From: Chris Duncan <chris@codecow.com>
Date: Fri, 3 Jul 2026 07:25:57 +0000 (-0700)
Subject: Deprecate remaining padStart usages.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=664a2a1f3db43254ce6388c3eeeef86b0ac86971;p=libnemo.git

Deprecate remaining padStart usages.
---

diff --git a/src/lib/crypto/blake2b.ts b/src/lib/crypto/blake2b.ts
index 18bfca7..b7b3e67 100644
--- a/src/lib/crypto/blake2b.ts
+++ b/src/lib/crypto/blake2b.ts
@@ -248,9 +248,11 @@ export class Blake2b {
 	 *
 	 * @returns {Bytes}
 	 */
-	digest (): Bytes {
+	digest (): Bytes
+	digest (format: 'hex'): string
+	digest (format?: 'hex'): Bytes | string {
 		const buf = new Uint8Array(this.#outlen)
 		this.#blake2bFinal(buf)
-		return buf
+		return (format === 'hex') ? bytes.toHex(buf) : buf
 	}
 }
diff --git a/src/lib/tools.ts b/src/lib/tools.ts
index 52e1a9c..0f4f90b 100644
--- a/src/lib/tools.ts
+++ b/src/lib/tools.ts
@@ -89,7 +89,8 @@ export class Tools {
 
 		// convert to desired denomination
 		const outUnit = UNITS[outputUnit]
-		i = int.toString().padStart(40, '0')
+		i = int.toString()
+		while (i.length < 40) i = '0' + i
 		f = i.slice(40 - outUnit).replace(/0*$/g, '')
 		i = i.slice(0, 40 - outUnit).replace(/^0*/g, '')
 		const output = `${i === '' ? '0' : i}${f === '' ? '' : '.'}${f}`
diff --git a/test/test.blake2b.mjs b/test/test.blake2b.mjs
index 0810381..87ab22f 100644
--- a/test/test.blake2b.mjs
+++ b/test/test.blake2b.mjs
@@ -31,8 +31,8 @@ await Promise.all([
 					)
 				}
 				try {
-					const output = new Blake2b(64, key).update(input).digest()
-					const hex = [...output].map(b => b.toString(16).padStart(2, '0')).join('')
+					/** @type {string} */
+					const hex = new Blake2b(64, key).update(input).digest('hex')
 					assert.equal(hex, test.out)
 				} catch (err) {
 					console.error(`blake2b reference test vector ${i} failed`, { cause: err })
@@ -83,9 +83,8 @@ await Promise.all([
 					)
 				}
 				try {
-					/** @type {Uint8Array<ArrayBuffer>} */
-					const output = new Blake2b(test.outlen ?? 64, key, salt, personal).update(input).digest()
-					const hex = [...output].map(b => b.toString(16).padStart(2, '0')).join('')
+					/** @type {string} */
+					const hex = new Blake2b(test.outlen ?? 64, key, salt, personal).update(input).digest('hex')
 					assert.equal(hex, test.out)
 				} catch (err) {
 					console.error(`blake2b libsodium test vector ${i} failed`, { cause: err })