Function has_package_manager

crates/cli/src/detect.rs:64–73

Check if a given `PackageManager` executable is available on `PATH`. On Windows, npm/pnpm/yarn are `.cmd` shims while bun is a `.exe`, so we check the platform-appropriate extension.

(pm: crate::spacetime_config::PackageManager)

/// On Windows, npm/pnpm/yarn are `.cmd` shims while bun is a `.exe`,
/// so we check the platform-appropriate extension.
pub(crate) fn has_package_manager(pm: crate::spacetime_config::PackageManager) -> bool {
    let name = pm.to_string();
    if cfg!(windows) {
        // bun ships as bun.exe; npm, pnpm, yarn are .cmd shims
        let ext = if name == "bun" { "exe" } else { "cmd" };
        find_executable(format!("{name}.{ext}")).is_some()
    } else {
        find_executable(&name).is_some()
    }
}

#[cfg(test)]
mod tests {