From 634d766aa22013ec725c0d30317eb38963410db3 Mon Sep 17 00:00:00 2001
From: peter <tbvjaos510@naver.com>
Date: Tue, 2 Nov 2021 11:00:48 +0900
Subject: [PATCH] feat(register): support tsconfig in subdirectory

---
 .../__test__/read-default-config.spec.ts        | 17 ++++++++++++++---
 .../__test__/subdirectory/tsconfig.extend.json  |  7 +++++++
 packages/register/read-default-tsconfig.ts      |  4 ++--
 3 files changed, 23 insertions(+), 5 deletions(-)
 create mode 100644 packages/register/__test__/subdirectory/tsconfig.extend.json

diff --git a/packages/register/__test__/read-default-config.spec.ts b/packages/register/__test__/read-default-config.spec.ts
index fa289e045..a74a69531 100644
--- a/packages/register/__test__/read-default-config.spec.ts
+++ b/packages/register/__test__/read-default-config.spec.ts
@@ -1,4 +1,4 @@
-import { join } from 'path'
+import { join, dirname } from 'path'
 
 import test from 'ava'
 import { omit } from 'lodash'
@@ -21,7 +21,7 @@ test('should RESPECT SWC_NODE_PROJECT env', (t) => {
   process.env.SWC_NODE_PROJECT = configPath
   const defaultOptions = readDefaultTsConfig()
   const { config } = ts.readConfigFile(configPath, ts.sys.readFile)
-  const { options } = ts.parseJsonConfigFileContent(config, ts.sys, process.cwd())
+  const { options } = ts.parseJsonConfigFileContent(config, ts.sys, dirname(configPath))
   t.deepEqual(omit(defaultOptions, 'files'), options)
 })
 
@@ -32,6 +32,17 @@ test('should RESPECT TS_NODE_PROJECT env', (t) => {
   process.env.TS_NODE_PROJECT = configPath
   const defaultOptions = readDefaultTsConfig()
   const { config } = ts.readConfigFile(configPath, ts.sys.readFile)
-  const { options } = ts.parseJsonConfigFileContent(config, ts.sys, process.cwd())
+  const { options } = ts.parseJsonConfigFileContent(config, ts.sys, dirname(configPath))
+  t.deepEqual(omit(defaultOptions, 'files'), options)
+})
+
+test('should RESPECT tsconfig path in subdirectory', (t) => {
+  const configPath = join(__dirname, 'subdirectory/tsconfig.extend.json')
+  delete process.env.SWC_NODE_PROJECT
+  delete process.env.TS_NODE_PROJECT
+  process.env.TS_NODE_PROJECT = configPath
+  const defaultOptions = readDefaultTsConfig()
+  const { config } = ts.readConfigFile(configPath, ts.sys.readFile)
+  const { options } = ts.parseJsonConfigFileContent(config, ts.sys, dirname(configPath))
   t.deepEqual(omit(defaultOptions, 'files'), options)
 })
diff --git a/packages/register/__test__/subdirectory/tsconfig.extend.json b/packages/register/__test__/subdirectory/tsconfig.extend.json
new file mode 100644
index 000000000..5f021f1a9
--- /dev/null
+++ b/packages/register/__test__/subdirectory/tsconfig.extend.json
@@ -0,0 +1,7 @@
+{
+  "extends": "../tsconfig.spec.json",
+  "compilerOptions": {
+    "sourceMap": false
+  },
+  "include": ["../*.ts"]
+}
diff --git a/packages/register/read-default-tsconfig.ts b/packages/register/read-default-tsconfig.ts
index b613c03f2..385ed0d29 100644
--- a/packages/register/read-default-tsconfig.ts
+++ b/packages/register/read-default-tsconfig.ts
@@ -1,5 +1,5 @@
 import { existsSync } from 'fs'
-import { join } from 'path'
+import { join, dirname } from 'path'
 
 import type { Options } from '@swc-node/core'
 import chalk from 'chalk'
@@ -24,7 +24,7 @@ export function readDefaultTsConfig(
       debug(`Read config file from ${tsConfigPath}`)
       const { config } = ts.readConfigFile(tsConfigPath, ts.sys.readFile)
 
-      const { options, errors, fileNames } = ts.parseJsonConfigFileContent(config, ts.sys, process.cwd())
+      const { options, errors, fileNames } = ts.parseJsonConfigFileContent(config, ts.sys, dirname(tsConfigPath))
       if (!errors.length) {
         compilerOptions = options
         compilerOptions.files = fileNames