feat: migrate to cosmiconfig

package.json

@@ -35,10 +35,10 @@
     "chalk": "^4.1.2",
     "cli-progress": "^3.11.1",
     "commander": "^9.3.0",
+    "cosmiconfig": "^7.0.1",
     "deep-object-diff": "^1.1.7",
     "inquirer": "^8.2.4",
-    "isomorphic-unfetch": "^3.1.0",
-    "rcfile": "^1.0.3"
+    "isomorphic-unfetch": "^3.1.0"
   },
   "devDependencies": {
     "@types/cli-progress": "3.11.0",

src/util/config.ts

@@ -1,15 +1,9 @@
-import { statSync } from "fs";
-import rcfile from "rcfile";
 import { Config } from "../../types";
-import path from "path";
+import { cosmiconfig } from "cosmiconfig";
 
-const getConfigPath = () => path.resolve(process.cwd(), "loco.config.js");
+const explorer = cosmiconfig("loco");
 
 export const readConfig = async (): Promise<Config> => {
-  try {
-    statSync(getConfigPath());
-    return await import(getConfigPath());
-  } catch {
-    return rcfile("loco", { defaultExtension: ".json" });
-  }
+  const result = await explorer.search();
+  return result?.config ?? {};
 };