oxc_resolver 11.19.1

ESM / CJS module resolution
Documentation 
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use std::{env, ffi::OsString, sync::OnceLock};

static NODE_PATH: OnceLock<Vec<String>> = OnceLock::new();

/// `NODE_PATH` support aligned with Node.js module loading docs:
/// <https://nodejs.org/api/modules.html#loading-from-the-global-folders>
pub struct NodePath;

impl NodePath {
    pub fn build() -> &'static [String] {
        NODE_PATH
            .get_or_init(|| {
                #[cfg(target_family = "wasm")]
                {
                    Vec::new()
                }
                #[cfg(not(target_family = "wasm"))]
                {
                    Self::parse(env::var_os("NODE_PATH"))
                }
            })
            .as_slice()
    }

    fn parse(node_path: Option<OsString>) -> Vec<String> {
        let Some(node_path) = node_path else {
            return Vec::new();
        };

        env::split_paths(&node_path)
            .filter(|path| path.is_absolute())
            .map(|path| path.to_string_lossy().into_owned())
            .collect::<Vec<_>>()
    }
}