generateContent method
Generate extension file content as String (shared by CLI and builder).
Implementation
String generateContent(String className) {
final buffer = StringBuffer();
buffer.writeln('// GENERATED CODE - DO NOT MODIFY BY HAND');
buffer.writeln('// Generated by Excel Translator');
buffer.writeln();
buffer.writeln('// Uncomment the lines below to enable BuildContext extension');
buffer.writeln('// This provides easy access like: context.loc.localizations.hello');
buffer.writeln('//');
buffer.writeln("// import 'package:flutter/material.dart';");
buffer.writeln("// import 'generated_localizations.dart';");
buffer.writeln('//');
buffer.writeln('// extension LocalizationsExtension on BuildContext {');
buffer.writeln('// $className get loc => $className.of(this);');
buffer.writeln('// }');
return buffer.toString();
}