Add a function to get the public widget options for an iframe widget (#…

…2188)

## Summary:
IFrame does not have private options to remove, so all widget options are public. The IFrame get public widget options function is an identity function.

Issue: LEMS-2760

## Test plan:
- Confirm all checks pass
- Confirm widget acts as expected

Author: Myranae

Reviewers: benchristel, jeremywiebe, handeyeco

Required Reviewers:

Approved By: benchristel

Checks: ✅ Publish npm snapshot (ubuntu-latest, 20.x), ✅ Lint, Typecheck, Format, and Test (ubuntu-latest, 20.x), ✅ Cypress (ubuntu-latest, 20.x), ✅ Check builds for changes in size (ubuntu-latest, 20.x), ✅ Check for .changeset entries for all changed files (ubuntu-latest, 20.x), ✅ Publish Storybook to Chromatic (ubuntu-latest, 20.x)

Pull Request URL: #2188

.changeset/twenty-masks-flash.md

@@ -0,0 +1,6 @@
+---
+"@khanacademy/perseus": minor
+"@khanacademy/perseus-core": minor
+---
+
+Implement a widget export function to retrieve public widget options for the IFrame widget

packages/perseus-core/src/index.ts

@@ -133,3 +133,4 @@ export {default as getNumericInputPublicWidgetOptions} from "./widgets/numeric-i
 export {default as getNumberLinePublicWidgetOptions} from "./widgets/number-line/number-line-util";
 export {default as getRadioPublicWidgetOptions} from "./widgets/radio/radio-util";
 export {default as getTablePublicWidgetOptions} from "./widgets/table/table-util";
+export {default as getIFramePublicWidgetOptions} from "./widgets/iframe/iframe-util";

packages/perseus-core/src/widgets/iframe/iframe-util.ts

@@ -0,0 +1,7 @@
+import type {PerseusIFrameWidgetOptions} from "../../data-schema";
+
+export default function getIFramePublicWidgetOptions(
+    options: PerseusIFrameWidgetOptions,
+): PerseusIFrameWidgetOptions {
+    return options;
+}

packages/perseus/src/types.ts

@@ -23,6 +23,7 @@ import type {
     getNumberLinePublicWidgetOptions,
     getRadioPublicWidgetOptions,
     getTablePublicWidgetOptions,
+    getIFramePublicWidgetOptions,
 } from "@khanacademy/perseus-core";
 import type {LinterContextProps} from "@khanacademy/perseus-linter";
 import type {
@@ -518,6 +519,7 @@ export type WidgetTransform = (
  * A union type of all the functions that provide public widget options.
  */
 export type PublicWidgetOptionsFunction =
+    | typeof getIFramePublicWidgetOptions
     | typeof getRadioPublicWidgetOptions
     | typeof getNumericInputPublicWidgetOptions
     | typeof getDropdownPublicWidgetOptions

packages/perseus/src/widgets/iframe/iframe.tsx

@@ -7,6 +7,10 @@
  *  but could also be used for embedding viz's hosted elsewhere.
  */
 
+import {
+    type PerseusIFrameWidgetOptions,
+    getIFramePublicWidgetOptions,
+} from "@khanacademy/perseus-core";
 import $ from "jquery";
 import * as React from "react";
 import _ from "underscore";
@@ -18,7 +22,6 @@ import {getPromptJSON as _getPromptJSON} from "../../widget-ai-utils/iframe/ifra
 
 import type {WidgetExports, WidgetProps, Widget} from "../../types";
 import type {UnsupportedWidgetPromptJSON} from "../../widget-ai-utils/unsupported-widget";
-import type {PerseusIFrameWidgetOptions} from "@khanacademy/perseus-core";
 import type {
     PerseusIFrameUserInput,
     UserInputStatus,
@@ -169,4 +172,5 @@ export default {
     widget: Iframe,
     // Let's not expose it to all content creators yet
     hidden: true,
+    getPublicWidgetOptions: getIFramePublicWidgetOptions,
 } satisfies WidgetExports<typeof Iframe>;