Function prepareData

src/dataClean.ts:22–31

(chunk: Buffer, runtime: ParseRuntime)

 * 3. stripBom 
 */
export function prepareData(chunk: Buffer, runtime: ParseRuntime): string {
  const workChunk = concatLeftChunk(chunk, runtime);
  runtime.csvLineBuffer = undefined;
  const cleanCSVString = cleanUtf8Split(workChunk, runtime).toString("utf8");
  if (runtime.started === false) {
    return stripBom(cleanCSVString);
  } else {
    return cleanCSVString;
  }
}
/**
 *  append data to buffer that is left form last chunk
 */