jsonparser

package module

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Versions in this module

v1

v1.6.1

Jul 30, 2026

v1.6.0

Jul 29, 2026

Changes in this version

+ func Append(data []byte, value []byte, keys ...string) ([]byte, error)

v1.5.1

Jul 29, 2026

v1.5.0

Jul 28, 2026

Changes in this version

+ var DefaultConfig = Config

+ var Lenient = Config

+ func EachArray(data []byte, cb func(value []byte, dataType ValueType, offset int, err error), ...)

+ func EachArrayErr(data []byte, ...) (int, error)

+ func EachArrayWildcard(data []byte, ...) (int, error)

+ func EachObject(data []byte, ...) error

+ type Config struct

+ AllowSingleQuotes bool

+ AllowUnknownEscapes bool

+ MaxBufferSize int

+ func (c Config) ArrayEach(data []byte, cb func([]byte, ValueType, int, error), keys ...string) (int, error)

+ func (c Config) Delete(data []byte, keys ...string) []byte

+ func (c Config) Get(data []byte, keys ...string) ([]byte, ValueType, int, error)

+ func (c Config) GetString(data []byte, keys ...string) (string, error)

+ func (c Config) ObjectEach(data []byte, cb func([]byte, []byte, ValueType, int) error, keys ...string) error

+ func (c Config) Set(data []byte, value []byte, keys ...string) ([]byte, error)

+ type ReaderParser struct

+ func NewReaderParser(r io.Reader, opts ...Config) *ReaderParser

+ func (rp *ReaderParser) ArrayEach(cb func(value []byte, vt ValueType, err error)) error

+ func (rp *ReaderParser) Get(keys ...string) (value []byte, vt ValueType, err error)

+ func (rp *ReaderParser) GetString(keys ...string) (string, error)

v1.4.0

Jul 28, 2026

Changes in this version

+ func ArrayEachErr(data []byte, ...) (count int, err error)

+ func ArrayEachWildcard(data []byte, ...) (int, error)

+ func DeleteFound(data []byte, keys ...string) (result []byte, found bool)

+ func EachKeyErr(data []byte, cb func(idx int, value []byte, vt ValueType, err error) error, ...) error

+ func EachKeyWildcard(data []byte, cb func(idx int, value []byte, vt ValueType, err error), ...) error

+ func Escape(in string) []byte

+ func GetArrayLen(data []byte, keys ...string) (int, error)

+ func GetObjectLen(data []byte, keys ...string) (int, error)

+ func GetUint64(data []byte, keys ...string) (uint64, error)

+ func ParsePath(jsonPath string) ([]string, error)

+ func SetString(data []byte, val string, keys ...string) ([]byte, error)

+ func SetWildcard(data []byte, setValue []byte, keys ...string) ([]byte, error)

+ type CompiledPath struct

+ func CompilePath(jsonPath string) (CompiledPath, error)

+ func (c CompiledPath) ArrayEach(data []byte, cb func([]byte, ValueType, int, error)) (int, error)

+ func (c CompiledPath) Delete(data []byte) []byte

+ func (c CompiledPath) EachKey(data []byte, cb func(int, []byte, ValueType, error)) error

+ func (c CompiledPath) Get(data []byte) ([]byte, ValueType, int, error)

+ func (c CompiledPath) GetInt(data []byte) (int64, error)

+ func (c CompiledPath) GetString(data []byte) (string, error)

+ func (c CompiledPath) Parts() []string

+ func (c CompiledPath) Set(data []byte, value []byte) ([]byte, error)

v1.3.1

Jul 28, 2026

v1.3.0

Jul 27, 2026

v1.2.0

Apr 29, 2026

v1.1.2

Mar 19, 2026

Changes in this version

+ var NullValueError = errors.New("Value is null")

v1.1.1

Jan 8, 2021 GO-2026-4514

GO-2026-4514: Denial of service in github.com/buger/jsonparser

v1.1.0

Dec 24, 2020 GO-2021-0057 +1 more

GO-2021-0057: Panic due to improper input validation in github.com/buger/jsonparser

GO-2026-4514: Denial of service in github.com/buger/jsonparser

Changes in this version

+ func FuzzDelete(data []byte) int

+ func FuzzEachKey(data []byte) int

+ func FuzzGetBoolean(data []byte) int

+ func FuzzGetFloat(data []byte) int

+ func FuzzGetInt(data []byte) int

+ func FuzzGetString(data []byte) int

+ func FuzzGetUnsafeString(data []byte) int

+ func FuzzObjectEach(data []byte) int

+ func FuzzParseBool(data []byte) int

+ func FuzzParseFloat(data []byte) int

+ func FuzzParseInt(data []byte) int

+ func FuzzSet(data []byte) int

+ func FuzzTokenStart(data []byte) int

+ func WriteToBuffer(buffer []byte, str string) int

v1.0.0

May 10, 2020 GO-2021-0057 +1 more

GO-2021-0057: Panic due to improper input validation in github.com/buger/jsonparser

GO-2026-4514: Denial of service in github.com/buger/jsonparser

Changes in this version

+ const Array

+ const Boolean

+ const NotExist

+ const Null

+ const Number

+ const Object

+ const String

+ const Unknown

+ var KeyPathNotFoundError = errors.New("Key path not found")

+ var MalformedArrayError = errors.New("Value is array, but can't find closing ']' symbol")

+ var MalformedJsonError = errors.New("Malformed JSON error")

+ var MalformedObjectError = errors.New("Value looks like object, but can't find closing '}' symbol")

+ var MalformedStringError = errors.New("Value is string, but can't find closing '\"' symbol")

+ var MalformedStringEscapeError = errors.New("Encountered an invalid escape sequence in a string")

+ var MalformedValueError = errors.New(...)

+ var OverflowIntegerError = errors.New("Value is number, but overflowed while parsing")

+ var UnknownValueTypeError = errors.New("Unknown value type")

+ func ArrayEach(data []byte, cb func(value []byte, dataType ValueType, offset int, err error), ...) (offset int, err error)

+ func Delete(data []byte, keys ...string) []byte

+ func EachKey(data []byte, cb func(int, []byte, ValueType, error), paths ...[]string) int

+ func FuzzParseString(data []byte) int

+ func GetBoolean(data []byte, keys ...string) (val bool, err error)

+ func GetFloat(data []byte, keys ...string) (val float64, err error)

+ func GetInt(data []byte, keys ...string) (val int64, err error)

+ func GetString(data []byte, keys ...string) (val string, err error)

+ func GetUnsafeString(data []byte, keys ...string) (val string, err error)

+ func ObjectEach(data []byte, ...) (err error)

+ func ParseBoolean(b []byte) (bool, error)

+ func ParseFloat(b []byte) (float64, error)

+ func ParseInt(b []byte) (int64, error)

+ func ParseString(b []byte) (string, error)

+ func Set(data []byte, setValue []byte, keys ...string) (value []byte, err error)

+ func StringToBytes(s string) []byte

+ func Unescape(in, out []byte) ([]byte, error)

+ type ValueType int

+ func Get(data []byte, keys ...string) (value []byte, dataType ValueType, offset int, err error)

+ func (vt ValueType) String() string

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