fix: allow auth:sfdxurl:store to use a json file

Author: RodEsp

src/commands/auth/sfdxurl/store.ts

@@ -52,7 +52,16 @@ export default class Store extends SfdxCommand {
   public async run(): Promise<AuthFields> {
     if (await Prompts.shouldExitCommand(this.ux, this.flags.noprompt)) return {};
 
-    const sfdxAuthUrl = await fs.readFile(this.flags.sfdxurlfile, 'utf8');
+    let sfdxAuthUrl;
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-member-access
+    if (this.flags.sfdxurlfile.endsWith('json')) {
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
+      sfdxAuthUrl = await fs.readJson(this.flags.sfdxurlfile);
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access
+      sfdxAuthUrl = sfdxAuthUrl.sfdxAuthUrl;
+    } else {
+      sfdxAuthUrl = await fs.readFile(this.flags.sfdxurlfile, 'utf8');
+    }
     const oauth2Options = AuthInfo.parseSfdxAuthUrl(sfdxAuthUrl);
     const authInfo = await AuthInfo.create({ oauth2Options });
     await authInfo.save();