feat: Initial commit

src/utils/file.rs

@@ -0,0 +1,53 @@
+use crate::error::Result;
+use serde_json::Value;
+use std::{fs, path::PathBuf};
+
+pub fn copy_folder(src: &PathBuf, dest: &PathBuf) -> Result<()> {
+    if !src.exists() || !src.is_dir() {
+        return Err(crate::error::CliError::NotFound(format!(
+            "源目录不存在: {}",
+            src.display()
+        )));
+    }
+    if !dest.exists() {
+        fs::create_dir_all(dest)?;
+    }
+    for entry in fs::read_dir(src)? {
+        let entry = entry?;
+        let src_path = entry.path();
+        let dest_path = dest.join(src_path.file_name().unwrap());
+        if src_path.is_file() {
+            fs::copy(&src_path, &dest_path)?;
+        } else if src_path.is_dir() {
+            copy_folder(&src_path, &dest_path)?;
+        }
+    }
+    Ok(())
+}
+
+pub fn read_file_to_json(path: &PathBuf) -> Result<Value> {
+    let file = fs::read_to_string(path)?;
+    let json: Value = serde_json::from_str(&file)?;
+    Ok(json)
+}
+
+pub fn write_json_to_file(path: &PathBuf, value: &Value) -> Result<()> {
+    let content = serde_json::to_string_pretty(value)?;
+    fs::write(path, content)?;
+    Ok(())
+}
+
+pub fn update_json_file<F>(path: &PathBuf, updater: F) -> Result<()>
+where
+    F: FnOnce(&mut Value) -> Result<()>,
+{
+    let mut json = read_file_to_json(path)?;
+    updater(&mut json)?;
+    write_json_to_file(path, &json)?;
+    Ok(())
+}
+
+pub fn find_project_dir(path: &Option<String>) -> Result<PathBuf> {
+    let path = path.as_deref().unwrap_or(".");
+    Ok(PathBuf::from(path))
+}