igir/dist/src/streams/skipBytesTransform.js

🕹 A zero-setup ROM collection manager that sorts, filters, extracts or archives, patches, and reports on collections of any size on any OS.

import stream from "node:stream";
class SkipBytesTransform extends stream.Transform {
  remaining;
  constructor(count) {
    super();
    this.remaining = count;
  }
  /**
   * Pass through bytes after the leading `count` bytes have been dropped.
   */
  _transform(chunk, _encoding, callback) {
    if (this.remaining > 0) {
      if (chunk.length <= this.remaining) {
        this.remaining -= chunk.length;
        callback();
        return;
      }
      const sliced = chunk.subarray(this.remaining);
      this.remaining = 0;
      callback(void 0, sliced);
      return;
    }
    callback(void 0, chunk);
  }
}
export {
  SkipBytesTransform as default
};
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