Enhances 'spo page get' to get default page. Closes #6493

docs/docs/cmd/spo/page/page-get.mdx

@@ -15,8 +15,11 @@ m365 spo page get [options]
 ## Options
 
 ```md definition-list
-`-n, --name <name>`
-: Name of the page to retrieve.
+`-n, --name [name]`
+: Name of the page to retrieve. Specify either `name` or `default`, but not both. 
+
+`--default`
+: Get the homepage of a specific web. Specify either `name` or `default`, but not both.
 
 `-u, --webUrl <webUrl>`
 : URL of the site where the page to retrieve is located.
@@ -39,6 +42,12 @@ Get information about the modern page.
 m365 spo page get --webUrl https://contoso.sharepoint.com/sites/team-a --name home.aspx
 ```
 
+Get information about the home page.
+
+```sh
+m365 spo page get --webUrl https://contoso.sharepoint.com/sites/team-a --default
+```
+
 Get all the metadata from the modern page, without the section and control count information.
 
 ```sh

src/m365/spo/commands/page/page-get.spec.ts

@@ -1,5 +1,6 @@
 import assert from 'assert';
 import sinon from 'sinon';
+import { z } from 'zod';
 import auth from '../../../../Auth.js';
 import { cli } from '../../../../cli/cli.js';
 import { CommandInfo } from '../../../../cli/CommandInfo.js';
@@ -19,6 +20,7 @@ describe(commands.PAGE_GET, () => {
   let logger: Logger;
   let loggerLogSpy: sinon.SinonSpy;
   let commandInfo: CommandInfo;
+  let commandOptionsSchema: z.ZodTypeAny;
 
   before(() => {
     sinon.stub(auth, 'restoreAuth').resolves();
@@ -27,6 +29,7 @@ describe(commands.PAGE_GET, () => {
     sinon.stub(session, 'getId').returns('');
     auth.connection.active = true;
     commandInfo = cli.getCommandInfo(command);
+    commandOptionsSchema = commandInfo.command.getSchemaToParse()!;
   });
 
   beforeEach(() => {
@@ -149,6 +152,25 @@ describe(commands.PAGE_GET, () => {
     }));
   });
 
+  it('gets information about home page when default option is specified', async () => {
+    sinon.stub(request, 'get').callsFake(async (opts) => {
+      if (opts.url === `https://contoso.sharepoint.com/_api/Web/RootFolder?$select=WelcomePage`) {
+        return {
+          WelcomePage: '/SitePages/home.aspx'
+        };
+      }
+
+      if (opts.url === `https://contoso.sharepoint.com/_api/web/GetFileByServerRelativePath(DecodedUrl='/SitePages/home.aspx')?$expand=ListItemAllFields/ClientSideApplicationId,ListItemAllFields/PageLayoutType,ListItemAllFields/CommentsDisabled`) {
+        return pageListItemMock;
+      }
+
+      throw 'Invalid request';
+    });
+
+    await command.action(logger, { options: { webUrl: 'https://contoso.sharepoint.com', default: true, metadataOnly: true, output: 'json' } });
+    assert(loggerLogSpy.calledWith(pageListItemMock));
+  });
+
   it('check if section and control HTML parsing gets skipped for metadata only mode', async () => {
     sinon.stub(request, 'get').callsFake(async (opts) => {
       if ((opts.url as string).indexOf(`/_api/web/GetFileByServerRelativePath(DecodedUrl='/sites/team-a/SitePages/home.aspx')`) > -1) {
@@ -204,23 +226,17 @@ describe(commands.PAGE_GET, () => {
   });
 
   it('supports specifying metadataOnly flag', () => {
-    const options = command.options;
-    let containsOption = false;
-    options.forEach(o => {
-      if (o.option === '--metadataOnly') {
-        containsOption = true;
-      }
-    });
-    assert(containsOption);
+    const actual = commandOptionsSchema.safeParse({ webUrl: 'https://contoso.sharepoint.com', metadataOnly: true, default: true });
+    assert.strictEqual(actual.success, true);
   });
 
   it('fails validation if the webUrl option is not a valid SharePoint site URL', async () => {
-    const actual = await command.validate({ options: { webUrl: 'foo', name: 'home.aspx' } }, commandInfo);
-    assert.notStrictEqual(actual, true);
+    const actual = commandOptionsSchema.safeParse({ webUrl: 'foo' });
+    assert.strictEqual(actual.success, false);
   });
 
   it('passes validation when the webUrl is a valid SharePoint URL and name is specified', async () => {
-    const actual = await command.validate({ options: { webUrl: 'https://contoso.sharepoint.com', name: 'home.aspx' } }, commandInfo);
-    assert.strictEqual(actual, true);
+    const actual = commandOptionsSchema.safeParse({ webUrl: 'https://contoso.sharepoint.com', name: 'home.aspx' });
+    assert.strictEqual(actual.success, true);
