[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1ctsws6t7t8ri":3},{"code":4,"message":5,"data":6,"timestamp":68},10000,"success",{"full_name":7,"position":8,"description":9,"language":10,"stars":11,"forks":12,"stars_gained":13,"age_days":14,"hn_threads":15,"one_liner":46,"summary_md":47,"topic":48,"github_topics":51,"license":64,"homepage":65,"updated_at":66,"history":67},"oven-sh\u002Fbun",4,"Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one","Rust",96386,5123,207,2020,[16,22,28,34,40],{"id":17,"title":18,"points":19,"comments":20,"posted_at":21},48016880,"Zig → Rust porting guide",723,555,"2026-05-05",{"id":23,"title":24,"points":25,"comments":26,"posted_at":27},48132488,"Rewrite Bun in Rust has been merged",708,789,"2026-05-14",{"id":29,"title":30,"points":31,"comments":32,"posted_at":33},48150900,"Bun Rust rewrite: \"codebase fails basic miri checks, allows for UB in safe rust\"",488,345,"2026-05-15",{"id":35,"title":36,"points":37,"comments":38,"posted_at":39},33198198,"Bun v0.2.0",133,58,"2022-10-14",{"id":41,"title":42,"points":43,"comments":44,"posted_at":45},44611467,"Bun adds pnpm-style isolated installation mode",114,16,"2025-07-19","用一个快速二进制替代 Node 运行时、npm install、Jest 和打包器，面向 JavaScript\u002FTypeScript 项目。","## 解决什么问题\n一个典型的 JavaScript 项目往往要叠运行时、包管理器、测试框架和打包器，每个都有自己的配置、缓存和启动开销，工具链本身的成本有时比业务代码还高。Bun 把这些合并成一个 `bun` 可执行文件，定位是 Node.js 的 drop-in replacement，让现有项目换一个二进制就能先跑起来看看。\n\n## 有什么不同\n常规组合是 Node.js + npm\u002Fpnpm + Jest\u002FVitest + esbuild\u002Fwebpack，Bun 的选择是把它们都收进一个工具。底层用 JavaScriptCore 而不是 V8，仓库主体是 Rust，这决定了它的取舍。真正有区分度的只有三点：内置 TypeScript\u002FJSX 执行，不需要单独转译步骤；包管理器重新实现了 npm 客户端的行为；打包器以 `Bun.build` 的形式提供，README 里还有与 esbuild 的对比文档。代价也很直接：引擎和「Node 兼容到什么程度」都由同一个团队决定，而不是像传统方案那样每个环节都能单独替换。\n\n## 适合谁\n适合新起 TS\u002FJS 服务、脚本或小型全栈应用、想减少依赖数量并加快安装的开发者。大量使用 Node 原生扩展、模块解析方式特殊、或者团队坚持「一个工具只干一件事」的项目，继续用 Node 加成熟工具更稳妥。如果看重长期稳定性，应等稳定版本线并先读兼容性文档。\n\n## 上手成本\nBun 为 Linux、macOS、Windows 的 x64 和 arm64 提供原生二进制。Linux 建议内核 5.6 以上（最低 5.1），较老的 x64 CPU 可能报 illegal instruction，需要先看 CPU requirements。安装支持 curl\u002Fpowershell 脚本、npm、Homebrew 和 Docker，升级用 `bun upgrade`。许可证是 NOASSERTION 而非明确的 OSI 标识；README 基本是文档索引，没有兼容性矩阵；每个 commit 都发布 canary 构建，节奏很快。\n\n## 点评\nBun 已经是成熟项目，不是短期爆红。项目 2021 年创建，近 96.4k stars 和 5000 多 fork 说明采用是持续的，而非发布当天的热度。它没上过 GitHub 每日 trending，但本周 Rust 周榜 #4、新增 +207 stars，HN 上 723 分的移植指南讨论也说明迁移意愿仍在。对新 JS 项目，可以把它当作严肃选项逐项目评估；但别假设现有 Node 应用能原样跑通，先测再说。",{"slug":49,"name":50},"developer-tools","开发工具",[52,53,54,55,56,57,58,59,60,61,62,63],"bun","bundler","javascript","javascriptcore","jsx","nodejs","npm","react","rust","rust-lang","transpiler","typescript","NOASSERTION","https:\u002F\u002Fbun.com","2026-10-25T00:36:11Z",[],1792901935]