From ffae91159392d4c57a2112e5d76282a552f9c9af Mon Sep 17 00:00:00 2001
From: James Garbutt <43081j@users.noreply.github.com>
Date: Tue, 6 May 2025 13:21:56 +0100
Subject: [PATCH] perf(addons): switch to empathic for upwards FS traversal

Switches to `empathic` for finding parent files, a much faster library.

Part of consolidating every `find-*` dependency into just one.
---
 code/addons/vitest/package.json               | 2 +-
 code/addons/vitest/src/node/vitest-manager.ts | 4 ++--
 code/addons/vitest/src/postinstall.ts         | 2 +-
 code/yarn.lock                                | 9 ++++++++-
 4 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/code/addons/vitest/package.json b/code/addons/vitest/package.json
index eecd932415da..ff341ec35c2c 100644
--- a/code/addons/vitest/package.json
+++ b/code/addons/vitest/package.json
@@ -102,9 +102,9 @@
     "@vitest/browser": "^3.1.1",
     "@vitest/runner": "^3.1.1",
     "boxen": "^8.0.1",
+    "empathic": "^1.1.0",
     "es-toolkit": "^1.36.0",
     "execa": "^8.0.1",
-    "find-up": "^7.0.0",
     "istanbul-lib-report": "^3.0.1",
     "pathe": "^1.1.2",
     "picocolors": "^1.1.0",
diff --git a/code/addons/vitest/src/node/vitest-manager.ts b/code/addons/vitest/src/node/vitest-manager.ts
index b24eea05f99d..4c36ec7a4831 100644
--- a/code/addons/vitest/src/node/vitest-manager.ts
+++ b/code/addons/vitest/src/node/vitest-manager.ts
@@ -17,7 +17,7 @@ import type {
   StoryIndexEntry,
 } from 'storybook/internal/types';
 
-import { findUp } from 'find-up';
+import { any as findUp } from 'empathic/find';
 import path, { dirname, join, normalize } from 'pathe';
 import slash from 'slash';
 
@@ -76,7 +76,7 @@ export class VitestManager {
         : { enabled: false }
     ) as CoverageOptions;
 
-    const vitestWorkspaceConfig = await findUp([
+    const vitestWorkspaceConfig = findUp([
       ...VITEST_WORKSPACE_FILE_EXTENSION.map((ext) => `vitest.workspace.${ext}`),
       ...VITEST_CONFIG_FILE_EXTENSIONS.map((ext) => `vitest.config.${ext}`),
     ]);
diff --git a/code/addons/vitest/src/postinstall.ts b/code/addons/vitest/src/postinstall.ts
index 979fac62a47d..bcafc30a74e2 100644
--- a/code/addons/vitest/src/postinstall.ts
+++ b/code/addons/vitest/src/postinstall.ts
@@ -18,9 +18,9 @@ import {
 import { readConfig, writeConfig } from 'storybook/internal/csf-tools';
 import { colors, logger } from 'storybook/internal/node-logger';
 
+import { any as findUp } from 'empathic/find';
 // eslint-disable-next-line depend/ban-dependencies
 import { $ } from 'execa';
-import { findUp } from 'find-up';
 import { dirname, extname, join, relative, resolve } from 'pathe';
 import picocolors from 'picocolors';
 import prompts from 'prompts';
diff --git a/code/yarn.lock b/code/yarn.lock
index bcf38043f23d..2a970be97f1b 100644
--- a/code/yarn.lock
+++ b/code/yarn.lock
@@ -6023,9 +6023,9 @@ __metadata:
     "@vitest/browser": "npm:^3.1.1"
     "@vitest/runner": "npm:^3.1.1"
     boxen: "npm:^8.0.1"
+    empathic: "npm:^1.1.0"
     es-toolkit: "npm:^1.36.0"
     execa: "npm:^8.0.1"
-    find-up: "npm:^7.0.0"
     istanbul-lib-report: "npm:^3.0.1"
     pathe: "npm:^1.1.2"
     picocolors: "npm:^1.1.0"
@@ -12966,6 +12966,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"empathic@npm:^1.1.0":
+  version: 1.1.0
+  resolution: "empathic@npm:1.1.0"
+  checksum: 10c0/ed906c4ad6dabe1477ed00d6420f79eff8ac72e2eb580aab42406f50160fd34d66e8381e92b405e96d75a826a840706af261fd397c3e7db4d1a293d23e2e72f7
+  languageName: node
+  linkType: hard
+
 "encodeurl@npm:~1.0.2":
   version: 1.0.2
   resolution: "encodeurl@npm:1.0.2"