export interface DOMOptions { enableJavaScript?: boolean; domTransformation?: (dom: HTMLDocument) => void; } /** * A single class to encapsulate all DOM operations that need to be performed to * capture the customer's application state. * */ declare class DOM { originalDOM: HTMLDocument; clonedDOM: HTMLDocument; options: DOMOptions; readonly defaultDoctype = ""; constructor(dom: HTMLDocument, options?: DOMOptions); /** * Returns the final DOM string with all of the necessary transforms * applied. This is the string that is passed to the API and then rendered by * our API. * */ snapshotString(): string; private getDoctype; private doctypeToString; /** * Takes the raw DOM from the snapshot, performs necessary mutations, * and finally returns a deep clone of the original DOM. * */ private cloneDOM; /** * Serialize parts of the DOM that aren't preserved in a deep clone. Anything * that is not encoded in the DOM tree needs to be accounted for here (CSSOM, * input values, canvas, etc). * * This method should always capture these values from the original DOM and * serialize (mutate) into the cloned DOM. Never mutate the original DOM. * */ private stabilizeDOM; /** * Capture in-memory form element values and serialize those values to their * respective elements in the cloned DOM. * * Form element values for non-controlled elements won't be captured with a * domClone. To fix this, we explicitly set the `value` attribute on those * form controls to make sure they persist in snapshots. * */ private serializeInputElements; /** * Capture in-memory styles & serialize those styles into the cloned DOM. * * Without this, applications that use packages like `styled-components` will be * missing styles and appear broken. The CSSOM provides a way to create CSS * that only lives in memory (not an asset or in the DOM). * */ private serializeCSSOM; /** * A single place to mutate the original DOM. This should be the last resort! * This will change the customer's DOM and have a possible impact on the * customer's application. * */ private mutateOriginalDOM; } export default DOM;