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- import { assertU8, fromUint8 } from './fallback/_utils.js'
- import * as js from './fallback/hex.js'
- const { toHex: webHex } = Uint8Array.prototype // Modern engines have this
- export function toHex(arr) {
- assertU8(arr)
- if (arr.length === 0) return ''
- if (webHex && arr.toHex === webHex) return arr.toHex()
- return js.toHex(arr)
- }
- // Unlike Buffer.from(), throws on invalid input
- export const fromHex = Uint8Array.fromHex
- ? (str, format = 'uint8') => fromUint8(Uint8Array.fromHex(str), format)
- : (str, format = 'uint8') => fromUint8(js.fromHex(str), format)
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