Function pushStyle

packages/react-dom-bindings/src/server/ReactFizzConfigDOM.js:3058–3189

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

}

function pushStyle(
  target: Array<Chunk | PrecomputedChunk>,
  props: Object,
  resumableState: ResumableState,
  renderState: RenderState,
  hoistableState: null | HoistableState,
  textEmbedded: boolean,
  formatContext: FormatContext,
): ReactNodeList {
  const noscriptTagInScope = formatContext.tagScope & NOSCRIPT_SCOPE;
  if (__DEV__) {
    if (hasOwnProperty.call(props, 'children')) {
      const children = props.children;

      const child = Array.isArray(children)
        ? children.length < 2
          ? children[0]
          : null
        : children;

      if (
        typeof child === 'function' ||
        typeof child === 'symbol' ||
        Array.isArray(child)
      ) {
        const childType =
          typeof child === 'function'
            ? 'a Function'
            : typeof child === 'symbol'
              ? 'a Sybmol'
              : 'an Array';
        console.error(
          'React expect children of <style> tags to be a string, number, or object with a `toString` method but found %s instead. ' +
            'In browsers style Elements can only have `Text` Nodes as children.',
          childType,
        );
      }
    }
  }
  const precedence = props.precedence;
  const href = props.href;
  const nonce = props.nonce;

  if (
    formatContext.insertionMode === SVG_MODE ||
    noscriptTagInScope ||
    props.itemProp != null ||
    typeof precedence !== 'string' ||
    typeof href !== 'string' ||
    href === ''
  ) {
    // This style tag is not able to be turned into a Style Resource
    return pushStyleImpl(target, props);
  }

  if (__DEV__) {
    if (href.includes(' ')) {
      console.error(