jsonl

package

v0.1.3 Latest Latest Go to latest Published: Feb 27, 2026 License: MIT Imports: 4 Imported by: 0

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Package jsonl provides streaming JSONL readers with optional line size limits.

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var ErrLineTooLong = errors.New("jsonl line exceeds max size")

ErrLineTooLong is returned when a JSONL line exceeds the configured max size.

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type Line struct {
	Data      []byte
	BytesRead int
	TooLong   bool
}

Line represents a single JSONL line read from a stream. Data excludes trailing newline characters. BytesRead includes any newline bytes consumed.

type Reader struct {
	// contains filtered or unexported fields
}

Reader streams JSONL lines from an io.Reader.

func NewReader(r io.Reader, maxLineBytes int) *Reader

NewReader creates a new JSONL streaming reader. maxLineBytes of 0 disables the line size limit.

func (r *Reader) Next() (Line, error)

Next reads the next JSONL line. It returns io.EOF when no more data remains. If the line exceeds maxLineBytes, TooLong is set and Data is nil.