   });
 });

src/m365/spo/commands/page/page-get.ts

@@ -1,22 +1,32 @@
+import { z } from 'zod';
+import { zod } from '../../../../utils/zod.js';
 import { Logger } from '../../../../cli/Logger.js';
-import GlobalOptions from '../../../../GlobalOptions.js';
-import request from '../../../../request.js';
+import { globalOptionsZod } from '../../../../Command.js';
+import request, { CliRequestOptions } from '../../../../request.js';
 import { formatting } from '../../../../utils/formatting.js';
 import { urlUtil } from '../../../../utils/urlUtil.js';
 import { validation } from '../../../../utils/validation.js';
 import SpoCommand from '../../../base/SpoCommand.js';
 import commands from '../../commands.js';
 
+const options = globalOptionsZod
+  .extend({
+    webUrl: zod.alias('u', z.string()
+      .refine(url => validation.isValidSharePointUrl(url) === true, url => ({
+        message: `'${url}' is not a valid SharePoint Online site URL.`
+      }))
+    ),
+    name: zod.alias('n', z.string()).optional(),
+    default: z.boolean().optional(),
+    metadataOnly: z.boolean().optional()
+  })
+  .strict();
+declare type Options = z.infer<typeof options>;
+
 interface CommandArgs {
   options: Options;
 }
 
-interface Options extends GlobalOptions {
-  name: string;
-  webUrl: string;
-  metadataOnly?: boolean;
-}
-
 class SpoPageGetCommand extends SpoCommand {
   public get name(): string {
     return commands.PAGE_GET;
@@ -30,45 +40,43 @@ class SpoPageGetCommand extends SpoCommand {
     return ['commentsDisabled', 'numSections', 'numControls', 'title', 'layoutType'];
   }
 
-  constructor() {
-    super();
-
-    this.#initOptions();
-    this.#initValidators();
+  public get schema(): z.ZodTypeAny {
+    return options;
   }
 
-  #initOptions(): void {
-    this.options.unshift(
-      {
-        option: '-n, --name <name>'
-      },
-      {
-        option: '-u, --webUrl <webUrl>'
-      },
-      {
-        option: '--metadataOnly'
-      }
-    );
-  }
-
-  #initValidators(): void {
-    this.validators.push(
-      async (args: CommandArgs) => validation.isValidSharePointUrl(args.options.webUrl)
-    );
+  public getRefinedSchema(schema: typeof options): z.ZodEffects<any> | undefined {
+    return schema
+      .refine(options => [options.name, options.default].filter(x => x !== undefined).length === 1, {
+        message: `Specify either name or default, but not both.`
+      });
   }
 
   public async commandAction(logger: Logger, args: CommandArgs): Promise<void> {
     if (this.verbose) {
       await logger.logToStderr(`Retrieving information about the page...`);
     }
 
-    let pageName: string = args.options.name;
-    if (args.options.name.indexOf('.aspx') < 0) {
-      pageName += '.aspx';
-    }
-
+    let pageName: string = '';
     try {
-      let requestOptions: any = {
+      if (args.options.name) {
+        pageName = args.options.name.endsWith('.aspx')
+          ? args.options.name
+          : `${args.options.name}.aspx`;
+      }
+      else if (args.options.default) {
+        const requestOptions: CliRequestOptions = {
+          url: `${args.options.webUrl}/_api/Web/RootFolder?$select=WelcomePage`,
+          headers: {
+            accept: 'application/json;odata=nometadata'
+          },
+          responseType: 'json'
+        };
+
+        const { WelcomePage } = await request.get<{ WelcomePage: string }>(requestOptions);
+        pageName = WelcomePage.split('/').pop()!;
+      }
+
+      let requestOptions: CliRequestOptions = {
         url: `${args.options.webUrl}/_api/web/GetFileByServerRelativePath(DecodedUrl='${urlUtil.getServerRelativeSiteUrl(args.options.webUrl)}/SitePages/${formatting.encodeQueryParameter(pageName)}')?$expand=ListItemAllFields/ClientSideApplicationId,ListItemAllFields/PageLayoutType,ListItemAllFields/CommentsDisabled`,
         headers: {
           'content-type': 'application/json;charset=utf-8',
@@ -80,7 +88,7 @@ class SpoPageGetCommand extends SpoCommand {
       const page = await request.get<any>(requestOptions);
 
       if (page.ListItemAllFields.ClientSideApplicationId !== 'b6917cb1-93a0-4b97-a84d-7cf49975d4ec') {
-        throw `Page ${args.options.name} is not a modern page.`;
+        throw `Page ${pageName} is not a modern page.`;
       }
 
       let pageItemData: any = {};