Respect config in .npmrc

Author: thedv91

src/index.ts

@@ -59,10 +59,11 @@ const getOptionalInput = (name: string) => core.getInput(name) || undefined;
       if (fs.existsSync(userNpmrcPath)) {
         console.log("Found existing user .npmrc file");
         const userNpmrcContent = await fs.readFile(userNpmrcPath, "utf8");
-        const authLine = userNpmrcContent.split("\n").find((line) => {
-          // check based on https://github.com/npm/cli/blob/8f8f71e4dd5ee66b3b17888faad5a7bf6c657eed/test/lib/adduser.js#L103-L105
-          return /^\s*\/\/registry\.npmjs\.org\/:[_-]authToken=/i.test(line);
-        });
+        const authLine = userNpmrcContent.includes("_authToken");
+        // const authLine = userNpmrcContent.split("\n").find((line) => {
+        //   // check based on https://github.com/npm/cli/blob/8f8f71e4dd5ee66b3b17888faad5a7bf6c657eed/test/lib/adduser.js#L103-L105
+        //   return /^\s*\/\/registry\.npmjs\.org\/:[_-]authToken=/i.test(line);
+        // });
         if (authLine) {
           console.log(
             "Found existing auth token for the npm registry in the user .npmrc file"