Function preinitStyle

docs/index.js:17215–17263

(href, precedence, options)

  }
}
function preinitStyle(href, precedence, options) {
  previousDispatcher.S(href, precedence, options);
  var ownerDocument = globalDocument;
  if (ownerDocument && href) {
    var styles = getResourcesFromRoot(ownerDocument).hoistableStyles,
      key = getStyleKey(href);
    precedence = precedence || "default";
    var resource = styles.get(key);
    if (!resource) {
      var state = { loading: 0, preload: null };
      if (
        (resource = ownerDocument.querySelector(
          getStylesheetSelectorFromKey(key)
        ))
      )
        state.loading = 5;
      else {
        href = assign(
          { rel: "stylesheet", href: href, "data-precedence": precedence },
          options
        );
        (options = preloadPropsMap.get(key)) &&
          adoptPreloadPropsForStylesheet(href, options);
        var link = (resource = ownerDocument.createElement("link"));
        markNodeAsHoistable(link);
        setInitialProperties(link, "link", href);
        link._p = new Promise(function (resolve, reject) {
          link.onload = resolve;
          link.onerror = reject;
        });
        link.addEventListener("load", function () {
          state.loading |= 1;
        });
        link.addEventListener("error", function () {
          state.loading |= 2;
        });
        state.loading |= 4;
        insertStylesheet(resource, precedence, ownerDocument);
      }
      resource = {
        type: "stylesheet",
        instance: resource,
        count: 1,
        state: state
      };
      styles.set(key, resource);
    }
  }
}
function preinitScript(src, options) {
  previousDispatcher.X(src, options);
  var ownerDocument = globalDocument;