Function assertElement

packages/core/src/util/assert.ts:124–128

(node: any)

}

export function assertElement(node: any): asserts node is Element {
  if (!(node instanceof Element)) {
    throwError(`The provided value must be an element but got ${stringify(node)}`);
  }
}

export function assertIndexInRange(arr: any[], index: number) {
  assertDefined(arr, 'Array must be defined.');