fix

Author: cspotcode

src/configuration.ts

@@ -173,7 +173,7 @@ export function readConfig(
     if (options.require) {
       // Modules are found relative to the tsconfig file, not the `dir` option
       const tsconfigRelativeResolver =
-        createProjectLocalResolveHelper(configPath);
+        createProjectLocalResolveHelper(dirname(configPath));
       options.require = options.require.map((path: string) =>
         tsconfigRelativeResolver(path, false)
       );

src/util.ts

@@ -4,6 +4,7 @@ import {
 } from 'module';
 import type _createRequire from 'create-require';
 import * as ynModule from 'yn';
+import { dirname } from 'path';
 
 /** @internal */
 export const createRequire =
@@ -149,5 +150,9 @@ export function getBasePathForProjectLocalDependencyResolution(
   projectOption: string | undefined,
   cwdOption: string
 ) {
-  return configFilePath ?? projectSearchDirOption ?? projectOption ?? cwdOption;
+  if(configFilePath != null) return dirname(configFilePath);
+  return projectSearchDirOption ?? projectOption ?? cwdOption;
+  // TODO technically breaks if projectOption is path to a file, not a directory,
+  // and we attempt to resolve relative specifiers.  By the time we resolve relative specifiers,
+  // should have configFilePath, so not reach this codepath.
 }