fromBytes

fromBytes<to>(bytes, toOrOpts): FromBytesReturnType<to>

Decodes a byte array into a UTF-8 string, hex value, number, bigint or boolean.

• Docs: https://viem.sh/docs/utilities/fromBytes
• Example: https://viem.sh/docs/utilities/fromBytes#usage

Type Parameters

• to extends "string" | "number" | "bigint" | "boolean" | "hex"

Parameters

• bytes: Uint8Array

Byte array to decode.

• toOrOpts: FromBytesParameters<to>

Type to convert to or options.

Returns

FromBytesReturnType<to>

Decoded value.

Examples

import { fromBytes } from 'viem'
const data = fromBytes(new Uint8Array([1, 164]), 'number')
// 420

import { fromBytes } from 'viem'
const data = fromBytes(
  new Uint8Array([72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33]),
  'string'
)
// 'Hello world'

Defined in

node_modules/.pnpm/viem@2.21.1_bufferutil@4.0.8_typescript@5.6.2_utf-8-validate@6.0.4_zod@3.23.8/node_modules/viem/_types/utils/encoding/fromBytes.d.ts:37