/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * A SecurityContext marks a location that has dangerous security implications, e.g. a DOM property
 * like `innerHTML` that could cause Cross Site Scripting (XSS) security bugs when improperly
 * handled.
 *
 * See DomSanitizer for more details on security in Angular applications.
 *
 * @stable
 */
export enum SecurityContext {
  NONE,
  HTML,
  STYLE,
  SCRIPT,
  URL,
  RESOURCE_URL,
}

/**
 * Sanitizer is used by the views to sanitize potentially dangerous values.
 *
 * @stable
 */
export abstract class Sanitizer {
  abstract sanitize(context: SecurityContext, value: {}|string|null): string|null;
}