Function pushAttribute

packages/react-dom-bindings/src/server/ReactFizzConfigDOM.js:1533–1848

(
  target: Array<Chunk | PrecomputedChunk>,
  name: string,
  value: string | boolean | number | Function | Object, // not null or undefined
)

}

function pushAttribute(
  target: Array<Chunk | PrecomputedChunk>,
  name: string,
  value: string | boolean | number | Function | Object, // not null or undefined
): void {
  switch (name) {
    // These are very common props and therefore are in the beginning of the switch.
    // TODO: aria-label is a very common prop but allows booleans so is not like the others
    // but should ideally go in this list too.
    case 'className': {
      pushStringAttribute(target, 'class', value);
      break;
    }
    case 'tabIndex': {
      pushStringAttribute(target, 'tabindex', value);
      break;
    }
    case 'dir':
    case 'role':
    case 'viewBox':
    case 'width':
    case 'height': {
      pushStringAttribute(target, name, value);
      break;
    }
    case 'style': {
      pushStyleAttribute(target, value);
      return;
    }
    case 'src': {
      if (enableSrcObject && typeof value === 'object' && value !== null) {
        if (typeof Blob === 'function' && value instanceof Blob) {
          pushSrcObjectAttribute(target, value);
          return;
        }
      }
      // Fallthrough to general urls
    }
    case 'href': {
      if (value === '') {
        if (__DEV__) {
          if (name === 'src') {
            console.error(
              'An empty string ("") was passed to the %s attribute. ' +
                'This may cause the browser to download the whole page again over the network. ' +
                'To fix this, either do not render the element at all ' +
                'or pass null to %s instead of an empty string.',
              name,
              name,
            );
          } else {
            console.error(
              'An empty string ("") was passed to the %s attribute. ' +
                'To fix this, either do not render the element at all ' +
                'or pass null to %s instead of an empty string.',
              name,
              name,
            );