FIELD
+  ${source}
+  `
+
     return buildASTSchema(parse(source))
   } catch (error) {
     throw new Error(`
-Error loading schema. Expected the schema to be a .graphql file using the
-GraphQL schema definition language. Error detail:
-
+Error loading schema. Expected the schema to be a .graphql or a .json
+file, describing your GraphQL server's API. Error detail:
 ${error.stack}
     `.trim())
   }