lux-lib 0.12.0

Library for the lux package manager for Lua
Documentation 
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use std::collections::HashMap;

use crate::{lockfile::LocalPackage, package::PackageName};

use super::{Tree, TreeError};

// TODO: Due to the whininess of the borrow checker, we resort to cloning package information
// whenever returning it. In the future, it'd be greatly benefitial to instead return mutable
// references to the packages, which would allow for in-place manipulation of the lockfile.
// Cloning isn't destructive, but it's sure expensive.

impl Tree {
    pub fn list(&self) -> Result<HashMap<PackageName, Vec<LocalPackage>>, TreeError> {
        Ok(self.lockfile()?.list())
    }

    pub fn as_rock_list(&self) -> Result<Vec<LocalPackage>, TreeError> {
        let rock_list = self.list()?;

        Ok(rock_list.values().flatten().cloned().collect())
    }
}