packages/knip/fixtures/workspaces-plugin-config/packages/backend/jest.config.js

@@ -1,3 +1,4 @@
 module.exports = {
   testResultsProcessor: 'jest-phabricator',
+  setupFiles: ['@workspaces-plugin-config/shared/jest-setup.ts'],
 };

packages/knip/fixtures/workspaces-plugin-config/packages/backend/package.json

@@ -4,6 +4,7 @@
     "test": "vitest"
   },
   "devDependencies": {
+    "@workspaces-plugin-config/shared": "*",
     "eslint-plugin-no-secrets": "*",
     "eslint-plugin-prettier": "*",
     "vitest": "^0.34.6"

packages/knip/fixtures/workspaces-plugin-config/packages/package1/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@workspaces-plugin-config/package-using-ava",
+  "name": "@workspaces-plugin-config/shared",
   "scripts": {
     "test": "ava"
   },

packages/knip/package.json

@@ -1,6 +1,6 @@
 {
   "name": "knip",
-  "version": "5.24.3",
+  "version": "5.24.4",
   "description": "Find unused files, dependencies and exports in your TypeScript and JavaScript projects",
   "homepage": "https://knip.dev",
   "repository": {

packages/knip/src/plugins/jest/index.ts

@@ -1,6 +1,6 @@
 import type { IsPluginEnabled, Plugin, PluginOptions, ResolveConfig, ResolveEntryPaths } from '#p/types/plugins.js';
 import { dirname, isInternal, join, toAbsolute } from '#p/util/path.js';
-import { hasDependency, load } from '#p/util/plugin.js';
+import { hasDependency, load, resolveEntry } from '#p/util/plugin.js';
 import { toEntryPattern } from '#p/util/protocols.js';
 import type { JestConfig, JestInitialOptions } from './types.js';
 
@@ -32,6 +32,7 @@ const resolveExtensibleConfig = async (configFilePath: string) => {
 
 const resolveDependencies = async (config: JestInitialOptions, options: PluginOptions): Promise<string[]> => {
   const { configFileDir } = options;
+
   if (config?.preset) {
     const { preset } = config;
     if (isInternal(preset)) {
@@ -40,9 +41,11 @@ const resolveDependencies = async (config: JestInitialOptions, options: PluginOp
       Object.assign(config, presetConfig);
     }
   }
+
   const presets = (config.preset ? [config.preset] : []).map(preset =>
     isInternal(preset) ? preset : join(preset, 'jest-preset')
   );
+
   const projects = [];
   for (const project of config.projects ?? []) {
     if (typeof project === 'string') {
@@ -52,6 +55,7 @@ const resolveDependencies = async (config: JestInitialOptions, options: PluginOp
       for (const dependency of dependencies) projects.push(dependency);
     }
   }
+
   const runner = config.runner ? [config.runner] : [];
   const environments = config.testEnvironment === 'jsdom' ? ['jest-environment-jsdom'] : [];
   const resolvers = config.resolver ? [config.resolver] : [];
@@ -62,8 +66,6 @@ const resolveDependencies = async (config: JestInitialOptions, options: PluginOp
     : [];
   const watchPlugins =
     config.watchPlugins?.map(watchPlugin => (typeof watchPlugin === 'string' ? watchPlugin : watchPlugin[0])) ?? [];
-  const setupFiles = (config.setupFiles ?? []).map(toEntryPattern);
-  const setupFilesAfterEnv = (config.setupFilesAfterEnv ?? []).map(toEntryPattern);
   const transform = config.transform
     ? Object.values(config.transform).map(transform => (typeof transform === 'string' ? transform : transform[0]))
     : [];
@@ -72,11 +74,16 @@ const resolveDependencies = async (config: JestInitialOptions, options: PluginOp
       ? Object.values(config.moduleNameMapper).map(mapper => (typeof mapper === 'string' ? mapper : mapper[0]))
       : []
   ).filter(value => !/\$[0-9]/.test(value));
+
   const testResultsProcessor = config.testResultsProcessor ? [config.testResultsProcessor] : [];
   const snapshotResolver = config.snapshotResolver ? [config.snapshotResolver] : [];
   const testSequencer = config.testSequencer ? [config.testSequencer] : [];
-  const globalSetup = (config.globalSetup ? [config.globalSetup] : []).map(toEntryPattern);
-  const globalTeardown = (config.globalTeardown ? [config.globalTeardown] : []).map(toEntryPattern);
+
+  const resolve = (specifier: string) => resolveEntry(options, specifier);
+  const setupFiles = (config.setupFiles ?? []).map(resolve);
+  const setupFilesAfterEnv = (config.setupFilesAfterEnv ?? []).map(resolve);
+  const globalSetup = (config.globalSetup ? [config.globalSetup] : []).map(resolve);
+  const globalTeardown = (config.globalTeardown ? [config.globalTeardown] : []).map(resolve);
 
   return [
     ...presets,

packages/knip/src/plugins/vitest/index.ts

@@ -1,7 +1,7 @@
 import type { PackageJson } from '#p/types/package-json.js';
 import type { IsPluginEnabled, Plugin, PluginOptions, ResolveConfig, ResolveEntryPaths } from '#p/types/plugins.js';
-import { isAbsolute, join, relative } from '#p/util/path.js';
-import { hasDependency, tryResolve } from '#p/util/plugin.js';
+import { join } from '#p/util/path.js';
+import { hasDependency, resolveEntry } from '#p/util/plugin.js';
 import { toEntryPattern } from '#p/util/protocols.js';
 import { getEnvPackageName, getExternalReporters } from './helpers.js';
 import type { COMMAND, MODE, ViteConfig, ViteConfigOrFn, VitestWorkspaceConfig } from './types.js';
@@ -18,15 +18,6 @@ const config = ['vitest*.config.{js,mjs,ts,cjs,mts,cts}', 'vitest.{workspace,pro
 
 const entry = ['**/*.{bench,test,test-d,spec}.?(c|m)[jt]s?(x)'];
 
