declarations/google-apps-script/google-apps-script.html.d.ts

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// Type definitions for Google Apps Script 2015-11-12
// Project: https://developers.google.com/apps-script/
// Definitions by: motemen <https://github.com/motemen/>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

/// <reference path="google-apps-script.types.d.ts" />
/// <reference path="google-apps-script.base.d.ts" />

declare namespace GoogleAppsScript {
  export module HTML {
    /**
     * An HtmlOutput object that can be served from a script. Due to security considerations,
     *  scripts cannot directly return HTML to a browser. Instead, they must sanitize it so that it
     *  cannot perform malicious actions. You can return sanitized HTML like this:
     *
     *      function doGet() {
     *        return HtmlService.createHtmlOutput('<b>Hello, world!</b>');
     *      }
     *
     * HtmlOutput
     * Google Caja
     * guide to restrictions in HTML service
     */
    export interface HtmlOutput {
      append(addedContent: string): HtmlOutput;
      appendUntrusted(addedContent: string): HtmlOutput;
      asTemplate(): HtmlTemplate;
      clear(): HtmlOutput;
      getAs(contentType: string): Base.Blob;
      getBlob(): Base.Blob;
      getContent(): string;
      getHeight(): Integer;
      getTitle(): string;
      getWidth(): Integer;
      setContent(content: string): HtmlOutput;
      setHeight(height: Integer): HtmlOutput;
      setSandboxMode(mode: SandboxMode): HtmlOutput;
      setTitle(title: string): HtmlOutput;
      setWidth(width: Integer): HtmlOutput;
    }

    /**
     * Service for returning HTML and other text content from a script.
     *
     * Due to security considerations, scripts cannot directly return content to a browser. Instead,
     *  they must sanitize the HTML so that it cannot perform malicious actions. See the description of
     *  HtmlOutput for what limitations this implies on what can be returned.
     */
    export interface HtmlService {
      SandboxMode: SandboxMode
      createHtmlOutput(): HtmlOutput;
      createHtmlOutput(blob: Base.BlobSource): HtmlOutput;
      createHtmlOutput(html: string): HtmlOutput;
      createHtmlOutputFromFile(filename: string): HtmlOutput;
      createTemplate(blob: Base.BlobSource): HtmlTemplate;
      createTemplate(html: string): HtmlTemplate;
      createTemplateFromFile(filename: string): HtmlTemplate;
      getUserAgent(): string;
    }

    /**
     * A template object for dynamically constructing HTML. For more information, see the
     *  guide to templates.
     */
    export interface HtmlTemplate {
      evaluate(): HtmlOutput;
      getCode(): string;
      getCodeWithComments(): string;
      getRawContent(): string;
    }

    /**
     * An enum representing the sandbox modes that can be used for client-side HtmlService
     *  scripts. These values can be accessed from HtmlService.SandboxMode, and set by calling
     *  HtmlOutput.setSandboxMode(mode).
     *
     * To protect users from being served malicious HTML or JavaScript, client-side code served from
     *  HTML service executes in a security sandbox that imposes restrictions on the code. The method
     *  HtmlOutput.setSandboxMode(mode) allows script authors to choose between
     *  different versions of the sandbox. For more information, see the
     *  guide to restrictions in HTML service.
     * If a script does not set a sandbox mode, Apps Script uses NATIVE mode as the default.
     *  Prior to February 2014, the default was EMULATED. The default is subject to change.
     * The IFRAME mode imposes many fewer restrictions than the other sandbox modes and runs
     *  fastest, but does not work at all in certain older browsers, including Internet Explorer 9. By
     *  contrast, EMULATED mode is more likely to work in
     *  older browsers that do not support ECMAScript 5 strict
     *  mode, most notably Internet Explorer 9. NATIVE mode is the middle ground. If
     *  NATIVE mode is set but not supported in the user's browser, the sandbox mode falls back
     *  to EMULATED mode for that user.
     *
     *      // Serve HTML with a defined sandbox mode (in Apps Script server-side code).
     *      var output = HtmlService.createHtmlOutput('<b>Hello, world!</b>');
     *      output.setSandboxMode(HtmlService.SandboxMode.IFRAME);
     *
     * google.script.sandbox.mode
     *
     *      <!-- Read the sandbox mode (in a client-side script). -->
     *      <script>
     *        alert(google.script.sandbox.mode);
     *      </script>
     */
    export enum SandboxMode { EMULATED, IFRAME, NATIVE }

  }
}

declare var HtmlService: GoogleAppsScript.HTML.HtmlService;