☕ Fix type-check command

Author: lambdalisue

Makefile

@@ -21,7 +21,7 @@ lint: FORCE	## Lint code
 	@deno lint
 
 type-check: FORCE	## Type check
-	@deno test --unstable --no-run **/*.ts
+	@deno test --unstable --no-run $$(find . -name '*.ts')
 
 test: FORCE	## Test
 	@deno test --unstable -A