Remove the else after the hard exit, make the code after unintended.

Author: Yu Tian

scripts/rollup/packaging.js

@@ -192,50 +192,48 @@ function copyNodePackageTemplate(packageName) {
       `'files' field is missing from package.json in package ${packageName}`
     );
     process.exit(1);
-  } else {
-    // 'files' field exists in package.json,
-    fs.mkdirSync(to);
-    let existingDirCache = {};
-    // looping through entries(single file / directory / pattern) in `files`
-    const whitelistedFiles = whitelist.reduce((list, pattern) => {
-      const matchedFiles = glob.sync(pattern, {
-        cwd: npmFrom,
-      });
-      // copy matching files/directories from './npm' to build package.
-      matchedFiles.forEach(file => {
-        if (fs.lstatSync(`${npmFrom}/${file}`).isFile()) {
-          // copy source is a file, create all nesting directories ahead
-          // to avoid 'No such file or directory' error
-          const fileDirnameSegments = dirname(file).split('/');
-          fileDirnameSegments.reduce((prevPath, currentPath) => {
-            const fullPath = `${prevPath}/${currentPath}`;
-            if (!existingDirCache[fullPath] && !fs.existsSync(fullPath)) {
-              existingDirCache[fullPath] = true;
-              fs.mkdirSync(`${to}/${fullPath}`);
-            }
-            return fullPath;
-          }, '');
-        }
-        promisesForForwardingModules.push(
-          asyncCopyTo(`${npmFrom}/${file}`, `${to}/${file}`)
-        );
-      });
-      // return an array of whitelisted files
-      // for entry point check next.
-      // All patterns have been parsed to file/directory
-      return list.concat(matchedFiles);
-    }, []);
-    // terminate the build if any entry point(Exception: *.fb.js)
-    // is not whitelisted in the 'files' field in package.json.
-    packageEntries.forEach(entry => {
-      if (!whitelistedFiles.includes(entry)) {
-        console.error(
-          `Entry point ${entry} in package ${packageName} is not listed in the 'files' field in package.json`
-        );
-        process.exit(1);
+  }
+  fs.mkdirSync(to);
+  let existingDirCache = {};
+  // looping through entries(single file / directory / pattern) in `files`
+  const whitelistedFiles = whitelist.reduce((list, pattern) => {
+    const matchedFiles = glob.sync(pattern, {
+      cwd: npmFrom,
+    });
+    // copy matching files/directories from './npm' to build package.
+    matchedFiles.forEach(file => {
+      if (fs.lstatSync(`${npmFrom}/${file}`).isFile()) {
+        // copy source is a file, create all nesting directories ahead
+        // to avoid 'No such file or directory' error
+        const fileDirnameSegments = dirname(file).split('/');
+        fileDirnameSegments.reduce((prevPath, currentPath) => {
+          const fullPath = `${prevPath}/${currentPath}`;
+          if (!existingDirCache[fullPath] && !fs.existsSync(fullPath)) {
+            existingDirCache[fullPath] = true;
+            fs.mkdirSync(`${to}/${fullPath}`);
+          }
+          return fullPath;
+        }, '');
       }
+      promisesForForwardingModules.push(
+        asyncCopyTo(`${npmFrom}/${file}`, `${to}/${file}`)
+      );
     });
-  }
+    // return an array of whitelisted files
+    // for entry point check next.
+    // All patterns have been parsed to file/directory
+    return list.concat(matchedFiles);
+  }, []);
+  // terminate the build if any entry point(Exception: *.fb.js)
+  // is not whitelisted in the 'files' field in package.json.
+  packageEntries.forEach(entry => {
+    if (!whitelistedFiles.includes(entry)) {
+      console.error(
+        `Entry point ${entry} in package ${packageName} is not listed in the 'files' field in package.json`
+      );
+      process.exit(1);
+    }
+  });
   return Promise.all([
     ...promisesForForwardingModules,
     asyncCopyTo(resolve(`${from}/package.json`), `${to}/package.json`),