fix: Favour v1.0 to 1.0 in last tag resolution

src/lib/semver.mts

@@ -18,14 +18,13 @@ class SemVer {
     this.#patch = fmtNum(patch);
   }
 
-  public static cmp(a: SemVer | undefined, b: SemVer | undefined): 1 | 0 | -1 {
-    if (a == null) {
-      return b == null ? 0 : -1;
-    } else if (b == null) {
-      return -1;
-    }
-
-    return cmpNum(a.major, b.major) ?? cmpNum(a.#minor, b.#minor) ?? cmpNum(a.#patch, b.#patch) ?? 0;
+  /** Sorts in descending order, i.e. a higher version will come before a lower version */
+  public static cmp(a: SemVer, b: SemVer): 1 | 0 | -1 {
+    return cmpNum(a.major, b.major)
+      ?? cmpNum(a.#minor, b.#minor)
+      ?? cmpNum(a.#patch, b.#patch)
+      ?? cmpPrefixed(a.prefixed, b.prefixed)
+      ?? 0;
   }
 
   public static parse(from: string, allowStrippingVPrefix = false): SemVer | undefined {
@@ -175,6 +174,14 @@ function fmtNum(num: number | string | undefined): number | undefined {
   }
 }
 
+function cmpPrefixed(a: boolean, b: boolean): 1 | -1 | undefined {
+  if (a && !b) {
+    return -1;
+  } else if (!a && b) {
+    return 1;
+  }
+}
+
 function cmpNum(a: number | undefined, b: number | undefined): 1 | -1 | undefined {
   if (a == null) {
     return b == null ? undefined : 1;