defineCustomElement static method

void defineCustomElement(
  1. String tagName,
  2. ElementCreator creator
)

Implementation

static void defineCustomElement(String tagName, ElementCreator creator) {
  if (!_isValidCustomElementName(tagName)) {
    throw ArgumentError('The element name "$tagName" is not valid.');
  }
  defineWidgetElement(tagName.toUpperCase(), creator);
}