Added SWCRC env variable

README.md

@@ -19,6 +19,11 @@ npm i -D @swc-node/register
 node -r @swc-node/register script.ts
 ```
 
+Set environment variable SWCRC=true when you would like to load .swcrc file
+```bash
+SWCRC=true node -r @swc-node/register script.ts
+```
+
 ## Support matrix
 
 |                     | node10 | node12 | node14 | node16 |

packages/register/register.ts

@@ -41,7 +41,14 @@ export function compile(
     }
     return outputText
   } else {
-    const { code, map } = transformSync(sourcecode, filename, tsCompilerOptionsToSwcConfig(options, filename))
+    const swcRegisterConfig = tsCompilerOptionsToSwcConfig(options, filename)
+    if (process.env.SWCRC === 'true') {
+      // when SWCRC environment variable is set to true it will use swcrc file
+      swcRegisterConfig.swc = {
+        swcrc: true,
+      }
+    }
+    const { code, map } = transformSync(sourcecode, filename, swcRegisterConfig)
     // in case of map is undefined
     if (map) {
       SourcemapMap.set(filename, map)