-const resolveEntry = (options: PluginOptions, rootDir: string, specifier: string) => {
-  const { configFileDir, configFileName } = options;
-  const resolvedPath = isAbsolute(specifier)
-    ? specifier
-    : tryResolve(join(configFileDir, rootDir, specifier), join(configFileDir, rootDir, configFileName));
-  if (resolvedPath) return toEntryPattern(relative(configFileDir, resolvedPath));
-  return specifier;
-};
-
 const isVitestCoverageCommand = /vitest(.+)--coverage(?:\.enabled(?:=true)?)?/;
 
 const hasScriptWithCoverage = (scripts: PackageJson['scripts']) =>
@@ -51,8 +42,9 @@ const findConfigDependencies = (localConfig: ViteConfig, options: PluginOptions)
   const coverage = hasCoverageEnabled ? [`@vitest/coverage-${testConfig.coverage?.provider ?? 'v8'}`] : [];
 
   const rootDir = testConfig.root ?? '.';
-  const setupFiles = [testConfig.setupFiles ?? []].flat().map(v => resolveEntry(options, rootDir, v));
-  const globalSetup = [testConfig.globalSetup ?? []].flat().map(v => resolveEntry(options, rootDir, v));
+  const setupFiles = [testConfig.setupFiles ?? []].flat().map(specifier => resolveEntry(options, specifier, rootDir));
+  const globalSetup = [testConfig.globalSetup ?? []].flat().map(specifier => resolveEntry(options, specifier, rootDir));
+
   return [...environments, ...reporters, ...coverage, ...setupFiles, ...globalSetup];
 };
 
@@ -101,7 +93,7 @@ export const resolveConfig: ResolveConfig<ViteConfigOrFn | VitestWorkspaceConfig
     const entry = cfg.build?.lib?.entry ?? [];
     const rootDir = cfg.test?.root ?? '.';
     const deps = (typeof entry === 'string' ? [entry] : Object.values(entry)).map(specifier =>
-      resolveEntry(options, rootDir, specifier)
+      resolveEntry(options, specifier, rootDir)
     );
     for (const dependency of deps) dependencies.add(dependency);
   }

packages/knip/src/util/plugin.ts

@@ -1,14 +1,14 @@
 export { _getDependenciesFromScripts as getDependenciesFromScripts } from '../binaries/index.js';
 export { _loadJSON as loadJSON } from './fs.js';
 export { _load as load } from './loader.js';
-export { _tryResolve as tryResolve } from './require.js';
 import type { RawPluginConfiguration } from '../types/config.js';
 import type { Plugin, PluginOptions } from '../types/plugins.js';
 import { arrayify } from './array.js';
 import { _load as load } from './loader.js';
 import { get } from './object.js';
-import { basename } from './path.js';
+import { basename, isAbsolute, join, relative } from './path.js';
 import { toEntryPattern, toProductionEntryPattern } from './protocols.js';
+import { _tryResolve as tryResolve } from './require.js';
 
 export const toCamelCase = (name: string) =>
   name.toLowerCase().replace(/(-[a-z])/g, group => group.toUpperCase().replace('-', ''));
@@ -131,3 +131,12 @@ export const toUnconfig = toConfigMap(['json', 'ts', 'mts', 'cts', 'js', 'mjs',
   rcSuffix: '',
   configFiles: false,
 });
+
+export const resolveEntry = (options: PluginOptions, specifier: string, rootDir = '.') => {
+  const { configFileDir, configFileName } = options;
+  const resolvedPath = isAbsolute(specifier)
+    ? specifier
+    : tryResolve(join(configFileDir, rootDir, specifier), join(configFileDir, rootDir, configFileName));
+  if (resolvedPath) return toEntryPattern(relative(configFileDir, resolvedPath));
+  return specifier;
+};

packages/knip/src/version.ts

@@ -1 +1 @@
-export const version = '5.24.3';
+export const version = '5.24.4';

packages/knip/test/workspaces-plugin-config.test.ts

@@ -15,8 +15,8 @@ test('Use root plugin config in workspaces', async () => {
 
   assert.deepEqual(counters, {
     ...baseCounters,
-    total: 25,
-    processed: 25,
+    total: 26,
+    processed: 26,
   });
 });
 
@@ -33,13 +33,14 @@ test('Use root plugin config in workspaces (strict production)', async () => {
     new Set([
       join(cwd, 'packages/frontend/components/component.js'),
       join(cwd, 'packages/package1/components/component.js'),
+      join(cwd, 'packages/package1/jest-setup.ts'),
     ])
   );
 
   assert.deepEqual(counters, {
     ...baseCounters,
-    files: 2,
-    total: 6,
-    processed: 6,
+    files: 3,
+    total: 7,
+    processed: 7,
   });
 });