Invalid sidebar prop passed to the <StarlightPage/> component. | Astro Lounge | Page 1

boreal pilot Aug 21, 2024, 10:37 AM

#

0: Did not match union.

Expected type { link: string; } | { items: array; } | { autogenerate: object; } | { slug: string } | string
Received { "type": "link", "label": "Admin test", "href": "/admin/testowy", "isCurrent": false, "attrs": {} }
My partial index.astro:

const dynamicSidebar = generateSidebar(userRole);

<StarlightPage
frontmatter={frontmatter}
hasSidebar={true}
sidebar={dynamicSidebar}

my utils/sidebarUtils.ts

export function generateSidebar(userRole: string, currentPathname: string) {
const allSidebarItems = [
{
link: '/admin/testowy', // Bezpośredni link
label: 'Admin test',
},
];

const sidebar = allSidebarItems.map(item => ({
link: item.link,
label: item.label,
}));
return sidebar.map(item => ({
type: 'link',
label: item.label,
href: item.link,
isCurrent: false, // Możesz tu dostosować logikę, by sprawdzić, czy jest to obecny link
badge: undefined,
attrs: {}
}));
}

My components/DynamicSidebar.astro

import type { Props } from '<@&1055234544183287879>/starlight/props';
import Default from '@astrojs/starlight/components/Sidebar.astro';
import { generateSidebar } from '../utils/sidebarUtils';

const { props } = Astro;
const userRole = Astro.locals.user?.role || Astro.cookies.get('userRole')?.value || 'klient';
const currentPathname = Astro.url.pathname;

console.log('DynamicSidebar: userRole:', userRole);

const dynamicSidebar = generateSidebar(userRole) || [];

neat cloudBOT Aug 21, 2024, 10:37 AM

#

Hi @boreal pilot. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:

#

The error message you're seeing is due to the fact that the object you're passing to the sidebar prop of the <StarlightPage/> component does not match the expected structure. According to the Astro documentation (https://starlight.astro.build/reference/configuration/#sidebar), a sidebar item should be an object with a label and one of the following properties: link, slug, items, or autogenerate.

In your generateSidebar function, you're creating sidebar items with properties type, label, href, isCurrent, badge, and attrs. However, the type, href, isCurrent, badge, and attrs properties are not recognized by the <StarlightPage/> component.

Here's how you can modify your generateSidebar function to create sidebar items that match the expected structure:

export function generateSidebar(userRole: string, currentPathname: string) {
  const allSidebarItems = [
    {
      link: '/admin/testowy',  // Direct link
      label: 'Admin test',
    },
  ];
  
  const sidebar = allSidebarItems.map(item => ({
    link: item.link,
    label: item.label,
  }));
  return sidebar;
}

In this modified version of the function, each sidebar item is an object with a `link` and a `label`, which is the expected structure according to the Astro documentation.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@boreal pilot kapa.ai is still learning and improving, please let us know how it did by reacting below

boreal pilot Aug 21, 2024, 10:39 AM

#

@neat cloud now I have

An error occurred.
Cannot read properties of undefined (reading 'flatMap')
utils/navigation.ts:381:17

neat cloudBOT Aug 21, 2024, 10:39 AM

#

Let me check the knowledge base for you. One moment! :books:

#

The error message "Cannot read properties of undefined (reading 'flatMap')" typically occurs when you're trying to call the flatMap method on a variable that is undefined.

In your case, the error is occurring in the utils/navigation.ts file on line 381. Without seeing the code in that file, it's hard to provide a specific solution. However, the issue is likely that the variable you're calling flatMap on is undefined at the time the code is executed.

You should check the variable just before the flatMap call to ensure it's defined and is an array. If the variable could be undefined, you should add a check before calling flatMap:

if (array !== undefined) {
  const result = array.flatMap(...);
  // rest of your code
}

This will prevent the error from occurring when the array is undefined.

Also, remember that in Astro v3.0, the automatic flattening of `getStaticPaths()`’s result has been removed. If you’re returning an array of arrays instead of an array of objects (as is expected), `.flatMap` and `.flat` should now be used to ensure that you are returning a flat array. You can read more about this in the Astro documentation (https://docs.astro.build/en/guides/upgrade-to/v3/#removed-automatic-flattening-of-getstaticpathss-return-value).

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@boreal pilot kapa.ai is still learning and improving, please let us know how it did by reacting below

boreal pilot Aug 21, 2024, 10:41 AM

#

@neat cloud I don't have any utils/navigation.ts
it probably is astro starlight file

Here's cutted segment
export function flattenSidebar(sidebar: SidebarEntry[]): Link[] {
return sidebar.flatMap((entry) =>
entry.type === 'group' ? flattenSidebar(entry.entries) : entry
);
}

neat cloudBOT Aug 21, 2024, 10:41 AM

#

Let me check the knowledge base for you. One moment! :books:

#

The error you're encountering is coming from the flattenSidebar function in the Astro Starlight library. This function is trying to call flatMap on entry.entries, but it seems entry.entries is undefined for at least one of your sidebar entries.

The flattenSidebar function expects a sidebar array where each entry is an object with a type property. If the type is 'group', the entry should also have an entries property which is an array of more sidebar entries.

The error suggests that you have a sidebar entry with type set to 'group', but without an entries array. You should check your sidebar configuration to ensure that all group entries have an entries array.

