morph-cli 0.1.0

AST-based codebase migration and codemod tool for JavaScript and TypeScript projects.
Documentation 
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use std::collections::HashMap;
use std::path::Path;

use serde::{Deserialize, Serialize};
use serde_json::Value;

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
pub struct PackageJson {
    #[serde(default)]
    pub name: String,
    #[serde(default)]
    pub version: String,
    #[serde(default)]
    pub dependencies: HashMap<String, String>,
    #[serde(rename = "devDependencies", default)]
    pub dev_dependencies: HashMap<String, String>,
    #[serde(default)]
    pub scripts: HashMap<String, String>,
    #[serde(default)]
    pub typ: Option<String>,
    #[serde(default)]
    pub workspaces: Option<Value>,
}

impl PackageJson {
    pub fn load(path: &Path) -> Option<Self> {
        let content = std::fs::read_to_string(path).ok()?;
        serde_json::from_str::<PackageJson>(&content).ok()
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_parse_basic() {
        let json = r#"{"name":"test","version":"1.0.0"}"#;
        let pkg: PackageJson = serde_json::from_str(json).unwrap();
        assert_eq!(pkg.name, "test");
        assert_eq!(pkg.version, "1.0.0");
    }

    #[test]
    fn test_parse_deps() {
        let json = r#"{"name":"test","dependencies":{"express":"^4.0"}}"#;
        let pkg: PackageJson = serde_json::from_str(json).unwrap();
        assert_eq!(pkg.dependencies.get("express").unwrap(), "^4.0");
    }
}