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@1-/upsert_gitignore : Safely and idempotently update .gitignore rules

• @1-/upsert_gitignore : Safely and idempotently update .gitignore rules
  • Design思路
  • Technology stack
  • Code structure
  • Historical context
  • About

⚠️ Note: This document is static Markdown. All JavaScript examples are for illustration only and are NOT executed in this project.

Design思路

• Start └─ Check: does file exist? ├─ No → Create parent directories → Write initial rules → End └─ Yes → Read file content → Split into lines → Trim & filter → Check rules exist? ├─ Yes → End └─ No → Append new rules → Join with newlines → Write updated content → End

Technology stack

• Runtime: Bun / Node.js
• Core dependencies: @3-/txt_li, @3-/write, @3-/read
• License: MulanPSL-2.0

Code structure

src/
└── _.js      # Core implementation
tests/
└── _.test.js # Unit tests

Historical context

Git introduced .gitignore in 2005 as part of its initial release. Early workflows used manual editing or fragile shell scripts like echo "node_modules" >> .gitignore.

The rise of CI/CD pipelines and project scaffolding tools created demand for deterministic configuration management. This library implements the idempotent pattern to ensure consistent state regardless of execution frequency.

Idempotence is essential for infrastructure-as-code systems where configuration must converge to desired state without side effects from repeated application.

About

This library is developed by WebC.site.

WebC.site: A new paradigm of web development for AI

@1-/upsert_gitignore : 安全幂等更新 .gitignore 规则

• @1-/upsert_gitignore : 安全幂等更新 .gitignore 规则
  • 设计思路
  • 技术栈
  • 代码结构
  • 历史故事
  • 关于

⚠️ 注意：本文档为静态 Markdown，所有 JavaScript 示例仅作说明，不在此项目中执行。

设计思路

• 开始 └─ 检查：文件是否存在？ ├─ 否 → 创建父级目录 → 写入初始规则 → 结束 └─ 是 → 读取文件内容 → 按行切分 → 去除空格并过滤空行 → 检查规则是否已存在？ ├─ 是 → 结束 └─ 否 → 追加新规则 → 换行符拼接 → 写入更新后内容 → 结束

技术栈

• 运行环境：Bun / Node.js
• 核心依赖：@3-/txt_li、@3-/write、@3-/read
• 许可证：MulanPSL-2.0

代码结构

src/
└── _.js      # 核心实现
tests/
└── _.test.js # 单元测试

历史故事

Git 于 2005 年随初始版本发布引入 .gitignore。早期工作流依赖手动编辑或脆弱的 Shell 脚本，如 echo "node_modules" >> .gitignore。

CI/CD 流水线和项目脚手架工具的普及催生了确定性配置管理需求。本库实现幂等模式，确保执行频率不影响最终状态。

幂等性是基础设施即代码系统的关键特性，配置必须收敛至期望状态且无重复应用副作用。

关于

本库由 WebC.site 开发。

WebC.site : 面向人工智能的网站开发新范式