feat(core): support tsconfig in subdirectory

Author: tbvjaos510

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)
 })

packages/register/__test__/subdirectory/tsconfig.extend.json

@@ -0,0 +1,7 @@
+{
+  "extends": "../tsconfig.spec.json",
+  "compilerOptions": {
+    "sourceMap": false
+  },
+  "include": ["../*.ts"]
+}

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