fromBytes
Decodes a byte array to a string, hex value, boolean or number.
Import
ts
import { fromBytes } from 'viem/utils'
Usage
ts
import { fromBytes } from 'viem/utils'
fromBytes(
new Uint8Array([72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33]),
'string'
)
// 'Hello world'
fromBytes(
new Uint8Array([72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33]),
'hex'
)
// '0x48656c6c6f20576f726c6421'
fromBytes(new Uint8Array([1, 164]), 'number')
// 420
fromBytes(new Uint8Array([1]), 'boolean')
// true
Returns
string | Hex | number | bigint | boolean
The targeted type.
Parameters
value
- Type:
ByteArray
The byte array to decode.
to
- Type:
"string" | "hex" | "number" | "bigint" | "boolean"
The output type.
Shortcut Functions
bytesToHex
- Type:
Hex
Decodes a byte array to a hex value.
ts
import { numberToHex } from 'viem/utils'
bytesToHex(new Uint8Array([72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33]))
// '0x48656c6c6f20576f726c6421'
bytesToString
- Type:
Hex
Decodes a byte array to a string.
ts
import { numberToHex } from 'viem/utils'
bytesToString(new Uint8Array([72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33]))
// 'Hello world'
bytesToNumber
- Type:
number
Decodes a byte array to a number.
ts
import { bytesToNumber } from 'viem/utils'
bytesToNumber(new Uint8Array([1, 164]))
// 420
bytesToBigint
- Type:
number
Decodes a byte array to a number.
ts
import { bytesToBigint } from 'viem/utils'
bytesToBigint(new Uint8Array([12, 92, 243, 146, 17, 135, 111, 181, 229, 136, 67, 39, 250, 86, 252, 11, 117]))
// 4206942069420694206942069420694206942069n
bytesToBool
- Type:
boolean
Decodes a byte array to a boolean.
ts
import { bytesToBool } from 'viem/utils'
bytesToBool(new Uint8Array([1]))
// true