告别浏览器！用Rust打造一键JSON处理神器

1. Postman返回一坨压缩的JSON
2. Ctrl+C 复制
3. 打开浏览器
4. 搜索"JSON formatter"
5. 粘贴JSON
6. 点击"Format"
7. 再复制回来

同样的流程，只不过点的是"Minify"按钮
还要担心网站是否保存了你的数据

# 复制API返回的JSON后
jsonf format

# 完成！格式化结果已在剪贴板

cargo new json_formatter
cd json_formatter
ls -la

[package]
name = "json_formatter"
version = "0.1.0"
edition = "2021"

[[bin]]
name = "jsonf"
path = "src/main.rs"

[dependencies]
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
colored = "2.1"
arboard = "3.3"
clap = { version = "4.4", features = ["derive"] }

#[derive(Parser)]
#[command(name = "jsonf")]
#[command(about = "JSON格式化工具 - 美化、压缩、验证JSON")]
struct Cli {
    #[command(subcommand)]
    command: Commands,
}

#[derive(Subcommand)]
enum Commands {
    Format {
        file: Option<String>,
        #[arg(long)]
        no_copy: bool,
    },
    Minify {
        file: Option<String>,
        #[arg(long)]
        no_copy: bool,
    },
    Validate {
        file: Option<String>,
    },
    Analyze {
        file: Option<String>,
    },
}

cargo build

warning: unused import: `json`
warning: unused variable: `indent`

# Python - 静悄悄通过
import json  # 导入了但没用
def process(data, indent):  # indent没用
    pass

cargo run -- --help
cargo run -- format --help

cargo run -- format test.json

// 原来是一坨
{"name":"张三","age":25,"skills":["Rust","Python","JavaScript"],...}

// 格式化后
{
  "active": true,
  "address": {
    "city": "北京",
    "district": "朝阳区"
  },
  "age": 25,
  ...
}

println!("{}", key.cyan().bold());     // 键名青色加粗
println!("{}", string.green());         // 字符串绿色
println!("{}", number.yellow());        // 数字黄色
println!("{}", boolean.magenta());      // 布尔紫色

cargo run -- minify messy.json

{"items":[{"id":1,"price":99.99},{"id":2,"price":199.99}],"name":"测试用户","total":299.98}

cargo run -- validate error.json

{
  "name": "测试",
  "age": 25,
  "invalid":    // ← 缺少值
}

# 1. 在任何地方复制一段JSON（Cmd+C）
# 2. 运行命令
cargo run -- format
# 3. 完成！结果已在剪贴板

use std::io::IsTerminal;

fn read_input(file: &Option<String>) -> Result<String, String> {
    match file {
        Some(path) => {
            // 从文件读取
            fs::read_to_string(path)?
        }
        None => {
            // 检测stdin是否是终端
            if !io::stdin().is_terminal() {
                // 从管道读取
                let mut buffer = String::new();
                io::stdin().read_to_string(&mut buffer)?;
                Ok(buffer)
            } else {
                // 从剪贴板读取
                let mut clipboard = Clipboard::new()?;
                clipboard.get_text()?
            }
        }
    }
}

jsonf format file.json      # 方式1：文件
cat file.json | jsonf format # 方式2：管道
jsonf format                  # 方式3：剪贴板 ⭐

cargo build --release

sudo cp target/release/jsonf /usr/local/bin/

which jsonf
# 输出：/usr/local/bin/jsonf

# 复制一段JSON后
jsonf format

# 输出彩色格式化结果
# 自动复制到剪贴板

jsonf minify
# 输出：{"items":[{"id":1,"price":99.99}...]...}

旧方式：复制 → 打开浏览器 → 找网站 → 粘贴 → 格式化 → 复制回来
新方式：复制 → jsonf format → 完成

alias jf="jsonf format"
alias jm="jsonf minify"
alias jv="jsonf validate"

jf   # 格式化剪贴板中的JSON
jm   # 压缩
jv   # 验证

# 格式化curl结果
curl https://api.github.com/users/rust-lang | jf

# 查看Docker inspect结果
docker inspect container_id | jf

# 格式化git配置
cat .git/config | jf