Check integer ranges are safe

src/index.js

@@ -1,3 +1,5 @@
+const {MIN_SAFE_INTEGER, MAX_SAFE_INTEGER} = Number;
+
 const byteRange = (bytes, opts = {signed: false}) => {
 	if (bytes < 1 || !Number.isSafeInteger(bytes)) {
 		throw new TypeError('`bytes` must be a positive integer');
@@ -12,6 +14,10 @@ const byteRange = (bytes, opts = {signed: false}) => {
 		max -= offset;
 	}
 
+	if (min < MIN_SAFE_INTEGER || max > MAX_SAFE_INTEGER) {
+		throw new RangeError('This range connot be safely calculated in JavaScript');
+	}
+
 	return [min, max];
 };
 

test/unit.js

@@ -36,3 +36,7 @@ test('byteRange() throws invalid byte values', t => {
 	t.throws(() => byteRange(0));
 	t.throws(() => byteRange(1.5));
 });
+
+test('byteRange() throws on unsafe ranges', t => {
+	t.throws(() => byteRange(100));
+});