polywrap_core 0.1.11

Core types of Polywrap client
Documentation 
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use super::uri_resolution_context::{UriPackageOrWrapper, UriResolutionStep};

/// Retrieve the final path used in URI resolution.
pub fn get_uri_resolution_path(history: &[UriResolutionStep]) -> Vec<UriResolutionStep> {
    history
        .iter()
        .filter(|uri_resolution_step| {
            if let Ok(uri_package_or_wrapper) = &uri_resolution_step.result {
                match uri_package_or_wrapper {
                    UriPackageOrWrapper::Uri(uri) => {
                        uri.to_string() != uri_resolution_step.source_uri.to_string()
                    }
                    UriPackageOrWrapper::Package(_, _) => true,
                    UriPackageOrWrapper::Wrapper(_, _) => true,
                }
            } else {
                true
            }
        })
        .cloned()
        .map(|mut uri_resolution_step| {
            if let Some(subhistory) = &uri_resolution_step.sub_history {
                if !subhistory.is_empty() {
                    uri_resolution_step.sub_history = Some(get_uri_resolution_path(subhistory));
                    uri_resolution_step
                } else {
                    uri_resolution_step
                }
            } else {
                uri_resolution_step
            }
        })
        .collect()
}