Function parse_composer_json

src/composer.rs:63–73

Parse a `composer.json` file at the given workspace root and extract all PSR-4 autoload mappings from both `autoload` and `autoload-dev` sections. Only the project's own mappings are returned. Vendor package mappings (from `vendor/composer/autoload_psr4.php`) are deliberately not loaded — the Composer classmap is the sole source of truth for vendor code. If the classmap is missing or stale, ven

(workspace_root: &Path)

/// Returns an empty `Vec` and `"vendor"` if the file doesn't exist, can't
/// be read, or contains no PSR-4 mappings.
pub fn parse_composer_json(workspace_root: &Path) -> (Vec<Psr4Mapping>, String) {
    let package = match read_composer_package(workspace_root) {
        Some(p) => p,
        None => return (Vec::new(), "vendor".to_string()),
    };

    let vendor_dir = get_vendor_dir(&package);
    let mappings = extract_psr4_mappings_from_package(&package);

    (mappings, vendor_dir)
}

/// Read and parse the `composer.json` at the given workspace root into a
/// typed [`ComposerPackage`].