From 082f0ecadf9a053a5c606f1eb6f19772bd944082 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@zoso.dev>
Date: Wed, 27 Nov 2024 14:04:04 -0800
Subject: [PATCH] Condense assertions.

---
 src/lib/blake2b.ts | 37 +++++++++++++------------------------
 1 file changed, 13 insertions(+), 24 deletions(-)

diff --git a/src/lib/blake2b.ts b/src/lib/blake2b.ts
index cbc9777..6b8e634 100644
--- a/src/lib/blake2b.ts
+++ b/src/lib/blake2b.ts
@@ -216,10 +216,8 @@ function blake2b (outlen: number, key?: Uint8Array, salt?: Uint8Array, personal?
 	function digest (out?: 'binary' | Uint8Array): Uint8Array
 	function digest (out?: 'binary' | 'hex' | Uint8Array): string | Uint8Array {
 		var buf = (!out || out === 'binary' || out === 'hex') ? new Uint8Array(outlen) : out
-		if (!(buf instanceof Uint8Array))
-			throw new TypeError(`out must be "binary", "hex", Uint8Array, or Buffer`)
-		if (buf.length < outlen)
-			throw new RangeError(`out must have at least outlen bytes of space`)
+		if (!(buf instanceof Uint8Array)) throw new TypeError(`out must be "binary", "hex", Uint8Array, or Buffer`)
+		if (buf.length < outlen) throw new RangeError(`out must have at least outlen bytes of space`)
 		blake2bFinal(this, buf)
 		if (out === 'hex') return hexSlice(buf)
 		return buf
@@ -266,9 +264,9 @@ function blake2b (outlen: number, key?: Uint8Array, salt?: Uint8Array, personal?
 
 	const toHex = function (n: number) {
 		if (typeof n !== 'number')
-			throw new TypeError(`expected number to convert to hex, received convert ${typeof n}`)
+			throw new TypeError(`expected number to convert to hex; received ${typeof n}`)
 		if (n < 0 || n > 255)
-			throw new RangeError(`expected byte value 0-255, received ${n}`)
+			throw new RangeError(`expected byte value 0-255; received ${n}`)
 		return n.toString(16).padStart(2, '0')
 	}
 
@@ -312,29 +310,20 @@ function blake2b (outlen: number, key?: Uint8Array, salt?: Uint8Array, personal?
 
 	// finally execute the original function call
 	if (noAssert !== true) {
-		if (outlen < BYTES_MIN)
-			throw new RangeError(`outlen must be at least ${BYTES_MIN}, was given ${outlen}`)
-		if (outlen > BYTES_MAX)
-			throw new RangeError(`outlen must be at most ${BYTES_MAX}, was given ${outlen}`)
+		if (outlen < BYTES_MIN) throw new RangeError(`expected outlen >= ${BYTES_MIN}; actual ${outlen}`)
+		if (outlen > BYTES_MAX) throw new RangeError(`expectd outlen <= ${BYTES_MAX}; actual ${outlen}`)
 		if (key != null) {
-			if (!(key instanceof Uint8Array))
-				throw new TypeError(`key must be Uint8Array or Buffer`)
-			if (key.length < KEYBYTES_MIN)
-				throw new RangeError(`key must be at least ${KEYBYTES_MIN}, was given ${key.length}`)
-			if (key.length > KEYBYTES_MAX)
-				throw new RangeError(`key must be at most ${KEYBYTES_MAX}, was given ${key.length}`)
+			if (!(key instanceof Uint8Array)) throw new TypeError(`key must be Uint8Array or Buffer`)
+			if (key.length < KEYBYTES_MIN) throw new RangeError(`expected key >= ${KEYBYTES_MIN}; actual ${key.length}`)
+			if (key.length > KEYBYTES_MAX) throw new RangeError(`expected key <= ${KEYBYTES_MAX}; actual ${key.length}`)
 		}
 		if (salt != null) {
-			if (!(salt instanceof Uint8Array))
-				throw new TypeError(`salt must be Uint8Array or Buffer`)
-			if (salt.length !== SALTBYTES)
-				throw new RangeError(`salt must be exactly ${SALTBYTES}, was given ${salt.length}`)
+			if (!(salt instanceof Uint8Array)) throw new TypeError(`salt must be Uint8Array or Buffer`)
+			if (salt.length !== SALTBYTES) throw new RangeError(`expected salt ${SALTBYTES} bytes; actual ${salt.length} bytes`)
 		}
 		if (personal != null) {
-			if (!(personal instanceof Uint8Array))
-				throw new TypeError(`personal must be Uint8Array or Buffer`)
-			if (personal.length !== PERSONALBYTES)
-				throw new RangeError(`personal must be exactly ${PERSONALBYTES}, was given ${personal.length}`)
+			if (!(personal instanceof Uint8Array)) throw new TypeError(`personal must be Uint8Array or Buffer`)
+			if (personal.length !== PERSONALBYTES) throw new RangeError(`expected personal ${PERSONALBYTES} bytes; actual ${personal.length} bytes`)
 		}
 	}
 
-- 
2.34.1