diff options
Diffstat (limited to 'vanilla/node_modules/@exodus/bytes/bigint.js')
| -rw-r--r-- | vanilla/node_modules/@exodus/bytes/bigint.js | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/vanilla/node_modules/@exodus/bytes/bigint.js b/vanilla/node_modules/@exodus/bytes/bigint.js new file mode 100644 index 0000000..a51f909 --- /dev/null +++ b/vanilla/node_modules/@exodus/bytes/bigint.js @@ -0,0 +1,14 @@ +import { toHex, fromHex } from '@exodus/bytes/hex.js' +import { assert } from './fallback/_utils.js' + +const _0n = BigInt(0) + +export function fromBigInt(x, { length, format } = {}) { + assert(Number.isSafeInteger(length) && length > 0, 'Expected length arg to be a positive integer') + assert(typeof x === 'bigint' && x >= _0n, 'Expected a non-negative bigint') + const hex = x.toString(16) + assert(length * 2 >= hex.length, `Can not fit supplied number into ${length} bytes`) + return fromHex(hex.padStart(length * 2, '0'), format) +} + +export const toBigInt = (a) => BigInt('0x' + (toHex(a) || '0')) |
