refactor(registry): remove obsolete ZIP version guard

packages/registry/src/definition.test.ts

@@ -5,8 +5,8 @@ import { afterEach, beforeEach, describe, expect, it } from "vitest";
 import {
   compareSemver,
   constructTag,
+  isExplicitVersionEntry,
   isVersioned,
-  isZipVersionEntry,
   listDefinitions,
   loadDefinition,
   resolveUrl,
@@ -481,11 +481,12 @@ versions:
     expect(isVersioned(def)).toBe(true);
     if (!isVersioned(def)) throw new Error("expected versioned");
     expect(def.versions).toHaveLength(1);
-    expect(isZipVersionEntry(def.versions[0])).toBe(true);
-    if (isZipVersionEntry(def.versions[0])) {
-      expect(def.versions[0].versions).toEqual(["3.14", "3.13"]);
-      expect(def.versions[0].source.type).toBe("zip");
+    const entry = def.versions[0];
+    if (!entry || !isExplicitVersionEntry(entry)) {
+      throw new Error("expected explicit version entry");
     }
+    expect(entry.versions).toEqual(["3.14", "3.13"]);
+    expect(entry.source.type).toBe("zip");
   });
 
   it("parses exclude_paths in zip source", () => {
@@ -511,12 +512,15 @@ versions:
 
     expect(isVersioned(def)).toBe(true);
     if (!isVersioned(def)) throw new Error("expected versioned");
-    if (isZipVersionEntry(def.versions[0])) {
-      expect(def.versions[0].source.exclude_paths).toEqual([
-        "whatsnew/**",
-        "changelog.html",
-      ]);
+    const entry = def.versions[0];
+    if (!entry || !isExplicitVersionEntry(entry)) {
+      throw new Error("expected explicit version entry");
     }
+    expect(entry.source.type).toBe("zip");
+    expect(entry.source.exclude_paths).toEqual([
+      "whatsnew/**",
+      "changelog.html",
+    ]);
   });
 
   it("resolves zip version entry by exact match", () => {

packages/registry/src/definition.ts

@@ -134,13 +134,6 @@ export function isGitVersionEntry(
   return "min_version" in entry;
 }
 
-/** Type guard for ZIP archive releases. */
-export function isZipVersionEntry(
-  entry: VersionEntry,
-): entry is ZipVersionEntry {
-  return entry.source.type === "zip";
-}
-
 /** Entries with an explicit release list, independent of package-manager APIs. */
 export function isExplicitVersionEntry(
   entry: VersionEntry,

packages/registry/src/html-index-build.test.ts

@@ -15,7 +15,6 @@ import { buildFromDefinition } from "./build.js";
 import {
   isExplicitVersionEntry,
   isVersioned,
-  isZipVersionEntry,
   loadDefinition,
   resolveVersionEntry,
   type VersionedDefinition,
@@ -64,7 +63,7 @@ describe("HTML index registry integration", () => {
     expect(isVersioned(def)).toBe(true);
     const entry = resolveVersionEntry(def as VersionedDefinition, "258");
     expect(entry && isExplicitVersionEntry(entry)).toBe(true);
-    expect(entry && isZipVersionEntry(entry)).toBe(false);
+    expect(entry?.source.type).toBe("html-index");
     expect(
       resolveVersionEntry(def as VersionedDefinition, "257"),
     ).toBeUndefined();

packages/registry/src/index.ts

@@ -12,7 +12,6 @@ export {
   isExplicitVersionEntry,
   isGitVersionEntry,
   isVersioned,
-  isZipVersionEntry,
   listDefinitions,
   loadDefinition,
   type PackageDefinition,