minigraf/src/main.rs at v1.0.0 · project-minigraf/minigraf

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#[cfg(any(not(target_arch = "wasm32"), target_os = "wasi"))]

use minigraf::Minigraf;

#[cfg(not(target_arch = "wasm32"))]

use minigraf::OpenOptions;

fn main() -> anyhow::Result<()> {

#[cfg(target_os = "wasi")]

{

let db = Minigraf::in_memory()?;

db.repl().run();

Ok(())

}

#[cfg(all(target_arch = "wasm32", not(target_os = "wasi")))]

{

// Browser WASM — entry point is the BrowserDb JS/WASM API, not a REPL binary.

Ok(())

}

#[cfg(not(target_arch = "wasm32"))]

{

let args: Vec<String> = std::env::args().collect();

let file_flag_pos = args.iter().position(|a| a == "--file");

let db_path = file_flag_pos.and_then(|i| args.get(i + 1)).cloned();

if file_flag_pos.is_some() && db_path.is_none() {

eprintln!("error: --file requires a path argument");

std::process::exit(1);

}

let db = if let Some(path) = db_path {

OpenOptions::new().path(path).open()?

} else {

Minigraf::in_memory()?

};

db.repl().run();

Ok(())

}