Function preloadModule

docs/index.js:17171–17214

(href, options)

  }
}
function preloadModule(href, options) {
  previousDispatcher.m(href, options);
  var ownerDocument = globalDocument;
  if (ownerDocument && href) {
    var as = options && "string" === typeof options.as ? options.as : "script",
      preloadSelector =
        'link[rel="modulepreload"][as="' +
        escapeSelectorAttributeValueInsideDoubleQuotes(as) +
        '"][href="' +
        escapeSelectorAttributeValueInsideDoubleQuotes(href) +
        '"]',
      key = preloadSelector;
    switch (as) {
      case "audioworklet":
      case "paintworklet":
      case "serviceworker":
      case "sharedworker":
      case "worker":
      case "script":
        key = getScriptKey(href);
    }
    if (
      !preloadPropsMap.has(key) &&
      ((href = assign({ rel: "modulepreload", href: href }, options)),
      preloadPropsMap.set(key, href),
      null === ownerDocument.querySelector(preloadSelector))
    ) {
      switch (as) {
        case "audioworklet":
        case "paintworklet":
        case "serviceworker":
        case "sharedworker":
        case "worker":
        case "script":
          if (ownerDocument.querySelector(getScriptSelectorFromKey(key)))
            return;
      }
      as = ownerDocument.createElement("link");
      setInitialProperties(as, "link", href);
      markNodeAsHoistable(as);
      ownerDocument.head.appendChild(as);
    }
  }
}
function preinitStyle(href, precedence, options) {
  previousDispatcher.S(href, precedence, options);
  var ownerDocument = globalDocument;