20 lines
671 B
JavaScript
20 lines
671 B
JavaScript
import { assertUint8 } from './assert.js'
|
|
import { typedView } from './array.js'
|
|
import { skipWeb } from './fallback/_utils.js'
|
|
import * as js from './fallback/hex.js'
|
|
|
|
const { toHex: webHex } = Uint8Array.prototype // Modern engines have this
|
|
|
|
export function toHex(arr) {
|
|
assertUint8(arr)
|
|
if (arr.length === 0) return ''
|
|
if (!skipWeb && webHex && arr.toHex === webHex) return arr.toHex()
|
|
return js.toHex(arr)
|
|
}
|
|
|
|
// Unlike Buffer.from(), throws on invalid input
|
|
export const fromHex =
|
|
!skipWeb && Uint8Array.fromHex
|
|
? (str, format = 'uint8') => typedView(Uint8Array.fromHex(str), format)
|
|
: (str, format = 'uint8') => typedView(js.fromHex(str), format)
|