Backport fix for GHSA-f886-m6hf-6m8v (#95)

Author: fenichelar

index.js

@@ -151,7 +151,7 @@ function expand(str, isTop) {
     var y = numeric(n[1]);
     var width = Math.max(n[0].length, n[1].length)
     var incr = n.length == 3
-      ? Math.abs(numeric(n[2]))
+      ? Math.max(Math.abs(numeric(n[2])), 1)
       : 1;
     var test = lte;
     var reverse = y < x;
@@ -198,4 +198,3 @@ function expand(str, isTop) {
 
   return expansions;
 }
-

test/bash-results.txt

@@ -1081,4 +1081,6 @@ A{b,{d,e},{f,g}}Z
 [a}b]><><><><{}{{},a}}b
 [{}{}}b]
 [{}a}b]><><><><{}a,b}c
-[{}a,b}c]><><><><
+[{}a,b}c]><><><><{1..2..0}
+[1]
+[2]><><><><

test/cases.txt

@@ -185,3 +185,4 @@ y{},a}x
 {{},a}}b
 {}{{},a}}b
 {}a,b}c
+{1..2..0}