Function pushStartButton

packages/react-dom-bindings/src/server/ReactFizzConfigDOM.js:2572–2665

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

}

function pushStartButton(
  target: Array<Chunk | PrecomputedChunk>,
  props: Object,
  resumableState: ResumableState,
  renderState: RenderState,
  formatContext: FormatContext,
): ReactNodeList {
  target.push(startChunkForTag('button'));

  let children = null;
  let innerHTML = null;
  let name = null;
  let formAction = null;
  let formEncType = null;
  let formMethod = null;
  let formTarget = null;

  for (const propKey in props) {
    if (hasOwnProperty.call(props, propKey)) {
      const propValue = props[propKey];
      if (propValue == null) {
        continue;
      }
      switch (propKey) {
        case 'children':
          children = propValue;
          break;
        case 'dangerouslySetInnerHTML':
          innerHTML = propValue;
          break;
        case 'name':
          name = propValue;
          break;
        case 'formAction':
          formAction = propValue;
          break;
        case 'formEncType':
          formEncType = propValue;
          break;
        case 'formMethod':
          formMethod = propValue;
          break;
        case 'formTarget':
          formTarget = propValue;
          break;
        default:
          pushAttribute(target, propKey, propValue);
          break;
      }
    }
  }

  if (__DEV__) {
    if (
      formAction !== null &&
      props.type != null &&
      props.type !== 'submit' &&
      !didWarnFormActionType