Function pushScript

packages/react-dom-bindings/src/server/ReactFizzConfigDOM.js:3761–3839

(
  target: Array<Chunk | PrecomputedChunk>,
  props: Object,
  resumableState: ResumableState,
  renderState: RenderState,
  textEmbedded: boolean,
  formatContext: FormatContext,
)

}

function pushScript(
  target: Array<Chunk | PrecomputedChunk>,
  props: Object,
  resumableState: ResumableState,
  renderState: RenderState,
  textEmbedded: boolean,
  formatContext: FormatContext,
): null {
  const noscriptTagInScope = formatContext.tagScope & NOSCRIPT_SCOPE;
  const asyncProp = props.async;
  if (
    typeof props.src !== 'string' ||
    !props.src ||
    !(
      asyncProp &&
      typeof asyncProp !== 'function' &&
      typeof asyncProp !== 'symbol'
    ) ||
    props.onLoad ||
    props.onError ||
    formatContext.insertionMode === SVG_MODE ||
    noscriptTagInScope ||
    props.itemProp != null
  ) {
    // This script will not be a resource, we bailout early and emit it in place.
    return pushScriptImpl(target, props);
  }

  const src = props.src;
  const key = getResourceKey(src);
  // We can make this <script> into a ScriptResource

  let resources, preloads;
  if (props.type === 'module') {
    resources = resumableState.moduleScriptResources;
    preloads = renderState.preloads.moduleScripts;
  } else {
    resources = resumableState.scriptResources;
    preloads = renderState.preloads.scripts;
  }

  const hasKey = resources.hasOwnProperty(key);
  const resourceState = hasKey ? resources[key] : undefined;
  if (resourceState !== EXISTS) {
    // We are going to create this resource now so it is marked as Exists
    resources[key] = EXISTS;

    let scriptProps = props;
    if (resourceState) {
      // When resourceState is truty it is a Preload state. We cast it for clarity
      const preloadState: Preloaded | PreloadedWithCredentials = resourceState;
      if (preloadState.length === 2) {
        scriptProps = {...props};
        adoptPreloadCredentials(scriptProps, preloadState);
      }

      const preloadResource = preloads.get(key);
      if (preloadResource) {