KERNEL-5364 chore: 给fineui.js加上sourceMap

lib/postbuild/postbuild.js

@@ -34,9 +34,12 @@ deleteList.forEach(filename => {
     });
 });
 
-const demoJs = resolve(dest, './demo.js');
-
-const content = `${readFileSync(demoJs, { encoding: 'utf8' })}
-//# sourceMappingURL=./demo.js.map`;
+const fileList = ['demo.js', 'fineui.js', '2.0/fineui.js'];
+fileList.forEach(filename => {
+    const sourcefile = resolve(dest, `./${filename}`);
+    
+    const content = `${readFileSync(sourcefile, { encoding: 'utf8' })}
+//# sourceMappingURL=./${filename}.map`;
 
-writeFileSync(demoJs, content);
+    writeFileSync(sourcefile, content);
+})