first commit

Author: zkochan

.gitignore

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+target

Cargo.lock

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+[package]
+name = "pn"
+version = "0.0.0"
+authors = ["Zoltan Kochan <[email protected]>"]
+edition = "2018"
+
+[dependencies]
+serde_json="1.0"
+serde = { version = "1.0", features = ["derive"] }
+

Cargo.toml

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+# pn

README.md

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+use std::{path::{Path}};
+use std::fs::File;
+use std::process::Command;
+
+fn main() -> Result<(), std::io::Error> {
+    let manifest = read_manifest(Path::new("package.json"))?;
+    let script_name: Vec<String> = std::env::args().collect();
+    let script = manifest["scripts"][&script_name[2]].as_str().unwrap();
+    println!("> {:?}", script);
+    let mut path_env: String = "node_modules/.bin".to_owned();
+    path_env.push_str(":");
+    path_env.push_str(env!("PATH"));
+    let mut child  = Command::new("sh")
+        .env("PATH", path_env)
+        .arg("-c")
+        .arg(script)
+        .stdout(std::process::Stdio::inherit())
+        .spawn()?;
+    child.wait()?;
+    Ok(())
+}
+
+fn read_manifest<P: AsRef<Path>>(path: P) -> Result<serde_json::Value, std::io::Error> {
+    let file = File::open(path)?;
+    let manifest: serde_json::Value = serde_json::de::from_reader(file)?;
+    Ok(manifest)
+}