feat: enhanced tsconfig loading behavior (#309)

package.json

@@ -16,6 +16,7 @@
 		"name": "Hiroki Osame",
 		"email": "hiroki.osame@gmail.com"
 	},
+	"type": "module",
 	"files": [
 		"dist"
 	],
@@ -48,8 +49,7 @@
 	},
 	"dependencies": {
 		"esbuild": "^0.16.17",
-		"joycon": "^3.0.1",
-		"json5": "^2.2.0",
+		"get-tsconfig": "^4.3.0",
 		"loader-utils": "^2.0.0",
 		"tapable": "^2.2.0",
 		"webpack-sources": "^1.4.3"
@@ -64,13 +64,16 @@
 		"clean-pkg-json": "^1.2.0",
 		"css-loader": "^5.2.7",
 		"eslint": "^8.31.0",
+		"execa": "^6.1.0",
+		"fs-fixture": "^1.2.0",
 		"manten": "^0.6.0",
 		"memfs": "^3.4.13",
 		"mini-css-extract-plugin": "^1.6.2",
 		"pkgroll": "^1.8.0",
 		"tsx": "^3.12.2",
 		"typescript": "^4.9.4",
 		"webpack": "^4.44.2",
+		"webpack-cli": "^4.10.0",
 		"webpack-test-utils": "^2.1.0",
 		"webpack5": "npm:webpack@^5.0.0"
 	},