feat(export): implement basic command functionality

crates/aiken/src/cmd/export.rs

@@ -1,14 +1,36 @@
+use std::path::PathBuf;
+
+use aiken_project::{options::Options, watch::with_project};
+
 #[derive(clap::Args)]
 pub struct Args {
-    /// Name of the validator's module within the project. Optional if there's only one validator
+    /// Path to project
+    directory: Option<PathBuf>,
+
+    /// Name of the function's module within the project
     #[clap(short, long)]
     module: String,
 
-    /// Name of the validator within the module. Optional if there's only one validator
+    /// Name of the function within the module
     #[clap(short, long)]
     name: String,
 }
 
-pub fn exec(args: Args) -> miette::Result<()> {
-    Ok(())
+pub fn exec(
+    Args {
+        directory,
+        module,
+        name,
+    }: Args,
+) -> miette::Result<()> {
+    with_project(directory.as_deref(), false, |p| {
+        p.compile(Options::default())?;
+
+        let raw_uplc = p.export(&module, &name)?;
+
+        println!("{}", raw_uplc);
+
+        Ok(())
+    })
+    .map_err(|_| std::process::exit(1))
 }