Here's an example of a valid sidebar configuration with groups:

const sidebar = [
  {
    label: 'Group 1',
    items: [
      { label: 'Link 1', link: '/link1' },
      { label: 'Link 2', link: '/link2' },
    ],
  },
  {
    label: 'Group 2',
    items: [
      { label: 'Link 3', link: '/link3' },
      { label: 'Link 4', link: '/link4' },
    ],
  },
];

In this example, each group has a `label` and an `items` array. The `items` array contains the links for that group. This matches the structure expected by the `flattenSidebar` function.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@boreal pilot kapa.ai is still learning and improving, please let us know how it did by reacting below

boreal pilot Aug 21, 2024, 10:43 AM

#

@neat cloud so help me with my sidebarUtils.ts to match this

this is current state
export function generateSidebar(userRole: string, currentPathname: string) {
const allSidebarItems = [
{
link: '/admin/testowy', // Direct link
label: 'Admin test',
},
];
console.log('utils/sidebarUtils.ts userRole:', userRole);
const sidebar = allSidebarItems.map(item => ({
link: item.link,
label: item.label,
}));
return sidebar;
}

neat cloudBOT Aug 21, 2024, 10:43 AM

#

Let me check the knowledge base for you. One moment! :books:

#

Your current generateSidebar function is correctly generating an array of sidebar items where each item is an object with a link and a label. This matches the structure expected by Astro's SidebarItem type.

Here's your current function:

export function generateSidebar(userRole: string, currentPathname: string) {
  const allSidebarItems = [
    {
      link: '/admin/testowy',  // Direct link
      label: 'Admin test',
    },
  ];
  
  const sidebar = allSidebarItems.map(item => ({
    link: item.link,
    label: item.label,
  }));
  
  return sidebar;
}

If you want to add groups to your sidebar, you can modify the allSidebarItems array to include objects with a label and an items array. The items array should contain the links for that group.

Here's an example:

export function generateSidebar(userRole: string, currentPathname: string) {
  const allSidebarItems = [
    {
      label: 'Admin Group',
      items: [
        { link: '/admin/testowy', label: 'Admin test' },
        // Add more links here...
      ],
    },
    // Add more groups or individual links here...
  ];
  
  return allSidebarItems;
}

In this example, the `generateSidebar` function returns an array where each item is either a link or a group of links. This matches the structure expected by Astro's `SidebarItem` type.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@boreal pilot kapa.ai is still learning and improving, please let us know how it did by reacting below

boreal pilot Aug 21, 2024, 10:44 AM

#

@neat cloud
Unfortunetly this still produces an error

TypeError
An error occurred.
Cannot read properties of undefined (reading 'flatMap')

export function flattenSidebar(sidebar: SidebarEntry[]): Link[] {
return sidebar.flatMap((entry) =>
entry.type === 'group' ? flattenSidebar(entry.entries) : entry
);
}

neat cloudBOT Aug 21, 2024, 10:44 AM

#

Let me check the knowledge base for you. One moment! :books:

#

The error message "Cannot read properties of undefined (reading 'flatMap')" typically occurs when you're trying to call the flatMap method on a variable that is undefined.

In your case, the error is occurring in the flattenSidebar function in the Astro Starlight library. This function is trying to call flatMap on entry.entries, but it seems entry.entries is undefined for at least one of your sidebar entries.

The flattenSidebar function expects a sidebar array where each entry is an object with a type property. If the type is 'group', the entry should also have an entries property which is an array of more sidebar entries.

The error suggests that you have a sidebar entry with type set to 'group', but without an entries array. You should check your sidebar configuration to ensure that all group entries have an entries array.

Here's an example of a valid sidebar configuration with groups:

const sidebar = [
  {{
    label: 'Group 1',
    items: [
      {{ label: 'Link 1', link: '/link1' }},
      {{ label: 'Link 2', link: '/link2' }},
    ],
  }},
  {{
    label: 'Group 2',
    items: [
      {{ label: 'Link 3', link: '/link3' }},
      {{ label: 'Link 4', link: '/link4' }},
    ],
  }},
];

In this example, each group has a `label` and an `items` array. The `items` array contains the links for that group. This matches the structure expected by the `flattenSidebar` function.

#Invalid sidebar prop passed to the <StarlightPage/> component.

const dynamicSidebar = generateSidebar(userRole);

const dynamicSidebar = generateSidebar(userRole) || [];

In this modified version of the function, each sidebar item is an object with a link and a label, which is the expected structure according to the Astro documentation.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

In this example, each group has a label and an items array. The items array contains the links for that group. This matches the structure expected by the flattenSidebar function.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

In this example, the generateSidebar function returns an array where each item is either a link or a group of links. This matches the structure expected by Astro's SidebarItem type.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

In this example, each group has a label and an items array. The items array contains the links for that group. This matches the structure expected by the flattenSidebar function.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

In this modified version of the function, each sidebar item is an object with a `link` and a `label`, which is the expected structure according to the Astro documentation.

In this example, each group has a `label` and an `items` array. The `items` array contains the links for that group. This matches the structure expected by the `flattenSidebar` function.

In this example, the `generateSidebar` function returns an array where each item is either a link or a group of links. This matches the structure expected by Astro's `SidebarItem` type.

In this example, each group has a `label` and an `items` array. The `items` array contains the links for that group. This matches the structure expected by the `flattenSidebar` function.