refactor: remove bun support (not yet implemented) (#1)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: fengmk2

CLAUDE.md

@@ -59,7 +59,7 @@ This is a GitHub Action with main and post execution phases (defined in `action.
 
 ### Lock File Detection
 
-Auto-detects package manager from lock files: `pnpm-lock.yaml`, `package-lock.json`, `yarn.lock`, `bun.lockb`
+Auto-detects package manager from lock files: `pnpm-lock.yaml`, `package-lock.json`, `yarn.lock`
 
 ## Testing
 

README.md

@@ -8,7 +8,7 @@ GitHub Action to set up [Vite+](https://github.com/voidzero-dev/vite-plus) (`@vo
 - Support both npm Registry and GitHub Package Registry
 - Cache project dependencies with auto-detection of lock files
 - Optionally run `vite install` after setup
-- Support for all major package managers (npm, pnpm, yarn, bun)
+- Support for all major package managers (npm, pnpm, yarn)
 
 ## Requirements
 
@@ -113,7 +113,6 @@ When `cache: true` is set, the action automatically detects your lock file and c
 | `pnpm-lock.yaml` | pnpm | pnpm store |
 | `package-lock.json` | npm | npm cache |
 | `yarn.lock` | yarn | yarn cache |
-| `bun.lockb` | bun | bun cache |
 
 The cache key format is: `vite-plus-{OS}-{arch}-{pm}-{lockfile-hash}`
 

dist/index.mjs

@@ -34,7 +34,6 @@ export enum LockFileType {
   Npm = "npm",
   Pnpm = "pnpm",
   Yarn = "yarn",
-  Bun = "bun",
 }
 
 export interface LockFileInfo {

src/types.ts

@@ -63,18 +63,6 @@ describe("detectLockFile", () => {
       });
     });
 
-    it("should return lock file info for bun.lockb", () => {
-      vi.mocked(existsSync).mockReturnValue(true);
-
-      const result = detectLockFile("bun.lockb");
-
-      expect(result).toEqual({
-        type: LockFileType.Bun,
-        path: join(mockWorkspace, "bun.lockb"),
-        filename: "bun.lockb",
-      });
-    });
-
     it("should return undefined if explicit file does not exist", () => {
       vi.mocked(existsSync).mockReturnValue(false);
 
@@ -144,7 +132,7 @@ describe("detectLockFile", () => {
     });
 
     it("should detect yarn.lock when higher priority files are absent", () => {
-      vi.mocked(readdirSync).mockReturnValue(["yarn.lock", "bun.lockb"] as unknown as ReturnType<
+      vi.mocked(readdirSync).mockReturnValue(["yarn.lock"] as unknown as ReturnType<
         typeof readdirSync
       >);
 
@@ -157,20 +145,6 @@ describe("detectLockFile", () => {
       });
     });
 
-    it("should detect bun.lockb when no other lock files present", () => {
-      vi.mocked(readdirSync).mockReturnValue(["bun.lockb"] as unknown as ReturnType<
-        typeof readdirSync
-      >);
-
-      const result = detectLockFile();
-
-      expect(result).toEqual({
-        type: LockFileType.Bun,
-        path: join(mockWorkspace, "bun.lockb"),
-        filename: "bun.lockb",
-      });
-    });
-
     it("should return undefined when no lock files found", () => {
       vi.mocked(readdirSync).mockReturnValue([
         "package.json",

src/utils.test.ts

@@ -2,7 +2,6 @@ import { info, warning, debug } from "@actions/core";
 import { getExecOutput } from "@actions/exec";
 import { existsSync, readdirSync } from "node:fs";
 import { isAbsolute, join, basename } from "node:path";
-import { homedir } from "node:os";
 import { LockFileType } from "./types.js";
 import type { LockFileInfo } from "./types.js";
 
@@ -12,7 +11,6 @@ const LOCK_FILES: Array<{ filename: string; type: LockFileType }> = [
   { filename: "package-lock.json", type: LockFileType.Npm },
   { filename: "npm-shrinkwrap.json", type: LockFileType.Npm },
   { filename: "yarn.lock", type: LockFileType.Yarn },
-  { filename: "bun.lockb", type: LockFileType.Bun },
 ];
 
 /**
@@ -67,9 +65,6 @@ function inferLockFileType(fullPath: string, filename: string): LockFileInfo {
   if (filename.includes("yarn")) {
     return { type: LockFileType.Yarn, path: fullPath, filename };
   }
-  if (filename.includes("bun")) {
-    return { type: LockFileType.Bun, path: fullPath, filename };
-  }
   // Default to npm
   return { type: LockFileType.Npm, path: fullPath, filename };
 }
@@ -83,8 +78,6 @@ export async function getCacheDirectories(lockType: LockFileType): Promise<strin
     case LockFileType.Pnpm:
     case LockFileType.Yarn:
       return getViteCacheDir();
-    case LockFileType.Bun:
-      return getBunCacheDir();
     default:
       return [];
   }
@@ -112,13 +105,3 @@ async function getViteCacheDir(): Promise<string[]> {
   const cacheDir = await getCommandOutput("vite", ["pm", "cache", "dir"]);
   return cacheDir ? [cacheDir] : [];
 }
-
-async function getBunCacheDir(): Promise<string[]> {
-  const cacheDir = await getCommandOutput("bun", ["pm", "cache"]);
-  if (cacheDir) return [cacheDir];
-
-  // Fallback to default location
-  const home = homedir();
-  const defaultCache = join(home, ".bun", "install", "cache");
-  return existsSync(defaultCache) ? [defaultCache] : [];
-}