From 062c97d0c126b50d2a4d38d78b67e9fd13519d28 Mon Sep 17 00:00:00 2001
From: Rob Hogan <robhogan@meta.com>
Date: Thu, 9 Jul 2026 04:47:27 -0700
Subject: [PATCH] Stop publishing integration_tests, __fixtures__, etc to npm

Summary:
The build script previously only excluded `__tests__`, and had an incorrect comment that `IGNORE_PATTERNS` was for passthrough.

Changelog: Internal

Differential Revision: D111232823
---
 scripts/build.js | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/scripts/build.js b/scripts/build.js
index d351ccf07e..230dda64ff 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -13,7 +13,10 @@
  * script to build (transpile) files.
  * By default it transpiles all files for all packages and writes them
  * into `build/` directory.
- * Non-js or files matching IGNORE_PATTERN will be copied without transpiling.
+ *
+ * Files matching IGNORE_PATTERNS will not be copied to the build directory.
+ *
+ * Non-js will be copied without transpiling.
  *
  * Example:
  *  node ./scripts/build.js
@@ -33,7 +36,13 @@ const SRC_DIR = 'src';
 const TYPES_DIR = 'types';
 const BUILD_DIR = 'build';
 const JS_FILES_PATTERN = '**/*.js';
-const IGNORE_PATTERN = '**/__tests__/**';
+const IGNORE_PATTERNS = [
+  '**/__tests__/**',
+  '**/__fixtures__/**',
+  '**/__flowtests__/**',
+  '**/__mocks__/**',
+  '**/integration_tests/basic_bundle/**',
+];
 const PACKAGES_DIR = path.resolve(__dirname, '../packages');
 
 const fixedWidth = function (str /*: string*/) {
@@ -90,7 +99,7 @@ async function buildFile(file /*: string */, silent /*: number | boolean */) {
   const destPath = getBuildPath(file, BUILD_DIR);
 
   fs.mkdirSync(path.dirname(destPath), {recursive: true});
-  if (path.matchesGlob(file, IGNORE_PATTERN)) {
+  if (IGNORE_PATTERNS.some(pattern => path.matchesGlob(file, pattern))) {
     silent ||
       process.stdout.write(
         styleText('dim', '  \u2022 ') +