fix: add batching/*.js to parent eslintignore

This also adds a prefix / to the babel ignore flag, because the build
was still transforming and outputting files from __tests__ directories.

.eslintignore

@@ -23,3 +23,4 @@ packages/*/*.js
 packages/gatsby-plugin-preload-fonts/prepare/*.js
 packages/gatsby-image/withIEPolyfill/index.js
 packages/gatsby/cache-dir/commonjs/**/*
+packages/gatsby-source-graphql/batching/*.js

packages/gatsby-source-graphql/package.json

@@ -39,9 +39,9 @@
     "directory": "packages/gatsby-source-graphql"
   },
   "scripts": {
-    "build": "babel src --out-dir . --ignore **/__tests__ --extensions \".ts,.js\"",
+    "build": "babel src --out-dir . --ignore /**/__tests__ --extensions \".ts,.js\"",
     "prepare": "cross-env NODE_ENV=production npm run build",
-    "watch": "babel -w src --out-dir . --ignore **/__tests__ --extensions \".ts,.js\""
+    "watch": "babel -w src --out-dir . --ignore /**/__tests__ --extensions \".ts,.js\""
   },
   "engines": {
     "node": ">=10.13.0"

yarn.lock

@@ -1580,6 +1580,15 @@
     "@babel/helper-plugin-utils" "^7.8.3"
     "@babel/plugin-syntax-typescript" "^7.8.3"
 
+"@babel/plugin-transform-typescript@^7.9.4":
+  version "7.9.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typescript/-/plugin-transform-typescript-7.9.4.tgz#4bb4dde4f10bbf2d787fce9707fb09b483e33359"
+  integrity sha512-yeWeUkKx2auDbSxRe8MusAG+n4m9BFY/v+lPjmQDgOFX5qnySkUY5oXzkp6FwPdsYqnKay6lorXYdC0n3bZO7w==
+  dependencies:
+    "@babel/helper-create-class-features-plugin" "^7.8.3"
+    "@babel/helper-plugin-utils" "^7.8.3"
+    "@babel/plugin-syntax-typescript" "^7.8.3"
+
 "@babel/plugin-transform-unicode-regex@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-unicode-regex/-/plugin-transform-unicode-regex-7.4.4.tgz#ab4634bb4f14d36728bf5978322b35587787970f"