getI128Encoder

getI128Encoder(config): FixedSizeEncoder<number | bigint, 16>

Returns an encoder for 128-bit signed integers (i128).

This encoder serializes i128 values using 16 bytes. Values can be provided as either number or bigint.

For more details, see getI128Codec.

Parameters

Parameter	Type	Description
`config`	`NumberCodecConfig`	Optional configuration to specify endianness (little by default).

FixedSizeEncoder<number | bigint, 16>

A FixedSizeEncoder<number | bigint, 16> for encoding i128 values.

Encoding an i128 value.

const encoder = getI128Encoder();
const bytes = encoder.encode(-42n); // 0xd6ffffffffffffffffffffffffffffff