import fs from 'fs'; const file = fs.readFileSync('./src/api.ts', 'utf8'); // Fixes an issue where attaching multiple files to FormData doesn't work const newFile = file.replace( `localVarFormParams.append(files.join(COLLECTION_FORMATS.csv));`, `files.forEach(file => localVarFormParams.append('files', file));` ); fs.writeFileSync('./src/api.ts', newFile);