createDartExportFile function
Generates the export file with the TKeys and TData files.
Implementation
void createDartExportFile(List<String> exportPaths) {
final dir = config.dartOutputDir;
exportPaths.sort();
var fileContents = exportPaths
.map((path) => 'export "${p.relative(path, from: dir)}";')
.join('\n');
var exportFilePath = p.join(dir, '${p.basename(dir)}.dart');
/// export the file.
saveString(exportFilePath, fileContents);
}