Function createParser

Build a callable parser (agnostic usage) manage his internal state for successive chunks call.

call it with data chunk string, will call back for each parsed event as IEvent object

Returns

a function which take a chunk string as first argument and a callback as second argument

Example

  const parser = createParser();

  return new Transform({
    writableObjectMode: false,
    readableObjectMode: true,
    transform(_data: Buffer, encoding, callback) {
      const data = _data.toString('utf8');

      parser(data, event => this.push(event));

      callback();
    },
  });