DataSources getElement.js

100% Statements 6/6

100% Branches 4/4

100% Functions 1/1

100% Lines 6/6

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  import DeveloperError from "../Core/DeveloperError.js";
 
/**
 * If element is a string, look up the element in the DOM by ID.  Otherwise return element.
 *
 * @private
 *
 * @exception {DeveloperError} Element with id "id" does not exist in the document.
 */
function getElement(element) {
  if (typeof element === "string") {
    const foundElement = document.getElementById(element);
 
    //>>includeStart('debug', pragmas.debug);
    if (foundElement === null) {
      throw new DeveloperError(
        `Element with id "${element}" does not exist in the document.`,
      );
    }
    //>>includeEnd('debug');
 
    element = foundElement;
  }
  return element;
}
export default getElement;