Function script::script_module::fetch_single_module_script

fn fetch_single_module_script(
    owner: ModuleOwner,
    url: ServoUrl,
    visited_urls: HashSet<ServoUrl>,
    destination: Destination,
    options: ScriptFetchOptions,
    parent_identity: Option<ModuleIdentity>,
    top_level_module_fetch: bool,
    dynamic_module: Option<RootedTraceableBox<DynamicModule>>
)

https://html.spec.whatwg.org/multipage/#fetch-a-single-module-script