From 4497c98f02380c6ee2438c7df2ce7141a3994176 Mon Sep 17 00:00:00 2001
From: mrmeku <mrmeku@gmail.com>
Date: Thu, 26 Dec 2019 10:39:36 -0700
Subject: [PATCH] feat(jest-haste-map): Enable crawling for symlink test files

---
 CHANGELOG.md                                 | 1 +
 packages/jest-haste-map/src/crawlers/node.ts | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a386a795440..ff4680598d15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ### Features
 
+- `[jest-haste-map]` Enable crawling for symlink test files ([#9350](https://github.com/facebook/jest/issues/9350))
 - `[babel-plugin-jest-hoist]` Show codeframe on static hoisting issues ([#8865](https://github.com/facebook/jest/pull/8865))
 - `[babel-plugin-jest-hoist]` Add `BigInt` to `WHITELISTED_IDENTIFIERS` ([#8382](https://github.com/facebook/jest/pull/8382))
 - `[babel-preset-jest]` Add `@babel/plugin-syntax-bigint` ([#8382](https://github.com/facebook/jest/pull/8382))
diff --git a/packages/jest-haste-map/src/crawlers/node.ts b/packages/jest-haste-map/src/crawlers/node.ts
index 6e6b6b5d4c9d..ed5e6d5c7134 100644
--- a/packages/jest-haste-map/src/crawlers/node.ts
+++ b/packages/jest-haste-map/src/crawlers/node.ts
@@ -84,7 +84,8 @@ function findNative(
   callback: Callback,
 ): void {
   const args = Array.from(roots);
-  args.push('-type', 'f');
+  args.push('(', '-type', 'f', '-o', '-type', 'l', ')');
+
   if (extensions.length) {
     args.push('(');
   }
@@ -121,7 +122,8 @@ function findNative(
     } else {
       lines.forEach(path => {
         fs.stat(path, (err, stat) => {
-          if (!err && stat) {
+          // Filter out symlinks that describe directories
+          if (!err && stat && stat.isFile && stat.isFile()) {
             result.push([path, stat.mtime.getTime(), stat.size]);
           }
           if (--count === 0) {