fix: find graphqlrc files relative to linted file (#900)

.changeset/relative-graphqlrc.md

@@ -0,0 +1,5 @@
+---
+'@graphql-eslint/eslint-plugin': minor
+---
+
+fix: find graphqlrc files relative to linted file

packages/plugin/src/graphql-config.ts

@@ -1,6 +1,7 @@
 import { GraphQLConfig, GraphQLExtensionDeclaration, loadConfigSync, SchemaPointer } from 'graphql-config';
 import { CodeFileLoader } from '@graphql-tools/code-file-loader';
 import { ParserOptions } from './types';
+import { dirname } from 'path';
 
 let graphQLConfig: GraphQLConfig;
 
@@ -14,6 +15,8 @@ export function loadGraphQLConfig(options: ParserOptions): GraphQLConfig {
   const onDiskConfig = options.skipGraphQLConfig
     ? null
     : loadConfigSync({
+        // load config relative to the file being linted
+        rootDir: options.filePath ? dirname(options.filePath) : undefined,
         throwOnEmpty: false,
         throwOnMissing: false,
         extensions: [addCodeFileLoaderExtension],

packages/plugin/tests/mocks/using-config/.graphqlrc

@@ -0,0 +1 @@
+schema: ./schema-in-config.graphql

packages/plugin/tests/mocks/using-config/schema-in-config.graphql

@@ -0,0 +1,3 @@
+type Query {
+  hello: String
+}

packages/plugin/tests/mocks/using-config/test.graphql

@@ -0,0 +1,3 @@
+query {
+  hello
+}

packages/plugin/tests/schema.spec.ts

@@ -146,11 +146,28 @@ describe('schema', () => {
       expect(consoleError.mock.calls[0][2]).toMatch(
         'Unable to find any GraphQL type definitions for the following pointers'
       );
-    })
+    });
 
     it('should not log second time error from same schema', () => {
       expect(getSchema(undefined, gqlConfig)).toBe(null);
       expect(consoleError).toHaveBeenCalledTimes(1);
-    })
+    });
+  });
+
+  it('should load the graphql-config rc file relative to the linted file', () => {
+    const schema = resolve(__dirname, 'mocks/using-config/schema.graphql');
+    const gqlConfig = loadGraphQLConfig({
+      schema,
+      filePath: resolve(__dirname, 'mocks/using-config/test.graphql'),
+    });
+
+    const graphQLSchema = getSchema({ schema }, gqlConfig);
+    expect(graphQLSchema).toBeInstanceOf(GraphQLSchema);
+    const sdlString = printSchema(graphQLSchema);
+    expect(sdlString.trim()).toMatchInlineSnapshot(`
+      type Query {
+        hello: String
+      }
+    `);
   });
 });