From fc7cd600f3be3635b92ad8d510fbf31faa78fcad Mon Sep 17 00:00:00 2001
From: Alec Larson <1925840+aleclarson@users.noreply.github.com>
Date: Thu, 21 Apr 2022 01:57:38 -0400
Subject: [PATCH] feat(register): add `cwd` param (#205)

* feat(register): add `cwd` param

* chore: update changelog and readme
---
 CHANGELOG.md    |  4 ++++
 README.md       |  1 +
 src/register.ts | 14 +++++++++++---
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 49613b9..a480126 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Add support for `jsconfig.json`. See PR [#199](https://github.com/dividab/tsconfig-paths/pull/199). Thanks to [@F3n67u](https://github.com/F3n67u) for this PR!
 
+### Added
+
+- Add `cwd` option to `register` function that overrides where the `tsconfig.json` search begins. See PR [#205](https://github.com/dividab/tsconfig-paths/pull/205).
+
 ## [3.14.1] - 2022-03-22
 
 ### Fixed
diff --git a/README.md b/README.md
index 4a749af..dd2c214 100644
--- a/README.md
+++ b/README.md
@@ -148,6 +148,7 @@ export interface ExplicitParams {
   paths: { [key: string]: Array<string> };
   mainFields?: Array<string>;
   addMatchAll?: boolean;
+  cwd?: string;
 }
 
 /**
diff --git a/src/register.ts b/src/register.ts
index 929b7a0..8812b51 100644
--- a/src/register.ts
+++ b/src/register.ts
@@ -45,14 +45,22 @@ function getCoreModules(
   return coreModules;
 }
 
+export interface RegisterParams extends ExplicitParams {
+  /**
+   * Defaults to `--project` CLI flag or `process.cwd()`
+   */
+  cwd?: string;
+}
+
 /**
  * Installs a custom module load function that can adhere to paths in tsconfig.
  * Returns a function to undo paths registration.
  */
-export function register(explicitParams: ExplicitParams): () => void {
+export function register(params?: RegisterParams): () => void {
   const configLoaderResult = configLoader({
-    cwd: options.cwd,
-    explicitParams,
+    cwd: params?.cwd ?? options.cwd,
+    explicitParams:
+      params && (params.baseUrl || params.paths) ? params : undefined,
   });
 
   if (configLoaderResult.resultType === "failed") {